HYDROLOGICAL YEARBOOK WATER YEAR...

89
HYDROLOGICAL YEARBOOK WATER YEAR 2007 Water Resources Management Department Survey Division Electricity Generating Authority of Thailand

Transcript of HYDROLOGICAL YEARBOOK WATER YEAR...

Page 1: HYDROLOGICAL YEARBOOK WATER YEAR 2007water.egat.co.th/yearBook/yearbook_report/YEARBOOK2007...YEARBOOK WATER YEAR 2007 Water Resources Management Department Survey Division Electricity

HYDROLOGICAL

YEARBOOK

WATER YEAR 2007

Water Resources Management Department

Survey Division

Electricity Generating Authority of Thailand

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PREFACE

The 2007 Hydrological Yearbook is the Nineteenth issue published by the Electricity

Generating Authority of Thailand (EGAT). It has the general purpose to present the compilation

of meteorological and hydrological data for the water year.

Normally, the activities of data collection by the Water Resource Information Section, Water

Resources Management Department, Survey Division cover the following items:

- the hydrological data i.e. water level, discharge, and suspended sediment discharge.

- the meteorological data i.e. rainfall, evaporation and humidity.

The number of observation stations presented in this report can be summarized as follows:

1. Gage height and flow measuring stations 5

2. Suspended sediment measuring stations 5

3. Rainfall measuring stations 20

4. Evaporation measuring stations 16

5. Humidity measuring stations 13

The general feature of the report consists of the basic description of river gaging stations,

the figures of the discharge hydrograph and the rating curve used for water year 2007. Tables of

daily gage height, daily discharge, daily suspended sediment discharge, daily rainfall amount,

daily evaporation and daily relative humidity data are also presented.

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CONTENTS

PAGE

CONTENTS I

LIST OF HYDROLOGICAL STATIONS IV

LOCATION MAP OF HYDROLOGICAL STATIONS V

LIST OF METEOROLOGICAL STATIONS VI

LOCATION MAP OF METEOROLOGICAL STATIONS VII

STREAM GAGING DATA 1

1. Huai Lam Cha Nang at Ban Nong Sanoon (021201) 2

2. Mae Nam Ping at Ban Kong Hin (061101) 6

3. Mae Nam Khek at Ban Pong Bon (091601) 10

4. Mae Nam Khwae Noi at Ban Phu Toei (141101) 14

5. Mae Nam Pattani at Ban K.M.29 (240202) 18

SUSPENDED SEDIMENT DATA 23

1. Huai Lam Cha Nang at Ban Nong Sanoon (021201) 24

2. Mae Nam Ping at Ban Kong Hin (061101) 25

3. Mae Nam Khek at Ban Pong Bon (091601) 26

4. Mae Nam Khwae Noi at Ban Phu Toei (141101) 27

5. Mae Nam Pattani at Ban K.M.29 (240202) 28

RAINFALL DATA 30

1. Chulabhorn Dam, A. Khon San, Chaiyaphum (905284) 31

2. Huai Kum Dam, A. Kaset Sombun, Chaiyaphum (905354) 32

3. Ban Kong Hin, A. Hot, Chiang Mai (907695) 33

4. Srinagarind Dam, A. Sri Sawat, Kanchanaburi (913304) 34

5. Ban Phu Toei, A. Sai Yok, Kanchanaburi (913314) 35

6. Vajiralongkorn Dam, A. Thong Pha Phum, Kanchanaburi (913464) 36

7. Ubolratana Dam, A. Ubolratana, Khon Kaen (914424) 37

8. Mae Chang Dam, A. Mae Moh, Lampang (916285) 38

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PAGE

9. Ban Nong Sanoon, A. Dan Sai, Loei (918195) 39

10. Ban Pong Bon, A. Wang Thong, Phitsanulok (939175) 40

11. Nam Pung Dam, A. Phu Phan, Sakon Nakhon (950304) 41

12. Rajjaprabha Dam (Chiew Larn) , A. Ban Ta Khun, Surat Thani (961315) 42

13. Thung Kai Han, A. Ban Ta Khun, Surat Thani (961385) 43

14. Rajjaprabha Dam (Ban Rim Ang), A. Ban Ta Khun, Surat Thani (961405) 44

15. Khlong Saeng (EGAT), A. Ban Ta Khun, Surat Thani (961995) 45

16. Bhumibol Dam, A. Sam Ngao, Tak (963073) 46

17. Sirindhorn Dam, A. Sirindhorn, Ubol Ratchathani (967374) 47

18. Sirikit Dam, A. Tha Pla, Uttaradit (970095) 48

19. Bang Lang Dam, A. Bannang Sata, Yala (971135) 49

20. Ban K.M.29, A. Betong, Yala (971175) 50

EVAPORATION DATA 52

1. Chulabhorn Dam, A. Khon San, Chaiyaphum (905284) 53

2. Ban Kong Hin, A. Hot, Chiang Mai (907695) 54

3. Srinagarind Dam, A. Sri Sawat, Kanchanaburi (913304) 55

4. Ban Phu Toei, A. Sai Yok, Kanchanaburi (913314) 56

5. Vajiralongkorn Dam, A. Thong Pha Phum, Kanchanaburi (913464) 57

6. Ubolratana Dam, A. Ubolratana, Khon Kaen (914424) 58

7. Mae Chang Dam, A. Mae Moh, Lampang (916285) 59

8. Ban Mae Ngao, A. Sop Moei, Mae Hong Son (920095) 60

9. Ban Pong Bon, A. Wang Thong, Phitsanulok (939175) 61

10. Nam Pung Dam, A. Phu Phan, Sakon Nakhon (950304) 62

11. Rajjaprabha Dam (Chiew Larn) , A. Ban Ta Khun, Surat Thani (961315) 63

12. Bhumibol Dam, A. Sam Ngao, Tak (963073) 64

13. Sirindhorn Dam, A. Sirindhorn, Ubol Ratchathani (967374) 65

14. Sirikit Dam, A. Tha Pla, Uttaradit (970095) 66

15. Bang Lang Dam, A. Bannang Sata, Yala (971135) 67

16. Ban K.M.29, A. Betong, Yala (971175) 68

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HUMIDITY DATA 70

1. Chulabhorn Dam, A. Khon San, Chaiyaphum (905284) 71

2. Ban Kong Hin, A. Hot, Chiang Mai (907695) 72

3. Srinagarind Dam, A. Sri Sawat, Kanchanaburi (913304) 73

4. Ban Phu Toei, A. Sai Yok, Kanchanaburi (913314) 74

5. Vajiralongkorn Dam, A. Thong Pha Phum, Kanchanaburi (913464) 75

6. Ubolratana Dam, A. Ubolratana, Khon Kaen (914424) 76

7. Ban Nong Sanoon, A. Dan Sai, Loei (918195) 77

8. Ban Pong Bon, A. Wang Thong, Phitsanulok (939175) 78

9. Rajjaprabha Dam (Chiew Larn) , A. Ban Ta Khun, Surat Thani (961315) 79

10 Sirindhorn Dam, A. Sirindhorn, Ubol Ratchathani (967374) 80

11 Sirikit Dam. A. Tha Pla, Uttaradit (970095) 81

12 Bang Lang Dam, A. Bannang Sata, Yala (971135) 82

13 Ban K.M.29, A. Betong, Yala (971175) 83

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Drainage Area(sq.km.)

1 Mae Nam Salween Ban Mae Sam Laeb 010101 17o-58'-48" N 97

o-44'-24" E 295,000.0 2003-2005

2 Nam Mae Rit Ban Mae Suat 011201 17o-53'-30" N 97

o-57'-48" E 1,376.0 1983-1995

3 Nam Mae Ngao Ban Mae Ngao 011301 17o-51'-18" N 97

o-58'-12" E 935.0 1984-2005

4 Huai Mae Lamao Ban Kok Ko 011701 16o-54'-56" N 98

o-38'-00" E 1,435.0 1991-1995

5 Nam Man Kaeng Samphan 021101 17o-11'-48" N 101

o-07'-42" E 252.0 1983-1994

6 Huai Lam Cha Nang Ban Nong Sanoon 021201 17o-20'-25" N 101

o-16'-12" E 112.0 1983-2007

7 Lam Saphung Huai Phu Kai 040301 16o-15'-06" N 101

o-41'-00" E 574.0 1969-1973

8 Lam Saphung Ban Saphung Nua 040302 16o-11'-33" N 101

o-42'-33" E 715.0 1978-1981

9 Nam Phrom Ban Lao 041501 16o-20'-24" N 101

o-50'-36" E 883.0 1967-1972

10 Nam Phrom Ban Phrom Song 041503 16o-34'-06" N 101

o-40'-00" E 320.0 1972-1974

11 Nam Phrom Ban Pak Huai Kum 041504 16o-25'-07" N 101

o-47'-07" E 819.0 1977-1979

12 Lam Nam Choen Ban Na Pho Song 041601 16o-44'-18" N 101

o-39'-00" E 158.0 1970-1975, 1980-1995

13 Mae Nam Mun Ban Tha Kok Hae 052201 15o-12'-20" N 104

o-49'-25" E 106,000.0 1994-2002

14 Mae Nam Mun Ban Sawang 053001 15o-18'-18" N 105

o-06'-38" E 1992-2001

15 Mae Nam Mun Wat Ratsattha 053002 15o-15'-55" N 105

o-18'-50" E 1993-2001

16 Mae Nam Mun Wat Pak Dom 053003 15o-18'-20" N 105

o-10'-25" E 1992-2001

17 Mae Nam Mun Kaeng Saphue Upstream 053004 15o-14'-45" N 105

o-14'-42" E 1989-2001

18 Mae Nam Mun Kaeng Saphue Downstream 053005 15o-14'-29" N 105

o-14'-57" E 1989-2001

19 Lam Dom Yai Ban Na Yia 052901 15o-04'-03" N 105

o-04'-30" E 1994-2001

20 Nam Mae Taeng Ban Sop Kai 060401 19o-13'-48" N 98

o-48'-48" E 1,636.0 1972-1994

21 Huai Mae Taman Ban Mae Ta Man 060402 19o-12'-09" N 98

o-53'-11" E 43.0 1985-1995

22 Nam Mae Taeng Ban Mae Ta Man 060403 19o-11'-48" N 98

o-53'-12" E 1,692.0 1986-1995

23 Mae Nam Ping Ban Kong Hin 061101 18o-10'-30" N 98

o-36'-00" E 18,932.0 1970-1974, 1979-2007

24 Nam Mae Chaem Obb Luang 061301 18o-13'-30" N 98

o-28'-00" E 3,735.0 1968-1987

25 Nam Mae Chaem Ban Mae Ka 061302 18o-17'-21" N 98

o-19'-12" E 3,286.0 1970-1979

26 Huai Luang Mae Moh Project 070602 18o-18'-30" N 99

o-43'-24" E 65.4 1971-1975

27 Nam Mae Moh Ban Tha Si 070603 18o-25'-40" N 99

o-45'-30" E 78.0 1977-1979

28 Nam Mae Moh Tha Si Weir 070604 18o-24'-42" N 99

o-45'-01" E 95.7 1686-1990

29 Mae Nam Yom Ban Na Prang 080201 19o-10'-12" N 100

o-17'-24" E 557.0 1984-1986

30 Mae Nam Yom Kaeng Sue Ten 080202 18o-39'-00" N 100

o-10'-01" E 3,583.0 1980-1991

31 Mae Nam Khek Ban Pong Bon 091601 16o-51'-04" N 100

o-36'-58" E 1,506.0 1987-2007

32 Mae Nam Khek Huai Ngaet 091602 16o-48'-06" N 100

o-54'-02" E 856.0 1983-1994

33 Mae Nam Pasak Ban Um Ka Thad 120201 17o-03'-18" N 101

o-22'-20" E 333.0 1986-1995

34 Mae Nam Khwae Yai Ban Hard Pana 140401 14o-57'-54" N 99

o-05'-06" E 5,644.0 1969-1978

35 Mae Nam Khwae Yai Nam Chon 140403 15o-12'-30" N 98

o-54'-12" E 4,960.0 1979-1992

36 Mae Nam Khwae Yai Khao Thi Khong 140405 15o-07'-00" N 98

o-57'-53" E 4,960.0 1993-1998

37 Mae Nam Khwae Yai Ban Chao Nen 140701 14o-24'-24" N 99

o-07'-42" E 10,500.0 1967-1973

38 Mae Nam Khwae Yai Ban Nong Bua 140702 14o-03'-24" N 99

o-27'-48" E 14,037.0 1969-1977

39 Mae Nam Khwae Yai Ban Wang Chan 140703 14o-08'-48" N 99

o-18'-36" E 11,353.0 1969-1974

40 Mae Nam Khwae Yai Khao Slob 140704 14o-24'-24" N 99

o-07'-42" E 10,600.0 1974-1976

41 Mae Nam Khwae Noi Thong Pha Phum 140902 14o-43'-50" N 98

o-38'-32" E 4,047.0 1979-1980, 1983-1985

42 Mae Nam Khwae Noi Ban Phu Toei 141101 14o-18'-12" N 98

o-59'-00" E 6,512.0 1969-2007

43 Khlong Lang Suan Khao Chum Saeng 210301 9o-54'-36" N 98

o-56'-30" E 1,240.0 1987-1988

44 Khlong Ban Klang Ban Klang Krachai 210502 9o-11'-30" N 99

o-48'-50" E 61.0 1987-1994

45 Khlong Tha Tok Ban Tha Chod 210503 9o-11'-42" N 99

o-48'-12" E 11.0 1987-1994

46 Khlong Klai Tha Sala 210601 8o-43'-54" N 99

o-42'-00" E 420.0 1970-1974

47 Khlong Thepha Ban Ba Hoy 210901 6o-25'-40" N 100

o-55'-41" E 315.0 1990-1994

48 Khlong Thepha Ban Tha Yi 210902 6o-43'-55" N 100

o-57'-32" E 1,637.5 1991-1994

49 Khlong Sani Ban Khok Sireng 210904 6o-35'-56" N 100

o-55'-34" E 260.0 1989-1995

50 Mae Nam Saiburi Sri Sa Khon 211101 6o-13'-36" N 101

o-29'-48" E 1,190.0 1987-1991

51 Khlong Sin Pun Ban Sin Pun 220401 8o-18'-49" N 99

o-19'-18" E 556.0 1987-1992

52 Khlong Sok Wat Lert 220701 8o-50'-34" N 98

o-50'-29" E 1,097.0 1988-1990

53 Khlong Phra Saeng Chiew Larn 220801 8o-58'-09" N 98

o-49'-12" E 1,400.0 1982-1985

54 Khlong Yan Kaeng Krung 220901 9o-18'-42" N 98

o-51'-42" E 661.0 1984-1994

55 Khlong Yan Ban Na Mai 220903 9o-30'-08" N 99

o-01'-17" E 1,192.0 1988-1990

56 Mae Nam Pattani Ban Bang Lang 240201 6o-09'-52" N 101

o-16'-19" E 2,080.0 1975-1980

57 Mae Nam Pattani Ban K.M.29 240202 5o-54'-49" N 101

o-11'-02" E 683.0 1986-2007

58 Mae Nam Kra Buri Ban Kok Chang 250101 10o-36'-14" N 98

o-47'-28" E 756.0 1991-1995

Station Name LongitudeLocation

LIST OF HYDROLOGICAL STATIONS

LatitudeNo. Station Code PeriodRiver Name

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LOCATION MAP OF HYDROLOGICAL STATIONS

HYDROLOGICAL STATIONS

HYDROLOGICAL STATIONS HAVE BEEN

OPERATED UNTIL YEAR 2007

LEGEND :

21 22

34

40 37

20 29

30

26

27

28 1

25

24 23 2

3

4 31

6

33 5

32

7 8

9 10

11

12

17

16

15 14

18

19

13 35

36

41

39 38

58

43

55 54

53 52

45

44

51

48

46

47

49

50

56

42

57

20°

19°

14°

16°

18°

17°

12°

15°

13°

11°

10°

20°

19°

14°

16°

18°

17°

12°

15°

13°

11°

10°

98° 99° 100° 101° 102° 103° 104° 105°

98° 99° 100° 101° 102° 103° 104° 105°

CHIANG RAI

CHIANG MAI

MAE HONG SON

PHAYAO

NAN

LAMPANG

PHRAE

TAK

SUKHOTHAI

UTTARADIT

PHITSANULOK

LAMPHUN

KAMPAENG PHET

PICHIT PHETCHABUN

NAKHON SAWAN

UTHAI THANI

KANCHANABURI

CHAINAT

SINGBURI SUPHANBURI

ANG THONG

LOPBURI

LOEI

NONG KHAI

SAKON NAKHON

UDON THANI NAKHON PHANOM

MUKDAHAN

KHON KAEN

CHAIYAPHUM

KALASIN

MAHA SARAKHAM

ROI ET

YASOTHON

AMNAT CHAROEN

UBON RATCHATHANI

NAKHON RATCHASIMA

BURIRAM SURIN SI SAKET

AYUDHYA

SARABURI

NAKHON NAYOK

PRACHINBURI SA KAEO

CHACHOENGSAO

NAKHON PHATOM

PATHUM THANI

NONTHABURI

BANGKOK

SAMUT SAKHON

SAMUT PRAKARN

SAMUT SONGKHAM CHONBURI

RAYONG

CHANTABURI

TRAD

RATCHABURI

PETCHABURI

PRACHAUP KHILIKHAN

CHUMPHON

RANONG

SURAT THANI PANGNGA

KRABI NAKHON SI THAMMARAT

TRANG PHATHALUNG

SATUN

SONGKHLA

PATTANI

YALA

NARATHIWAT

NONG BUA LAMPHU

PHUKET

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1 Chulabhorn Dam , A. Khon San , Chaiyaphum 905284 16o-32'-00" N 101

o-39'-09" E 1969-2007

2 Ban Lao , A. Kaset Sombun , Chaiyaphum 905305 16o-20'-24" N 101

o-50'-36" E 1969-1975

3 Ban Pak Huai Kum , A. Kaset Sombun , Chaiyaphum 905314 16o-25'-07" N 101

o-47'-07" E 1977-1980

4 Huai Phu Kai , A. Nong Bua Daeng , Chaiyaphum 905324 16o-15'-06" N 101

o-41'-00" E 1969-1975

5 Ban Saphung Nua , A. Nong Bua Daeng , Chaiyaphum 905334 16o-11'-33" N 101

o-42'-33" E 1977-1986

6 Ban Phrom Song , A. Khon San , Chaiyaphum 905344 16o-34'-06" N 101

o-40'-00" E 1972-1975

7 Huai Kum Dam , A. Kaset Sombun , Chaiyaphum 905354 16o-24'-47" N 101

o-47'-50" E 1980-2007

8 Muang Khong , A. Chiang Dao , Chiang Mai 907605 19o-23'-00" N 98

o-43'-06" E 1972-1994

9 Ban Sop Kai (Kud Project) , A. Mae Taeng , Chiang Mai 907614 19o-13'-48" N 98

o-48'-48" E 1972-1994

10 Ban Mae Ka , A. Mae Chaem , Chiang Mai 907625 18o-17'-21" N 98

o-19'-12" E 1971-1979

11 A. Mae Chaem , Chiang Mai 907634 18o-29'-52" N 98

o-21'-47" E 1970-1981

12 Ban Obb Luang , A. Mae Chaem , Chiang Mai 907645 18o-13'-30" N 98

o-28'-00" E 1971-1991

13 Mae Ngat Dam , A. Mae Taeng , Chiang Mai 907665 19o-09'-45" N 99

o-02'-35" E 1983-1987

14 Ban Kong Hin , A. Hot , Chiang Mai 907695 18o-10'-30" N 98

o-36'-00" E 1985-2007

15 Ban Pong Nam Ron , A. Mae Chan , Chiang Rai 908034 20o-08'-42" N 99

o-48'-42" E 1978-1985

16 Ao Phai , A. Si Racha , Chon Buri 909125 13o-08'-06" N 100

o-54'-06" E 1977-1984

17 Ban Khlong Nam Sai (Ratchakut) , A. Phato , Chumphon 910124 9o-44'-36" N 98

o-36'-24" E 1976-1990

18 Pak Song , A. Phato , Chumphon 910135 9o-45'-27" N 98

o-38'-54" E 1976-1983

19 Ban Phato , A. Phato , Chumphon 910145 9o-46'-44" N 98

o-41'-17" E 1976-1988

20 Khao Chum Saeng , A. Lang Suan , Chumphon 910155 9o-54'-36" N 98

o-56'-30" E 1976-1990

21 Hard Pana , A. Si Sawat , Kanchanaburi 913294 14o-57'-54" N 99

o-05'-06" E 1970-1979

22 Srinagarind Dam , A. Si Sawat , Kanchanaburi 913304 14o-24'-24" N 99

o-07'-42" E 1970-2007

23 Ban Phu Toei , A. Sai Yok , Kanchanaburi 913314 14o-18'-12" N 98

o-59'-00" E 1970-2007

24 Nam Chon Damsite , A. Thong Pha Phum , Kanchanaburi 913444 15o-12'-30" N 98

o-54'-12" E 1978-1992

25 Nam Chon Office , A. Thong Pha Phum , Kanchanaburi 913454 15o-09'-55" N 98

o-55'-24" E 1979-1983

26 Vajiralongkorn Dam , A. Thong Pha Phum , Kanchanaburi 913464 14o-47'-51" N 98

o-36'-05" E 1982-2007

27 Khao Thi Khong , A. Thong Pha Phum , Kanchanaburi 913535 15o-07'-00" N 98

o-57'-53" E 1992-1998

28 Vajiralongkorn Dam Crest , A. Thong Pha Phum , Kanchanaburi 913555 14o-47'-00" N 98

o-37'-50" E 1992-1993

29 Ubolratana Dam , A. Ubolratana , Khon Kaen 914424 16o-46'-13" N 102

o-37'-15" E 1966-2007

30 EGAT Lignite , Krabi 915104 7o-59'-29" N 99

o-02'-42" E 1979-1988

31 EGAT Lignite Office , Krabi 915115 7o-59'-39" N 99

o-03'-06" E 1983-1985

32 Krabi Power Plant (Krabi Meteorological Observation) , Krabi 915125 7o-59'-13" N 99

o-02'-58" E 1985-1988

33 Huai Luang Reservoir , A. Muang , Lampang 916235 18o-18'-30" N 99

o-43'-24" E 1969-1981

34 EGAT Lignite Office , A. Mae Moh , Lampang 916255 18o-16'-44" N 99

o-43'-13" E 1973-1993

35 Ban Tha Si , A. Mae Moh , Lampang 916265 18o-25'-40" N 99

o-45'-30" E 1977-1982

36 Ban Dong , A. Mae Moh , Lampang 916274 18o-15'-54" N 99

o-43'-11" E 1973-1975

37 Mae Chang Dam , A. Mae Moh , Lampang 916285 18o-18'-12" N 99

o-48'-20" E 1979-2007

38 Ban Nong Sanoon , A. Dan Sai , Loei 918195 17o-20'-25" N 101

o-16'-12" E 1982-2007

39 Kaeng Samphan , A. Dan Sai , Loei 918205 17o-11'-48" N 101

o-07'-42" E 1982-1994

40 Ban Mae Suat , A. Mae Sariang , Mae Hong Son 920074 17o-53'-30" N 97

o-57'-48" E 1983-1995

41 Ban Mae Ngao , A. Sop Moei , Mae Hong Son 920095 17o-51'-18" N 97

o-58'-12" E 1984-2005

42 Ban Wang Khan , A. Mae La Noi , Mae Hong Son 920105 18o-23'-18" N 97

o-58'-11" E 1984-1986

43 Ban Kong Koi , A. Mae Sariang , Mae Hong Son 920145 18o-05'-14" N 98

o-12'-14" E 1992-1994

44 Pak Nam Khanom , A. Khanom , Nakhon Si Thammarat 927294 9o-14'-09" N 99

o-51'-54" E 1979-1995

45 Wat Khong Kha Liap (Ban Sin Pun) , A. Thung Yai , Nakhon Si Thammarat 927425 8o-18'-49" N 99

o-19'-18" E 1985-1995

46 Ban Napho Song , A. Lom Kao , Phetchabun 936115 16o-44'-18" N 101

o-39'-00" E 1969-1995

47 Huai Ngaet , A. Lom Sak , Phetchabun 936155 16o-48'-06" N 100

o-54'-02" E 1983-1995

48 Ban Um Ka Thad , A. Lom Kao , Phetchabun 936185 17o-03'-18" N 101

o-22'-20" E 1986-1995

49 Ban Pong Bon , A. Wang Thong , Phitsanulok 939175 16o-51'-04" N 100

o-36'-58" E 1980-2007

50 Kaeng Sue Ten , A. Song , Phrae 940135 18o-39'-00" N 100

o-10'-01" E 1980-1992

51 Ban Kok Chang , A. Muang , Ranong 946095 10o-36'-14" N 98

o-47'-28" E 1991-1994

52 Nam Pung Dam , A. Phu Phan , Sakon Nakhon 950304 16o-58'-18" N 103

o-56'-50" E 1965-2007

53 Ban Khok Sireng , A. Saba Yoi , Songkhla 958354 6o-35'-56" N 100

o-55'-34" E 1990-1995

54 Kaeng Krung , A. Khiri Ratthanikhom , Surat Thani 961231 9o-18'-42" N 98

o-51'-42" E 1972-1994

55 Rajjaprabha Dam (Chiew Larn) , A. Ban Ta Khun , Surat Thani 961315 8o-58'-09" N 98

o-49'-12" E 1982-2007

56 Thung Kai Han , A. Ban Ta Khun , Surat Thani 961385 8o-55'-47" N 98

o-41'-59" E 1982-2007

57 Tin Mine , A. Ban Ta Khun , Surat Thani 961395 9o-19'-06" N 98

o-31'-35" E 1983-1991

58 Rajjaprabha Dam (Ban Rim Ang) , A. Ban Ta Khun , Surat Thani 961405 8o-58'-03" N 98

o-49'-34" E 1985-2007

59 Khlong Saeng (EGAT) , A. Ban Ta Khun , Surat Thani 961995 9o-13'-21" N 98

o-37'-35" E 1990-2007

60 Bhumibol Dam , A. Sam Ngao , Tak 963073 17o-14'-30" N 99

o-03'-45" E 1959-2007

61 Ban Mae La Moeng , A. Tha Song Yang , Tak 963215 17o-31'-05" N 98

o-06'-04" E 1987-1994

62 Ban Mae Salit Luang , A. Tha Song Yang , Tak 963225 17o-26'-00" N 98

o-03'-36" E 1987-1994

63 Ban Kok Ko , A. Mae Sot , Tak 963235 16o-54'-56" N 98

o-38'-00" E 1991-1998

64 Sirindhorn Dam , A. Sirindhorn , Ubol Ratchathani 967374 15o-12'-10" N 105

o-25'-56" E 1971-2007

65 Pak Mun Dam , A. Khong Chiam , Ubol Ratchathani 967555 15o-18'-30" N 105

o-29'-12" E 1991-1994

66 Sirikit Dam , A. Tha Pla , Uttaradit 970095 17o-46'-05" N 100

o-33'-15" E 1971-2007

67 Bang Lang Dam , A. Bannang Sata , Yala 971135 06o-09'-13" N 101

o-16'-33" E 1975-2007

68 Ban K.M.29 , A. Betong , Yala 971175 05o-54'-49" N 101

o-11'-02" E 1986-2007

LIST OF METEOROLOGICAL STATIONS

Latitude LongitudePeriod

LocationNo. Station CodeStation Name

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LOCATION MAP OF METEOROLOGICAL STATIONS

METEOROLOGICAL STATIONS

METEOROLOGICAL STATIONS HAVE BEEN

OPERATED UNTIL YEAR 2007

LEGEND :

15

8 9

13

11 10

12

42

40 41

61 62

63

14

60

50 33 34

35

36 66

38

49 29

52

64

1 7

39

5

6 3

4

46 48

47

2

65

21

25

16

19

24 27

28

51

20

26

22 23

17 18

57 54

56

45

44

37

55 58

67 68

30 31 32

53

43

20°

19°

14°

16°

18°

17°

12°

15°

13°

11°

10°

20°

19°

14°

16°

18°

17°

12°

15°

13°

11°

10°

98° 99° 100° 101° 102° 103° 104° 105°

98° 99° 100° 101° 102° 103° 104° 105°

CHIANG RAI

CHIANG MAI

MAE HONG SON

PHAYAO

NAN LAMPANG

PHRAE

TAK

SUKHOTHAI

UTTARADIT

PHITSANULOK

LAMPHUN

KAMPAENG PHET

PICHIT PHETCHABUN

NAKHON SAWAN

UTHAI THANI

KANCHANABURI

CHAINAT

SINGBURI SUPHANBURI

ANG THONG

LOPBURI

LOEI

NONG KHAI

SAKON NAKHON

UDON THANI NAKHON PHANOM

MUKDAHAN

KHON KAEN

CHAIYAPHUM

KALASIN

MAHA SARAKHAM

YASOTHON

AMNAT CHAROEN

UBON RATCHATHANI

NAKHON RATCHASIMA

BURIRAM SURIN SI SAKET

AYUDHYA

SARABURI

NAKHON NAYOK

PRACHINBURI

CHACHOENGSAO

NAKHON PHATOM

PATHUM THANI

NONTHABURI

BANGKOK

SAMUT SAKHON

SAMUT PRAKARN

SAMUT SONGKHAM

CHONBURI

RAYONG

RATCHABURI

PETCHABURI

PRACHAUP KHILIKHAN

CHUMPHON

RANONG

SURAT THANI PANGNGA

KRABI

NAKHON SI THAMMARAT

TRANG PHATHALUNG

SATUN

SONGKHLA

PATTANI

YALA

NARATHIWAT

SA KAEO

CHANTABURI

TRAD

NONG BUA LAMPHU

PHUKET

59

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STREAM GAGING DATA

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Location

Lat. 17o-20’-25” N, Long. 101

o-16’-12” E, on the left bank, near the bridge about 4.5 km. upstream from

the confluence with Nam San, Amphoe Dan Sai, Loei.

Drainage Area

112 km2

Gage

Vertical staff gage.

Gage Datum

599.00 m. above M.S.L.

Gage Reading Frequency

Staff gage reading : 5 times daily at 06.00, 09.00, 12.00, 15.00, 18.00 (April - May, January - March) and

13 times daily at 06.00-18.00 (June - December).

Records Available

Staff gage record since May 1982.

Discharge record since May 1983.

Average Discharge

25 years (1983 - 2007) 2.11 cms.

Extremes

Current year -Maximum discharge 43.24 cms., gage height 5.98 m. at 06.00 on 06 Octpber 2007;

Minimum discharge 0.01 cms., gage height 0.92 m. at 06.00 - 18.00 on 26 April 2007.

Historical record - Maximum discharge 51.26 cms., gage height 6.26 m. at 18.00 on 31 August 2006;

Minimum discharge 0.00 cms., gage height 0.60 m. at 12.00 on 4 May 1987.

Remarks

Stage-discharge rating defined by 320 discharge measurements from 0.92 m. to 5.80 m.

High flow measurement made from cable car and low flow by wading rod at the gage.

Record for 2007 : good. Discharge Measurement was teminated on 31 March 2008,

only gage height has been still measured.

HUAI LAM CHA NANG AT BAN NONG SANOON (021201)

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0

1

2

3

4

5

6

7

8

0 10 20 30 40 50 60

Gage

Heig

ht -

m.

Discharge - cms.

STAGE - DISCHARGE RATING CURVE

0

5

10

15

20

25

30

35

40

APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

Disch

arge

-cm

s.HUAI LAM CHA NANG AT BAN NONG SANOON (021201)

WATER YEAR 2007

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DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 1.08 1.11 2.00 2.45 1.97 2.38 2.91 2.18 1.40 1.17 1.20 1.122 1.07 1.07 1.62 2.23 2.25 2.28 2.81 2.14 1.40 1.16 1.38 1.123 1.06 1.06 1.46 2.09 2.38 2.15 2.68 2.08 1.39 1.16 1.58 1.114 1.02 1.13 1.43 2.35 2.10 2.04 2.61 2.01 1.38 1.16 1.42 1.115 1.00 1.19 1.32 2.14 1.97 2.00 3.85 2.00 1.36 1.16 1.31 1.106 1.04 1.42 1.55 2.05 1.89 2.04 5.76 1.96 1.36 1.15 1.23 1.107 1.10 1.45 1.31 2.10 1.80 2.68 5.18 1.92 1.34 1.15 1.17 1.128 1.12 1.76 1.25 1.97 1.89 2.48 4.76 1.89 1.32 1.14 1.14 1.089 1.07 1.38 1.22 1.88 3.59 2.31 4.27 1.85 1.32 1.13 1.12 1.0810 1.05 1.21 1.20 1.80 4.10 2.94 4.17 1.80 1.32 1.12 1.10 1.0611 1.06 1.15 1.17 1.74 3.71 4.58 4.20 1.77 1.30 1.12 1.08 1.0612 1.12 1.15 1.16 1.70 3.05 3.81 3.87 1.75 1.28 1.12 1.07 1.0713 1.18 1.41 1.15 1.66 2.87 3.12 3.72 1.73 1.26 1.11 1.08 1.0614 1.13 1.72 1.13 1.64 2.69 2.95 3.49 1.71 1.27 1.11 1.09 1.0615 1.14 1.37 1.11 1.59 2.51 3.25 3.32 1.72 1.26 1.09 1.09 1.1616 1.10 1.31 1.11 1.54 2.42 3.29 3.12 1.68 1.24 1.09 1.08 1.1517 1.07 1.46 1.51 1.51 2.44 3.13 2.99 1.65 1.25 1.08 1.07 1.2218 1.06 1.60 1.44 1.47 2.42 2.87 2.89 1.62 1.25 1.07 1.06 1.1919 1.04 1.98 1.29 1.45 2.28 3.25 2.79 1.60 1.25 1.08 1.08 1.1320 1.05 1.49 1.89 1.44 2.12 3.28 2.72 1.58 1.24 1.18 1.10 1.0921 1.04 1.35 1.36 1.56 2.25 2.98 2.66 1.56 1.23 1.07 1.09 1.0622 0.99 1.25 2.29 1.49 2.47 2.81 2.61 1.54 1.23 1.07 1.10 1.0423 0.96 1.21 1.50 1.44 2.21 2.71 2.54 1.52 1.22 1.08 1.08 1.0324 0.95 1.17 1.66 1.41 2.22 2.60 2.49 1.50 1.20 1.07 1.07 1.0225 0.94 1.15 1.77 1.43 2.07 2.50 2.42 1.46 1.18 1.08 1.06 1.0326 0.92 1.13 1.83 1.39 1.99 2.98 2.37 1.42 1.17 1.09 1.07 1.0927 0.93 1.10 2.78 1.37 1.93 3.35 2.31 1.42 1.19 1.09 1.09 1.0628 0.97 1.18 4.21 1.34 1.90 3.59 2.26 1.41 1.18 1.07 1.11 1.0429 1.08 1.90 4.08 2.90 1.92 3.34 2.23 1.40 1.16 1.06 1.10 1.0330 1.08 2.25 2.85 3.04 2.34 3.17 2.19 1.39 1.16 1.06 1.0231 1.56 2.39 2.10 2.13 1.15 1.21 1.02

Maximum Gage Height 5.76 Meters on 6/ 10/2007Minimum Gage Height 0.92 Meters on 26/ 4/2007Instantaneous Maximum Gage Height 5.98 Meters on 6/ 10/2007

HUAI LAM CHA NANG AT BAN NONG SANOON (021201)Daily Gage Height in Meters for Water Year 2007

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DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 0.14 0.16 1.73 3.11 1.65 2.87 5.17 2.24 0.51 0.19 0.22 0.162 0.13 0.13 0.88 2.39 2.45 2.55 4.66 2.12 0.51 0.19 0.48 0.163 0.13 0.13 0.60 1.97 2.87 2.15 4.06 1.94 0.49 0.19 0.80 0.164 0.10 0.17 0.56 2.77 2.00 1.84 3.75 1.76 0.48 0.19 0.54 0.165 0.08 0.21 0.39 2.12 1.65 1.73 11.83 1.73 0.45 0.19 0.38 0.156 0.11 0.54 0.75 1.86 1.44 1.84 37.42 1.62 0.45 0.18 0.26 0.157 0.15 0.59 0.38 2.00 1.24 4.06 27.06 1.51 0.42 0.18 0.19 0.168 0.16 1.16 0.28 1.65 1.44 3.22 21.28 1.44 0.39 0.17 0.17 0.149 0.13 0.48 0.24 1.41 9.70 2.64 15.69 1.35 0.39 0.17 0.16 0.1410 0.12 0.23 0.22 1.24 14.06 5.34 14.72 1.24 0.39 0.16 0.15 0.1311 0.13 0.18 0.19 1.11 10.66 19.13 15.00 1.18 0.36 0.16 0.14 0.1312 0.16 0.18 0.19 1.03 5.96 11.49 12.00 1.13 0.33 0.16 0.13 0.1313 0.20 0.53 0.18 0.95 4.96 6.38 10.74 1.09 0.30 0.16 0.14 0.1314 0.17 1.07 0.17 0.91 4.11 5.39 8.87 1.05 0.31 0.16 0.14 0.1315 0.17 0.46 0.16 0.82 3.34 7.17 7.64 1.07 0.30 0.14 0.14 0.1916 0.15 0.38 0.16 0.74 3.01 7.43 6.38 0.99 0.27 0.14 0.14 0.1817 0.13 0.60 0.69 0.69 3.08 6.44 5.61 0.93 0.28 0.14 0.13 0.2418 0.13 0.84 0.57 0.62 3.01 4.96 5.07 0.88 0.28 0.13 0.13 0.2119 0.11 1.67 0.34 0.59 2.55 7.17 4.56 0.84 0.28 0.14 0.14 0.1720 0.12 0.65 1.44 0.57 2.06 7.37 4.24 0.80 0.27 0.20 0.15 0.1421 0.11 0.43 0.45 0.77 2.45 5.56 3.97 0.77 0.26 0.13 0.14 0.1322 0.07 0.28 2.58 0.65 3.19 4.66 3.75 0.74 0.26 0.13 0.15 0.1123 0.04 0.23 0.67 0.57 2.33 4.19 3.46 0.70 0.24 0.14 0.14 0.1024 0.03 0.19 0.95 0.53 2.36 3.71 3.26 0.67 0.22 0.13 0.13 0.1025 0.03 0.18 1.18 0.56 1.92 3.30 3.01 0.60 0.20 0.14 0.13 0.1026 0.01 0.17 1.30 0.49 1.70 5.56 2.84 0.54 0.19 0.14 0.13 0.1427 0.02 0.15 4.51 0.46 1.54 7.84 2.64 0.54 0.21 0.14 0.14 0.1328 0.05 0.20 15.10 0.42 1.46 9.70 2.48 0.53 0.20 0.13 0.16 0.1129 0.14 1.46 13.87 5.12 1.51 7.77 2.39 0.51 0.19 0.13 0.15 0.1030 0.14 2.45 4.86 5.90 2.74 6.68 2.27 0.49 0.19 0.13 0.1031 0.77 2.91 2.00 2.09 0.18 0.23 0.10

Total Disch. 3.36 16.87 55.59 46.93 104.44 170.14 257.91 33.00 9.80 4.91 6.00 4.38Mean 0.11 0.54 1.85 1.51 3.37 5.67 8.32 1.10 0.32 0.16 0.21 0.14

Litres/Sec/Km2 1.00 4.86 16.54 13.52 30.08 50.64 74.28 9.82 2.82 1.41 1.85 1.26Runoff in MM. 2.59 13.01 42.88 36.20 80.57 131.25 198.96 25.46 7.56 3.79 4.63 3.38Runoff in MCM 0.29 1.46 4.80 4.05 9.02 14.70 22.28 2.85 0.85 0.42 0.52 0.38Maximun 0.20 2.45 15.10 5.90 14.06 19.13 37.42 2.24 0.51 0.23 0.80 0.24Minimum 0.01 0.13 0.16 0.42 1.24 1.73 2.09 0.49 0.18 0.13 0.13 0.10Inst. Peak Disch. 43.24 cms. on 10/6/2007Maximum 37.42 cms. Minimum 0.01 cms. Mean 1.95 cms. Total Runoff 61.63 MCM.

(Drainage Area =112.0 sq.km.)

HUAI LAM CHA NANG AT BAN NONG SANOON (021201)Daily Discharge in Cubic Meters Per Second for Water Year 2007

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Location

Lat. 18o-10’-30” N, Long. 98

o-36’-00” E, on the right bank, adjacent to the bridge on the bridge on

the Hot-Doi Tao Highway, about 3 km. from Amphoe Hot, Chiang Mai.

Drainage Area

18,932 km2

Gage

Vertical staff gage.

Gage Datum

255.70 m. above M.S.L.

Gage Reading Frequency

Staff gage reading : 5 times daily at 06.00, 09.00, 12.00, 15.00, 18.00 (April - May, February - March) and

13 times daily at 06.00-18.00 (June - January).

Records Available

Staff gage record from August 1970 - October 1974 and since June 1978.

Discharge record from August 1970 - October 1974 and since April 1979.

Float gage record from August 1982 - January 1994.

Average Discharge

34 years (1970 - 1974, 1979 - 2007) 131.00 cms.

Extremes

Current year -Maximum discharge 1432.51 cms., gage height 6.16 m. at 06.00 - 09.00 on 21 September 2007;

Minimum discharge 1.18 cms., gage height 0.36 m. at 18.00 on 11 April 2007.

Historical record -Maximum discharge 2,730.00 cms., gage height 8.38 m. at 06.00 on 22 September 1973;

Minimum discharge 0.00 cms., gage height 0.31 m. at 18.00 on 18 March 2002; Minimum gage height 0.25 m.,

discharge 0.48 cms. at 15.00 on 5 April 1999.

Remarks

Stage-discharge rating defined by 334 discharge measurements from 0.40 m. to 6.16 m.

High flow measurement made from bridge and low flow by wading rod at the gage.

Record for 2007 : fair.

MAE NAM PING AT BAN KONG HIN (061101)

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0

1

2

3

4

5

6

7

0 200 400 600 800 1000 1200 1400 1600 1800

Gage

Heig

ht -

m.

Discharge - cms.

STAGE - DISCHARGE RATING CURVE

0 100 200 300 400 500 600 700 800 900

1000 1100 1200 1300 1400 1500

APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

Disch

arge

-cm

s.MAE NAM PING AT BAN KONG HIN (061101)

WATER YEAR 2007

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DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 3.15 29.64 251.30 215.94 148.99 349.50 586.89 182.48 124.30 69.44 64.88 43.202 10.08 27.28 265.89 175.88 141.53 347.05 417.89 190.53 122.95 67.15 94.40 40.543 9.34 22.60 221.97 153.47 156.49 298.72 316.63 190.53 120.30 63.77 131.26 40.544 10.83 26.50 201.70 137.08 165.93 259.56 263.78 249.32 117.72 62.67 104.14 43.205 10.08 63.77 175.88 125.66 148.99 221.97 314.50 380.22 116.45 61.60 98.01 42.316 10.08 226.06 228.09 111.49 141.53 245.45 542.68 349.50 113.95 61.60 84.26 43.207 10.08 391.64 267.98 127.04 137.08 310.10 702.40 285.92 111.49 62.67 70.57 43.208 8.61 377.95 219.94 140.04 115.20 326.85 599.61 243.55 112.72 61.60 71.70 44.099 3.88 485.10 165.93 129.84 137.08 267.98 515.29 221.97 110.27 60.56 70.57 43.20

10 1.82 466.75 131.26 117.72 253.32 217.93 458.82 201.70 106.60 59.55 61.60 48.5311 1.18 342.22 125.66 107.82 276.09 180.84 702.40 184.10 104.14 55.72 55.72 49.4212 4.80 389.34 106.60 92.05 255.38 175.88 678.79 177.54 100.45 53.89 53.00 50.3113 7.90 499.99 127.04 86.42 201.70 184.10 761.80 170.88 96.79 52.10 52.10 47.6414 9.34 578.58 134.15 82.16 167.56 235.98 672.93 165.93 89.76 53.00 51.21 47.6415 9.34 808.97 881.62 84.26 132.70 278.05 542.68 164.30 86.42 50.31 47.64 46.7516 11.57 699.40 132.70 75.99 120.30 287.93 517.88 169.22 92.05 53.00 44.98 42.3117 13.75 530.60 113.95 82.16 125.66 324.82 515.29 164.30 96.79 53.89 44.09 31.2318 16.62 482.57 115.20 87.52 267.98 289.99 466.75 161.12 95.59 53.00 44.09 25.7219 16.62 499.99 122.95 75.99 212.10 604.70 403.31 153.47 95.59 56.65 43.20 24.1520 16.62 396.26 121.62 69.44 192.12 805.61 347.05 161.12 90.90 58.56 44.09 22.6021 15.91 312.32 131.26 79.08 175.88 1,400.54 305.57 161.12 89.76 57.59 44.09 21.0622 14.47 263.78 134.15 100.45 193.71 856.44 292.10 179.20 87.52 57.59 44.09 21.0623 11.57 228.09 120.30 116.45 175.88 569.79 274.11 206.72 87.52 57.59 44.09 20.3124 8.61 177.54 95.59 110.27 188.93 405.70 249.32 187.33 88.63 59.55 44.98 23.3725 7.21 138.55 112.72 159.56 210.26 324.82 228.09 172.54 86.42 55.72 43.20 25.7226 5.34 120.30 100.45 167.56 212.10 263.78 212.10 162.70 83.20 53.89 42.31 28.8527 7.90 106.60 129.84 170.88 243.55 257.46 201.70 147.50 77.03 55.72 39.66 32.0428 15.19 102.91 314.50 137.08 253.32 298.72 195.30 138.55 72.80 57.59 39.66 32.0429 13.75 96.79 430.00 120.30 265.89 646.13 184.10 132.70 70.57 59.55 41.43 32.8530 15.19 112.72 310.10 156.49 285.92 678.79 180.84 128.43 69.44 67.15 31.2331 127.04 159.56 289.99 179.20 69.44 61.60 28.85

Total Disch. 300.83 9,131.85 5,990.34 3,755.65 5,993.16 11,915.18 12,829.80 5,784.49 2,987.56 1,814.27 1,715.02 1,117.16Mean 10.03 294.58 199.68 121.15 193.33 397.17 413.86 192.82 96.37 58.52 59.14 36.04

Litres/Sec/Km2 0.53 15.56 10.55 6.40 10.21 20.98 21.86 10.18 5.09 3.09 3.12 1.90Runoff in MM. 1.37 41.68 27.34 17.14 27.35 54.38 58.55 26.40 13.63 8.28 7.83 5.10Runoff in MCM 25.99 788.99 517.57 324.49 517.81 1,029.47 1,108.49 499.78 258.13 156.75 148.18 96.52Maximun 16.62 808.97 881.62 215.94 289.99 1,400.54 761.80 380.22 124.30 69.44 131.26 50.31Minimum 1.18 22.60 95.59 69.44 115.20 175.88 179.20 128.43 69.44 50.31 39.66 20.31Inst. Peak Disch. 1,432.51 cms. on 21/ 9/2007Maximum 1,400.54 cms. Minimum 1.18 cms. Mean 173.05 cms. Total Runoff 5,472.17 MCM.

(Drainage Area =18,932.0 sq.km.)

MAE NAM PING AT BAN KONG HIN (061101)Daily Discharge in Cubic Meters Per Second for Water Year 2007

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DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 0.46 0.84 2.50 2.32 1.91 2.96 3.91 2.12 1.74 1.27 1.23 1.002 0.58 0.81 2.57 2.08 1.86 2.95 3.25 2.17 1.73 1.25 1.50 0.973 0.57 0.75 2.35 1.94 1.96 2.73 2.81 2.17 1.71 1.22 1.79 0.974 0.59 0.80 2.24 1.83 2.02 2.54 2.56 2.49 1.69 1.21 1.58 1.005 0.58 1.22 2.08 1.75 1.91 2.35 2.80 3.09 1.68 1.20 1.53 0.996 0.58 2.37 2.38 1.64 1.86 2.47 3.75 2.96 1.66 1.20 1.41 1.007 0.58 3.14 2.58 1.76 1.83 2.78 4.31 2.67 1.64 1.21 1.28 1.008 0.56 3.08 2.34 1.85 1.67 2.86 3.96 2.46 1.65 1.20 1.29 1.019 0.48 3.52 2.02 1.78 1.83 2.58 3.64 2.35 1.63 1.19 1.28 1.00

10 0.41 3.45 1.79 1.69 2.51 2.33 3.42 2.24 1.60 1.18 1.20 1.0611 0.38 2.93 1.75 1.61 2.62 2.11 4.31 2.13 1.58 1.14 1.14 1.0712 0.50 3.13 1.60 1.48 2.52 2.08 4.23 2.09 1.55 1.12 1.11 1.0813 0.55 3.58 1.76 1.43 2.24 2.13 4.50 2.05 1.52 1.10 1.10 1.0514 0.57 3.88 1.81 1.39 2.03 2.42 4.21 2.02 1.46 1.11 1.09 1.0515 0.57 4.64 4.85 1.41 1.80 2.63 3.75 2.01 1.43 1.08 1.05 1.0416 0.60 4.30 1.80 1.33 1.71 2.68 3.65 2.04 1.48 1.11 1.02 0.9917 0.63 3.70 1.66 1.39 1.75 2.85 3.64 2.01 1.52 1.12 1.01 0.8618 0.67 3.51 1.67 1.44 2.58 2.69 3.45 1.99 1.51 1.11 1.01 0.7919 0.67 3.58 1.73 1.33 2.30 3.98 3.19 1.94 1.51 1.15 1.00 0.7720 0.67 3.16 1.72 1.27 2.18 4.63 2.95 1.99 1.47 1.17 1.01 0.7521 0.66 2.79 1.79 1.36 2.08 6.09 2.76 1.99 1.46 1.16 1.01 0.7322 0.64 2.56 1.81 1.55 2.19 4.78 2.70 2.10 1.44 1.16 1.01 0.7323 0.60 2.38 1.71 1.68 2.08 3.85 2.61 2.27 1.44 1.16 1.01 0.7224 0.56 2.09 1.51 1.63 2.16 3.20 2.49 2.15 1.45 1.18 1.02 0.7625 0.54 1.84 1.65 1.98 2.29 2.85 2.38 2.06 1.43 1.14 1.00 0.7926 0.51 1.71 1.55 2.03 2.30 2.56 2.30 2.00 1.40 1.12 0.99 0.8327 0.55 1.60 1.78 2.05 2.46 2.53 2.24 1.90 1.34 1.14 0.96 0.8728 0.65 1.57 2.80 1.83 2.51 2.73 2.20 1.84 1.30 1.16 0.96 0.8729 0.63 1.52 3.30 1.71 2.57 4.12 2.13 1.80 1.28 1.18 0.98 0.8830 0.65 1.65 2.78 1.96 2.67 4.23 2.11 1.77 1.27 1.25 0.8631 1.76 1.98 2.69 2.10 1.27 1.20 0.83

Maximum Gage Height 6.09 Meters on 21/ 9/2007Minimum Gage Height 0.38 Meters on 11/ 4/2007Instantaneous Maximum Gage Height 6.16 Meters on 21/ 9/2007

MAE NAM PING AT BAN KONG HIN (061101)Daily Gage Height in Meters for Water Year 2007

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Location

Lat. 16o-51’-04” N, Long. 100

o-36’-58” E, on the right bank, adjacent to the Phisanulok-Lom Sak highway,

about 1 km. downstream of the proposed damsite alternative No.3, Amphoe Wang Thong, Phitsanulok.

Drainage Area

1,506 km2

Gage

Float gage recorder referred to vertical staff gage.

Gage Datum

74.50 m. above M.S.L.

Gage Reading Frequency

Staff gage reading : 5 times daily at 06.00, 09.00, 12.00, 15.00, 18.00 (April - May, January - March) and

13 times daily at 06.00-18.00 (June - December).

Float gage recording : Hourly

Records Available

Staff gage record since October 1980.

Discharge record since April 1981.

Float gage record since May 1985.

Average Discharge

27 years (1981 - 2007) 25.33 cms.

Extremes

Current year -Maximum discharge 943.46 cms., gage height 7.62 m. at 18.00 on 5 October 2007;

Minimum discharge and gage height are not available.

Historical record -Maximum discharge 1,291.00 cms., gage height 7.24 m. at 11.00 on 19 August 1991;

Maximum gage height 7.62 m., discharge 943.46 cms. at 18.00 on 5 October 2007.

Minimum discharge 0.00 cms., gage height 2.69 m. at 06.00 on 26 March 2002 ; Minimum gage height 2.58 m.,

discharge 0.12 cms. at 12.00 - 24.00 on 13 March 2005 and 06.00 - 18.00 on 14 March 2005.

Remarks

Stage-discharge rating defined by 261 discharge measurements from 2.74 m. to 5.70 m.

High flow measurement made from cable car and low flow by wading rod at 1 km. upstream of the gage.

Record for 2007 : good. Station was closed on 26 March 2008.

MAE NAM KHEK AT BAN PONG BON (091601)

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0

1

2

3

4

5

6

7

8

9

0 100 200 300 400 500 600 700 800 900 1000 1100

Gage

Heig

ht -m

.

Discharge - cms.

STAGE - DISCHARGE RATING CURVE

0

100

200

300

400

500

600

700

800

APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

Disch

arge

-cms

.MAE NAM KHEK AT BAN PONG BON (091601)

WATER YEAR 2007

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DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 2.21 6.51 12.78 17.79 30.83 96.35 62.52 22.70 8.43 4.47 1.86 1.022 1.70 5.38 12.32 17.79 28.50 68.59 61.30 22.02 8.43 4.23 3.27 1.023 1.28 4.70 9.45 17.79 50.84 98.99 63.75 21.37 8.12 4.23 5.15 0.904 0.66 6.51 8.43 17.25 29.27 88.41 95.04 20.72 7.82 3.99 6.51 0.905 0.45 10.60 22.02 45.62 23.39 84.43 703.41 20.10 7.82 3.99 6.27 1.026 2.40 12.32 30.04 29.27 20.72 184.43 450.80 18.91 7.82 3.75 5.38 0.907 1.70 27.75 18.34 23.39 17.79 201.94 226.34 18.34 7.54 3.75 4.47 0.908 1.70 27.00 22.70 20.72 16.72 107.23 143.03 17.25 7.54 3.51 4.23 0.789 1.55 14.70 14.70 18.91 57.66 72.12 122.35 16.72 7.26 3.51 3.99 0.78

10 1.28 11.44 11.01 16.72 125.45 148.00 230.23 16.20 7.26 3.51 3.51 0.7811 2.82 9.45 22.02 34.13 70.95 108.67 182.62 15.19 7.00 3.51 3.27 0.6612 3.75 18.91 33.28 20.10 48.71 73.29 122.35 14.70 7.00 3.27 3.04 0.4513 5.15 18.91 26.26 16.72 39.63 122.35 87.08 14.21 6.75 3.27 2.60 0.3514 3.99 16.20 16.72 17.79 33.28 120.80 85.75 14.21 6.51 3.27 2.60 0.3515 5.60 13.25 16.72 67.40 28.50 130.14 79.30 13.73 6.27 3.04 2.40 0.4516 5.38 32.45 11.87 30.04 25.53 175.37 70.95 13.25 6.27 3.04 2.21 0.5517 6.04 40.61 15.19 25.53 39.63 130.14 62.52 12.78 6.04 3.04 2.03 0.6618 3.99 24.80 13.73 30.04 154.67 91.07 56.47 12.32 6.04 3.04 2.03 0.6619 2.40 20.10 39.63 22.02 70.95 123.90 61.30 11.87 6.04 2.82 1.86 0.5520 2.03 26.26 75.66 20.10 47.67 275.85 50.84 11.44 5.82 2.82 1.86 0.6621 1.41 16.72 34.13 44.60 37.73 158.01 44.60 11.01 5.82 2.60 1.70 0.9022 1.41 14.21 25.53 24.09 55.30 97.67 40.61 11.01 5.60 2.60 1.55 0.9023 1.28 12.32 21.37 20.10 47.67 79.30 37.73 10.60 5.38 2.60 1.41 0.7824 1.15 13.25 18.34 21.37 78.07 67.40 35.89 10.20 5.15 2.60 1.41 0.5525 0.78 9.45 16.20 27.00 76.85 60.07 33.28 10.60 4.70 2.40 1.41 0.4526 0.55 8.12 18.34 22.02 45.62 54.15 31.63 9.82 4.70 2.40 1.28 0.2627 0.78 8.12 30.83 17.79 38.68 64.98 29.27 9.10 4.70 2.21 1.15 -99.9928 5.15 7.00 23.39 16.72 50.84 96.35 27.75 9.10 4.70 2.21 1.15 -99.9929 3.75 6.75 22.02 17.79 103.02 117.71 26.26 8.76 4.70 2.21 1.02 -99.9930 6.04 12.78 18.91 37.73 57.66 85.75 24.80 8.76 4.70 2.03 -99.9931 17.79 30.04 62.52 23.39 4.70 2.03 -99.99

Total Disch. 78.38 474.36 661.93 788.37 1,614.65 3,383.46 3,373.16 426.99 196.63 95.95 80.62Mean 2.61 15.30 22.06 25.43 52.09 112.78 108.81 14.23 6.34 3.10 2.78

Litres/Sec/Km2 1.73 10.16 14.65 16.89 34.59 74.89 72.25 9.45 4.21 2.06 1.85Runoff in MM. 4.50 27.21 37.98 45.23 92.63 194.11 193.52 24.50 11.28 5.50 4.63Runoff in MCM 6.77 40.98 57.19 68.12 139.51 292.33 291.44 36.89 16.99 8.29 6.97Maximun 6.04 40.61 75.66 67.40 154.67 275.85 703.41 22.70 8.43 4.47 6.51Minimum 0.45 4.70 8.43 16.72 16.72 54.15 23.39 8.76 4.70 2.03 1.02Inst. Peak Disch. 943.46 cms. on 5/ 10/2007Maximum 703.41 cms. Minimum cms. Mean cms. Total Runoff MCM.Remark: the value -99.99 is indicated the missing data

(Drainage Area =1,506.0 sq.km.)

MAE NAM KHEK AT BAN PONG BON (091601)Daily Discharge in Cubic Meters Per Second for Water Year 2007

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DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 2.89 3.08 3.26 3.36 3.55 4.13 3.86 3.44 3.15 2.99 2.87 2.812 2.86 3.03 3.25 3.36 3.52 3.91 3.85 3.43 3.15 2.98 2.94 2.813 2.83 3.00 3.18 3.36 3.76 4.15 3.87 3.42 3.14 2.98 3.02 2.804 2.78 3.08 3.15 3.35 3.53 4.07 4.12 3.41 3.13 2.97 3.08 2.805 2.76 3.21 3.43 3.71 3.45 4.04 6.93 3.40 3.13 2.97 3.07 2.816 2.90 3.25 3.54 3.53 3.41 4.68 5.89 3.38 3.13 2.96 3.03 2.807 2.86 3.51 3.37 3.45 3.36 4.78 4.91 3.37 3.12 2.96 2.99 2.808 2.86 3.50 3.44 3.41 3.34 4.21 4.44 3.35 3.12 2.95 2.98 2.799 2.85 3.30 3.30 3.38 3.82 3.94 4.31 3.34 3.11 2.95 2.97 2.7910 2.83 3.23 3.22 3.34 4.33 4.47 4.93 3.33 3.11 2.95 2.95 2.7911 2.92 3.18 3.43 3.59 3.93 4.22 4.67 3.31 3.10 2.95 2.94 2.7812 2.96 3.38 3.58 3.40 3.74 3.95 4.31 3.30 3.10 2.94 2.93 2.7613 3.02 3.38 3.49 3.34 3.65 4.31 4.06 3.29 3.09 2.94 2.91 2.7514 2.97 3.33 3.34 3.36 3.58 4.30 4.05 3.29 3.08 2.94 2.91 2.7515 3.04 3.27 3.34 3.90 3.52 4.36 4.00 3.28 3.07 2.93 2.90 2.7616 3.03 3.57 3.24 3.54 3.48 4.63 3.93 3.27 3.07 2.93 2.89 2.7717 3.06 3.66 3.31 3.48 3.65 4.36 3.86 3.26 3.06 2.93 2.88 2.7818 2.97 3.47 3.28 3.54 4.51 4.09 3.81 3.25 3.06 2.93 2.88 2.7819 2.90 3.40 3.65 3.43 3.93 4.32 3.85 3.24 3.06 2.92 2.87 2.7720 2.88 3.49 3.97 3.40 3.73 5.16 3.76 3.23 3.05 2.92 2.87 2.7821 2.84 3.34 3.59 3.70 3.63 4.53 3.70 3.22 3.05 2.91 2.86 2.8022 2.84 3.29 3.48 3.46 3.80 4.14 3.66 3.22 3.04 2.91 2.85 2.8023 2.83 3.25 3.42 3.40 3.73 4.00 3.63 3.21 3.03 2.91 2.84 2.7924 2.82 3.27 3.37 3.42 3.99 3.90 3.61 3.20 3.02 2.91 2.84 2.7725 2.79 3.18 3.33 3.50 3.98 3.84 3.58 3.21 3.00 2.90 2.84 2.7626 2.77 3.14 3.37 3.43 3.71 3.79 3.56 3.19 3.00 2.90 2.83 2.7427 2.79 3.14 3.55 3.36 3.64 3.88 3.53 3.17 3.00 2.89 2.82 -9.9928 3.02 3.10 3.45 3.34 3.76 4.13 3.51 3.17 3.00 2.89 2.82 -9.9929 2.96 3.09 3.43 3.36 4.18 4.28 3.49 3.16 3.00 2.89 2.81 -9.9930 3.06 3.26 3.38 3.63 3.82 4.05 3.47 3.16 3.00 2.88 -9.9931 3.36 3.54 3.86 3.45 3.00 2.88 -9.99

Maximum Gage Height 6.93 Meters on 5/ 10/2007Minimum Gage Height Meters on Instantaneous Maximum Gage Height 7.62 Meters on 5/ 10/2007

MAE NAM KHEK AT BAN PONG BON (091601)Daily Gage Height in Meters for Water Year 2007

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Location

Lat. 14o-18’-12” N, Long. 98

o-59’-00” E, on the left bank, about 11 km. upstream of Sai Yok Noi Waterfall

at Ban Phu Takhian, Amphoe Sai Yok, Kanchanaburi.

Drainage Area

6,512 km2

Gage

Float gage recorder referred to vertical staff gage.

Gage Datum

40.00 m. above M.S.L.

Gage Reading Frequency

Staff gage reading : 5 times daily at 06.00, 09.00, 12.00, 15.00, 18.00 (April - May, January - March) and

13 times daily at 06.00-18.00 (June - December).

Float gage recording : Hourly

Records Available

Staff gage record since July 1968.

Discharge record since April 1969.

Float gage record since July 1989.

Average Discharge

14 years (1969 - 1982) 213.68 cms. for pre-dam.

25 years (1983 - 2007) 228.47 cms. for post-dam.

Extremes

Current year -Maximum discharge 843.60 cms., gage height 10.40 m. at 07.00 on 10 August 2007;

Minimum discharge 86.05 cms., gage height 3.54 m. at 11.00 on 2 January 2008.

Historical record -Maximum discharge 3,990.00 cms., gage height 21.36 m. at 18.00 on 14 August 1981;

Minimum discharge 10.80 cms., gage height 1.56 m. at 18.00 on 27 April 1969.

Remarks

Stage-discharge rating defined by 274 discharge measurements from 3.59 m. to 9.92 m.

Flow measurement made from cable car at the gage.

Record for 2007 : good.

MAE NAM KHWAE NOI AT BAN PHU TOEI (141101)

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0123456789

101112

0 100 200 300 400 500 600 700 800 900 1000

Gage

Heig

ht -

m.

Discharge - cms.

STAGE - DISCHARGE RATING CURVE

0

100

200

300

400

500

600

700

800

900

APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

Disch

arge

-cm

s.MAE NAM KHWAE NOI AT BAN PHU TOEI (141101)

WATER YEAR 2007

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DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 370.55 373.03 321.12 228.00 175.72 282.34 221.39 260.42 265.23 94.26 233.49 308.002 362.23 244.87 351.96 170.87 181.15 259.25 221.39 247.05 243.78 86.05 231.21 273.603 369.32 375.53 290.63 210.32 180.28 241.56 222.33 254.70 146.55 155.76 212.67 240.444 391.19 382.85 305.70 196.83 167.91 278.00 226.04 243.78 226.04 201.42 165.95 317.685 368.10 410.43 336.29 222.33 133.08 297.86 223.26 169.89 200.54 218.40 245.96 303.466 393.58 364.53 335.11 483.96 134.79 288.17 301.24 248.13 181.15 232.34 233.49 320.007 373.03 374.28 329.53 550.64 202.30 330.60 229.04 256.95 193.74 185.60 300.13 324.328 368.10 399.44 315.27 294.31 197.80 301.24 188.50 253.59 232.34 212.67 244.87 324.329 370.55 378.00 342.30 199.65 264.01 266.45 249.21 259.25 231.21 189.52 241.56 322.20

10 382.85 385.24 303.46 231.21 786.94 252.49 234.65 258.09 211.49 194.79 266.45 279.0811 398.28 376.77 296.70 197.80 544.52 284.60 342.30 215.03 178.50 191.62 220.43 308.0012 349.58 365.70 336.29 200.54 468.15 278.00 397.12 174.77 188.50 174.77 322.20 333.9613 322.20 357.72 310.39 198.74 393.58 281.24 339.87 260.42 217.32 164.97 291.86 344.7414 231.21 353.14 294.31 242.68 357.72 284.60 379.23 301.24 213.86 115.17 296.70 326.3915 301.24 397.12 309.18 233.49 333.96 278.00 278.00 258.09 224.18 197.80 296.70 337.4716 289.40 419.98 253.59 184.68 300.13 235.81 291.86 258.09 208.07 195.82 289.40 349.5817 393.58 425.00 201.42 226.04 364.53 238.15 275.83 255.82 248.13 170.87 275.83 270.0818 401.70 400.58 192.68 216.19 464.50 311.60 256.95 253.59 225.10 203.18 238.15 306.8419 374.28 407.15 249.21 209.18 418.73 285.77 266.45 180.28 243.78 191.62 288.17 303.4620 381.65 357.72 256.95 216.19 208.07 283.46 255.82 256.95 218.40 164.00 302.35 345.9521 403.90 358.84 244.87 200.54 268.88 310.39 210.32 254.70 190.57 151.32 293.09 347.1722 387.62 381.65 249.21 189.52 448.76 339.87 167.91 315.27 177.59 177.59 290.63 339.8723 336.29 393.58 235.81 148.50 432.43 286.96 225.10 309.18 202.30 178.50 303.46 374.2824 382.85 406.07 225.10 232.34 266.45 219.44 208.07 317.68 164.00 233.49 295.52 282.3425 401.70 392.39 161.14 218.40 255.82 308.00 281.24 323.27 154.88 241.56 219.44 355.4526 408.24 394.76 192.68 201.42 218.40 299.00 219.44 232.34 156.63 240.44 296.70 371.7927 401.70 333.96 180.28 192.68 186.53 293.09 239.30 281.24 193.74 182.02 350.78 373.0328 400.58 355.45 225.10 183.78 291.86 288.17 230.11 275.83 210.32 124.74 308.00 363.3729 381.65 329.53 195.82 180.28 300.13 284.60 138.17 262.80 182.90 210.32 316.48 417.4930 397.12 322.20 234.65 174.77 286.96 260.42 265.23 266.45 134.79 238.15 415.0631 336.29 182.02 290.63 262.80 108.01 241.56 374.28

Total Disch. 11,094.27 11,553.80 8,076.75 7,017.90 9,524.72 8,449.13 7,848.17 7,704.89 6,173.64 5,760.32 7,871.67 10,253.70Mean 369.81 372.70 269.23 226.38 307.25 281.64 253.17 256.83 199.15 185.82 271.44 330.76

Litres/Sec/Km2 56.79 57.23 41.34 34.76 47.18 43.25 38.88 39.44 30.58 28.53 41.68 50.79Runoff in MM. 147.20 153.29 107.16 93.11 126.37 112.10 104.13 102.23 81.91 76.43 104.44 136.04Runoff in MCM 958.54 998.25 697.83 606.35 822.94 730.00 678.08 665.70 533.40 497.69 680.11 885.92Maximun 408.24 425.00 351.96 550.64 786.94 339.87 397.12 323.27 265.23 241.56 350.78 417.49Minimum 231.21 244.87 161.14 148.50 133.08 219.44 138.17 169.89 108.01 86.05 165.95 240.44Inst. Peak Disch. 843.60 cms. on 10/ 8/2007Maximum 786.94 cms. Minimum 86.05 cms. Mean 276.86 cms. Total Runoff 8,754.82 MCM.

(Drainage Area = 6,512.0 sq.km.)

MAE NAM KHWAE NOI AT BAN PHU TOEI (141101)Daily Discharge in Cubic Meters Per Second for Water Year 2007

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DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 6.94 6.96 6.51 5.70 5.17 6.18 5.63 5.99 6.03 4.26 5.75 6.402 6.87 5.85 6.78 5.12 5.23 5.98 5.63 5.87 5.84 4.16 5.73 6.103 6.93 6.98 6.25 5.53 5.22 5.82 5.64 5.94 4.86 4.96 5.55 5.814 7.11 7.04 6.38 5.39 5.09 6.14 5.68 5.84 5.68 5.44 5.07 6.485 6.92 7.28 6.65 5.64 4.71 6.31 5.65 5.11 5.43 5.60 5.86 6.366 7.13 6.89 6.64 7.87 4.73 6.23 6.34 5.88 5.23 5.74 5.75 6.507 6.96 6.97 6.59 8.37 5.45 6.60 5.71 5.96 5.36 5.28 6.33 6.548 6.92 7.18 6.46 6.28 5.40 6.34 5.31 5.93 5.74 5.55 5.85 6.549 6.94 7.00 6.70 5.42 6.02 6.04 5.89 5.98 5.73 5.32 5.82 6.52

10 7.04 7.06 6.36 5.73 10.02 5.92 5.76 5.97 5.54 5.37 6.04 6.1511 7.17 6.99 6.30 5.40 8.33 6.20 6.70 5.57 5.20 5.34 5.62 6.4012 6.76 6.90 6.65 5.43 7.75 6.14 7.16 5.16 5.31 5.16 6.52 6.6313 6.52 6.83 6.42 5.41 7.13 6.17 6.68 5.99 5.59 5.06 6.26 6.7214 5.73 6.79 6.28 5.83 6.83 6.20 7.01 6.34 5.56 4.51 6.30 6.5615 6.34 7.16 6.41 5.75 6.63 6.14 6.14 5.97 5.66 5.40 6.30 6.6616 6.24 7.36 5.93 5.27 6.33 5.77 6.26 5.97 5.51 5.38 6.24 6.7617 7.13 7.40 5.44 5.68 6.89 5.79 6.12 5.95 5.88 5.12 6.12 6.0718 7.20 7.19 5.35 5.58 7.72 6.43 5.96 5.93 5.67 5.46 5.79 6.3919 6.97 7.25 5.89 5.52 7.35 6.21 6.04 5.22 5.84 5.34 6.23 6.3620 7.03 6.83 5.96 5.58 5.51 6.19 5.95 5.96 5.60 5.05 6.35 6.7321 7.22 6.84 5.85 5.43 6.06 6.42 5.53 5.94 5.33 4.91 6.27 6.7422 7.08 7.03 5.89 5.32 7.59 6.68 5.09 6.46 5.19 5.19 6.25 6.6823 6.65 7.13 5.77 4.88 7.46 6.22 5.67 6.41 5.45 5.20 6.36 6.9724 7.04 7.24 5.67 5.74 6.04 5.61 5.51 6.48 5.05 5.75 6.29 6.1825 7.20 7.12 5.02 5.60 5.95 6.40 6.17 6.53 4.95 5.82 5.61 6.8126 7.26 7.14 5.35 5.44 5.60 6.32 5.61 5.74 4.97 5.81 6.30 6.9527 7.20 6.63 5.22 5.35 5.29 6.27 5.80 6.17 5.36 5.24 6.77 6.9628 7.19 6.81 5.67 5.26 6.26 6.23 5.72 6.12 5.53 4.62 6.40 6.8829 7.03 6.59 5.38 5.22 6.33 6.20 4.77 6.01 5.25 5.53 6.47 7.3430 7.16 6.52 5.76 5.16 6.22 5.99 6.03 6.04 4.73 5.79 7.3231 6.65 5.24 6.25 6.01 4.43 5.82 6.97

Maximum Gage Height 10.02 Meters on 10/ 8/2007Minimum Gage Height 4.16 Meters on 2/ 1/2008Instantaneous Maximum Gage Height 10.40 Meters on 10/ 8/2007

MAE NAM KHWAE NOI AT BAN PHU TOEI (141101)Daily Gage Height in Meters for Water Year 2007

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Location

Lat. 05o-54’-49” N, Long. 101

o-11’-02” E, on the left bank, about 29 km. from Amphoe Betong

on the Betong-Yala highway, Amphoe Betong, Yala.

Drainage Area

683 km2

Gage

Float gage recorder referred to vertical staff gage.

Gage Datum

116.21 m. above M.S.L.

Gage Reading Frequency

Staff gage reading : 5 times daily at 06.00, 09.00, 12.00, 15.00, 18.00 (February - March) and

13 times daily at 06.00-18.00 (April - January).

Float gage recording : Hourly

Records Available

Staff gage record since February 1986.

Discharge record since April 1986.

Float gage record from January 1987 - May 1991 and since November 2001.

Average Discharge

22 years (1986 - 2007) 19.14 cms.

Extremes

Current year -Maximum discharge 909.10 cms., gage height 5.40 m. at 13.00 on 17 December 2007;

Minimum discharge 7.72 cms., gage height 0.68 m. at 06.00 - 18.00 on 9 April 2007 and 06.00 - 16.00 on

9 April 2007.

Historical record -Maximum discharge 1,070.00 cms., gage height 5.45 m. at 08.00 on 2 November 1990;

Minimum discharge 0.00 cms., gage height 0.59 m. at 16.00 - 17.00 on 5 July 2004; Minimum gage height 0.32 m.

discharge 0.60 cms. at 12.00 on 23 August 1986 - 09.00 on 25 August 1986.

Remarks

Stage-discharge rating defined by 261 discharge measurements from 0.68 m. to 2.19 m.

High flow measurement made from cable car and low flow by wading rod at the gage.

Record for 2007 : good.

MAE NAM PATTANI AT BAN K.M.29 (240202)

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0

1

2

3

4

5

6

0 100 200 300 400 500 600 700 800 900 1000 1100

Gage

Heig

ht -m

.

Discharge - cms.

STAGE - DISCHARGE RATING CURVE

0

100

200

300

400

500

600

700

800

900

APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

Disch

arge

-cms

.MAE NAM PATTANI AT BAN K.M. 29 (240202)

WATER YEAR 2007

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DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 37.69 18.18 31.52 18.18 19.19 41.64 50.04 25.70 24.58 35.17 15.32 36.422 13.56 16.25 26.85 17.20 18.18 40.30 51.47 32.72 23.46 32.72 22.36 21.293 22.36 12.72 31.52 17.20 16.25 22.36 31.52 30.34 22.36 32.72 25.70 17.204 25.70 10.40 55.70 16.25 15.32 19.19 23.46 43.01 22.36 31.52 17.20 14.435 11.14 10.40 43.01 15.32 13.56 17.20 21.29 37.69 21.29 30.34 15.32 12.726 9.00 9.68 37.69 14.43 12.72 14.43 21.29 48.62 71.20 29.16 14.43 11.147 8.35 9.00 44.39 14.43 12.72 26.85 22.36 41.64 210.41 28.00 13.56 13.568 7.72 8.35 37.69 14.43 11.92 23.46 19.19 36.42 92.01 28.00 12.72 16.259 7.72 21.29 35.17 14.43 11.92 20.23 16.25 32.72 93.50 26.85 12.72 12.7210 13.56 64.05 47.20 15.32 11.14 21.29 17.20 30.34 81.61 24.58 11.92 11.9211 15.32 22.36 48.62 13.56 11.14 16.25 17.20 44.39 84.59 45.79 11.92 10.4012 12.72 16.25 50.04 12.72 10.40 14.43 25.70 86.07 105.67 35.17 11.92 10.4013 21.29 14.43 43.01 12.72 16.25 22.36 40.30 150.92 71.20 31.52 11.92 10.4014 33.93 13.56 37.69 13.56 19.19 23.46 36.42 77.12 98.00 25.70 11.14 9.6815 33.93 11.14 37.69 15.32 17.20 31.52 32.72 77.12 108.80 24.58 11.14 9.0016 22.36 12.72 128.37 14.43 12.72 43.01 36.42 65.46 78.62 23.46 10.40 9.0017 32.72 11.92 66.87 12.72 11.92 33.93 29.16 77.12 801.81 23.46 10.40 8.3518 18.18 31.52 47.20 17.20 11.14 23.46 28.00 50.04 189.38 24.58 10.40 8.3519 18.18 87.56 44.39 19.19 11.14 20.23 98.00 54.30 123.45 23.46 10.40 26.8520 22.36 45.79 43.01 22.36 12.72 18.18 40.30 64.05 99.51 22.36 9.68 22.3621 13.56 71.20 35.17 21.29 11.92 16.25 33.93 71.20 83.10 21.29 9.68 24.5822 13.56 50.04 36.42 22.36 14.43 15.32 29.16 55.70 71.20 20.23 9.00 38.9823 28.00 83.10 30.34 41.64 10.40 15.32 30.34 47.20 64.05 19.19 9.00 40.3024 21.29 55.70 28.00 22.36 12.72 14.43 24.58 40.30 59.88 19.19 9.00 36.4225 17.20 40.30 25.70 20.23 19.19 13.56 24.58 35.17 55.70 18.18 9.68 26.8526 17.20 36.42 25.70 17.20 55.70 -99.99 24.58 32.72 51.47 20.23 10.40 22.3627 11.92 29.16 23.46 51.47 19.19 -99.99 21.29 30.34 48.62 18.18 9.68 33.9328 11.92 30.34 21.29 47.20 19.19 -99.99 22.36 30.34 44.39 17.20 26.85 32.7229 16.25 26.85 20.23 33.93 19.19 -99.99 21.29 28.00 41.64 17.20 68.30 29.1630 21.29 23.46 19.19 33.93 18.18 26.85 38.98 25.70 40.30 16.25 26.8531 29.16 22.36 15.32 30.34 36.42 15.32 33.93

Total Disch. 559.98 923.30 1,203.13 644.94 492.17 959.72 1,502.46 3,020.58 781.60 432.16 638.52Mean 18.67 29.78 40.10 20.80 15.88 30.96 50.08 97.44 25.21 14.90 20.60

Litres/Sec/Km2 27.33 43.61 58.72 30.46 23.25 45.33 73.33 142.66 36.91 21.82 30.16Runoff in MM. 70.84 116.80 152.20 81.59 62.26 121.41 190.06 382.11 98.87 54.67 80.77Runoff in MCM 48.38 79.77 103.95 55.72 42.52 82.92 129.81 260.98 67.53 37.34 55.17Maximun 37.69 87.56 128.37 51.47 55.70 98.00 150.92 801.81 45.79 68.30 40.30Minimum 7.72 8.35 19.19 12.72 10.40 16.25 25.70 21.29 15.32 9.00 8.35Inst. Peak Disch. 909.10 cms. on 17/12/2007Maximum 801.81 cms. Minimum cms. Mean cms. Total Runoff MCM.Remark: the value -99.99 is indicated the missing data

(Drainage Area = 683.0 sq.km.)

MAE NAM PATTANI AT BAN K.M. 29 (240202)Daily Discharge in Cubic Meters Per Second for Water Year 2007

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DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 0.98 0.81 0.93 0.81 0.82 1.01 1.07 0.88 0.87 0.96 0.78 0.972 0.76 0.79 0.89 0.80 0.81 1.00 1.08 0.94 0.86 0.94 0.85 0.843 0.85 0.75 0.93 0.80 0.79 0.85 0.93 0.92 0.85 0.94 0.88 0.804 0.88 0.72 1.11 0.79 0.78 0.82 0.86 1.02 0.85 0.93 0.80 0.775 0.73 0.72 1.02 0.78 0.76 0.80 0.84 0.98 0.84 0.92 0.78 0.756 0.70 0.71 0.98 0.77 0.75 0.77 0.84 1.06 1.22 0.91 0.77 0.737 0.69 0.70 1.03 0.77 0.75 0.89 0.85 1.01 2.08 0.90 0.76 0.768 0.68 0.69 0.98 0.77 0.74 0.86 0.82 0.97 1.36 0.90 0.75 0.799 0.68 0.84 0.96 0.77 0.74 0.83 0.79 0.94 1.37 0.89 0.75 0.7510 0.76 1.17 1.05 0.78 0.73 0.84 0.80 0.92 1.29 0.87 0.74 0.7411 0.78 0.85 1.06 0.76 0.73 0.79 0.80 1.03 1.31 1.04 0.74 0.7212 0.75 0.79 1.07 0.75 0.72 0.77 0.88 1.32 1.45 0.96 0.74 0.7213 0.84 0.77 1.02 0.75 0.79 0.85 1.00 1.73 1.22 0.93 0.74 0.7214 0.95 0.76 0.98 0.76 0.82 0.86 0.97 1.26 1.40 0.88 0.73 0.7115 0.95 0.73 0.98 0.78 0.80 0.93 0.94 1.26 1.47 0.87 0.73 0.7016 0.85 0.75 1.59 0.77 0.75 1.02 0.97 1.18 1.27 0.86 0.72 0.7017 0.94 0.74 1.19 0.75 0.74 0.95 0.91 1.26 4.95 0.86 0.72 0.6918 0.81 0.93 1.05 0.80 0.73 0.86 0.90 1.07 1.96 0.87 0.72 0.6919 0.81 1.33 1.03 0.82 0.73 0.83 1.40 1.10 1.56 0.86 0.72 0.8920 0.85 1.04 1.02 0.85 0.75 0.81 1.00 1.17 1.41 0.85 0.71 0.8521 0.76 1.22 0.96 0.84 0.74 0.79 0.95 1.22 1.30 0.84 0.71 0.8722 0.76 1.07 0.97 0.85 0.77 0.78 0.91 1.11 1.22 0.83 0.70 0.9923 0.90 1.30 0.92 1.01 0.72 0.78 0.92 1.05 1.17 0.82 0.70 1.0024 0.84 1.11 0.90 0.85 0.75 0.77 0.87 1.00 1.14 0.82 0.70 0.9725 0.80 1.00 0.88 0.83 0.82 0.76 0.87 0.96 1.11 0.81 0.71 0.8926 0.80 0.97 0.88 0.80 1.11 -9.99 0.87 0.94 1.08 0.83 0.72 0.8527 0.74 0.91 0.86 1.08 0.82 -9.99 0.84 0.92 1.06 0.81 0.71 0.9528 0.74 0.92 0.84 1.05 0.82 -9.99 0.85 0.92 1.03 0.80 0.89 0.9429 0.79 0.89 0.83 0.95 0.82 -9.99 0.84 0.90 1.01 0.80 1.20 0.9130 0.84 0.86 0.82 0.95 0.81 0.89 0.99 0.88 1.00 0.79 0.8931 0.91 0.85 0.78 0.92 0.97 0.78 0.95

Maximum Gage Height 4.95 Meters on 17/12/2007Minimum Gage Height Meters on Instantaneous Maximum Gage Height 5.40 Meters on 17/12/2007

Remark: the value -9.99 is indicated the missing data

MAE NAM PATTANI AT BAN K.M. 29 (240202)Daily Gage Height in Meters for Water Year 2007

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SUSPENDED SEDIMENT DATA

Page 32: HYDROLOGICAL YEARBOOK WATER YEAR 2007water.egat.co.th/yearBook/yearbook_report/YEARBOOK2007...YEARBOOK WATER YEAR 2007 Water Resources Management Department Survey Division Electricity

DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 0.2 0.2 5.2 11.6 4.8 10.4 23.5 7.4 0.9 0.2 0.3 0.2

2 0.1 0.1 2.0 8.1 8.4 8.8 20.3 6.8 0.9 0.2 0.9 0.2

3 0.1 0.1 1.2 6.2 10.4 7.0 16.8 6.0 0.9 0.2 1.8 0.2

4 0.1 0.2 1.1 9.9 6.3 5.6 15.0 5.3 0.9 0.2 1.0 0.2

5 0.1 0.3 0.6 6.8 4.8 5.2 74.0 5.2 0.8 0.2 0.6 0.2

6 0.1 1.0 1.6 5.7 4.0 5.6 365.0 4.7 0.8 0.2 0.4 0.2

7 0.2 1.2 0.6 6.3 3.3 16.8 233.0 4.3 0.7 0.2 0.2 0.2

8 0.2 3.0 0.4 4.8 4.0 12.2 167.0 4.0 0.6 0.2 0.2 0.2

9 0.1 0.9 0.3 3.9 56.2 9.3 109.0 3.7 0.6 0.2 0.2 0.2

10 0.1 0.3 0.3 3.3 94.0 24.5 100.0 3.3 0.6 0.2 0.2 0.1

11 0.1 0.2 0.2 2.8 64.1 144.0 102.0 3.0 0.6 0.2 0.2 0.1

12 0.2 0.2 0.2 2.5 28.6 71.1 75.5 2.8 0.5 0.2 0.1 0.1

13 0.3 1.0 0.2 2.2 22.2 31.4 64.7 2.7 0.4 0.2 0.2 0.1

14 0.2 2.7 0.2 2.1 17.1 24.9 49.6 2.6 0.5 0.2 0.2 0.1

15 0.2 0.8 0.2 1.8 12.8 37.0 40.4 2.7 0.4 0.2 0.2 0.2

16 0.2 0.6 0.2 1.6 11.1 38.8 31.4 2.4 0.4 0.2 0.2 0.2

17 0.1 1.2 1.4 1.4 11.4 31.8 26.3 2.2 0.4 0.2 0.1 0.3

18 0.1 1.9 1.1 1.2 11.1 22.2 22.8 2.0 0.4 0.1 0.1 0.3

19 0.1 4.9 0.5 1.2 8.8 37.0 19.7 1.9 0.4 0.2 0.2 0.2

20 0.1 1.3 4.0 1.1 6.6 38.4 17.8 1.8 0.4 0.3 0.2 0.2

21 0.1 0.7 0.8 1.7 8.4 26.0 16.3 1.7 0.4 0.1 0.2 0.1

22 0.1 0.4 9.0 1.3 12.0 20.3 15.0 1.6 0.4 0.1 0.2 0.1

23 0.0 0.3 1.4 1.1 7.8 17.5 13.4 1.5 0.3 0.2 0.2 0.1

24 0.0 0.2 2.2 1.0 7.9 14.8 12.4 1.4 0.3 0.1 0.1 0.1

25 0.0 0.2 3.0 1.1 5.9 12.6 11.1 1.2 0.3 0.2 0.1 0.1

26 0.0 0.2 3.5 0.9 5.0 26.0 10.2 1.0 0.2 0.2 0.1 0.2

27 0.0 0.2 19.4 0.8 4.4 41.8 9.3 1.0 0.3 0.2 0.2 0.1

28 0.0 0.3 103.0 0.7 4.1 56.2 8.5 1.0 0.3 0.1 0.2 0.1

29 0.2 4.1 92.3 23.2 4.3 41.3 8.1 0.9 0.2 0.1 0.2 0.1

30 0.2 8.4 21.5 28.2 9.8 33.5 7.5 0.9 0.2 0.1 0.1

31 1.7 10.6 6.3 6.7 0.2 0.3 0.1

Total 3.5 38.8 277.6 155.1 465.9 872.0 1,692.3 87.0 15.2 5.7 9.0 4.9Annual Suspended Sediment Discharges = 3,619.0 Tons

Rating Equation : Qsed = 2.414 *Q 1.386

HUAI LAM CHA NANG AT BAN NONG SANOON (021201)Daily Suspended Sediment Discharges in Tons for Water Year 2007

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DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 0.3 45.5 6,150.0 4,340.0 1,850.0 13,100.0 43,100.0 2,950.0 1,220.0 321.0 275.0 108.0

2 3.8 37.6 7,000.0 2,710.0 1,640.0 12,900.0 19,700.0 3,260.0 1,190.0 297.0 650.0 93.5

3 3.2 24.4 4,620.0 1,980.0 2,070.0 9,150.0 10,400.0 3,260.0 1,130.0 264.0 1,380.0 93.5

4 4.5 35.2 3,710.0 1,530.0 2,370.0 6,620.0 6,870.0 6,040.0 1,080.0 254.0 815.0 108.0

5 3.8 264.0 2,710.0 1,250.0 1,850.0 4,620.0 10,200.0 15,900.0 1,050.0 244.0 709.0 103.0

6 3.8 4,820.0 4,920.0 953.0 1,640.0 5,830.0 36,000.0 13,100.0 1,000.0 244.0 501.0 108.0

7 3.8 17,000.0 7,130.0 1,280.0 1,530.0 9,970.0 65,100.0 8,270.0 953.0 254.0 333.0 108.0

8 2.7 15,700.0 4,530.0 1,600.0 1,020.0 11,200.0 45,200.0 5,720.0 977.0 244.0 346.0 113.0

9 0.4 27,800.0 2,370.0 1,350.0 1,530.0 7,130.0 31,900.0 4,620.0 929.0 234.0 333.0 108.0

10 0.1 25,400.0 1,380.0 1,080.0 6,260.0 4,430.0 24,500.0 3,710.0 860.0 226.0 244.0 141.0

11 0.0 12,500.0 1,250.0 882.0 7,630.0 2,890.0 65,100.0 3,010.0 815.0 194.0 194.0 147.0

12 0.7 16,800.0 860.0 614.0 6,380.0 2,710.0 60,100.0 2,770.0 750.0 179.0 173.0 153.0

13 2.2 29,800.0 1,280.0 531.0 3,710.0 3,010.0 78,400.0 2,540.0 689.0 166.0 166.0 135.0

14 3.2 41,700.0 1,450.0 473.0 2,420.0 5,320.0 59,000.0 2,370.0 579.0 173.0 159.0 135.0

15 3.2 90,000.0 109,688.1 501.0 1,420.0 7,760.0 36,000.0 2,320.0 531.0 153.0 135.0 129.0

16 5.3 64,400.0 1,420.0 395.0 1,130.0 8,410.0 32,300.0 2,480.0 614.0 173.0 118.0 103.0

17 7.8 34,200.0 1,000.0 473.0 1,250.0 11,000.0 31,900.0 2,320.0 689.0 179.0 113.0 51.3

18 12.0 27,500.0 1,020.0 546.0 7,130.0 8,540.0 25,400.0 2,210.0 669.0 173.0 113.0 32.9

19 12.0 29,800.0 1,190.0 395.0 4,170.0 46,100.0 18,200.0 1,980.0 669.0 201.0 108.0 28.4

20 12.0 17,500.0 1,160.0 321.0 3,320.0 89,100.0 12,900.0 2,210.0 596.0 217.0 113.0 24.4

21 10.9 10,100.0 1,380.0 433.0 2,710.0 317,297.6 9,640.0 2,210.0 579.0 209.0 113.0 20.8

22 8.8 6,870.0 1,450.0 750.0 3,380.0 102,631.2 8,690.0 2,830.0 546.0 209.0 113.0 20.8

23 5.3 4,920.0 1,130.0 1,050.0 2,710.0 40,200.0 7,510.0 3,930.0 546.0 209.0 113.0 19.1

24 2.7 2,770.0 669.0 929.0 3,190.0 18,400.0 6,040.0 3,130.0 563.0 226.0 118.0 26.4

25 1.8 1,560.0 977.0 2,170.0 4,080.0 11,000.0 4,920.0 2,590.0 531.0 194.0 108.0 32.9

26 0.9 1,130.0 750.0 2,420.0 4,170.0 6,870.0 4,170.0 2,260.0 486.0 179.0 103.0 42.8

27 2.2 860.0 1,350.0 2,540.0 5,720.0 6,500.0 3,710.0 1,810.0 408.0 194.0 88.9 54.5

28 9.8 793.0 10,200.0 1,530.0 6,260.0 9,150.0 3,450.0 1,560.0 358.0 209.0 88.9 54.5

29 7.8 689.0 21,100.0 1,130.0 7,000.0 53,700.0 3,010.0 1,420.0 333.0 226.0 98.3 57.7

30 9.8 977.0 9,970.0 2,070.0 8,270.0 60,100.0 2,890.0 1,310.0 321.0 297.0 51.3

31 1,280.0 2,170.0 8,540.0 2,830.0 321.0 244.0 42.8

Total 144.8 487,275.7 213,814.1 40,396.0 116,350.0 895,638.8 769,130.0 114,090.0 21,982.0 6,786.0 7,922.1 2,446.6

Annual Suspended Sediment Discharges = 2,675,976.1 Tons

Rating Equation : Qsed = 0.019 *Q 2.295

MAE NAM PING AT BAN KONG HIN (061101)Daily Suspended Sediment Discharges in Tons for Water Year 2007

Page 34: HYDROLOGICAL YEARBOOK WATER YEAR 2007water.egat.co.th/yearBook/yearbook_report/YEARBOOK2007...YEARBOOK WATER YEAR 2007 Water Resources Management Department Survey Division Electricity

DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 0.9 9.3 38.8 78.1 250.0 2,790.0 1,110.0 130.0 16.0 4.2 0.6 0.2

2 0.5 6.2 35.9 78.1 211.0 1,360.0 1,070.0 122.0 16.0 3.7 2.2 0.2

3 0.3 4.7 20.4 78.1 721.0 2,950.0 1,160.0 115.0 14.8 3.7 5.7 0.1

4 0.0 9.3 16.0 73.2 224.0 2,320.0 2,710.0 107.0 13.7 3.3 9.3 0.1

5 0.0 26.1 122.0 573.0 139.0 2,110.0 187,965.2 101.0 13.7 3.3 8.6 0.2

6 1.1 35.9 236.0 224.0 107.0 11,000.0 73,200.0 88.9 13.7 2.9 6.2 0.1

7 0.5 200.0 83.3 139.0 78.1 13,300.0 17,000.0 83.3 12.6 2.9 4.2 0.1

8 0.5 189.0 130.0 107.0 68.5 3,500.0 6,440.0 73.2 12.6 2.5 3.7 0.1

9 0.4 52.1 52.1 88.9 942.0 1,510.0 4,630.0 68.5 11.7 2.5 3.3 0.1

10 0.3 30.6 28.3 68.5 4,880.0 6,930.0 17,600.0 64.1 11.7 2.5 2.5 0.1

11 1.6 20.4 122.0 310.0 1,460.0 3,600.0 10,800.0 55.9 10.8 2.5 2.2 0.0

12 2.9 88.9 294.0 101.0 659.0 1,560.0 4,630.0 52.1 10.8 2.2 1.9 0.0

13 5.7 88.9 178.0 68.5 426.0 4,630.0 2,250.0 48.5 10.0 2.2 1.3 0.0

14 3.3 64.1 68.5 78.1 294.0 4,510.0 2,180.0 48.5 9.3 2.2 1.3 0.0

15 6.8 41.8 68.5 1,310.0 211.0 5,280.0 1,850.0 45.1 8.6 1.9 1.1 0.0

16 6.2 279.0 33.1 236.0 167.0 9,920.0 1,460.0 41.8 8.6 1.9 0.9 0.0

17 7.9 448.0 55.9 167.0 426.0 5,280.0 1,110.0 38.8 7.9 1.9 0.8 0.0

18 3.3 157.0 45.1 236.0 7,610.0 2,470.0 901.0 35.9 7.9 1.9 0.8 0.0

19 1.1 101.0 426.0 122.0 1,460.0 4,750.0 1,070.0 33.1 7.9 1.6 0.6 0.0

20 0.8 178.0 1,670.0 101.0 629.0 25,900.0 721.0 30.6 7.3 1.6 0.6 0.0

21 0.4 68.5 310.0 547.0 383.0 7,960.0 547.0 28.3 7.3 1.3 0.5 0.1

22 0.4 48.5 167.0 148.0 862.0 2,870.0 448.0 28.3 6.8 1.3 0.4 0.1

23 0.3 35.9 115.0 101.0 629.0 1,850.0 383.0 26.1 6.2 1.3 0.4 0.1

24 0.2 41.8 83.3 115.0 1,780.0 1,310.0 345.0 24.0 5.7 1.3 0.4 0.0

25 0.1 20.4 64.1 189.0 1,730.0 1,020.0 294.0 26.1 4.7 1.1 0.4 0.0

26 0.0 14.8 83.3 122.0 573.0 824.0 264.0 22.2 4.7 1.1 0.3 0.0

27 0.1 14.8 250.0 78.1 404.0 1,210.0 224.0 18.9 4.7 0.9 0.2 -99.9

28 5.7 10.8 139.0 68.5 721.0 2,790.0 200.0 18.9 4.7 0.9 0.2 -99.9

29 2.9 10.0 122.0 78.1 3,210.0 4,260.0 178.0 17.4 4.7 0.9 0.2 -99.9

30 7.9 38.8 88.9 383.0 942.0 2,180.0 157.0 17.4 4.7 0.8 -99.9

31 78.1 236.0 1,110.0 139.0 4.7 0.8 -99.9

Total 62.1 2,412.7 5,146.5 6,303.2 33,306.6 141,944.0 343,036.2 1,610.9 284.5 63.1 60.8

Annual Suspended Sediment Discharges = Tons

Rating Equation : Qsed = 0.176 *Q 2.117

Remark: the value -99.99 is indicated the missing data

MAE NAM KHEK AT BAN PONG BON (091601)Daily Suspended Sediment Discharges in Tons for Water Year 2007

Page 35: HYDROLOGICAL YEARBOOK WATER YEAR 2007water.egat.co.th/yearBook/yearbook_report/YEARBOOK2007...YEARBOOK WATER YEAR 2007 Water Resources Management Department Survey Division Electricity

DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 2,640.0 2,660.0 2,280.0 1,590.0 1,210.0 1,990.0 1,540.0 1,830.0 1,870.0 636.0 1,630.0 2,180.0

2 2,580.0 1,720.0 2,510.0 1,180.0 1,250.0 1,820.0 1,540.0 1,730.0 1,710.0 579.0 1,620.0 1,930.0

3 2,630.0 2,680.0 2,050.0 1,460.0 1,250.0 1,690.0 1,550.0 1,790.0 1,000.0 1,070.0 1,480.0 1,680.0

4 2,800.0 2,740.0 2,160.0 1,370.0 1,160.0 1,960.0 1,580.0 1,710.0 1,580.0 1,400.0 1,140.0 2,250.0

5 2,630.0 2,940.0 2,390.0 1,550.0 912.0 2,110.0 1,560.0 1,170.0 1,390.0 1,520.0 1,720.0 2,150.0

6 2,820.0 2,600.0 2,380.0 3,490.0 924.0 2,030.0 2,130.0 1,740.0 1,250.0 1,620.0 1,630.0 2,270.0

7 2,660.0 2,670.0 2,340.0 4,000.0 1,410.0 2,350.0 1,600.0 1,800.0 1,340.0 1,280.0 2,120.0 2,300.0

8 2,630.0 2,860.0 2,230.0 2,080.0 1,370.0 2,130.0 1,310.0 1,780.0 1,620.0 1,480.0 1,720.0 2,300.0

9 2,640.0 2,700.0 2,430.0 1,390.0 1,860.0 1,870.0 1,750.0 1,820.0 1,620.0 1,310.0 1,690.0 2,290.0

10 2,740.0 2,750.0 2,150.0 1,620.0 5,800.0 1,770.0 1,640.0 1,810.0 1,470.0 1,350.0 1,870.0 1,970.0

11 2,850.0 2,690.0 2,100.0 1,370.0 3,950.0 2,010.0 2,430.0 1,500.0 1,230.0 1,330.0 1,540.0 2,180.0

12 2,490.0 2,610.0 2,390.0 1,390.0 3,370.0 1,960.0 2,840.0 1,210.0 1,310.0 1,210.0 2,290.0 2,370.0

13 2,290.0 2,550.0 2,200.0 1,380.0 2,820.0 1,980.0 2,420.0 1,830.0 1,510.0 1,140.0 2,060.0 2,450.0

14 1,620.0 2,510.0 2,080.0 1,700.0 2,550.0 2,010.0 2,710.0 2,130.0 1,490.0 784.0 2,100.0 2,320.0

15 2,130.0 2,840.0 2,190.0 1,630.0 2,370.0 1,960.0 1,960.0 1,810.0 1,560.0 1,370.0 2,100.0 2,400.0

16 2,040.0 3,010.0 1,780.0 1,280.0 2,120.0 1,650.0 2,060.0 1,810.0 1,450.0 1,360.0 2,040.0 2,490.0

17 2,820.0 3,050.0 1,400.0 1,580.0 2,600.0 1,670.0 1,940.0 1,800.0 1,740.0 1,180.0 1,940.0 1,900.0

18 2,880.0 2,870.0 1,340.0 1,510.0 3,350.0 2,210.0 1,800.0 1,780.0 1,570.0 1,410.0 1,670.0 2,170.0

19 2,670.0 2,920.0 1,750.0 1,460.0 3,000.0 2,020.0 1,870.0 1,250.0 1,710.0 1,330.0 2,030.0 2,150.0

20 2,730.0 2,550.0 1,800.0 1,510.0 1,450.0 2,000.0 1,800.0 1,800.0 1,520.0 1,130.0 2,140.0 2,460.0

21 2,890.0 2,560.0 1,720.0 1,390.0 1,890.0 2,200.0 1,460.0 1,790.0 1,320.0 1,040.0 2,070.0 2,470.0

22 2,770.0 2,730.0 1,750.0 1,310.0 3,230.0 2,420.0 1,160.0 2,230.0 1,230.0 1,230.0 2,050.0 2,420.0

23 2,390.0 2,820.0 1,650.0 1,020.0 3,110.0 2,020.0 1,570.0 2,190.0 1,410.0 1,230.0 2,150.0 2,670.0

24 2,740.0 2,910.0 1,570.0 1,620.0 1,870.0 1,530.0 1,450.0 2,250.0 1,130.0 1,630.0 2,090.0 1,990.0

25 2,880.0 2,810.0 1,110.0 1,520.0 1,800.0 2,180.0 1,980.0 2,290.0 1,060.0 1,690.0 1,530.0 2,530.0

26 2,930.0 2,820.0 1,340.0 1,400.0 1,520.0 2,110.0 1,530.0 1,620.0 1,080.0 1,680.0 2,100.0 2,650.0

27 2,880.0 2,370.0 1,250.0 1,340.0 1,290.0 2,070.0 1,680.0 1,980.0 1,340.0 1,260.0 2,500.0 2,660.0

28 2,870.0 2,530.0 1,570.0 1,270.0 2,060.0 2,030.0 1,610.0 1,940.0 1,460.0 852.0 2,180.0 2,590.0

29 2,730.0 2,340.0 1,360.0 1,250.0 2,120.0 2,010.0 948.0 1,850.0 1,270.0 1,460.0 2,240.0 2,990.0

30 2,840.0 2,290.0 1,640.0 1,210.0 2,020.0 1,830.0 1,870.0 1,870.0 924.0 1,670.0 2,980.0

31 2,390.0 1,260.0 2,050.0 1,850.0 733.0 1,690.0 2,670.0

Total 79,210.0 82,490.0 56,910.0 49,130.0 67,686.0 59,590.0 55,138.0 54,110.0 42,897.0 39,921.0 55,440.0 72,830.0Annual Suspended Sediment Discharges = 715,352.0 Tons

Rating Equation : Qsed = 5.6027 *Q 1.0412

MAE NAM KHWAE NOI AT BAN PHU TOEI (141101)Daily Suspended Sediment Discharges in Tons for Water Year 2007

Page 36: HYDROLOGICAL YEARBOOK WATER YEAR 2007water.egat.co.th/yearBook/yearbook_report/YEARBOOK2007...YEARBOOK WATER YEAR 2007 Water Resources Management Department Survey Division Electricity

DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 333.0 93.4 244.0 93.4 102.0 396.0 546.0 170.0 158.0 295.0 69.3 314.0

2 56.0 76.8 184.0 84.8 93.4 374.0 574.0 260.0 145.0 260.0 134.0 123.0

3 134.0 50.1 244.0 84.8 76.8 134.0 244.0 228.0 134.0 260.0 170.0 84.8

4 170.0 35.2 659.0 76.8 69.3 102.0 145.0 419.0 134.0 244.0 84.8 62.4

5 39.7 35.2 419.0 69.3 56.0 84.8 123.0 333.0 123.0 228.0 69.3 50.1

6 27.3 31.1 333.0 62.4 50.1 62.4 123.0 519.0 1,010.0 213.0 62.4 39.7

7 24.0 27.3 443.0 62.4 50.1 184.0 134.0 396.0 6,690.0 198.0 56.0 56.0

8 20.9 24.0 333.0 62.4 44.7 145.0 102.0 314.0 1,580.0 198.0 50.1 76.8

9 20.9 123.0 295.0 62.4 44.7 112.0 76.8 260.0 1,620.0 184.0 50.1 50.1

10 56.0 840.0 493.0 69.3 39.7 123.0 84.8 228.0 1,280.0 158.0 44.7 44.7

11 69.3 134.0 519.0 56.0 39.7 76.8 84.8 443.0 1,360.0 468.0 44.7 35.2

12 50.1 76.8 546.0 50.1 35.2 62.4 170.0 1,400.0 2,010.0 295.0 44.7 35.2

13 123.0 62.4 419.0 50.1 76.8 134.0 374.0 3,750.0 1,010.0 244.0 44.7 35.2

14 277.0 56.0 333.0 56.0 102.0 145.0 314.0 1,160.0 1,760.0 170.0 39.7 31.1

15 277.0 39.7 333.0 69.3 84.8 244.0 260.0 1,160.0 2,110.0 158.0 39.7 27.3

16 134.0 50.1 2,820.0 62.4 50.1 419.0 314.0 873.0 1,200.0 145.0 35.2 27.3

17 260.0 44.7 906.0 50.1 44.7 277.0 213.0 1,160.0 69,100.0 145.0 35.2 24.0

18 93.4 244.0 493.0 84.8 39.7 145.0 198.0 546.0 5,570.0 158.0 35.2 24.0

19 93.4 1,450.0 443.0 102.0 39.7 112.0 1,760.0 630.0 2,640.0 145.0 35.2 184.0

20 134.0 468.0 419.0 134.0 50.1 93.4 374.0 840.0 1,810.0 134.0 31.1 134.0

21 56.0 1,010.0 295.0 123.0 44.7 76.8 277.0 1,010.0 1,320.0 123.0 31.1 158.0

22 56.0 546.0 314.0 134.0 62.4 69.3 213.0 659.0 1,010.0 112.0 27.3 353.0

23 198.0 1,320.0 228.0 396.0 35.2 69.3 228.0 493.0 840.0 102.0 27.3 374.0

24 123.0 659.0 198.0 134.0 50.1 62.4 158.0 374.0 747.0 102.0 27.3 314.0

25 84.8 374.0 170.0 112.0 102.0 56.0 158.0 295.0 659.0 93.4 31.1 184.0

26 84.8 314.0 170.0 84.8 659.0 -99.9 158.0 260.0 574.0 112.0 35.2 134.0

27 44.7 213.0 145.0 574.0 102.0 -99.9 123.0 228.0 519.0 93.4 31.1 277.0

28 44.7 228.0 123.0 493.0 102.0 -99.9 134.0 228.0 443.0 84.8 184.0 260.0

29 76.8 184.0 112.0 277.0 102.0 -99.9 123.0 198.0 396.0 84.8 940.0 213.0

30 123.0 145.0 102.0 277.0 93.4 184.0 353.0 170.0 374.0 76.8 184.0

31 213.0 134.0 69.3 228.0 314.0 69.3 277.0

Total 3,284.8 9,167.8 12,735.0 4,181.6 2,611.7 8,367.4 19,004.0 108,640.0 5,353.5 2,510.5 4,186.9

Annual Suspended Sediment Discharges = TonsRating Equation : Qsed = 0.5926 *Q 1.7448

Remark: the value -99.99 is indicated the missing data

MAE NAM PATTANI AT BAN K.M.29 (240202)Daily Suspended Sediment Discharges in Tons for Water Year 2007

Page 37: HYDROLOGICAL YEARBOOK WATER YEAR 2007water.egat.co.th/yearBook/yearbook_report/YEARBOOK2007...YEARBOOK WATER YEAR 2007 Water Resources Management Department Survey Division Electricity

RAINFALL DATA

Page 38: HYDROLOGICAL YEARBOOK WATER YEAR 2007water.egat.co.th/yearBook/yearbook_report/YEARBOOK2007...YEARBOOK WATER YEAR 2007 Water Resources Management Department Survey Division Electricity

DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 0.0 0.0 0.0 0.0 10.4 0.0 5.0 5.8 0.0 0.0 4.5 0.02 0.0 21.8 0.0 0.0 2.0 0.0 0.0 0.0 0.0 0.0 13.0 0.03 0.0 14.5 5.3 0.0 0.0 22.2 5.4 0.0 0.0 0.0 7.3 0.04 2.1 10.3 0.0 10.4 0.0 1.5 40.0 0.0 0.0 0.0 0.3 0.05 0.0 5.1 6.5 0.0 0.7 4.4 17.2 0.0 0.0 0.0 0.0 0.06 8.0 10.0 0.0 0.0 1.3 3.5 0.0 0.0 0.0 0.0 0.0 0.07 0.0 2.9 0.0 0.0 16.2 0.0 0.0 0.0 0.0 0.0 0.0 0.08 1.0 0.0 0.0 0.0 42.4 0.0 3.6 0.0 0.0 0.0 0.0 0.09 1.9 6.6 0.0 1.8 0.3 8.2 34.1 0.0 0.0 0.0 0.0 0.0

10 1.2 0.0 0.0 31.5 1.0 0.5 23.5 0.0 0.0 0.0 0.0 0.011 5.0 30.2 11.6 0.0 3.0 7.2 9.6 0.0 0.0 0.0 0.0 0.012 16.0 18.3 0.0 0.0 0.0 3.5 17.4 0.0 0.0 0.0 0.0 0.013 3.5 1.5 0.0 0.0 0.0 0.0 22.5 1.0 0.0 0.0 0.0 0.014 8.0 0.0 0.0 0.0 0.0 10.0 8.7 0.0 0.0 0.0 0.0 0.015 0.0 1.7 0.0 0.0 1.2 17.2 0.5 0.0 0.0 0.0 0.0 0.016 0.0 7.7 4.9 0.0 15.4 2.1 0.0 0.0 0.0 0.0 0.0 1.617 1.0 15.6 0.0 0.6 29.5 0.0 0.0 0.0 0.0 0.0 0.0 0.018 9.9 9.0 39.6 0.0 0.0 6.7 0.0 2.7 0.0 0.0 0.0 0.019 0.0 2.0 3.9 0.0 0.0 69.8 0.0 0.0 0.0 0.0 0.0 0.020 0.0 0.0 0.0 0.0 8.0 4.5 0.0 0.0 0.0 0.0 0.0 3.121 0.0 0.0 0.0 29.0 28.3 0.0 0.0 0.0 0.0 0.0 0.0 0.022 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.023 0.0 0.0 0.0 6.2 0.8 0.0 0.0 0.0 0.0 0.0 0.0 0.724 0.0 0.0 1.2 0.0 0.6 0.0 0.0 0.0 0.0 8.8 0.0 0.025 3.5 0.0 8.4 28.2 3.0 0.0 0.0 0.0 0.0 0.0 0.0 16.626 0.0 0.0 2.7 9.1 21.2 0.8 0.0 0.0 0.0 1.1 0.0 0.027 2.2 5.0 7.8 38.3 0.0 34.1 0.0 0.0 0.0 0.1 0.0 0.228 4.0 18.2 0.0 3.3 22.0 18.6 0.0 0.0 0.0 0.0 0.0 7.429 4.0 7.2 3.0 2.3 6.7 30.2 0.0 0.0 0.0 0.0 0.0 0.030 1.6 0.0 0.8 0.0 4.3 0.6 2.6 0.0 0.0 0.2 0.031 0.0 0.0 0.0 10.3 0.0 0.0 19.0

Total 72.9 187.6 95.7 160.7 218.3 245.6 200.4 9.5 0.0 10.2 25.1 48.6Rainy Day 0 18 12 11 21 19 14 3 0 4 4 7Annual 1274.6 Total Rainy Day 113

MAX 1 DAY RAINFALL 69.80 MM. 19 Sep MAX 2 DAY RAINFALL 76.50 MM. 18 Sep

MAX 3 DAY RAINFALL 82.90 MM. 27 Sep MAX 4 DAY RAINFALL 84.60 MM. 9 Oct

MAX 5 DAY RAINFALL 107.10 MM. 9 Oct MAX 6 DAY RAINFALL 115.80 MM. 9 Oct

MAX 7 DAY RAINFALL 119.40 MM. 8 Oct MAX 8 DAY RAINFALL 133.90 MM. 27 Sep

MAX 9 DAY RAINFALL 151.10 MM. 27 Sep MAX 10 DAY RAINFALL 167.90 MM. 4 Oct

Average 1969-2007Monthly 136.2 233.4 120.9 122.6 187.0 297.2 190.6 41.1 9.6 5.4 18.1 65.5Annual 1427.6

Daily Rainfall Data in Millimeters for Water Year 2007

Chulabhorn Dam, A. Khon San, Chaiyaphum (905284)

Page 39: HYDROLOGICAL YEARBOOK WATER YEAR 2007water.egat.co.th/yearBook/yearbook_report/YEARBOOK2007...YEARBOOK WATER YEAR 2007 Water Resources Management Department Survey Division Electricity

DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 0.0 0.3 0.0 0.0 6.9 0.0 0.0 10.5 0.0 0.0 5.0 0.02 0.0 2.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 5.5 0.03 0.0 2.8 2.0 4.7 0.0 0.0 4.5 0.0 0.0 0.0 0.0 0.04 0.0 11.8 0.0 2.2 0.0 0.0 22.8 0.0 0.0 0.0 0.0 0.05 0.0 4.3 0.0 0.0 5.5 4.0 20.9 0.0 0.0 0.0 0.0 0.06 0.0 28.0 0.0 0.0 0.5 0.0 0.0 0.0 0.0 0.0 0.0 0.07 0.0 5.5 0.0 0.0 6.5 0.0 1.8 0.0 0.0 0.0 0.0 0.08 0.0 2.0 0.0 0.0 39.5 0.8 1.0 0.0 0.0 0.0 0.0 0.09 0.0 0.0 0.0 0.0 0.0 5.5 9.3 0.0 0.0 0.0 0.0 0.010 3.3 0.0 13.0 0.0 3.5 26.0 16.2 0.0 0.0 0.0 0.0 0.011 22.5 3.2 0.0 1.2 1.0 6.0 2.8 0.0 0.0 0.0 0.0 0.012 15.7 16.0 10.7 0.0 0.0 0.0 18.0 0.0 0.0 0.0 0.0 0.013 0.0 4.0 0.0 0.0 0.0 0.0 12.0 0.0 0.0 0.0 0.0 0.014 14.5 0.0 13.3 0.0 0.5 20.5 13.8 0.0 0.0 0.0 0.0 0.015 4.5 12.5 0.0 0.0 2.1 3.1 0.0 0.0 0.0 0.0 0.0 0.016 0.0 3.0 1.5 0.0 39.5 0.1 0.1 0.1 0.0 0.0 0.0 0.017 0.0 0.0 0.0 0.8 2.8 0.0 0.0 0.0 0.0 0.0 0.0 0.018 2.0 0.0 2.1 12.5 0.0 36.3 0.0 0.4 0.0 0.0 0.0 0.019 0.0 0.7 7.9 0.0 0.0 37.3 0.0 0.0 0.0 0.0 0.0 0.020 0.8 0.0 5.5 0.0 0.0 3.1 0.0 0.0 0.0 0.0 0.0 0.621 0.0 0.0 0.0 6.0 13.0 0.0 0.0 0.0 0.0 0.0 0.0 0.022 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.023 0.3 0.0 0.0 3.6 0.5 0.0 0.0 0.0 0.0 0.0 0.0 0.024 0.0 0.0 7.0 0.0 21.3 0.0 0.0 0.0 0.0 0.0 0.0 0.025 2.5 0.0 38.3 10.0 45.0 0.0 0.0 0.0 0.0 0.0 0.0 0.026 0.0 19.5 0.0 0.8 0.0 20.0 0.0 0.0 0.0 0.0 0.0 1.027 0.0 0.1 4.2 0.0 6.2 13.0 0.0 0.0 0.0 0.0 0.0 0.528 0.0 9.0 0.0 0.0 20.0 15.0 0.0 0.0 0.0 0.0 0.0 5.529 16.8 23.4 1.3 47.2 6.5 14.0 2.5 0.0 0.0 0.0 0.0 0.030 0.0 0.0 0.0 9.2 2.3 0.0 2.3 0.0 0.0 0.0 0.031 0.0 0.0 0.0 6.6 0.0 0.0 0.0

Total 82.9 148.6 106.8 98.2 223.1 204.7 134.6 11.0 0.0 0.0 10.5 7.6Rainy Day 10 18 12 11 19 15 15 3 0 0 2 4Annual 1028.0 Total Rainy Day 109

MAX 1 DAY RAINFALL 47.20 MM. 29 Jul MAX 2 DAY RAINFALL 73.60 MM. 18 Sep

MAX 3 DAY RAINFALL 76.70 MM. 18 Sep MAX 4 DAY RAINFALL 76.70 MM. 17 Sep

MAX 5 DAY RAINFALL 92.50 MM. 24 Aug MAX 6 DAY RAINFALL 99.00 MM. 24 Aug

MAX 7 DAY RAINFALL 101.30 MM. 24 Aug MAX 8 DAY RAINFALL 106.00 MM. 21 Aug

MAX 9 DAY RAINFALL 112.50 MM. 21 Aug MAX 10 DAY RAINFALL 129.30 MM. 10 Sep

Average 1980-2007Monthly 102.3 190.5 137.8 107.8 168.1 235.5 173.4 29.0 9.0 3.1 16.7 45.7Annual 1219.1

Daily Rainfall Data in Millimeters for Water Year 2007

Huai Kum Dam, A. Kaset Sombun, Chaiyaphum (905354)

Page 40: HYDROLOGICAL YEARBOOK WATER YEAR 2007water.egat.co.th/yearBook/yearbook_report/YEARBOOK2007...YEARBOOK WATER YEAR 2007 Water Resources Management Department Survey Division Electricity

DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 0.0 0.7 0.0 0.0 1.2 7.9 0.0 0.0 0.0 0.0 22.4 0.02 0.0 4.0 0.6 0.2 0.9 5.2 0.0 0.0 0.0 0.0 0.0 0.03 0.0 35.5 0.8 2.4 0.0 4.6 0.0 3.2 0.0 0.0 0.0 0.04 0.0 76.2 0.0 0.4 3.0 0.3 7.0 2.4 0.0 0.0 0.0 0.05 0.0 25.9 6.7 0.0 1.0 0.3 9.5 0.0 0.0 0.0 0.0 0.26 0.0 25.5 0.3 1.8 0.0 4.1 0.3 0.0 0.0 0.0 0.0 0.07 0.0 13.2 0.0 1.0 0.0 0.0 6.6 0.0 0.0 0.0 0.0 0.08 0.0 58.5 0.0 0.0 43.5 0.4 0.0 0.0 0.0 0.0 0.0 0.09 0.0 21.4 0.0 0.0 24.8 0.0 0.3 0.0 0.0 0.0 0.0 0.0

10 0.0 11.4 2.1 0.0 1.6 0.2 20.4 0.0 0.0 0.0 0.0 0.011 0.0 15.6 0.0 0.0 1.1 1.7 9.9 0.0 0.0 0.0 0.0 0.012 0.0 11.6 16.0 0.4 1.0 0.0 9.6 0.0 0.0 0.0 0.0 0.013 0.0 18.8 0.0 0.0 0.0 0.0 26.5 1.2 0.0 0.0 0.0 0.014 0.0 6.8 0.0 2.5 0.0 12.4 1.8 0.3 0.0 0.0 0.0 0.015 0.0 3.4 0.0 0.6 1.3 0.5 12.8 0.6 0.0 0.0 0.0 0.016 0.0 0.5 0.0 0.4 4.1 8.6 1.2 0.0 0.0 0.0 0.0 0.017 0.0 11.9 0.0 0.0 0.5 6.2 0.4 0.0 0.0 0.0 0.0 0.018 0.0 3.4 0.2 0.2 0.0 5.8 0.0 0.5 0.0 0.0 0.0 0.019 0.7 1.9 2.5 0.0 1.0 30.8 1.0 0.7 0.0 0.0 0.0 0.020 0.0 2.4 5.1 3.8 5.6 23.7 0.0 0.0 0.0 0.0 0.0 0.021 0.0 1.1 0.4 5.6 3.4 0.0 0.0 13.0 0.0 0.0 0.0 0.022 0.0 0.2 15.2 0.0 2.1 0.0 0.0 0.0 0.0 0.0 0.0 0.023 0.0 0.0 0.0 10.4 8.8 0.0 0.0 0.0 0.0 0.0 0.0 0.024 0.0 0.0 0.0 17.5 1.0 0.0 0.0 0.0 0.0 0.0 0.0 2.125 1.2 0.0 3.1 0.0 7.6 0.0 0.0 0.0 0.0 0.0 0.0 0.026 1.0 0.0 16.8 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.027 27.8 0.0 23.1 0.0 13.3 0.0 0.0 0.0 0.0 0.0 0.0 0.028 0.6 0.1 0.7 2.2 0.5 18.8 0.0 0.0 0.0 1.0 0.0 0.029 15.5 0.6 2.4 5.5 9.7 12.3 0.0 0.0 0.0 0.0 0.0 0.030 0.0 10.3 0.0 0.0 8.9 1.5 0.0 0.0 0.0 0.0 0.031 4.6 0.2 2.5 0.5 0.0 4.3 1.1

Total 46.8 365.5 96.0 55.3 148.4 145.3 107.8 21.9 0.0 5.3 22.4 3.4Rainy Day 6 26 16 18 24 19 15 8 0 2 1 3Annual 1018.1 Total Rainy Day 138

MAX 1 DAY RAINFALL 76.20 MM. 4 MAY MAX 2 DAY RAINFALL 111.70 MM. 3 MAY

MAX 3 DAY RAINFALL 139.60 MM. 3 MAY MAX 4 DAY RAINFALL 163.10 MM. 3 MAY

MAX 5 DAY RAINFALL 199.30 MM. 4 MAY MAX 6 DAY RAINFALL 234.80 MM. 3 MAY

MAX 7 DAY RAINFALL 256.20 MM. 3 MAY MAX 8 DAY RAINFALL 267.60 MM. 3 MAY

MAX 9 DAY RAINFALL 283.20 MM. 3 MAY MAX 10 DAY RAINFALL 294.80 MM. 3 MAY

Average 1985-2007Monthly 1205.5 3282.5 1944.4 1907.5 3056.1 4590.7 3001.7 960.7 341.5 69.7 150.7 449.1Annual 20960.1

Daily Rainfall Data in Millimeters for Water Year 2003

Ban Kong Hin, A. Hot, Chiang Mai (907695)

Page 41: HYDROLOGICAL YEARBOOK WATER YEAR 2007water.egat.co.th/yearBook/yearbook_report/YEARBOOK2007...YEARBOOK WATER YEAR 2007 Water Resources Management Department Survey Division Electricity

DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 0.0 19.5 0.0 1.3 2.2 0.0 0.0 0.6 0.0 0.0 0.2 0.02 0.0 19.0 0.0 0.0 0.8 2.4 17.8 0.0 0.0 0.0 0.0 0.03 0.0 9.3 0.5 0.2 2.6 0.0 0.0 0.0 0.0 0.0 1.7 0.04 0.0 15.5 12.0 12.2 2.4 0.0 0.8 0.0 0.0 0.0 0.5 0.05 0.0 1.8 0.0 25.4 0.7 1.0 1.0 0.0 0.0 0.0 1.1 0.06 0.0 2.7 0.0 8.7 0.2 2.1 0.0 0.0 0.0 0.0 0.0 0.07 0.0 0.3 0.0 4.7 6.2 0.0 0.0 0.0 0.0 0.0 0.0 0.08 7.4 3.7 0.0 1.8 6.2 0.0 21.9 0.0 0.0 0.0 0.0 0.09 19.0 11.2 2.1 0.0 31.8 0.7 3.8 0.0 0.0 0.0 0.0 0.0

10 15.0 27.5 0.0 0.2 7.1 0.8 24.9 0.0 0.0 0.0 28.5 0.011 59.7 0.0 0.0 0.6 1.4 1.7 50.0 2.0 0.0 0.0 0.0 0.612 7.2 3.1 0.0 0.5 2.4 0.0 74.6 0.0 0.0 0.0 0.0 0.013 3.0 0.5 0.0 1.3 0.0 0.6 5.6 13.4 0.0 0.0 0.0 0.014 0.0 4.3 0.0 3.1 0.0 4.3 30.2 3.0 0.0 0.0 20.2 6.715 0.5 1.1 0.0 2.8 0.0 0.0 3.5 0.5 0.2 0.0 0.0 0.016 0.0 3.9 0.0 0.6 1.0 16.2 0.2 0.0 0.0 0.0 0.0 26.717 0.0 0.7 0.0 2.0 0.4 19.7 0.0 0.0 0.0 0.0 0.0 0.018 0.0 0.0 0.0 1.6 6.4 1.4 0.0 1.5 0.0 0.0 0.0 0.019 0.0 0.0 0.0 0.0 0.0 1.2 0.0 1.2 0.0 0.0 0.0 0.020 2.1 0.0 3.5 26.4 0.0 21.7 0.0 0.0 0.0 0.0 0.0 8.121 0.0 0.0 0.0 3.3 0.2 5.3 0.0 0.0 0.0 0.0 0.0 0.022 0.0 0.0 0.5 0.8 0.0 11.5 0.0 0.0 0.0 0.0 0.0 0.023 0.0 0.6 8.0 3.0 1.3 0.4 0.0 0.0 0.0 0.0 0.0 0.024 0.0 0.6 41.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.025 9.7 0.0 0.0 1.3 0.7 0.0 0.0 0.0 0.0 0.0 0.0 3.726 0.0 0.0 9.3 0.0 0.6 0.0 0.0 0.0 0.0 0.0 0.0 0.027 0.0 0.2 3.9 0.0 0.0 1.1 0.0 0.0 0.0 0.0 2.2 0.028 68.6 0.0 4.7 5.0 0.0 0.0 1.8 0.0 0.0 0.0 0.0 2.429 0.0 0.0 6.1 0.5 7.3 0.2 0.0 0.0 0.0 5.2 0.5 5.430 29.0 0.0 0.5 0.8 7.5 3.0 0.0 0.0 0.0 0.0 0.031 1.2 0.0 3.1 2.1 0.0 0.0 0.0

Total 221.2 126.7 92.6 108.1 92.5 95.3 238.2 22.2 0.2 5.2 54.9 53.6Rainy Day 0 20 12 24 22 19 14 7 1 1 8 7Annual 1110.7 Total Rainy Day 135

MAX 1 DAY RAINFALL 74.60 MM. 12 Oct MAX 2 DAY RAINFALL 124.60 MM. 11 Oct

MAX 3 DAY RAINFALL 149.50 MM. 10 Oct MAX 4 DAY RAINFALL 160.40 MM. 11 Oct

MAX 5 DAY RAINFALL 185.30 MM. 10 Oct MAX 6 DAY RAINFALL 189.10 MM. 9 Oct

MAX 7 DAY RAINFALL 211.00 MM. 8 Oct MAX 8 DAY RAINFALL 214.50 MM. 8 Oct

MAX 9 DAY RAINFALL 214.70 MM. 8 Oct MAX 10 DAY RAINFALL 214.70 MM. 7 Oct

Average 1970-2007Monthly 98.7 126.6 81.8 95.4 91.5 178.9 183.5 40.1 5.3 3.5 23.7 53.0Annual 982.0

Daily Rainfall Data in Millimeters for Water Year 2007

Srinagarind Dam, A. Sri Sawat, Kanchanaburi (913304)

Page 42: HYDROLOGICAL YEARBOOK WATER YEAR 2007water.egat.co.th/yearBook/yearbook_report/YEARBOOK2007...YEARBOOK WATER YEAR 2007 Water Resources Management Department Survey Division Electricity

DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 0.0 32.3 0.0 0.0 3.3 0.0 2.8 0.0 0.0 0.0 0.0 0.02 0.0 13.5 0.0 1.7 0.0 8.7 0.0 0.0 0.0 0.0 0.0 0.03 9.0 6.0 0.0 8.0 3.0 0.0 0.0 0.0 0.0 0.0 5.5 0.04 0.0 20.0 9.3 19.2 0.9 0.0 3.6 0.0 0.0 0.0 3.0 0.05 0.0 1.9 0.0 50.7 3.7 5.6 2.5 0.0 0.0 0.0 0.0 0.06 0.8 3.7 0.0 20.7 2.7 19.8 0.8 0.0 0.0 0.0 0.0 0.07 0.0 1.5 1.2 6.4 11.2 0.0 0.0 0.0 0.0 0.0 0.0 0.08 0.0 3.5 1.5 8.5 10.6 0.0 6.8 0.0 0.0 0.0 0.0 0.09 5.3 17.0 0.0 0.0 37.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0

10 4.4 34.5 0.0 1.0 8.7 3.0 39.4 0.0 0.0 0.0 0.0 0.011 0.2 3.6 0.0 1.5 2.0 12.8 7.7 0.0 0.0 0.0 5.9 0.012 3.2 14.5 0.0 2.3 7.0 1.2 15.8 0.0 0.0 0.0 0.0 0.013 3.0 0.0 0.0 10.7 0.0 0.0 1.8 20.6 0.0 0.0 0.0 0.014 0.5 5.0 16.8 2.1 0.0 2.1 29.5 0.0 0.0 0.0 48.4 2.215 1.6 1.0 0.0 0.0 0.0 0.5 18.6 2.8 0.0 0.0 0.0 0.016 6.2 10.5 0.0 12.1 2.8 14.3 0.0 0.0 0.0 0.0 0.0 0.017 0.0 0.8 0.0 2.0 1.2 6.2 0.0 0.0 0.0 0.0 0.0 0.018 0.0 0.7 1.3 0.0 23.8 7.0 0.0 0.6 0.0 0.0 0.0 0.019 0.0 0.0 11.5 0.0 0.0 4.6 0.0 1.2 0.0 0.0 0.0 0.020 13.4 0.0 0.6 8.5 8.4 8.1 0.0 0.0 0.0 0.0 0.0 8.221 0.0 0.0 0.0 3.4 1.2 2.8 0.0 0.0 0.0 0.0 0.0 13.722 0.0 0.9 2.6 0.0 1.3 2.2 0.0 0.0 0.0 0.0 0.0 0.023 0.0 0.8 17.4 28.2 33.4 1.3 0.0 0.0 0.0 0.0 0.0 0.024 5.8 0.5 23.4 0.5 4.0 0.7 0.0 0.0 0.0 0.0 0.0 18.825 16.6 0.0 7.6 4.2 15.2 0.0 0.0 0.0 0.0 0.0 0.0 42.226 0.0 5.5 14.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.027 0.0 0.5 9.3 0.0 0.0 1.6 0.0 0.0 0.0 0.0 3.5 0.028 8.0 1.0 7.6 14.3 0.0 12.2 0.0 0.0 0.0 0.0 0.0 0.029 3.2 0.0 18.3 0.9 3.2 0.6 0.0 0.0 0.0 10.8 2.8 15.230 7.6 1.2 0.8 0.0 6.5 2.5 0.0 0.0 0.0 0.0 17.131 0.0 2.0 2.4 1.4 0.0 0.0 0.0

Total 88.8 180.4 143.4 208.9 193.5 117.8 130.7 25.2 0.0 10.8 69.1 117.4Rainy Day 16 24 16 22 23 21 12 4 0 1 6 7Annual 1286.0 Total Rainy Day 152

MAX 1 DAY RAINFALL 50.70 MM. 5 JUL MAX 2 DAY RAINFALL 71.40 MM. 5 JUL

MAX 3 DAY RAINFALL 90.60 MM. 4 JUL MAX 4 DAY RAINFALL 98.60 MM. 3 JUL

MAX 5 DAY RAINFALL 105.50 MM. 4 JUL MAX 6 DAY RAINFALL 113.50 MM. 3 JUL

MAX 7 DAY RAINFALL 115.20 MM. 2 JUL MAX 8 DAY RAINFALL 119.60 MM. 8 OCT

MAX 9 DAY RAINFALL 127.00 MM. 8 JUL MAX 10 DAY RAINFALL 136.30 MM. 27 JUN

Average 1970-2007Monthly 4109.9 5566.0 5255.3 6622.1 6297.6 8972.1 8081.9 2034.3 134.3 149.7 916.1 2125.8Annual 50265.1

Daily Rainfall Data in Millimeters for Water Year 2007

Ban Phu Toei, A. Sai Yok, Kanchanaburi (913314)

Page 43: HYDROLOGICAL YEARBOOK WATER YEAR 2007water.egat.co.th/yearBook/yearbook_report/YEARBOOK2007...YEARBOOK WATER YEAR 2007 Water Resources Management Department Survey Division Electricity

DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 0.0 13.8 0.0 3.1 13.4 3.1 1.8 0.0 0.0 0.0 0.0 0.02 0.0 0.0 0.0 3.5 2.3 5.8 31.9 0.0 0.0 0.0 0.0 0.03 0.0 6.5 0.0 10.2 13.3 41.1 7.1 0.0 0.0 0.0 0.0 0.04 7.3 35.2 18.4 25.3 15.8 0.0 36.3 0.0 0.0 0.0 5.8 0.05 3.0 28.6 0.0 82.7 8.0 24.2 19.1 0.0 0.0 0.0 0.0 0.06 0.0 24.0 0.0 18.8 4.6 5.9 0.0 0.0 0.0 0.0 0.0 0.07 0.0 0.0 0.0 2.1 5.5 0.0 5.1 0.0 0.0 0.0 0.0 0.08 4.5 0.0 4.1 0.0 52.4 0.0 11.1 0.0 0.0 0.0 0.0 0.09 0.0 0.0 3.1 7.9 79.1 2.1 0.0 0.0 0.0 0.0 0.0 33.9

10 0.0 20.0 0.0 1.6 22.1 25.7 14.7 0.0 0.0 0.0 0.0 0.011 1.0 7.9 0.0 1.3 6.8 2.6 26.5 0.0 0.0 0.0 0.0 0.012 0.7 35.5 0.0 5.9 3.7 14.9 60.0 0.0 0.0 0.0 0.0 0.013 0.0 5.0 0.0 32.3 0.0 0.8 3.7 0.0 0.0 0.0 0.0 0.014 0.0 11.7 0.0 3.4 3.5 1.9 3.6 0.0 0.0 0.0 0.0 0.015 3.8 12.9 0.0 2.9 7.2 0.0 1.5 0.0 0.0 0.0 0.0 0.016 0.0 1.8 0.0 5.4 27.4 6.1 0.0 0.0 0.0 0.0 0.0 0.017 0.0 10.9 0.0 0.0 5.3 6.4 0.0 0.0 0.0 0.0 0.0 0.018 0.0 1.9 3.5 0.0 11.8 2.6 0.0 0.0 0.0 0.0 0.0 0.019 0.0 4.5 0.0 11.2 0.0 12.2 0.0 0.0 0.0 0.0 0.0 0.020 0.0 0.0 0.0 19.9 0.0 33.2 0.0 0.0 0.0 0.0 0.0 0.021 0.0 10.9 24.5 14.1 3.5 5.0 0.0 0.0 0.0 0.0 0.0 0.022 0.0 7.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.023 0.0 5.1 7.2 27.9 23.5 15.2 0.0 0.0 0.0 0.0 0.0 0.024 1.2 9.0 15.5 0.0 0.0 19.1 0.0 0.0 0.0 0.0 0.0 24.925 0.0 0.0 2.8 7.4 4.0 0.0 0.0 0.0 0.0 0.0 0.0 0.026 0.0 0.0 14.4 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.027 0.0 2.3 66.8 13.4 0.0 0.0 0.0 0.0 0.0 0.0 2.2 0.028 27.4 0.0 14.1 26.6 9.3 2.7 0.0 0.0 0.0 0.0 0.0 0.029 0.0 0.0 40.0 0.0 0.5 0.0 0.0 0.0 0.0 0.0 0.0 0.030 0.0 2.3 15.0 0.0 15.4 0.0 0.0 0.0 0.0 0.0 0.031 0.0 0.0 6.3 0.0 0.0 0.0 15.3

Total 48.9 256.9 229.4 326.9 344.7 230.6 222.4 0.0 0.0 0.0 8.0 74.1Rainy Day 0 21 13 22 24 20 13 0 0 0 2 3Annual 1741.9 Total Rainy Day 118

MAX 1 82.70 MM. 5 Jul MAX 2 131.50 MM. 8 Aug

MAX 3 153.60 MM. 8 Aug MAX 4 160.40 MM. 8 Aug

MAX 5 165.90 MM. 7 Aug MAX 6 171.70 MM. 5 Aug

MAX 7 187.50 MM. 4 Aug MAX 8 200.80 MM. 3 Aug

MAX 9 260.70 MM. 27 Jun MAX 10 279.50 MM. 27 Jun

Average 1982-2007Monthly 101.2 225.9 285.4 352.8 357.7 230.0 162.4 21.2 2.9 6.9 13.4 43.1Annual 1803.1

DAY RAINFALL DAY RAINFALL

DAY RAINFALL DAY RAINFALL

DAY RAINFALL DAY RAINFALL

Daily Rainfall Data in Millimeters for Water Year 2007

Vajiralongkorn Dam, A. Thong Pha Phum, Kanchanaburi (913464)

DAY RAINFALL DAY RAINFALL

DAY RAINFALL DAY RAINFALL

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DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 6.1 19.7 1.0 38.1 79.4 0.6 5.5 120.4 0.0 0.0 0.0 0.02 1.0 0.0 14.4 1.9 8.6 0.0 1.4 0.0 0.0 0.0 0.0 0.03 0.0 22.3 9.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.04 0.0 0.0 0.0 0.0 0.0 0.5 0.0 5.3 0.0 0.0 0.0 0.75 0.0 7.9 0.7 6.2 0.0 0.0 0.0 0.4 0.0 0.0 0.0 0.06 0.0 14.9 2.8 5.4 0.0 0.0 50.7 0.0 0.0 0.0 0.0 0.07 13.2 0.0 7.7 0.0 0.0 46.2 1.4 0.0 0.0 0.0 0.0 0.08 0.0 0.0 40.5 0.3 0.0 14.2 0.0 0.0 0.0 0.0 0.0 0.09 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0

10 0.0 0.0 0.0 0.6 0.6 6.2 0.0 0.0 0.0 0.0 0.0 0.011 0.0 0.0 0.0 0.0 4.8 40.0 0.0 0.0 0.0 0.0 0.0 0.012 0.0 1.4 0.0 0.0 67.4 9.3 0.0 0.0 0.0 0.0 0.0 0.013 30.3 0.0 0.0 3.5 0.0 4.4 0.0 0.0 0.0 0.0 0.0 69.014 0.0 0.0 0.0 0.0 0.0 3.6 0.0 0.0 0.0 0.0 0.0 0.015 1.8 0.0 0.0 0.0 0.0 20.2 0.0 0.0 0.0 0.0 0.0 0.016 0.0 0.0 4.6 0.0 0.0 21.1 0.0 0.0 0.0 0.0 0.0 0.017 0.0 0.0 27.7 33.7 0.0 9.0 0.0 0.0 0.0 0.0 0.0 0.018 0.0 15.5 3.6 0.0 10.6 21.8 0.0 0.0 0.0 0.0 0.0 0.019 0.0 21.6 3.3 17.9 11.9 0.5 0.0 0.0 0.0 0.0 0.0 0.020 0.0 18.4 0.0 0.0 16.3 0.6 0.5 0.0 0.0 0.0 0.0 16.221 0.0 0.0 0.0 0.0 0.0 0.5 0.0 0.0 0.0 0.0 0.0 0.022 0.0 1.3 0.0 0.1 2.5 2.5 0.0 0.0 0.0 0.0 0.0 0.023 0.4 11.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.024 0.0 0.0 0.0 15.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 4.825 0.0 5.3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.026 0.0 0.7 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.027 0.0 4.3 0.0 0.0 5.4 0.0 0.0 0.0 0.0 0.0 0.0 0.028 23.0 0.0 5.7 1.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.029 2.3 17.7 32.4 0.0 0.0 0.0 1.4 0.0 0.0 0.0 0.030 2.5 0.0 0.0 6.4 0.0 0.6 8.7 0.0 0.0 0.0 0.031 0.0 2.2 3.7 12.0 0.0 0.0 0.0

Total 80.6 162.6 153.4 133.3 211.2 201.8 81.6 126.1 0.0 0.0 0.0 90.7Rainy Day 9 14 13 14 11 18 8 3 0 0 0 4Annual 1241.3 Total Rainy Day 94

MAX 1 DAY RAINFALL 120.40 MM. 1 Nov MAX 2 DAY RAINFALL 132.40 MM. 31 Oct

MAX 3 DAY RAINFALL 141.10 MM. 30 Oct MAX 4 DAY RAINFALL 142.50 MM. 29 Oct

MAX 5 DAY RAINFALL 142.50 MM. 28 Oct MAX 6 DAY RAINFALL 146.40 MM. 30 Oct

MAX 7 DAY RAINFALL 147.80 MM. 29 Oct MAX 8 DAY RAINFALL 148.20 MM. 29 Oct

MAX 9 DAY RAINFALL 148.20 MM. 28 Oct MAX 10 DAY RAINFALL 165.20 MM. 7 Sep

Average 1966-2008Monthly 73.3 140.7 154.6 159.9 183.2 221.8 90.7 15.4 3.8 3.4 15.3 34.8Annual 1097.0

Daily Rainfall Data in Millimeters for Water Year 2007

Ubolratana Dam, A. Ubolratana, Khon Kaen (914424)

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DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 0.0 9.0 0.0 0.0 0.0 6.0 0.0 0.0 3.0 0.0 27.0 5.02 0.0 2.0 0.0 0.0 1.0 0.0 0.0 5.0 0.0 0.0 0.0 0.03 0.0 5.0 0.0 0.0 0.0 13.0 0.0 2.0 0.0 0.0 0.0 0.04 0.0 14.0 3.0 10.0 2.0 6.0 0.0 0.0 0.0 0.0 0.0 0.05 0.0 83.5 0.0 4.0 0.0 2.0 9.0 0.0 0.0 0.0 0.0 0.06 0.0 13.0 1.0 10.0 0.0 1.5 0.0 0.0 0.0 0.0 0.0 0.07 0.0 4.0 1.0 0.0 0.0 4.0 0.0 0.0 0.0 0.0 0.0 0.08 2.5 18.5 1.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.09 0.0 3.0 0.0 0.0 35.0 0.0 11.5 0.0 0.0 0.0 0.0 0.0

10 0.0 0.0 0.0 1.0 0.0 1.0 2.1 0.0 0.0 0.0 0.0 0.011 0.0 0.0 6.0 0.0 0.0 3.0 1.5 0.0 3.0 0.0 0.0 0.012 0.0 52.0 0.0 7.0 4.0 7.0 1.0 0.0 0.0 0.0 0.0 0.013 0.0 8.0 0.0 1.0 0.0 2.0 0.0 0.0 0.0 0.0 0.0 0.014 0.0 35.0 0.0 0.0 0.0 4.0 0.0 0.0 0.0 0.0 0.0 0.015 0.0 29.0 5.0 0.0 0.0 4.5 0.0 0.0 0.0 0.0 0.0 0.016 0.0 4.0 0.0 10.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.017 0.0 1.0 16.0 0.0 7.0 5.0 0.0 0.0 0.0 0.0 0.0 0.018 0.0 30.0 4.0 0.0 23.0 18.0 0.0 0.0 0.0 0.0 0.0 0.019 0.0 0.0 3.5 3.7 0.0 23.0 0.0 0.0 0.0 0.0 0.0 0.020 4.5 6.5 0.0 0.0 0.0 42.0 0.0 0.0 0.0 0.0 0.0 0.021 0.0 3.2 1.5 3.2 17.0 0.0 0.0 3.0 3.0 0.0 0.0 0.022 0.0 0.0 0.0 2.0 12.0 0.0 0.0 0.0 0.0 0.0 0.0 0.023 0.0 0.0 0.0 1.0 2.0 0.0 0.0 0.0 0.0 0.0 0.0 0.024 0.0 0.0 0.0 18.0 10.0 0.0 0.0 0.0 0.0 0.0 0.0 0.025 0.0 0.0 23.0 1.0 46.0 0.0 0.0 0.0 0.0 0.0 0.0 0.026 46.0 0.0 15.0 0.0 2.0 21.0 0.0 0.0 0.0 0.0 0.0 0.027 0.0 0.0 15.0 0.0 0.0 46.0 0.0 0.0 0.0 0.0 1.0 0.028 4.8 2.0 1.2 0.0 4.0 0.0 0.0 0.0 0.0 6.6 0.0 0.029 0.0 0.0 0.0 0.0 0.0 9.0 0.0 0.0 0.0 0.0 0.0 0.030 0.0 0.0 0.0 0.0 12.0 0.0 0.0 0.0 0.0 0.0 0.031 0.5 30.0 4.0 2.0 0.0 0.0 31.0

Total 57.8 323.2 96.2 101.9 181.0 218.0 27.1 10.0 9.0 6.6 28.0 36.0Rainy Day 0 20 14 14 15 19 6 3 3 1 2 2Annual 1094.8 Total Rainy Day 99

MAX 1 DAY RAINFALL 83.50 MM. 5 May MAX 2 DAY RAINFALL 97.50 MM. 4 May

MAX 3 DAY RAINFALL 110.50 MM. 4 May MAX 4 DAY RAINFALL 124.00 MM. 12 May

MAX 5 DAY RAINFALL 133.00 MM. 4 May MAX 6 DAY RAINFALL 138.00 MM. 3 May

MAX 7 DAY RAINFALL 159.00 MM. 12 May MAX 8 DAY RAINFALL 174.00 MM. 5 May

MAX 9 DAY RAINFALL 188.00 MM. 4 May MAX 10 DAY RAINFALL 217.00 MM. 5 May

Average 1979-2007Monthly 57.3 166.9 98.3 145.7 162.2 202.4 87.8 30.2 3.6 5.2 6.3 19.4Annual 985.3

Daily Rainfall Data in Millimeters for Water Year 2007

Mae Chang Dam, A. Mae Moh, Lampang (916285)

Page 46: HYDROLOGICAL YEARBOOK WATER YEAR 2007water.egat.co.th/yearBook/yearbook_report/YEARBOOK2007...YEARBOOK WATER YEAR 2007 Water Resources Management Department Survey Division Electricity

DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 0.0 3.4 0.0 1.8 0.2 3.5 0.0 0.0 0.0 0.0 14.8 0.02 0.0 2.6 0.0 0.0 0.0 16.0 0.0 0.0 0.0 0.0 0.0 0.03 0.0 17.6 10.3 4.5 0.0 1.8 0.3 6.0 0.0 0.0 0.0 0.04 0.0 44.2 1.0 0.2 8.5 5.6 1.3 0.0 0.0 0.0 0.0 0.05 0.0 14.4 9.7 0.0 0.0 0.0 5.5 0.0 0.0 0.0 0.0 0.06 0.0 6.7 0.0 6.8 0.0 17.5 0.1 0.0 0.0 0.0 0.0 0.07 0.0 33.6 0.0 0.0 0.0 0.0 0.2 0.0 0.0 0.0 0.0 0.08 0.0 0.0 0.0 0.0 18.5 2.0 0.0 0.0 0.0 0.0 0.0 0.09 0.0 5.6 0.0 0.0 17.0 1.2 5.1 0.0 0.0 0.0 0.0 5.7

10 0.0 0.0 0.7 0.0 0.0 0.0 16.4 0.0 0.0 0.0 0.0 0.011 0.0 37.6 2.1 1.1 0.0 72.2 34.6 0.0 0.0 0.0 0.0 0.012 0.0 10.9 0.2 0.0 6.9 0.0 0.0 0.0 0.0 0.0 0.0 0.013 0.0 57.9 0.0 0.2 0.0 0.0 0.0 2.0 0.0 0.0 0.0 0.014 0.0 7.5 0.1 0.0 0.0 0.0 0.5 0.0 0.0 0.0 0.0 0.015 0.0 0.0 0.0 15.2 0.0 28.9 1.5 0.0 0.0 0.0 0.0 0.016 0.0 0.0 5.9 1.2 45.2 0.9 0.0 0.0 0.0 0.0 0.0 0.017 0.0 12.8 0.0 0.0 49.0 0.0 0.0 0.0 0.0 0.0 0.0 0.018 0.0 13.0 25.3 0.0 0.0 85.9 0.0 0.0 0.0 0.0 0.0 0.019 0.0 9.0 0.3 0.1 0.0 24.1 0.0 0.0 0.0 0.0 0.0 0.020 0.0 4.1 5.0 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 2.121 0.0 0.3 0.0 3.4 3.6 0.0 0.0 0.0 0.0 0.0 0.0 0.022 0.0 0.0 0.0 0.7 0.4 0.0 0.0 0.0 0.0 0.0 0.0 0.023 0.0 0.0 0.0 25.7 5.6 0.0 0.0 0.0 0.0 0.0 0.0 0.024 0.0 0.0 6.5 0.4 34.8 0.0 0.0 0.0 0.0 0.0 0.0 2.525 16.9 0.7 33.2 0.0 0.8 19.6 0.0 0.0 0.0 0.0 0.0 0.026 0.0 0.0 9.6 0.0 0.0 2.4 0.0 0.0 0.0 0.0 0.0 0.027 5.3 0.0 46.9 0.0 0.0 0.0 0.0 0.0 0.0 0.0 2.7 0.028 0.0 0.0 0.0 0.0 21.0 0.6 0.0 0.0 0.0 7.7 2.0 0.029 0.0 7.3 0.0 0.0 5.9 5.4 0.0 0.0 0.0 0.0 8.3 0.030 4.7 6.3 0.0 0.0 18.4 0.1 0.0 0.0 0.0 0.0 15.831 0.0 1.0 0.1 5.5 0.0 1.1 8.0

Total 26.9 295.5 156.8 62.5 235.9 287.7 71.0 8.0 0.0 8.8 27.8 34.1Rainy Day 0 20 15 15 16 17 11 2 0 2 4 5Annual 1215.0 Total Rainy Day 107

MAX 1 85.90 MM. 18 Sep MAX 2 110.00 MM. 18 Sep

MAX 3 110.00 MM. 17 Sep MAX 4 115.70 MM. 15 Sep

MAX 5 139.80 MM. 15 Sep MAX 6 139.80 MM. 14 Sep

MAX 7 145.60 MM. 7 May MAX 8 187.90 MM. 11 Sep

MAX 9 212.00 MM. 11 Sep MAX 10 212.00 MM. 10 Sep

Average 2006-2007Monthly 26.9 295.5 156.8 129.8 235.9 287.7 71.0 4.0 0.0 4.4 15.7 39.8Annual 1267.4

DAY RAINFALL DAY RAINFALL

DAY RAINFALL DAY RAINFALL

DAY RAINFALL DAY RAINFALL

Mae Kham Dam, A. Mae Moh, Lampang (916995)Daily Rainfall Data in Millimeters for Water Year 2007

DAY RAINFALL DAY RAINFALL

DAY RAINFALL DAY RAINFALL

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DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 0.0 0.4 0.0 0.0 12.3 1.2 0.0 0.9 0.0 0.0 36.4 0.02 0.0 14.0 0.0 0.7 2.1 0.0 0.0 0.0 0.0 0.0 9.0 0.03 0.0 7.6 0.0 1.0 0.0 0.0 0.0 0.0 0.0 0.0 3.0 0.04 90.6 16.4 0.3 0.5 0.0 5.2 90.6 0.0 0.0 0.0 0.0 0.05 26.0 20.9 0.6 0.0 0.0 3.6 26.0 0.0 0.0 0.0 0.0 0.06 16.5 24.0 0.0 16.3 1.1 23.5 16.5 0.0 0.0 0.0 0.0 0.07 1.0 12.4 0.0 0.0 2.6 0.4 1.0 0.0 0.0 0.0 0.0 0.08 5.0 0.0 0.0 0.0 76.9 0.0 5.0 0.0 0.0 0.0 0.0 0.09 22.6 0.0 0.0 0.0 24.0 2.6 22.6 0.0 0.0 0.0 0.0 0.0

10 4.1 0.0 0.0 0.0 6.6 0.0 4.1 0.0 0.0 0.0 0.0 0.011 0.0 12.8 0.0 0.0 0.7 8.4 0.0 0.0 0.0 0.0 0.0 0.012 11.5 42.0 0.0 0.0 0.0 1.4 11.5 0.0 0.0 0.0 0.0 0.013 0.7 5.2 0.0 0.0 0.0 0.0 0.7 0.0 0.0 0.0 0.0 1.414 9.6 0.2 0.0 2.7 0.0 36.0 9.6 0.0 0.0 0.0 0.0 28.015 0.0 9.5 4.4 0.0 0.3 2.1 0.0 0.0 0.0 0.0 0.0 0.016 0.0 7.3 17.8 0.0 21.8 0.0 0.0 0.0 0.0 0.0 0.0 27.517 0.0 10.5 0.8 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.018 0.0 20.0 12.8 0.0 0.0 2.8 0.0 0.0 0.0 0.0 0.0 0.019 0.0 0.6 11.3 0.0 0.0 8.2 0.0 0.0 0.0 0.0 0.0 0.020 0.0 0.0 0.0 9.0 3.1 1.7 0.0 0.0 0.0 0.0 0.0 0.021 0.0 0.4 9.0 0.5 8.4 0.0 0.0 0.0 0.0 0.0 0.0 0.022 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.023 0.0 0.0 0.0 7.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.024 0.0 0.0 1.3 1.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.025 0.0 0.0 8.7 0.0 0.0 24.4 0.0 0.0 0.0 0.0 0.0 7.026 0.0 0.0 16.5 0.0 0.0 19.8 0.0 0.0 0.0 0.0 3.627 0.0 4.3 34.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 3.228 0.0 30.1 4.4 38.2 2.6 1.2 0.0 0.0 0.0 0.0 0.029 0.0 7.5 1.3 0.8 7.1 1.3 0.0 0.0 0.0 0.0 0.030 0.0 0.8 0.0 2.8 9.1 0.0 0.0 0.0 0.0 18.731 8.8 0.0 1.5 0.0 0.0 5.2

Total 187.6 255.7 123.7 80.9 180.2 143.8 187.6 0.9 0.0 23.9 55.2Rainy Day 10 22 14 13 16 17 10 1 0 2 5Annual Total Rainy Day 114

MAX 1 DAY RAINFALL 90.60 MM. 4 APR MAX 2 DAY RAINFALL 116.60 MM. 4 APR

MAX 3 DAY RAINFALL 133.10 MM. 4 APR MAX 4 DAY RAINFALL 134.10 MM. 4 APR

MAX 5 DAY RAINFALL 139.10 MM. 4 APR MAX 6 DAY RAINFALL 161.70 MM. 4 APR

MAX 7 DAY RAINFALL 165.80 MM. 4 APR MAX 8 DAY RAINFALL 165.80 MM. 3 APR

MAX 9 DAY RAINFALL 177.30 MM. 4 APR MAX 10 DAY RAINFALL 178.00 MM. 4 APR

Average 1982-2007Monthly 2919.6 4691.9 3642.0 3208.4 5239.5 5947.7 2912.3 591.6 144.8 127.8 522.6 1421.0Annual 31369.2

Remark : Records terminated since 26 March 2008.

Daily Rainfall Data in Millimeters for Water Year 2007

Ban Nong Sanoon, A. Dan Sai, Loei (918195)

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DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 0.0 0.0 0.0 0.0 2.0 18.6 0.5 0.5 0.0 0.0 0.0 0.02 0.0 34.8 0.0 14.5 0.0 37.3 14.4 0.0 0.0 0.0 46.2 0.03 0.0 12.0 0.0 10.5 0.0 0.0 13.0 0.0 0.0 0.0 0.0 0.04 0.0 46.0 12.2 12.2 0.0 3.5 61.5 4.6 0.0 0.0 0.0 0.05 0.0 42.3 35.8 0.0 0.0 49.5 0.8 0.0 0.0 0.0 0.0 0.06 0.0 3.7 5.0 7.0 0.0 53.0 24.0 0.0 0.0 0.0 0.0 0.07 0.0 21.5 0.0 0.0 0.0 0.0 1.5 0.0 0.0 0.0 0.0 0.08 0.0 0.6 0.0 0.0 42.0 0.0 0.0 0.0 0.0 0.0 0.0 0.09 0.0 1.6 0.0 0.0 17.8 36.3 8.7 0.0 0.0 0.0 0.0 0.0

10 0.0 1.4 61.4 5.2 0.0 4.8 0.0 0.0 0.0 0.0 0.0 0.011 23.1 17.6 0.0 0.0 3.1 0.0 0.0 0.0 0.0 0.0 0.0 0.012 10.4 0.9 1.2 2.8 0.0 23.7 0.0 0.0 0.0 0.0 0.0 0.013 0.0 1.5 0.0 10.4 14.0 6.4 0.0 0.0 0.0 0.0 0.0 0.014 1.4 7.5 31.9 4.9 0.0 0.9 0.8 0.0 0.0 0.0 0.0 0.015 0.0 0.0 0.0 1.7 11.0 18.6 0.0 0.0 0.0 0.0 0.0 0.016 0.0 0.5 2.9 23.5 43.0 0.0 0.0 0.0 0.0 0.0 0.0 0.017 0.0 16.0 3.3 6.7 3.0 0.0 0.0 0.0 0.0 0.0 0.0 0.018 5.6 5.5 35.4 0.0 0.0 24.6 12.0 0.0 0.0 0.0 0.0 0.019 0.0 4.8 17.7 2.0 0.7 43.6 0.0 0.0 0.0 0.0 0.0 0.020 0.0 0.0 0.0 2.3 0.0 15.0 0.0 0.0 0.0 0.0 0.0 0.021 0.0 1.1 7.8 0.7 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.022 0.0 0.0 0.0 0.4 12.8 0.0 0.0 0.0 0.0 0.0 0.0 0.023 0.0 0.0 15.0 3.3 8.2 0.0 0.0 0.0 0.0 0.0 0.0 0.024 0.0 0.0 9.7 2.4 1.0 0.0 0.0 0.0 0.0 0.0 0.0 0.025 2.6 0.0 34.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.026 0.0 0.0 50.9 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.027 0.0 0.4 6.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.028 2.5 0.0 1.5 0.0 16.6 14.3 0.0 0.0 0.0 0.0 0.029 8.1 10.7 3.5 0.0 3.6 1.9 0.0 0.0 0.0 0.0 0.030 0.4 0.5 0.0 4.5 30.7 5.0 0.0 0.0 0.0 0.031 0.0 2.5 5.0 0.0 0.0 0.0

Total 54.1 230.9 335.6 117.5 214.5 357.0 137.2 5.1 0.0 0.0 46.2Rainy Day 8 21 18 19 16 17 10 2 0 0 1Annual 1498.1 Total Rainy Day 112

MAX 1 DAY RAINFALL 61.50 MM. 4 OCT MAX 2 DAY RAINFALL 102.50 MM. 5 SEP

MAX 3 DAY RAINFALL 106.00 MM. 4 SEP MAX 4 DAY RAINFALL 135.10 MM. 2 MAY

MAX 5 DAY RAINFALL 143.30 MM. 2 SEP MAX 6 DAY RAINFALL 161.90 MM. 1 SEP

MAX 7 DAY RAINFALL 166.90 MM. 31 AUG MAX 8 DAY RAINFALL 197.60 MM. 30 AUG

MAX 9 DAY RAINFALL 201.20 MM. 29 AUG MAX 10 DAY RAINFALL 217.80 MM. 28 AUG

Average 1980-2007Monthly 5182.4 4650.0 3916.0 3401.7 3158.0 3130.7 2928.5 2620.9 2512.7 2698.9 3529.1 4973.6Annual 42702.5

Remark : Records terminated since 26 March 2008.

Daily Rainfall Data in Millimeters for Water Year 2007

Ban Pong Bon, A. Wang Thong, Phitsanulok (939175)

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DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 0.0 0.0 17.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.02 0.0 0.0 0.0 9.0 0.0 11.0 0.0 0.0 0.0 0.0 10.0 0.03 0.0 0.0 0.0 0.0 7.0 2.5 21.5 0.0 0.0 0.0 0.0 0.04 2.0 0.0 0.0 5.0 0.0 36.0 98.0 0.0 0.0 0.0 0.0 0.05 0.0 20.0 0.0 0.0 29.0 31.0 48.0 0.0 0.0 0.0 0.0 0.06 0.0 21.5 8.5 0.0 9.0 0.0 17.0 0.0 0.0 0.0 0.0 0.07 0.0 0.0 0.0 0.0 45.0 9.5 25.0 0.0 0.0 0.0 0.0 0.08 0.0 0.0 0.0 0.0 113.0 0.0 14.0 0.0 0.0 0.0 0.0 0.09 0.0 0.0 0.0 0.0 10.0 40.0 0.0 0.0 0.0 0.0 0.0 0.0

10 0.0 0.0 0.0 0.0 0.0 13.0 0.0 0.0 0.0 0.0 0.0 0.011 0.0 0.0 0.0 0.0 32.0 0.0 0.0 0.0 0.0 0.0 0.0 0.012 0.0 0.0 1.0 15.0 0.0 2.9 1.5 0.0 0.0 0.0 0.0 0.013 0.0 0.0 7.0 0.0 0.0 17.0 0.0 0.0 0.0 0.0 0.0 0.014 0.0 0.0 11.0 1.0 6.0 0.0 7.0 0.0 0.0 0.0 0.0 0.015 13.0 12.0 5.0 86.0 0.0 12.0 0.0 0.0 0.0 0.0 0.0 0.016 0.0 4.5 13.0 16.0 112.0 0.0 0.0 0.0 0.0 0.0 0.0 0.017 0.0 0.0 3.0 2.0 28.5 0.0 0.0 0.0 0.0 0.0 0.0 0.018 0.0 0.0 14.0 3.0 52.0 12.0 0.0 0.0 0.0 0.0 0.0 0.019 0.0 0.0 0.0 0.0 1.0 0.0 0.0 0.0 0.0 0.0 0.0 55.020 0.0 0.0 3.0 0.0 29.0 0.0 0.0 0.0 0.0 0.0 0.0 0.021 0.0 0.0 0.0 11.0 5.0 0.0 0.0 0.0 0.0 0.0 0.0 0.022 0.0 0.0 0.0 2.0 9.0 0.0 0.0 0.0 0.0 0.0 0.0 0.023 0.0 0.0 0.0 0.0 15.0 0.0 0.0 0.0 0.0 0.0 0.0 0.024 0.0 0.0 0.0 0.0 8.0 0.0 0.0 0.0 0.0 0.0 0.0 0.025 0.0 0.0 22.0 0.0 10.0 0.0 0.0 0.0 0.0 0.0 0.0 0.026 0.0 0.0 2.0 0.0 0.0 6.0 0.0 0.0 0.0 0.0 0.0 0.027 0.0 11.0 7.0 0.0 2.0 0.0 0.0 0.0 0.0 0.0 0.0 0.028 0.0 69.0 12.0 0.0 0.0 15.0 0.0 0.0 0.0 0.0 0.0 0.029 0.0 1.0 0.0 1.0 2.0 3.5 0.0 0.0 0.0 0.0 0.0 0.030 0.0 8.5 0.0 0.0 26.0 0.0 0.0 0.0 0.0 0.0 0.031 0.0 7.5 2.0 45.0 0.0 0.0 60.0

Total 15.0 147.5 125.5 158.5 552.5 211.4 277.0 0.0 0.0 0.0 10.0 115.0Rainy Day 2 8 14 12 22 14 9 0 0 0 1 2Annual 1612.4 Total Rainy Day 84

MAX 1 DAY RAINFALL 113.00 MM. 8 AUG MAX 2 DAY RAINFALL 158.00 MM. 7 AUG

MAX 3 DAY RAINFALL 192.50 MM. 16 AUG MAX 4 DAY RAINFALL 196.00 MM. 5 AUG

MAX 5 DAY RAINFALL 222.50 MM. 16 AUG MAX 6 DAY RAINFALL 227.50 MM. 16 AUG

MAX 7 DAY RAINFALL 238.00 MM. 5 AUG MAX 8 DAY RAINFALL 251.50 MM. 16 AUG

MAX 9 DAY RAINFALL 273.00 MM. 8 AUG MAX 10 DAY RAINFALL 318.00 MM. 7 AUG

Average 1965-2007Monthly 3376.6 8431.9 9969.0 9777.2 12810.1 10056.1 3376.1 352.1 207.1 177.6 892.2 1929.4Annual 61355.4

Daily Rainfall Data in Millimeters for Water Year 2007

Nam Pung Dam, A. Phu Phan, Sakon Nakhon (950304)

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DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 17.1 22.0 6.2 0.0 0.0 0.7 35.7 0.2 0.0 3.0 0.0 0.02 0.0 3.6 0.0 0.0 1.8 1.6 2.0 0.4 0.0 1.7 0.0 0.03 0.0 17.2 0.0 0.0 0.0 2.3 4.3 0.6 0.0 0.4 0.0 0.04 0.0 1.8 18.6 7.3 0.0 13.6 8.8 11.0 0.0 0.0 0.0 0.05 4.9 0.0 0.0 54.7 2.8 0.0 6.2 4.7 0.0 0.0 0.0 4.66 0.0 4.0 1.1 32.2 0.0 0.0 11.2 38.5 0.0 0.0 0.0 0.67 0.0 11.1 0.0 2.5 1.2 0.0 0.5 2.2 20.3 0.0 0.0 0.88 0.0 14.5 0.0 26.0 11.1 0.2 0.0 3.3 9.8 0.0 0.0 14.69 0.4 7.4 5.8 40.8 2.8 0.0 0.0 0.0 5.4 0.0 0.0 0.0

10 0.0 17.6 1.8 26.3 1.7 0.0 0.0 40.4 0.0 0.0 0.0 0.011 0.0 3.7 31.1 6.0 0.0 3.2 1.6 7.2 0.0 0.0 0.0 0.312 8.5 1.3 0.2 18.0 1.5 22.0 1.0 0.3 0.0 0.0 0.0 20.013 15.4 3.8 0.9 10.0 1.8 1.5 1.5 92.2 0.0 0.0 0.0 0.014 45.5 15.8 3.8 12.0 5.5 37.8 17.6 0.6 12.8 0.0 0.0 0.015 0.0 28.8 2.2 1.0 0.5 1.3 0.1 2.3 1.6 0.0 0.0 0.016 0.3 0.6 0.0 0.0 7.4 25.1 12.0 3.1 0.0 0.0 0.0 0.017 0.0 0.0 0.0 0.0 20.9 2.8 0.7 0.0 0.0 7.1 0.0 0.018 0.0 1.5 18.8 0.0 9.6 14.2 6.8 0.0 60.8 7.4 0.0 0.019 8.9 0.0 4.6 3.8 5.1 0.7 0.2 10.7 0.5 0.0 0.0 0.020 1.2 41.9 5.7 19.4 83.0 0.6 12.0 1.9 0.4 0.0 0.0 0.021 6.3 20.8 0.5 10.5 1.8 0.0 5.2 0.0 0.0 0.0 0.0 0.022 1.8 26.1 0.6 11.4 0.0 19.0 5.9 0.0 0.0 0.0 0.0 0.023 0.0 0.3 1.4 0.3 0.0 1.4 41.7 0.0 0.0 0.0 0.0 0.024 0.0 0.0 2.9 18.0 6.9 0.3 1.3 0.0 0.0 0.0 0.0 0.025 1.7 0.0 2.2 0.3 0.0 14.6 27.1 0.0 0.0 0.0 15.0 2.826 0.0 0.0 1.9 1.2 0.6 0.6 4.8 0.0 5.7 0.0 1.0 1.027 0.4 0.2 3.8 2.1 0.0 0.0 6.6 0.0 0.0 0.0 0.2 0.028 15.8 0.0 0.0 7.0 0.0 0.0 2.0 0.0 0.0 0.0 0.7 0.029 64.9 1.7 0.0 0.6 8.3 10.4 0.3 0.0 0.0 0.0 2.1 54.730 43.9 0.0 0.0 0.6 0.2 12.4 5.6 0.0 0.0 0.0 0.031 0.0 12.0 1.8 23.7 1.6 0.0 0.0

Total 237.0 245.7 114.1 324.0 176.3 186.3 246.4 219.6 118.9 19.6 19.0 99.4Rainy Day 0 22 20 25 21 22 28 17 10 5 5 9Annual 2006.3 Total Rainy Day 184

MAX 1 DAY RAINFALL 92.20 MM. 13 Nov MAX 2 DAY RAINFALL 108.80 MM. 29 Apr

MAX 3 DAY RAINFALL 130.80 MM. 29 Apr MAX 4 DAY RAINFALL 146.60 MM. 28 Apr

MAX 5 DAY RAINFALL 156.20 MM. 5 Jul MAX 6 DAY RAINFALL 182.50 MM. 5 Jul

MAX 7 DAY RAINFALL 189.80 MM. 4 Jul MAX 8 DAY RAINFALL 206.50 MM. 5 Jul

MAX 9 DAY RAINFALL 216.50 MM. 5 Jul MAX 10 DAY RAINFALL 228.50 MM. 5 Jul

Average 1982-2007Monthly 142.5 200.1 167.1 202.6 245.6 220.6 219.3 188.9 90.8 24.9 33.1 90.5Annual 1826.0

Daily Rainfall Data in Millimeters for Water Year 2007

Rajjaprabha Dam (Chiew Larn), A. Ban Ta Khun, Surat Thani (961315)

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DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 10.3 20.0 0.0 0.0 0.0 0.0 60.3 -99.9 0.0 0.0 0.0 0.02 0.0 30.0 0.0 0.0 0.0 0.0 0.6 -99.9 0.0 0.0 0.0 10.53 0.0 10.0 20.4 0.0 0.0 0.0 10.4 -99.9 0.0 0.0 0.0 10.14 0.0 10.5 0.0 0.0 0.0 20.5 10.7 -99.9 0.0 0.0 0.0 0.05 0.0 30.0 10.8 0.0 0.0 0.0 30.2 -99.9 0.0 0.0 0.0 0.06 0.0 10.7 0.0 120.5 30.5 0.0 10.5 -99.9 0.0 0.0 0.0 0.07 20.4 30.8 10.6 20.2 0.0 0.0 10.9 -99.9 0.0 0.0 0.0 0.08 0.0 10.0 0.0 20.0 0.0 0.0 0.0 -99.9 10.4 0.0 0.0 0.09 0.0 20.0 0.0 70.1 0.0 0.0 0.0 -99.9 30.2 0.0 0.0 0.0

10 0.0 10.3 10.5 40.3 0.0 0.0 0.0 -99.9 0.0 0.0 0.0 0.011 0.0 30.0 0.0 10.0 0.0 10.2 20.8 -99.9 0.0 0.0 0.0 0.012 0.0 0.0 0.0 30.3 0.0 20.0 30.5 -99.9 0.0 0.0 0.0 0.013 30.6 0.0 0.0 30.1 0.0 20.5 0.0 -99.9 0.0 0.0 0.0 0.014 0.0 0.0 0.0 0.0 10.8 20.1 30.4 -99.9 0.0 0.0 0.0 0.015 0.0 0.0 0.0 0.0 40.5 20.3 0.0 -99.9 0.0 0.0 0.0 0.016 0.0 0.0 0.0 0.0 20.0 10.1 0.0 -99.9 0.0 0.0 0.0 0.017 0.0 0.0 10.9 0.0 30.5 50.2 0.0 -99.9 0.0 0.0 0.0 0.018 0.0 0.0 20.1 0.0 30.2 10.5 0.0 -99.9 20.5 0.0 0.0 0.019 40.8 0.0 10.2 0.0 10.5 20.2 10.2 -99.9 0.0 0.0 0.0 0.020 0.0 0.0 0.0 0.7 110.5 10.8 20.5 -99.9 0.0 0.0 0.0 0.021 0.0 0.0 0.0 0.0 0.7 0.0 40.8 -99.9 0.0 0.0 0.0 10.322 0.0 0.0 0.0 0.0 0.0 0.0 20.3 -99.9 0.0 0.0 10.6 0.023 0.0 90.9 0.0 10.3 0.0 0.0 10.8 -99.9 0.0 0.0 0.0 0.824 0.0 0.0 20.1 0.0 0.0 10.2 0.0 -99.9 0.0 0.0 0.0 0.025 0.0 0.0 10.0 0.0 0.0 20.3 10.9 -99.9 0.0 0.0 80.7 0.026 0.0 0.0 10.2 0.0 20.7 0.0 0.0 -99.9 0.0 0.0 0.0 0.027 0.0 0.0 0.0 0.0 0.0 0.0 0.5 -99.9 0.0 0.0 0.0 0.028 20.9 20.1 0.0 10.5 0.0 0.0 10.0 -99.9 0.0 0.0 0.0 30.229 10.5 0.0 0.0 10.8 0.0 10.9 10.6 -99.9 0.0 0.0 0.0 60.130 0.0 0.0 0.0 10.0 0.0 40.8 40.5 -99.9 0.0 0.0 0.031 0.0 10.3 0.0 20.1 0.0 0.0 0.0

Total 133.5 323.3 133.8 394.1 304.9 295.6 410.5 61.1 0.0 91.3 122.0Rainy Day 6 13 10 14 10 15 21 3 0 2 6Annual Total Rainy Day 100

MAX 1 DAY RAINFALL 120.50 MM. 6 JUL MAX 2 DAY RAINFALL 140.70 MM. 6 JUL

MAX 3 DAY RAINFALL 160.70 MM. 6 JUL MAX 4 DAY RAINFALL 230.80 MM. 6 JUL

MAX 5 DAY RAINFALL 271.10 MM. 6 JUL MAX 6 DAY RAINFALL 281.10 MM. 6 JUL

MAX 7 DAY RAINFALL 311.40 MM. 6 JUL MAX 8 DAY RAINFALL 341.50 MM. 6 JUL

MAX 9 DAY RAINFALL 341.50 MM. 5 JUL MAX 10 DAY RAINFALL 341.50 MM. 4 JUL

Average 1982-2007Monthly 4285.5 7024.7 6536.9 8832.0 9479.4 9056.6 7340.6 4173.0 1733.0 940.1 988.7 2749.7Annual 63140.2

Remark : the value -99.9 indicated the missing data.

Daily Rainfall Data in Millimeters for Water Year 2007

Thung Kai Han, A. Ban Ta Khun, Surat Thani (961385)

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DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 12.7 22.5 2.7 0.0 1.3 0.0 41.2 0.2 0.0 3.6 0.0 1.02 0.0 4.4 0.0 0.0 0.0 3.9 3.2 0.6 0.0 1.6 0.0 0.03 0.0 24.7 0.0 0.0 0.0 4.9 5.7 0.0 0.0 0.7 0.0 0.04 0.0 1.2 2.4 8.2 0.0 22.2 11.6 6.0 0.0 0.0 0.0 0.05 1.4 0.0 0.0 59.0 6.7 0.0 9.2 6.6 0.0 0.0 0.0 22.26 0.5 2.1 0.5 32.0 0.0 0.0 15.3 32.6 0.0 0.0 0.0 4.77 0.0 10.8 4.3 2.6 0.9 0.0 1.2 2.2 15.1 0.0 0.0 1.48 0.0 10.7 0.0 27.5 11.7 0.5 0.0 6.4 13.4 0.0 0.0 23.39 0.0 12.8 3.6 42.0 2.7 0.0 0.0 0.0 7.5 0.0 0.0 0.0

10 0.0 22.2 3.7 24.7 0.5 0.0 0.0 30.0 0.0 0.0 0.0 0.311 0.0 6.4 6.1 8.9 0.0 3.1 3.4 3.8 0.4 0.0 0.0 0.512 6.7 2.0 0.4 19.2 1.6 23.8 1.6 0.4 0.0 0.0 0.0 22.513 7.6 3.9 1.2 13.0 2.1 1.2 1.4 39.4 0.0 0.0 0.0 0.014 48.2 10.5 14.7 10.2 5.5 34.0 9.8 7.3 6.9 0.0 0.0 0.015 0.0 21.8 1.8 1.3 1.3 1.2 5.4 3.2 1.4 0.0 0.0 0.016 1.4 0.5 0.0 0.0 9.3 26.0 8.1 5.3 0.0 0.0 0.0 0.017 0.0 3.0 0.0 0.0 20.2 2.5 0.9 0.0 0.0 7.7 0.0 0.018 0.0 1.4 14.9 0.0 6.7 19.4 9.4 0.0 76.2 5.9 0.0 0.019 15.2 0.0 4.2 12.2 3.9 1.3 0.6 9.8 1.4 0.2 0.0 0.020 1.4 22.5 2.4 28.8 62.0 2.1 12.4 2.4 6.6 0.0 0.0 0.021 4.2 0.5 0.0 6.8 3.8 0.0 3.2 0.0 0.0 0.0 0.0 0.022 1.5 22.9 0.7 11.8 0.0 21.1 4.4 0.0 0.0 0.0 0.0 0.023 0.0 0.6 3.7 0.2 0.0 1.5 37.0 0.0 0.0 0.0 0.0 0.024 0.0 1.0 2.8 18.7 7.4 0.7 1.9 0.0 0.0 0.0 0.0 4.425 1.6 0.0 2.7 0.3 0.2 8.4 23.4 0.0 0.0 0.0 11.5 3.826 0.0 0.0 3.6 10.3 0.4 0.6 5.3 0.0 1.8 0.0 1.3 1.827 0.6 0.5 4.2 2.3 0.0 0.0 6.3 0.0 0.0 0.0 0.2 0.028 28.4 0.0 0.0 6.2 0.0 0.0 1.9 0.0 0.0 0.0 0.1 0.029 83.7 1.3 0.0 4.4 8.5 4.7 0.3 0.0 0.0 0.0 0.2 54.730 49.4 0.0 0.0 0.4 0.6 14.7 2.4 0.0 0.0 0.0 0.031 0.0 11.7 1.0 27.4 1.1 0.0 0.0

Total 264.5 210.2 80.6 362.7 158.3 197.8 253.9 156.2 131.8 19.7 13.3 140.6Rainy Day 16 24 20 25 22 21 28 16 11 6 5 12Annual 1989.6 Total Rainy Day 206

MAX 1 DAY RAINFALL 83.70 MM. 29 APR MAX 2 DAY RAINFALL 133.10 MM. 29 APR

MAX 3 DAY RAINFALL 161.50 MM. 28 APR MAX 4 DAY RAINFALL 184.00 MM. 28 APR

MAX 5 DAY RAINFALL 188.40 MM. 28 APR MAX 6 DAY RAINFALL 213.10 MM. 28 APR

MAX 7 DAY RAINFALL 214.30 MM. 28 APR MAX 8 DAY RAINFALL 215.90 MM. 5 JUL

MAX 9 DAY RAINFALL 228.90 MM. 5 JUL MAX 10 DAY RAINFALL 239.10 MM. 5 JUL

Average 1985-2007Monthly 3452.9 4424.9 3478.0 4539.1 5488.3 4869.8 4818.7 3985.3 2005.9 611.2 557.2 2317.3Annual 40548.6

Daily Rainfall Data in Millimeters for Water Year 2007

Rajjaprabha Dam (Ban Rim Ang), A. Ban Ta Khun, Surat Thani (961405)

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DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 0.0 0.0 0.0 5.5 0.0 0.0 18.6 -99.9 0.0 5.3 0.0 0.02 16.4 10.2 0.0 0.0 5.5 0.0 60.3 -99.9 0.0 0.0 0.0 0.03 0.0 14.9 6.3 0.0 0.0 4.5 30.9 -99.9 0.0 0.0 0.0 0.04 0.0 5.4 0.0 41.5 0.0 16.5 9.9 -99.9 0.0 0.0 0.0 0.05 0.0 0.0 0.0 60.2 11.5 0.0 40.0 -99.9 0.0 0.0 0.0 0.06 0.0 0.0 9.2 68.1 0.0 0.0 20.3 -99.9 0.0 0.0 0.0 0.07 0.0 20.6 0.0 30.2 19.8 0.0 0.0 -99.9 0.0 0.0 0.0 10.08 0.0 27.5 0.0 126.7 47.9 0.0 0.0 -99.9 0.0 0.0 0.0 0.09 0.0 32.0 0.0 145.6 12.9 0.0 0.0 -99.9 0.0 0.0 0.0 0.0

10 0.0 60.2 5.9 50.0 0.0 0.0 0.0 -99.9 0.0 0.0 0.0 0.011 0.0 50.1 0.0 27.4 0.0 8.2 0.0 -99.9 0.0 0.0 0.0 0.012 8.6 0.0 8.3 23.6 29.9 60.0 13.9 -99.9 0.0 0.0 0.0 6.013 12.2 0.0 13.4 26.2 0.0 15.2 0.0 -99.9 0.0 0.0 0.0 0.014 10.4 34.7 0.0 39.9 0.0 49.8 34.2 -99.9 0.0 0.0 0.0 0.015 11.2 19.8 0.0 2.7 102.4 18.3 22.9 -99.9 0.0 0.0 0.0 0.016 0.0 5.7 9.9 0.0 67.8 56.5 15.4 -99.9 0.0 0.0 0.0 0.017 0.0 0.0 0.0 0.0 22.5 20.2 0.0 -99.9 0.0 0.0 0.0 0.018 0.0 0.0 17.9 0.0 25.7 22.5 41.0 -99.9 25.6 0.0 0.0 0.019 10.2 0.0 19.9 0.0 6.3 8.9 0.0 -99.9 8.5 0.0 0.0 0.020 12.4 0.0 0.0 0.0 87.9 4.6 11.4 -99.9 0.0 0.0 0.0 0.021 13.0 0.0 0.0 0.0 11.6 0.0 10.5 -99.9 0.0 0.0 0.0 0.022 15.4 0.0 0.0 0.0 0.0 42.9 6.3 -99.9 0.0 0.0 0.0 0.023 10.4 0.0 0.0 10.0 0.0 0.0 47.8 -99.9 4.2 0.0 0.0 0.024 24.5 0.0 7.4 47.6 0.0 0.0 0.0 -99.9 0.0 0.0 0.0 0.025 15.8 0.0 76.5 0.0 0.0 24.0 17.8 -99.9 0.0 0.0 0.0 0.026 0.0 0.0 22.3 0.0 6.8 10.0 0.0 -99.9 0.0 0.0 9.8 0.027 0.0 0.0 54.2 5.6 0.0 0.0 17.2 -99.9 0.0 5.5 6.4 10.028 4.2 2.2 0.0 11.7 6.9 0.0 17.4 -99.9 0.0 0.0 9.9 47.829 2.8 0.0 0.0 11.2 7.0 0.0 0.0 -99.9 0.0 0.0 0.0 30.130 51.8 0.0 0.0 0.0 0.0 18.3 8.8 -99.9 0.0 0.0 0.031 0.0 13.7 0.0 0.0 0.0 0.0 13.1

Total 219.3 283.3 251.2 747.4 472.4 380.4 444.6 38.3 10.8 26.1 117.0Rainy Day 15 12 12 19 16 16 19 3 2 3 6Annual Total Rainy Day 123

MAX 1 DAY RAINFALL 145.60 MM. 9 JUL MAX 2 DAY RAINFALL 272.30 MM. 8 JUL

MAX 3 DAY RAINFALL 322.30 MM. 8 JUL MAX 4 DAY RAINFALL 370.60 MM. 6 JUL

MAX 5 DAY RAINFALL 430.80 MM. 5 JUL MAX 6 DAY RAINFALL 480.80 MM. 5 JUL

MAX 7 DAY RAINFALL 522.30 MM. 4 JUL MAX 8 DAY RAINFALL 549.70 MM. 4 JUL

MAX 9 DAY RAINFALL 573.30 MM. 4 JUL MAX 10 DAY RAINFALL 599.50 MM. 4 JUL

Average 1990-2007Monthly 2581.5 7414.2 7429.7 11488.0 12603.5 9719.7 6379.5 2686.8 986.1 169.6 282.1 1291.3Annual 63032.0

Remark : the value -99.9 indicated the missing data.

Daily Rainfall Data in Millimeters for Water Year 2007

Khlong Saeng (EGAT), A. Ban Ta Khun, Surat Thani (961995)

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DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 0.0 57.4 0.0 0.0 0.6 0.6 0.0 0.0 0.0 0.0 2.7 0.02 0.0 31.2 0.0 0.0 0.0 0.0 0.0 8.3 0.0 0.0 0.0 0.03 0.0 18.1 0.3 0.7 0.5 0.0 0.0 0.0 0.0 0.0 0.0 0.04 0.0 75.8 0.1 0.0 0.0 0.6 15.2 0.0 0.0 0.0 0.0 0.05 0.0 41.9 3.2 0.7 3.1 1.7 9.0 0.0 0.0 0.0 0.0 0.06 12.8 45.7 1.2 2.1 0.0 28.2 12.6 0.0 0.0 0.0 0.0 0.07 0.0 25.9 0.5 0.0 0.0 0.0 3.0 0.0 0.0 0.0 0.0 0.08 0.0 58.3 1.7 0.0 4.9 0.0 0.0 0.0 0.0 0.0 0.0 0.09 0.0 7.2 0.0 0.0 15.9 0.0 39.4 0.0 0.0 0.0 0.0 0.1

10 0.0 0.0 0.0 0.0 4.3 0.0 16.1 0.0 0.0 0.0 0.0 0.011 9.3 24.9 0.0 0.0 8.6 2.9 19.2 0.0 0.0 0.0 0.0 0.012 0.0 10.7 2.0 0.0 1.6 1.9 31.7 0.0 0.0 0.0 0.0 0.013 0.0 44.6 0.0 0.0 0.0 0.4 13.4 13.5 0.0 0.0 0.0 0.014 0.0 6.2 0.0 0.7 0.0 13.5 6.1 0.0 0.0 0.0 0.0 0.015 0.0 2.3 0.0 2.5 0.0 3.3 38.8 0.0 0.0 0.0 0.0 0.016 0.3 0.0 0.0 1.2 0.0 8.4 9.5 0.0 0.0 0.0 0.0 0.017 0.0 0.0 3.7 0.2 0.0 13.9 0.0 0.0 0.0 0.0 0.0 0.018 0.0 0.9 11.8 0.0 0.0 17.7 0.0 2.0 0.0 0.0 0.0 0.019 0.0 4.3 1.4 0.0 0.0 6.9 0.0 0.0 0.0 0.0 0.0 0.020 0.0 8.7 12.6 0.3 0.0 39.7 0.0 0.0 0.0 0.0 0.0 0.021 0.0 2.0 0.0 3.4 1.7 0.0 0.0 0.0 0.0 0.0 0.0 0.022 0.0 3.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.023 0.0 0.0 0.0 5.5 1.7 0.0 0.0 0.0 0.0 0.0 0.0 0.024 0.0 0.0 35.8 0.7 0.0 0.0 0.0 0.0 0.0 0.0 0.0 1.325 0.2 0.0 2.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.026 0.0 0.0 14.3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.027 0.4 0.0 22.8 0.0 0.0 2.7 0.0 0.0 0.0 0.0 5.8 0.028 0.0 0.1 1.8 3.0 3.9 0.2 0.0 0.0 0.0 2.1 0.4 0.029 1.2 0.0 0.3 0.0 32.9 52.2 0.0 0.0 0.0 0.0 0.0 0.030 0.0 2.4 0.0 0.4 0.3 1.7 0.0 0.0 0.0 0.0 0.031 1.8 0.0 3.6 0.0 0.0 0.0 0.3

Total 24.2 473.4 115.6 21.4 83.6 196.5 214.0 23.8 0.0 2.1 8.9 1.7Rainy Day 0 22 17 13 14 18 12 3 0 1 3 3Annual 1165.2 Total Rainy Day 106

MAX 1 DAY RAINFALL 75.80 MM. 4 May MAX 2 DAY RAINFALL 117.70 MM. 4 May

MAX 3 DAY RAINFALL 163.40 MM. 4 May MAX 4 DAY RAINFALL 189.30 MM. 4 May

MAX 5 DAY RAINFALL 247.60 MM. 4 May MAX 6 DAY RAINFALL 270.10 MM. 1 May

MAX 7 DAY RAINFALL 296.90 MM. 2 May MAX 8 DAY RAINFALL 354.30 MM. 1 May

MAX 9 DAY RAINFALL 361.50 MM. 1 May MAX 10 DAY RAINFALL 361.50 MM. 30 Apr

Average 1959-2007Monthly 52.4 205.1 89.8 83.1 109.3 239.3 196.4 46.3 6.8 4.4 3.5 20.2Annual 1056.7

Daily Rainfall Data in Millimeters for Water Year 2007

Bhumibol Dam, A. Sam Ngao, Tak (963073)

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DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 0.0 0.0 0.0 58.6 10.9 7.1 15.7 0.0 0.0 0.0 0.0 0.02 0.0 14.5 0.0 0.3 0.0 75.1 91.2 0.0 0.0 0.0 0.0 0.03 1.6 0.0 0.0 8.2 0.0 1.8 229.8 0.0 0.0 0.0 0.0 0.04 0.0 0.0 10.4 17.3 15.1 0.0 3.1 0.0 0.0 0.0 0.0 0.05 0.0 40.0 24.7 64.1 55.8 0.0 27.5 0.0 0.0 0.0 0.0 0.06 0.0 13.9 0.0 19.3 116.7 0.0 26.2 0.0 0.0 0.0 0.0 0.07 0.0 37.7 0.0 6.1 0.0 0.0 1.0 0.0 0.0 0.0 0.0 0.08 0.0 2.4 0.0 0.8 2.5 33.2 26.4 0.0 0.0 0.0 0.0 0.09 0.0 7.2 0.0 0.0 3.6 5.0 47.8 0.0 0.0 0.0 0.0 0.0

10 0.0 54.5 0.0 0.0 0.0 0.0 31.1 0.0 0.0 0.0 0.0 0.011 0.0 46.6 0.0 0.6 7.2 0.0 0.0 0.0 0.0 0.0 0.0 0.012 2.6 58.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.013 0.0 6.8 2.2 1.4 0.0 80.7 28.2 0.0 0.0 0.0 0.0 0.014 10.4 14.1 0.0 8.5 0.0 0.0 1.7 0.0 0.0 0.0 0.0 0.015 0.0 0.0 8.0 2.6 24.0 7.7 0.7 0.0 0.0 0.0 0.0 0.016 0.0 0.0 0.0 1.3 62.9 83.8 0.0 0.0 0.0 0.0 0.0 0.017 0.0 5.7 23.7 0.0 36.1 2.6 0.0 0.0 0.0 0.0 0.0 0.018 20.3 19.8 1.1 0.0 9.6 5.3 0.0 0.0 0.0 0.0 0.0 0.019 0.0 0.0 8.8 0.0 2.2 43.7 0.0 0.0 0.0 0.0 0.0 0.020 0.0 0.0 0.0 3.6 10.7 3.6 0.0 0.0 0.0 0.0 0.0 0.021 0.0 0.0 14.0 5.1 7.5 0.0 0.0 0.0 0.0 0.0 0.0 26.222 0.0 0.0 0.0 0.0 6.5 0.0 0.0 0.0 0.0 0.0 0.0 0.023 0.0 0.0 0.0 4.3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 8.624 0.0 0.0 0.0 33.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.025 0.0 0.0 0.0 0.0 1.6 6.1 0.0 0.0 0.0 0.0 0.0 0.026 2.2 0.0 14.4 0.0 1.3 0.0 0.0 0.0 0.0 0.0 0.0 2.027 0.0 86.6 24.3 0.0 29.1 9.8 0.0 0.0 0.0 0.0 0.0 0.028 23.5 1.7 1.9 8.3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.029 4.6 11.4 0.3 28.7 5.1 0.0 0.0 0.0 0.0 0.0 0.0 0.030 0.0 0.0 35.8 0.0 17.4 0.0 9.1 0.0 0.0 0.0 0.031 0.0 0.0 0.0 0.0 0.0 0.0 12.8

Total 65.2 420.9 169.6 272.6 425.8 365.5 539.5 0.0 0.0 0.0 0.0 49.6Rainy Day 0 16 13 19 20 14 14 0 0 0 0 4Annual 2308.7 Total Rainy Day 100

MAX 1 DAY RAINFALL 229.80 MM. 3 Oct MAX 2 DAY RAINFALL 321.00 MM. 2 Oct

MAX 3 DAY RAINFALL 336.70 MM. 1 Oct MAX 4 DAY RAINFALL 351.60 MM. 2 Oct

MAX 5 DAY RAINFALL 377.80 MM. 2 Oct MAX 6 DAY RAINFALL 393.50 MM. 1 Oct

MAX 7 DAY RAINFALL 405.20 MM. 2 Oct MAX 8 DAY RAINFALL 453.00 MM. 2 Oct

MAX 9 DAY RAINFALL 484.10 MM. 2 Oct MAX 10 DAY RAINFALL 499.80 MM. 1 Oct

Average 1971-2007Monthly 77.7 221.3 316.6 358.4 446.1 342.9 129.5 27.7 1.6 3.0 9.1 35.7Annual 1969.7

Daily Rainfall Data in Millimeters for Water Year 2007

Sirindhorn Dam, A. Sirindhorn, Ubol Ratchathani (967374)

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DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 0.0 0.0 0.0 6.0 4.4 11.8 0.0 0.0 0.0 0.0 31.0 0.02 0.0 5.9 0.0 0.0 4.5 10.9 0.0 0.0 0.0 0.0 0.4 0.03 0.0 11.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.04 0.0 36.5 0.7 5.5 0.0 3.9 65.8 0.0 0.0 0.0 0.0 0.05 0.0 35.0 0.0 1.8 0.0 24.1 27.3 0.0 0.0 0.0 0.0 0.06 0.0 2.0 0.0 3.8 0.0 47.7 5.5 0.0 0.0 0.0 0.0 0.07 0.0 6.6 0.0 0.0 1.3 1.1 15.6 0.0 0.0 0.0 0.0 0.08 0.0 0.0 0.0 0.0 22.2 0.0 0.0 0.0 0.0 0.0 0.0 0.09 0.0 0.0 0.0 0.0 35.9 0.0 1.4 0.0 0.0 0.0 0.0 0.0

10 49.6 0.0 0.0 0.0 1.2 0.0 0.5 0.0 0.0 0.0 0.0 0.011 5.2 6.2 0.0 0.0 0.0 7.0 0.0 0.0 0.0 0.0 0.0 0.012 0.0 22.3 0.0 0.0 0.0 0.0 0.3 0.0 0.0 0.0 0.0 0.013 0.0 0.0 0.0 0.0 0.0 7.6 1.5 0.0 0.0 0.0 0.0 0.014 0.6 20.2 0.0 0.0 0.0 3.8 0.0 0.0 0.0 0.0 0.0 0.015 0.0 10.8 0.0 0.0 2.8 4.1 0.0 0.0 0.0 0.0 0.0 0.016 0.0 9.0 0.5 0.0 82.6 4.5 0.0 0.0 0.0 0.0 0.0 0.017 0.0 12.2 4.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.018 12.0 16.3 0.7 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.019 0.0 0.0 30.7 5.0 0.0 9.5 0.0 0.0 0.0 0.0 0.0 0.020 0.0 4.0 2.8 0.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.021 0.0 2.3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.022 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.023 0.0 0.0 0.0 7.1 9.5 0.0 0.0 0.0 0.0 0.0 0.0 0.024 0.0 0.0 12.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.025 0.0 0.0 23.5 0.0 0.0 1.1 0.0 0.0 0.0 0.0 0.0 0.026 0.0 0.0 42.4 5.3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.027 2.1 0.0 21.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.028 0.0 0.0 0.0 0.0 0.0 1.8 0.0 0.0 0.0 0.1 1.4 0.029 0.0 73.0 26.5 0.0 3.7 0.0 0.0 0.0 0.0 0.9 0.0 0.030 0.7 0.0 0.0 12.9 19.0 0.0 0.0 0.0 0.0 38.5 12.231 0.0 6.2 4.4 5.8 0.0 0.0 0.0

Total 70.2 273.3 165.5 54.2 191.5 138.9 123.7 0.0 0.0 39.5 32.8 12.2Rainy Day 0 16 11 10 12 14 9 0 0 3 3 1Annual 1101.8 Total Rainy Day 79

MAX 1 DAY RAINFALL 82.60 MM. 16 Aug MAX 2 DAY RAINFALL 93.10 MM. 4 Oct

MAX 3 DAY RAINFALL 98.60 MM. 4 Oct MAX 4 DAY RAINFALL 114.20 MM. 4 Oct

MAX 5 DAY RAINFALL 114.20 MM. 3 Oct MAX 6 DAY RAINFALL 126.00 MM. 24 Jun

MAX 7 DAY RAINFALL 126.00 MM. 23 Jun MAX 8 DAY RAINFALL 132.00 MM. 24 Jun

MAX 9 DAY RAINFALL 144.70 MM. 8 Aug MAX 10 DAY RAINFALL 146.00 MM. 7 Aug

Average 1971-2007Monthly 77.2 192.9 158.8 171.1 221.9 235.5 87.1 12.4 6.4 9.0 9.0 28.5Annual 1209.6

Daily Rainfall Data in Millimeters for Water Year 2007

Sirikit Dam, A. Tha Pla, Uttaradit (970095)

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DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 0.5 3.0 0.0 0.0 0.0 9.0 5.2 1.0 0.0 1.3 0.0 2.52 3.0 3.0 0.0 0.0 0.0 19.0 4.4 0.0 0.0 9.5 20.5 0.03 15.0 0.0 0.2 0.0 0.0 0.0 0.0 2.5 0.0 0.0 0.0 0.04 0.0 0.0 0.7 0.0 0.0 0.6 0.0 0.0 0.7 0.0 0.0 0.05 0.0 0.0 0.0 0.0 0.0 0.0 0.0 42.2 71.0 0.0 0.0 0.06 0.0 2.5 26.7 0.0 0.0 59.5 0.0 37.3 75.0 0.0 0.0 5.07 0.0 0.0 1.5 0.0 0.0 6.5 0.0 47.0 27.0 1.0 0.0 12.08 0.0 31.0 0.0 1.5 0.0 6.8 0.0 14.2 40.0 2.0 0.0 8.59 0.0 23.5 5.2 0.2 0.0 22.7 8.3 0.0 34.0 0.0 0.0 3.0

10 0.0 3.5 18.7 0.0 0.0 0.0 24.4 24.8 11.2 0.0 0.0 0.011 45.0 0.0 13.0 0.0 0.0 0.0 23.0 54.7 36.3 0.0 0.0 6.212 7.0 0.0 0.0 0.0 5.5 0.0 24.0 14.2 0.0 0.0 0.0 1.513 2.5 0.0 2.2 1.3 0.0 1.5 0.0 0.0 15.7 0.0 0.0 0.014 0.0 0.0 19.6 0.0 0.0 0.0 51.0 0.0 66.7 0.0 0.0 0.015 0.0 17.0 14.5 0.0 0.0 20.5 0.0 0.0 44.7 0.0 0.0 0.016 18.0 0.0 9.8 0.0 0.0 13.0 0.0 0.0 110.8 0.0 0.0 0.017 0.0 35.0 0.0 4.5 0.0 2.0 0.0 0.0 59.8 0.0 0.0 0.018 0.0 17.5 1.5 16.5 1.5 0.0 21.6 1.5 7.0 0.0 0.0 0.019 0.0 31.8 0.5 2.3 0.0 0.0 4.0 13.2 8.2 0.0 0.0 0.020 0.0 31.0 0.0 3.8 1.0 0.0 2.5 21.0 0.5 0.0 0.0 0.021 0.0 11.0 5.0 0.0 4.0 0.0 0.0 0.0 0.0 0.0 0.0 0.022 0.0 15.0 0.5 26.7 0.0 11.3 4.0 0.0 0.0 0.0 0.0 0.023 0.0 0.0 0.4 6.7 11.0 0.0 0.0 0.0 0.0 0.0 0.0 20.324 13.5 41.8 16.5 24.0 2.5 0.0 0.0 0.0 0.0 0.0 0.0 0.025 0.0 0.5 0.0 0.0 36.5 6.0 7.5 0.0 0.0 0.0 0.0 0.726 0.0 0.0 0.0 5.6 0.0 20.0 0.0 0.0 0.0 0.0 0.0 58.027 0.8 2.0 0.0 42.0 20.2 0.0 6.5 3.8 0.0 0.4 23.0 31.228 4.5 0.0 0.0 5.4 0.0 12.0 0.0 0.0 0.0 1.9 288.0 2.529 6.5 0.5 0.0 7.0 19.5 6.0 16.5 0.0 0.0 0.0 15.2 0.030 4.3 1.5 0.0 0.0 4.0 8.7 13.0 1.0 0.0 0.0 0.031 20.5 0.0 44.5 29.0 2.7 0.0 0.0

Total 120.6 291.6 136.5 147.5 150.2 225.1 244.9 278.4 611.3 16.1 346.7 151.4Rainy Day 0 19 17 14 11 17 16 14 17 6 4 12Annual 2720.3 Total Rainy Day 147

MAX 1 DAY RAINFALL 288.00 MM. 28 Feb MAX 2 DAY RAINFALL 311.00 MM. 27 Feb

MAX 3 DAY RAINFALL 326.20 MM. 27 Feb MAX 4 DAY RAINFALL 328.70 MM. 27 Feb

MAX 5 DAY RAINFALL 328.70 MM. 26 Feb MAX 6 DAY RAINFALL 328.70 MM. 25 Feb

MAX 7 DAY RAINFALL 334.00 MM. 11 Dec MAX 8 DAY RAINFALL 345.20 MM. 10 Dec

MAX 9 DAY RAINFALL 379.20 MM. 9 Dec MAX 10 DAY RAINFALL 419.20 MM. 8 Dec

Average 1975-2007Monthly 155.5 213.6 141.9 134.5 181.7 203.6 247.1 274.5 292.7 53.4 47.5 91.2Annual 2037.0

Daily Rainfall Data in Millimeters for Water Year 2007

Bang Lang Dam, A. Bannang Sata, Yala (971135)

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DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 0.1 0.9 0.0 0.0 1.3 46.5 25.7 0.3 0.0 0.2 15.4 0.12 47.9 0.0 23.8 0.0 0.0 0.8 2.8 0.3 0.0 1.4 0.0 0.03 32.6 0.0 0.9 0.0 0.0 1.5 0.0 11.1 0.2 0.2 0.0 0.04 0.0 0.0 24.6 0.0 0.0 4.9 0.0 2.5 0.0 0.0 0.4 0.05 0.0 0.0 1.3 0.2 0.0 0.0 0.0 47.7 49.4 1.7 0.0 0.06 0.0 0.0 0.0 0.0 0.0 3.7 23.3 4.9 95.4 0.0 0.0 0.27 0.0 0.0 0.6 0.0 0.0 22.2 0.0 1.4 30.0 0.1 0.0 11.58 0.0 18.3 0.3 8.4 0.0 20.3 0.0 2.4 32.9 1.0 0.0 3.19 2.4 23.9 19.7 6.1 0.0 4.1 0.0 0.0 24.6 0.0 0.0 0.0

10 9.5 3.2 3.8 0.0 0.0 0.0 2.6 7.0 6.8 0.0 0.0 0.911 3.7 0.0 43.4 0.0 0.0 0.0 13.0 52.4 37.0 0.0 0.0 0.712 1.2 0.0 0.3 0.0 7.6 0.5 1.8 63.3 0.1 0.0 0.0 1.413 1.7 0.0 7.6 1.7 6.3 21.8 11.8 1.4 1.7 0.0 0.0 5.714 5.2 1.8 32.8 0.6 7.4 9.2 20.6 5.9 63.3 0.0 0.0 0.015 0.0 5.1 35.7 0.8 0.0 7.2 1.5 1.2 4.7 0.0 0.0 0.016 30.9 0.0 26.3 0.0 8.4 11.2 0.2 1.9 161.8 0.0 0.0 0.017 0.0 17.4 0.3 4.7 0.0 1.4 2.9 0.0 28.6 11.1 0.0 0.118 0.0 32.6 2.8 2.1 0.0 0.0 5.5 0.0 8.9 0.1 0.0 58.319 0.0 0.1 3.7 1.4 0.3 0.0 3.6 39.3 5.9 0.0 0.0 0.120 0.0 24.3 0.5 1.9 4.9 0.0 0.0 27.2 2.2 0.0 0.0 0.021 0.0 0.9 8.5 2.4 23.6 0.0 0.8 0.3 0.0 0.0 0.0 11.122 20.7 92.5 1.8 21.4 0.0 1.5 2.8 0.0 0.0 0.0 0.0 10.323 0.0 0.0 0.0 17.4 21.0 0.1 11.3 0.0 0.0 0.0 0.0 6.624 6.3 12.3 0.2 1.6 8.8 0.0 3.1 0.0 0.0 0.0 2.7 0.325 3.3 18.6 3.6 0.0 16.1 3.3 4.9 0.0 0.0 0.0 17.5 0.026 0.0 3.6 0.0 65.3 0.0 1.1 0.0 0.2 0.0 0.0 0.4 22.027 1.9 12.1 0.0 21.2 0.0 0.0 3.5 0.1 0.0 0.9 2.6 51.328 2.5 23.4 0.3 2.5 26.7 2.4 0.7 0.0 0.0 0.0 156.9 25.829 8.2 3.3 0.0 2.8 0.2 10.7 17.1 0.0 0.0 0.0 14.9 10.530 6.0 1.4 0.0 0.0 4.4 22.0 0.1 0.0 0.0 0.0 0.031 0.3 0.0 50.1 28.3 0.0 0.0 0.0

Total 184.1 296.0 242.8 162.5 187.1 196.4 187.9 270.8 553.5 16.7 210.8 220.0Rainy Day 17 20 23 18 15 21 23 20 17 9 8 19Annual 2728.6 Total Rainy Day 210

MAX 1 DAY RAINFALL 161.80 MM. 16 DEC MAX 2 DAY RAINFALL 190.40 MM. 16 DEC

MAX 3 DAY RAINFALL 229.80 MM. 14 DEC MAX 4 DAY RAINFALL 258.40 MM. 14 DEC

MAX 5 DAY RAINFALL 267.30 MM. 14 DEC MAX 6 DAY RAINFALL 273.20 MM. 14 DEC

MAX 7 DAY RAINFALL 297.20 MM. 11 DEC MAX 8 DAY RAINFALL 306.10 MM. 11 DEC

MAX 9 DAY RAINFALL 332.90 MM. 8 DEC MAX 10 DAY RAINFALL 362.90 MM. 7 DEC

Average 1986-2007Monthly 4726.9 4755.5 4244.8 3227.9 4171.5 5202.6 7125.1 5275.7 4255.1 1149.6 1594.5 2692.4Annual 48421.6

Daily Rainfall Data in Millimeters for Water Year 2007

Ban K.M.29, A. Betong, Yala (971175)

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EVAPORATION DATA

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DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 7.0 3.0 4.0 4.0 2.4 3.0 4.0 0.8 4.0 4.0 0.5 4.02 7.0 0.8 4.0 4.0 4.0 3.0 2.0 3.0 2.0 3.0 1.0 5.03 4.0 0.5 3.3 5.0 4.0 3.2 0.4 4.0 3.0 2.0 1.3 5.04 4.1 1.3 4.0 4.4 4.0 1.5 1.0 4.0 2.0 2.0 0.3 5.05 4.0 1.1 2.5 3.0 5.7 2.4 0.2 4.0 5.0 3.0 3.0 5.06 2.0 2.0 5.0 3.0 2.3 1.5 1.0 3.0 3.0 3.0 3.0 5.07 2.0 0.9 5.0 4.0 0.2 4.0 5.0 4.0 5.0 3.0 3.0 3.08 4.0 4.0 5.0 7.0 1.4 4.0 1.6 3.0 1.0 3.0 2.0 5.09 2.9 0.6 6.0 1.8 2.3 3.2 3.1 4.0 2.0 2.0 3.0 6.010 3.2 7.0 4.0 4.5 1.0 1.5 3.5 4.0 4.0 3.0 4.0 5.011 1.0 0.2 4.6 4.0 1.0 0.2 0.6 2.0 2.0 3.0 3.0 3.012 0.0 0.3 2.0 5.0 4.0 2.5 0.4 3.0 2.0 3.0 3.0 4.013 1.5 3.5 6.0 3.0 3.0 2.0 1.5 2.0 4.0 3.0 4.0 4.014 2.0 7.0 6.0 3.0 6.0 1.0 2.7 1.0 3.0 4.0 3.0 2.015 2.0 0.7 4.0 4.0 3.2 1.2 1.5 2.0 2.0 3.0 3.0 3.016 7.0 3.7 5.9 4.0 1.4 4.1 4.0 2.0 3.0 4.0 3.0 1.617 6.0 2.6 5.0 2.6 1.5 3.0 3.0 4.0 3.0 3.0 4.0 6.018 2.9 3.0 3.6 3.0 4.0 0.7 3.0 2.7 3.0 1.0 4.0 6.019 6.0 2.0 2.9 3.0 6.0 1.8 3.0 3.0 2.0 3.0 4.0 4.020 5.0 5.0 5.0 4.0 4.0 1.5 5.0 2.0 3.0 5.0 3.0 5.121 8.0 6.0 5.0 7.0 3.3 4.0 4.0 2.0 2.0 5.0 4.0 4.022 4.0 3.0 3.0 3.0 2.0 5.0 4.0 3.0 2.0 3.0 3.0 4.023 4.0 5.0 4.0 2.2 1.8 5.0 3.0 2.0 3.0 3.0 4.0 5.024 6.0 6.0 5.2 2.0 2.6 4.0 5.0 3.0 3.0 2.8 4.0 3.025 0.5 6.0 3.4 4.2 1.0 2.8 4.0 4.0 2.0 3.0 5.0 2.626 5.0 2.0 1.7 3.1 5.2 4.1 1.0 4.0 2.0 4.1 4.0 3.027 2.0 2.0 3.8 4.3 3.0 2.6 3.0 3.0 2.0 0.1 3.0 5.228 1.0 2.2 3.0 2.3 2.0 2.2 5.0 2.0 1.0 3.0 4.0 3.429 2.0 2.2 1.0 1.3 0.7 4.6 4.0 3.0 2.0 4.0 3.0 4.030 1.0 2.0 4.0 2.0 2.3 3.0 2.6 2.0 3.0 1.2 4.031 6.0 4.0 2.0 1.3 3.0 4.0 4.0

Total 107.1 91.6 121.9 111.7 87.3 82.6 83.4 85.5 83.0 93.2 89.1 128.9Mean 3.6 3.0 4.1 3.6 2.8 2.8 2.7 2.9 2.7 3.0 3.1 4.2Annual 1165.3

Average 1969-2007Monthly 129.6 117.1 115.0 111.1 101.9 90.7 97.7 93.1 90.6 94.9 107.9 134.4Daily 4.32 3.78 3.83 3.58 3.29 3.02 3.15 3.10 2.92 3.06 3.72 4.34Annual 1284.0

Daily Evaporation Data in Millimeters for Water Year 2007Chulabhorn Dam, A. Khon San, Chaiyaphum (905284)

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DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 8.1 3.9 4.5 3.0 3.6 3.5 2.6 1.0 2.2 3.9 0.9 4.6

2 6.9 1.4 5.8 3.6 2.1 3.6 4.8 3.1 2.5 2.8 2.0 4.5

3 5.4 1.3 3.6 2.3 2.3 2.2 2.4 1.1 2.3 2.6 3.7 4.3

4 6.3 0.9 4.5 2.4 3.8 4.0 2.6 1.5 2.3 2.3 3.8 4.8

5 6.4 0.2 4.7 2.7 3.1 3.4 2.9 1.0 2.6 2.3 3.9 3.9

6 5.5 0.9 2.9 1.3 3.6 2.7 1.6 1.6 2.7 2.3 3.9 2.7

7 4.4 2.0 2.8 3.9 5.3 2.3 0.7 2.7 2.6 2.4 3.9 4.9

8 5.4 3.5 4.5 4.8 4.5 3.5 3.1 3.6 3.5 2.3 4.0 3.7

9 6.3 3.5 4.8 5.4 1.2 5.2 3.4 3.4 3.6 2.9 4.6 2.6

10 6.4 3.3 5.5 3.6 2.6 3.8 3.8 4.3 2.6 3.2 4.3 4.4

11 5.4 1.8 3.7 3.7 2.8 3.5 1.0 3.2 3.6 3.1 4.1 5.6

12 6.4 3.1 2.5 4.2 2.0 3.3 3.2 3.2 2.2 2.9 4.1 5.9

13 4.5 3.0 2.6 3.3 3.5 3.5 1.1 2.6 2.9 3.0 4.8 5.8

14 3.7 1.5 3.5 2.5 2.9 4.4 2.1 0.5 2.8 2.8 5.4 6.1

15 3.6 2.4 4.2 3.8 2.2 3.3 1.5 1.5 2.5 2.9 4.0 4.5

16 3.8 5.6 4.0 1.0 1.0 2.6 1.2 2.8 1.9 2.8 5.1 5.2

17 6.4 5.9 5.6 4.0 3.7 4.4 2.1 3.7 2.8 2.6 5.8 5.9

18 5.4 3.2 5.9 3.9 5.2 1.7 3.7 2.8 2.8 3.3 4.1 4.6

19 4.9 4.5 4.0 3.0 4.3 1.2 2.9 2.0 2.4 3.4 3.5 4.1

20 5.3 1.9 3.1 1.4 4.3 0.5 1.6 2.1 3.1 3.8 3.9 5.1

21 7.2 1.5 4.0 0.4 4.8 2.0 2.7 1.7 3.5 3.4 3.9 5.8

22 7.3 2.9 5.3 3.7 3.0 3.4 3.1 2.3 3.6 3.3 4.1 4.7

23 7.0 4.8 5.7 3.6 1.9 5.3 3.0 2.2 3.0 2.8 4.5 4.5

24 7.0 5.0 5.7 2.2 1.3 3.9 3.2 2.7 3.2 2.3 3.7 3.5

25 8.1 6.1 3.3 3.7 3.1 3.5 2.7 3.5 2.6 3.2 4.8 5.6

26 5.5 5.7 2.8 4.6 5.3 3.2 3.2 1.7 2.3 2.1 4.9 5.8

27 6.6 7.1 0.4 3.7 5.3 3.3 3.4 3.0 2.8 3.6 3.4 6.7

28 3.7 4.5 2.3 6.1 3.6 5.6 3.5 2.1 2.5 0.6 4.9 7.2

29 5.8 4.6 1.5 4.4 3.3 2.1 3.8 2.5 2.8 3.0 4.4 4.5

30 5.4 3.1 3.6 3.3 3.1 2.9 2.2 2.0 2.1 3.9 4.9

31 4.5 4.8 4.4 3.3 2.7 2.0 2.0

Total 174.1 103.6 117.3 104.3 103.1 97.8 82.4 71.4 85.0 87.8 118.4 148.4Mean 5.8 3.3 3.9 3.4 3.3 3.3 2.7 2.4 2.7 2.8 4.1 4.8Annual 1293.6

Average 1987-2007Monthly 176.6 151.3 123.3 110.1 108.2 107.4 104.5 86.1 80.3 95.2 124.3 169.4Daily 5.89 4.88 4.11 3.55 3.49 3.58 3.37 2.87 2.59 3.07 4.29 5.47Annual 1436.7

Daily Evaporation Data in Millimeters for Water Year 2007Ban Kong Hin, A. Hot, Chiang Mai (907695)

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DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 7.7 1.4 5.5 4.5 5.4 2.7 4.1 2.0 3.5 7.3 3.2 5.62 7.7 0.7 5.8 4.6 3.4 3.9 4.1 2.9 3.5 5.3 4.8 7.03 7.8 2.0 4.7 3.8 3.2 5.0 3.6 3.4 3.5 4.3 4.1 6.74 7.7 2.3 3.8 3.3 1.4 4.6 4.0 3.3 3.8 3.5 3.1 5.85 6.9 2.1 5.6 0.4 4.1 3.7 1.0 3.2 3.6 3.9 1.9 5.76 5.7 0.8 5.6 1.3 3.7 4.8 4.2 3.7 3.9 3.6 4.6 5.87 6.6 2.6 5.6 1.6 2.3 4.9 5.0 4.3 3.9 4.2 5.2 5.28 6.6 3.1 7.1 5.0 2.3 7.1 4.5 4.3 3.7 3.8 6.0 4.59 5.7 4.6 4.5 5.7 0.1 8.6 1.8 5.4 3.6 3.9 6.7 5.510 6.3 4.3 6.5 5.5 1.0 5.5 3.3 4.7 4.0 3.6 3.8 4.011 3.6 5.5 7.1 4.7 1.3 3.2 2.4 3.7 3.5 4.1 4.7 4.812 2.8 3.2 6.4 5.7 4.1 5.8 1.0 1.6 3.7 6.1 5.4 5.013 4.0 3.2 6.6 5.3 4.0 5.7 1.8 1.5 4.1 5.9 4.6 5.214 3.8 2.9 6.5 3.5 4.5 3.8 3.2 1.9 4.0 4.3 5.1 4.315 5.0 3.2 7.0 3.9 5.4 3.7 2.5 2.5 4.6 4.2 4.8 5.016 5.2 4.3 7.0 3.3 4.4 2.3 2.5 5.3 2.8 6.0 4.0 5.617 7.0 3.6 6.2 2.3 5.7 2.8 2.0 3.6 3.0 5.1 6.9 5.418 8.0 5.1 5.9 4.6 1.9 3.5 4.7 2.9 3.0 5.2 6.3 6.719 8.0 5.3 4.6 5.3 5.9 3.8 3.0 0.6 3.7 4.2 4.5 6.320 4.5 4.4 4.2 2.0 4.5 0.9 4.8 2.1 3.8 4.8 6.3 5.921 6.3 6.3 5.0 4.2 5.1 1.7 3.8 2.2 4.1 3.7 5.7 5.922 7.7 3.6 5.6 4.8 4.0 2.9 3.0 3.1 4.6 4.5 4.4 6.623 7.0 2.7 4.9 4.7 4.4 5.8 2.6 4.3 5.4 4.7 7.0 4.724 7.6 4.0 3.2 2.7 3.7 6.6 5.6 4.3 4.8 6.3 4.5 7.225 6.7 7.5 4.3 5.5 5.0 5.4 3.2 3.8 3.8 2.0 5.4 4.726 7.8 7.1 3.6 4.4 6.5 5.4 4.3 3.7 4.2 2.3 4.3 6.127 9.7 6.1 0.7 4.0 6.2 5.1 2.7 3.3 3.8 3.6 2.2 6.928 3.2 7.2 2.0 4.0 2.6 4.1 1.7 4.8 4.0 3.7 4.9 5.429 4.0 6.9 2.3 4.2 2.3 3.2 3.6 4.2 3.4 3.7 5.1 5.730 5.0 6.1 5.1 4.7 2.3 1.5 5.7 3.5 4.5 4.2 6.931 6.6 4.9 2.4 1.0 4.5 5.3 4.0

Total 185.6 128.7 152.9 124.4 113.1 128.0 100.7 100.1 120.3 137.3 139.5 174.1Mean 6.2 4.2 5.1 4.0 3.6 4.3 3.2 3.3 3.9 4.4 4.8 5.6Annual 1604.7

Average 1970-2007Monthly 213.3 175.6 138.5 139.5 127.7 130.9 121.9 122.5 134.0 146.0 162.2 203.4Daily 7.11 5.66 4.62 4.50 4.12 4.36 3.93 4.08 4.32 4.71 5.59 6.56Annual 1815.5

Daily Evaporation Data in Millimeters for Water Year 2007Srinagarind Dam, A. Sri Sawat, Kanchanaburi (913304)

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DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 6.4 1.8 4.2 1.7 2.2 2.3 1.6 1.8 3.1 2.7 3.1 4.72 6.5 2.1 3.4 1.9 2.1 3.7 2.0 2.3 2.0 3.3 2.9 5.23 4.4 2.2 4.4 3.5 1.6 2.9 1.6 1.5 3.1 3.1 3.1 5.64 6.4 3.2 4.7 2.2 1.8 3.3 1.7 1.9 2.6 2.4 4.0 3.35 5.6 1.3 3.0 2.0 1.6 3.1 2.1 2.0 2.2 3.1 3.1 5.86 7.5 1.2 3.6 1.2 1.9 3.5 2.0 2.0 3.0 3.0 2.3 3.27 5.9 1.7 3.2 2.6 2.3 3.2 2.0 2.1 2.8 3.1 3.9 4.38 6.1 4.9 4.4 3.4 2.4 3.6 2.4 1.9 2.8 2.2 4.0 3.29 6.2 4.4 5.0 2.3 1.4 3.0 2.0 1.4 2.8 2.1 4.4 3.610 6.3 4.2 4.1 3.6 2.0 3.1 2.2 2.1 2.4 2.9 4.2 4.111 4.4 2.4 5.5 2.1 2.2 2.7 2.6 1.5 2.7 2.8 3.1 3.912 5.3 4.8 5.1 3.0 2.6 4.7 2.0 1.7 2.2 4.3 4.9 3.813 5.1 3.1 5.4 3.4 2.7 3.2 1.8 1.7 2.1 4.3 4.4 5.714 3.5 4.8 4.5 2.0 2.4 3.8 3.2 2.1 2.6 4.6 4.8 2.415 3.3 2.8 4.3 3.1 4.0 2.4 3.9 1.6 2.7 3.8 3.2 4.616 5.0 3.9 4.6 2.4 2.2 2.1 1.9 2.0 2.2 4.3 3.8 2.617 5.0 3.1 3.7 1.6 2.9 1.7 2.1 2.2 2.4 4.1 4.3 5.618 5.8 4.4 4.4 3.2 4.1 2.2 1.7 2.4 2.1 4.3 4.0 5.319 4.7 3.7 3.8 3.6 3.4 3.0 3.2 2.1 2.3 4.1 3.6 5.820 5.5 3.2 4.0 2.9 1.8 1.7 3.2 2.1 3.5 4.2 4.9 5.921 4.9 4.6 5.0 2.7 3.0 1.5 2.7 2.0 3.5 4.1 4.1 5.922 5.6 4.8 4.8 3.5 3.2 3.2 2.1 2.4 4.0 3.9 4.3 5.223 6.1 2.2 5.6 3.2 3.4 3.0 1.2 3.4 4.7 4.7 5.0 5.524 6.2 2.5 4.8 3.2 2.0 4.0 3.9 3.1 3.4 3.4 4.1 5.525 6.8 3.5 3.4 4.2 3.4 4.4 2.5 2.4 3.3 2.5 3.9 4.826 4.1 2.9 3.0 3.5 3.1 4.1 1.3 3.4 3.0 3.1 4.4 4.627 4.6 3.0 1.0 3.6 3.6 3.4 1.1 3.2 4.4 3.3 3.0 4.728 3.4 4.0 1.8 3.4 2.4 2.3 2.0 3.3 4.1 4.0 4.3 4.729 1.9 4.5 2.4 2.9 2.0 3.3 2.1 2.8 4.2 3.9 4.8 5.430 2.3 3.1 3.0 3.1 2.4 2.7 3.6 3.1 4.1 3.7 5.531 4.7 2.6 1.4 1.4 3.9 4.1 4.9

Total 154.8 103.0 120.1 87.6 77.5 91.1 69.1 67.5 94.2 109.4 113.9 145.3Mean 5.2 3.3 4.0 2.8 2.5 3.0 2.2 2.3 3.0 3.5 3.9 4.7Annual 1233.5

Average 1972-2007Monthly 193.0 146.2 111.1 106.3 97.6 105.8 102.7 104.7 117.9 137.4 154.4 193.3Daily 6.43 4.72 3.70 3.43 3.15 3.53 3.31 3.49 3.80 4.43 5.32 6.24Annual 1570.4

Daily Evaporation Data in Millimeters for Water Year 2007Ban Phu Toei, A. Sai Yok, Kanchanaburi (913314)

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DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 7.0 1.7 2.8 1.5 0.3 2.1 3.2 2.0 1.6 4.4 2.2 4.62 6.8 1.4 3.3 1.8 1.9 1.4 4.1 1.5 3.2 2.9 4.1 4.03 6.4 1.1 5.1 0.8 3.7 1.5 2.8 4.1 2.7 4.7 3.7 5.34 5.5 1.0 5.3 1.2 2.2 3.3 1.5 1.1 3.0 1.3 3.9 4.95 5.5 1.0 2.2 1.1 1.6 3.1 0.9 3.8 2.0 2.6 3.4 3.46 5.8 9.2 6.3 2.6 0.2 2.8 2.5 1.9 4.5 3.4 3.7 3.07 5.3 5.2 1.5 2.7 2.2 1.9 0.9 2.8 3.2 2.3 4.7 4.48 4.9 3.9 7.4 1.3 2.0 3.2 2.6 3.8 2.8 2.0 4.3 4.39 4.9 3.9 4.0 4.0 1.0 0.8 1.8 1.7 3.9 2.8 4.2 4.910 5.2 5.3 4.9 2.4 1.8 4.1 8.6 4.3 1.3 3.0 2.7 4.111 5.5 1.3 6.2 2.6 1.7 3.8 3.6 4.1 3.2 3.6 4.5 4.312 3.7 2.9 5.2 2.5 3.6 3.1 2.0 2.5 3.4 3.8 3.4 5.513 2.7 2.3 3.2 0.7 3.0 3.7 1.3 2.1 1.2 3.4 3.2 4.614 2.0 2.8 4.9 0.6 5.0 2.7 3.5 2.0 4.3 3.3 3.3 4.615 3.5 1.7 5.0 4.3 2.2 3.1 2.0 2.5 2.3 4.0 3.7 4.416 4.8 3.5 4.2 2.0 1.7 2.1 3.0 3.5 3.1 4.0 2.6 4.117 7.9 3.3 3.3 0.8 1.8 1.9 3.2 3.5 3.4 3.3 4.4 4.218 7.3 1.3 4.4 3.1 4.2 1.6 2.9 1.0 3.4 4.7 2.5 4.019 5.8 3.0 3.6 3.2 1.8 2.1 2.3 1.5 3.4 3.0 4.3 4.020 7.5 4.1 5.0 2.0 3.1 1.2 4.1 0.7 3.3 1.5 4.9 3.921 7.1 3.9 7.3 0.4 4.5 0.2 4.2 3.2 3.2 2.5 4.5 5.622 7.5 2.0 3.1 3.0 2.3 2.9 1.7 1.3 3.8 3.1 4.0 5.223 6.3 1.4 5.4 3.9 2.2 3.4 2.9 3.1 3.9 3.8 2.6 5.024 5.3 1.9 4.4 2.0 2.5 3.3 3.0 3.1 2.5 1.7 5.2 1.925 5.6 3.9 1.9 4.8 3.6 3.5 3.3 2.1 2.7 3.0 2.2 2.226 4.3 2.4 0.8 4.7 3.9 3.8 3.7 2.8 2.7 4.3 4.2 4.427 5.0 1.2 1.1 4.0 5.0 2.9 1.9 3.8 3.5 3.7 4.3 4.128 3.0 4.2 2.1 1.3 1.5 1.3 1.9 1.6 2.0 2.8 3.4 3.629 3.0 4.4 3.0 2.6 3.6 2.3 1.8 4.0 1.6 3.4 4.0 5.430 2.7 4.3 2.9 4.2 0.2 0.9 3.7 2.3 3.6 3.9 6.031 2.7 1.8 2.0 3.0 2.0 2.5 12.1

Total 157.8 92.2 119.8 73.9 76.3 74.0 87.9 77.7 90.7 98.7 108.1 142.0Mean 5.3 3.0 4.0 2.4 2.5 2.5 2.8 2.6 2.9 3.2 3.7 4.6Annual 1199.1

Average 1982-2007Monthly 184.6 141.4 99.3 96.3 111.7 103.8 111.3 108.5 109.7 116.4 135.1 175.1Daily 6.15 4.56 3.31 3.11 3.60 3.46 3.59 3.62 3.54 3.75 4.66 5.65Annual 1493.2

Daily Evaporation Data in Millimeters for Water Year 2007Vajiralongkorn Dam, A. Thong Pha Phum, Kanchanaburi (913464)

Page 65: HYDROLOGICAL YEARBOOK WATER YEAR 2007water.egat.co.th/yearBook/yearbook_report/YEARBOOK2007...YEARBOOK WATER YEAR 2007 Water Resources Management Department Survey Division Electricity

DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 8.0 3.5 5.0 6.0 5.0 7.0 4.2 2.0 3.5 4.5 2.5 5.02 10.0 3.5 6.0 6.5 2.2 5.5 3.5 2.5 4.0 4.0 1.2 5.03 9.0 5.9 6.0 6.5 6.5 5.5 3.2 4.5 4.0 4.0 2.0 5.04 9.0 4.3 7.8 7.0 6.5 5.3 3.1 4.0 4.0 3.0 2.1 6.05 7.0 0.0 4.5 7.0 6.0 1.7 0.0 4.0 4.0 3.0 1.5 6.06 6.5 2.5 5.0 6.5 5.6 6.0 3.5 5.0 3.5 3.5 3.5 5.57 6.5 1.1 8.5 7.5 2.8 2.3 3.5 5.0 3.5 4.0 5.0 5.0

8 6.0 4.0 9.0 7.5 1.2 5.0 0.0 5.0 4.0 3.5 5.0 5.5

9 7.0 8.0 9.0 7.0 -99.9 0.0 4.0 5.0 3.5 4.0 4.5 5.0

10 6.0 7.0 9.5 7.5 4.5 4.0 3.8 4.5 4.0 5.0 5.0 5.0

11 6.0 7.0 8.5 7.0 5.0 4.0 3.2 5.0 3.5 4.5 4.5 6.0

12 2.5 4.6 8.0 7.2 5.1 3.8 3.1 2.6 4.0 5.0 5.0 6.0

13 2.0 4.0 5.0 7.1 4.0 4.0 4.4 4.0 3.5 4.5 5.0 6.0

14 4.5 2.6 7.4 7.5 4.5 3.8 4.3 4.0 4.0 5.0 5.5 6.0

15 5.0 4.9 5.5 7.5 6.5 5.0 3.9 4.5 3.5 4.5 4.0 5.5

16 6.0 3.2 6.5 7.0 8.0 4.0 5.0 5.0 4.0 5.0 4.0 5.5

17 8.0 6.2 7.0 5.6 5.0 4.2 4.5 5.0 4.0 5.0 4.5 5.5

18 6.0 6.0 5.2 2.8 5.0 4.0 5.0 5.0 4.0 4.5 4.5 7.0

19 7.3 7.5 7.0 6.5 6.0 4.4 5.5 4.5 4.0 4.0 4.0 6.0

20 4.5 6.0 4.5 5.0 5.5 4.6 6.0 5.0 4.0 4.0 4.5 6.4

21 8.5 7.0 4.3 0.0 4.0 3.5 6.0 5.0 4.5 4.0 5.0 5.0

22 9.0 8.1 7.5 3.7 3.7 5.5 4.5 5.0 4.0 4.5 4.5 4.4

23 9.0 5.5 6.5 6.0 4.0 6.0 4.0 5.0 4.5 4.0 5.0 5.0

24 9.0 8.0 5.9 6.8 4.8 7.0 4.5 4.5 4.5 5.0 5.0 5.0

25 9.0 8.5 4.0 6.0 -99.9 6.5 6.0 5.0 4.5 4.2 5.5 5.0

26 5.5 8.0 6.0 8.5 4.0 4.0 4.5 5.0 4.0 2.3 5.0 5.0

27 7.0 8.5 5.0 6.0 5.0 5.0 3.5 5.0 4.5 3.5 5.0 5.5

28 8.5 4.6 3.5 6.0 4.0 3.0 5.0 5.0 4.5 4.0 5.5 5.0

29 8.5 5.0 5.5 6.5 4.0 4.4 4.0 4.5 4.0 4.0 5.0 5.0

30 9.8 4.5 6.5 6.0 -99.9 4.0 5.0 4.0 4.0 3.3 5.5

31 5.0 7.0 4.5 4.8 3.5 4.0 5.0

Total 210.6 164.5 189.6 194.7 133.0 125.5 134.1 123.0 127.3 123.3 168.3Mean 7.0 5.3 6.3 6.3 4.4 4.0 4.5 4.0 4.1 4.3 5.4Annual

Average 1965-2007Monthly 169.5 164.6 147.4 143.3 128.5 113.1 124.3 122.4 120.1 118.4 120.1 158.0Daily 5.59 5.28 4.83 4.57 4.13 3.70 3.95 3.98 3.81 3.76 4.08 5.06Annual 1629.8

Remark : the value -99.9 indicated the missing data.

Daily Evaporation Data in Millimeters for Water Year 2007Ubolratana Dam, A. Ubolratana, Khon Kaen (914424)

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DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 6.0 3.0 4.0 4.0 1.0 3.0 1.0 1.0 3.0 4.0 0.5 2.02 8.0 2.0 4.0 2.0 4.0 3.0 3.0 2.0 2.0 4.0 2.0 4.03 7.0 2.0 4.0 3.0 3.0 1.0 4.0 1.0 4.0 3.0 2.0 4.04 7.0 2.0 3.0 5.0 3.0 4.0 2.0 2.0 2.0 3.0 2.0 5.05 7.0 1.0 3.0 4.0 3.0 3.0 1.0 2.0 2.0 2.0 2.0 5.06 7.0 1.0 4.0 2.0 3.0 2.5 2.0 2.5 2.0 3.0 4.0 5.07 8.0 1.0 7.0 2.0 7.0 1.0 2.0 3.0 3.0 3.0 4.0 5.08 7.0 1.5 7.0 5.0 4.0 6.0 3.0 3.0 3.0 3.0 4.0 5.09 6.0 1.0 6.0 4.0 1.0 6.0 1.5 3.0 2.0 3.0 4.0 4.010 6.0 4.0 7.0 4.0 3.0 5.0 1.0 2.0 2.0 3.0 4.0 7.011 8.0 5.0 7.0 5.0 3.0 3.0 1.0 2.0 2.0 3.0 4.0 6.012 7.0 1.0 3.0 1.0 1.0 2.0 3.0 2.0 2.0 3.0 4.0 6.013 8.0 1.0 4.0 5.0 2.0 5.0 2.0 3.0 2.0 3.0 4.0 6.014 8.0 3.0 3.0 3.0 3.0 1.0 3.0 3.0 3.0 4.0 5.0 6.015 8.0 3.0 6.0 3.0 3.0 1.5 3.0 3.0 2.0 3.0 4.0 6.016 8.0 2.0 3.5 1.0 2.0 5.0 3.0 3.0 2.0 3.0 4.0 6.017 7.0 1.0 2.0 7.0 1.0 5.0 4.0 3.0 2.0 4.0 4.0 6.018 6.0 3.0 4.0 7.0 1.0 2.0 3.0 3.0 2.0 2.0 4.0 6.019 6.0 4.0 3.5 1.0 8.0 1.0 2.0 1.0 3.0 3.0 4.0 6.020 5.5 4.0 5.0 4.0 6.0 1.0 2.0 2.0 3.0 3.0 4.0 6.021 7.0 1.2 6.5 1.2 3.0 3.0 2.0 1.0 3.0 4.0 4.0 6.022 8.0 3.0 5.0 2.0 2.0 4.0 2.0 1.0 3.0 3.0 4.0 6.023 10.0 3.0 6.0 3.0 7.0 4.0 3.0 2.0 3.0 3.0 4.0 5.024 10.0 4.5 6.0 2.0 4.0 3.0 3.0 3.0 3.0 3.0 5.0 5.025 9.0 5.0 4.0 3.0 1.0 7.0 3.0 2.5 4.0 3.0 5.0 4.026 10.0 7.0 4.0 6.0 3.0 3.0 3.0 2.0 3.0 3.0 5.0 6.027 8.0 7.0 4.0 6.0 6.0 2.0 3.0 2.0 3.0 3.0 1.0 6.028 5.8 6.0 5.2 6.0 1.0 3.0 3.0 2.0 3.0 1.0 3.0 6.029 6.0 6.0 3.0 3.0 3.0 2.0 3.0 2.0 2.0 2.0 3.0 6.030 2.0 6.0 4.0 4.0 2.0 3.0 3.0 2.0 2.0 3.0 6.031 3.5 1.0 2.0 1.0 3.0 3.0 9.0

Total 216.3 97.7 137.7 109.2 96.0 95.0 75.5 66.0 80.0 93.0 103.5 171.0Mean 7.2 3.2 4.6 3.5 3.1 3.2 2.4 2.2 2.6 3.0 3.6 5.5Annual 1340.9

Average 1979-2007Monthly 177.1 136.7 105.6 90.9 90.5 87.3 91.4 80.1 76.1 82.6 104.9 160.4Daily 5.90 4.41 3.52 2.93 2.92 2.91 2.95 2.67 2.45 2.67 3.62 5.17Annual 1283.7

Daily Evaporation Data in Millimeters for Water Year 2007Mae Chang Dam, A. Mae Moh, Lampang (916285)

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DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 5.9 2.2 3.6 1.9 2.0 3.0 2.9 1.2 1.2 3.3 0.9 4.82 5.8 1.5 2.9 3.1 2.1 3.7 2.9 1.6 2.2 2.9 0.5 3.93 5.2 2.0 4.6 3.8 3.5 2.4 2.3 1.8 2.4 3.4 1.1 4.34 4.5 1.8 4.5 4.0 3.5 3.4 1.1 3.2 1.8 2.6 1.3 4.25 4.5 0.4 3.5 4.3 3.8 4.1 0.4 3.7 2.9 3.3 4.1 4.56 3.4 0.6 4.0 0.4 4.0 2.8 2.0 4.3 3.4 3.4 3.7 3.97 3.0 0.7 5.9 4.4 2.6 3.1 2.7 3.4 3.3 3.0 4.3 4.18 6.2 3.0 5.5 5.0 2.3 3.6 2.6 3.7 3.3 3.6 2.7 4.09 3.5 4.2 5.9 5.4 2.6 2.3 2.8 3.7 2.8 3.5 3.3 3.710 5.7 4.4 6.8 4.2 2.8 2.2 1.3 4.7 2.9 3.9 3.6 3.911 3.2 3.7 6.5 5.2 1.4 3.8 2.2 3.7 3.0 3.8 3.8 3.312 2.1 2.2 6.3 5.7 2.9 4.4 2.3 3.0 3.3 3.8 3.2 3.713 3.3 0.8 6.4 2.8 3.9 1.7 2.7 3.0 3.7 3.7 1.7 3.814 3.3 3.3 6.6 4.9 4.4 2.2 3.1 2.0 2.4 3.5 3.0 5.315 5.6 2.1 4.0 3.8 3.1 2.6 3.0 1.6 2.8 3.2 3.3 4.116 5.5 3.4 3.4 3.9 4.4 2.6 2.3 2.9 3.0 3.8 3.1 5.117 5.5 3.4 2.9 3.7 3.0 2.5 3.6 3.0 2.4 3.8 2.8 4.718 6.2 2.5 4.3 2.9 3.2 2.8 4.3 3.1 3.6 2.5 3.0 5.019 3.9 4.0 5.1 4.2 4.1 2.7 3.9 2.9 3.6 3.8 2.8 4.720 5.1 4.6 3.8 3.4 5.0 3.2 3.6 2.2 3.3 3.1 3.6 4.521 4.2 4.9 4.0 3.0 3.3 2.3 4.6 4.0 3.6 4.3 4.1 5.522 6.9 3.6 3.1 3.9 2.7 2.1 1.8 3.0 3.8 4.8 4.1 4.923 5.0 4.1 3.6 3.1 2.2 3.9 4.6 2.4 3.8 4.2 4.4 4.324 4.7 5.6 1.7 1.2 2.0 3.7 3.8 3.5 3.9 3.7 4.9 1.625 3.0 5.5 4.6 5.1 2.6 4.0 3.5 3.6 2.5 1.8 4.7 4.626 3.8 5.3 0.7 4.5 4.0 4.3 3.5 4.1 1.6 2.1 3.627 4.7 3.7 1.1 4.1 3.2 2.8 4.5 3.4 2.6 3.2 1.628 2.9 3.2 3.9 3.5 2.1 2.8 2.8 2.7 2.5 2.2 3.729 5.5 2.7 2.4 3.0 2.7 2.0 3.9 3.3 2.6 3.2 4.030 2.3 3.5 2.7 5.1 3.6 3.4 3.2 3.8 3.5 1.831 2.5 3.1 1.9 0.4 3.0 1.7

Total 134.4 95.4 124.3 116.6 94.9 90.4 88.6 92.5 90.7 100.9 90.9Mean 4.5 3.1 4.1 3.8 3.1 3.0 2.9 3.1 2.9 3.3 3.1Annual

Average 1982-2007Monthly 157.1 134.7 120.5 113.8 104.3 91.4 95.7 95.9 95.1 102.1 115.2 148.2Daily 5.24 4.35 4.02 3.67 3.36 3.05 3.09 3.20 3.07 3.29 3.97 4.78Annual 1374.2

Remark : Records terminated since 26 March 2008.

Daily Evaporation Data in Millimeters for Water Year 2007Ban Nong Sanoon, A. Dan Sai, Loei (918195)

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DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 6.7 5.6 5.1 3.0 4.4 3.5 2.8 1.9 2.6 1.5 2.3 2.92 7.0 2.5 6.0 2.7 1.8 5.0 2.9 2.0 2.7 2.7 1.3 6.63 7.4 2.7 6.0 4.0 4.3 2.4 1.2 2.8 2.9 2.4 0.5 5.14 7.3 2.9 3.6 3.4 3.8 4.9 0.2 4.2 2.1 2.8 0.9 5.15 5.6 0.7 3.1 3.1 3.3 5.0 1.9 2.6 2.0 2.5 5.4 5.16 6.6 1.7 5.2 1.3 3.2 2.8 3.3 3.2 2.8 3.3 2.6 4.77 4.4 2.5 4.8 4.0 1.9 1.9 3.4 2.9 2.5 2.8 3.1 4.28 7.6 4.7 4.3 4.8 1.3 4.1 2.4 2.9 2.9 1.7 2.1 3.79 4.2 5.7 6.3 4.3 2.4 3.1 2.6 3.1 3.2 2.7 2.7 5.410 4.4 4.4 7.7 3.5 3.5 3.5 3.6 2.9 2.5 2.9 3.3 3.911 4.6 1.8 5.1 4.5 1.6 3.5 3.5 2.3 2.2 2.8 4.4 2.812 5.9 2.9 3.6 4.3 2.5 2.6 3.5 2.0 2.0 2.6 5.2 4.813 6.8 3.1 5.3 1.6 2.6 1.2 4.1 2.3 1.7 3.1 3.3 3.414 6.1 5.7 4.4 3.1 3.6 2.5 3.9 2.8 2.3 2.6 2.6 4.515 6.9 3.9 2.8 3.0 2.5 2.6 3.5 2.5 1.8 3.4 2.8 5.916 6.8 2.5 4.5 3.7 3.2 2.4 3.1 2.5 2.1 3.3 4.5 7.117 7.1 4.3 4.6 6.0 2.6 3.0 2.5 3.0 2.9 4.3 4.1 7.918 7.6 3.8 3.3 4.3 3.4 2.0 2.9 3.5 2.9 2.4 4.3 6.619 6.4 4.3 1.4 1.8 5.4 3.7 4.5 3.0 2.4 4.1 3.6 6.620 7.2 4.0 3.4 5.5 4.9 1.9 2.6 3.3 2.6 3.1 5.1 7.021 8.6 4.8 4.6 3.1 3.8 2.3 3.1 3.3 3.6 3.8 5.4 8.522 8.4 3.7 1.8 2.1 3.2 4.4 3.0 2.2 3.3 4.6 3.6 7.623 8.7 5.5 5.2 2.7 3.4 2.9 4.5 2.5 2.2 3.0 5.1 8.824 9.7 3.9 3.5 2.6 2.2 4.0 3.5 3.7 3.8 2.4 5.7 4.725 8.5 6.3 3.3 4.6 2.6 3.9 3.3 2.9 1.8 2.2 4.3 2.626 5.9 5.0 7.1 2.9 2.0 3.0 2.5 3.5 3.1 1.7 5.327 4.2 6.4 3.8 4.9 4.6 2.3 2.0 2.3 1.7 2.6 2.328 1.9 6.7 3.4 5.0 1.6 2.5 3.7 2.6 1.0 2.9 4.329 5.8 4.8 2.9 3.7 1.3 2.6 4.0 2.0 2.8 2.8 5.730 2.2 3.2 2.5 2.1 2.7 3.1 3.9 2.0 2.7 2.131 0.0 3.5 2.7 2.8 2.3 3.5

Total 190.5 120.0 128.6 109.1 92.3 92.6 94.7 82.7 77.4 88.6 105.8Mean 6.4 3.9 4.3 3.5 3.0 3.1 3.1 2.8 2.5 2.9 3.6Annual

Average 1980-2007Monthly 197.0 168.1 137.4 125.7 112.4 106.2 106.9 99.9 95.9 103.2 128.2 182.5Daily 6.57 5.42 4.58 4.05 3.63 3.54 3.45 3.33 3.09 3.33 4.42 5.89Annual 1563.4

Remark : Records terminated since 26 March 2008.

Daily Evaporation Data in Millimeters for Water Year 2007Ban Pong Bon, A. Wang Thong, Phitsanulok (939175)

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DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 -99.9 4.0 1.0 3.0 2.5 3.0 3.5 3.0 2.0 4.5 3.0 2.02 4.0 3.5 4.0 1.0 3.5 3.0 4.0 3.0 2.0 4.5 4.0 3.03 3.0 3.0 4.5 1.0 1.0 1.0 3.5 3.5 1.0 2.0 2.5 4.04 3.0 4.0 3.0 1.0 4.0 1.0 0.0 3.0 2.0 2.5 1.0 4.55 3.5 3.0 3.0 1.5 3.0 1.0 0.0 3.0 0.0 3.0 2.5 4.56 4.0 1.5 1.0 2.0 1.5 2.0 1.0 3.5 2.5 2.5 3.0 4.57 4.0 1.0 2.5 3.5 1.5 1.0 1.0 4.0 3.0 3.5 3.5 4.58 5.0 3.0 2.0 4.0 1.0 1.0 1.0 4.5 3.5 4.0 3.5 3.59 4.0 3.0 3.5 4.0 1.0 2.0 1.5 2.5 3.0 3.5 3.5 4.510 3.5 3.5 5.5 4.0 2.0 3.0 1.5 3.5 2.5 3.0 3.5 5.011 3.0 3.0 3.0 3.5 1.0 2.0 2.0 4.0 1.0 3.5 3.0 4.512 3.0 4.0 2.5 2.0 2.0 1.0 1.5 1.0 1.5 3.0 3.5 4.013 4.0 4.0 2.0 2.0 3.0 3.0 2.0 2.0 2.0 2.5 4.5 4.514 3.0 3.0 1.0 3.0 2.0 2.0 3.0 2.5 2.5 4.0 3.5 4.015 2.0 2.0 1.0 2.0 2.0 2.0 1.0 3.0 2.0 4.5 3.0 4.516 3.0 2.0 3.0 1.0 1.0 2.0 3.0 3.0 3.0 4.0 3.5 4.017 4.0 3.0 2.0 2.0 1.0 2.0 3.5 3.5 1.0 4.5 4.0 4.518 4.0 3.5 1.0 2.0 2.0 1.0 3.5 3.5 1.5 4.5 4.5 4.519 3.5 3.0 2.0 4.0 1.0 2.0 1.0 3.5 2.0 2.0 4.0 3.020 4.0 3.5 1.5 4.5 3.5 3.0 3.5 4.0 2.5 2.5 4.5 4.521 4.0 4.0 2.0 3.5 2.0 3.5 3.0 4.5 3.0 4.5 4.5 1.522 4.5 3.5 2.5 1.0 1.0 3.5 2.0 1.0 3.7 3.0 4.5 3.023 4.0 3.0 4.0 3.0 1.0 4.0 4.0 1.5 3.0 4.0 4.5 4.524 3.5 4.0 3.5 3.0 1.5 3.5 2.5 3.0 2.5 4.5 4.5 4.525 3.0 5.5 2.0 3.5 2.5 4.0 3.0 3.5 2.5 2.0 4.5 4.026 4.0 4.5 2.5 3.0 2.0 2.0 3.5 2.0 3.0 2.0 3.5 4.027 4.5 4.5 2.0 3.5 1.5 3.0 4.0 2.5 3.5 3.0 4.5 4.528 4.0 1.0 1.0 3.0 2.0 1.0 3.0 3.0 4.5 3.0 4.5 4.529 3.0 2.0 2.0 1.0 2.5 1.5 3.0 3.5 3.0 3.5 4.5 4.530 4.5 1.5 3.5 2.0 1.0 3.0 3.5 4.0 2.5 2.0 4.031 2.5 2.5 2.5 0.5 3.0 3.5 4.5

Total 96.5 74.0 80.0 59.0 67.0 73.0 92.0 74.7 103.0 107.5 125.5Mean 3.1 2.5 2.6 1.9 2.2 2.4 3.1 2.4 3.3 3.7 4.0Annual

Average 1964-2007Monthly 134.7 114.6 93.1 97.2 83.6 87.2 112.1 121.6 122.3 126.4 118.3 139.2Daily 4.49 3.70 3.10 3.14 2.70 2.91 3.61 4.05 3.95 4.08 4.08 4.49Annual 1350.3

Remark : the value -99.9 indicated the missing data.

Daily Evaporation Data in Millimeters for Water Year 2007Nam Pung Dam, A. Phu Phan, Sakon Nakhon (950304)

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DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 4.9 5.1 1.9 3.4 4.0 4.2 2.2 3.2 1.1 0.0 2.1 3.42 4.9 2.7 5.2 3.4 2.3 2.0 0.4 2.6 4.2 0.5 4.2 5.03 5.5 3.1 1.7 3.3 3.0 2.9 1.9 0.7 2.8 3.4 4.5 2.44 3.5 4.0 6.0 1.2 4.2 1.1 1.9 2.3 2.9 0.2 4.5 5.15 7.0 4.2 4.3 1.2 2.7 5.7 3.6 1.0 1.9 2.7 3.6 3.76 2.4 3.7 3.6 3.5 4.0 1.6 1.0 1.0 0.4 4.1 4.6 2.67 4.8 1.2 4.2 2.0 1.1 3.8 3.2 2.0 4.3 2.3 3.9 3.18 4.6 3.2 5.4 1.5 3.7 3.2 2.4 2.6 1.3 2.9 3.5 5.39 4.7 3.3 4.1 0.8 6.2 3.8 4.1 0.4 1.3 3.6 3.8 3.910 3.5 2.2 4.7 1.0 0.9 6.7 3.0 1.6 3.8 2.5 4.4 2.611 6.1 8.8 7.1 1.6 3.5 4.2 2.6 3.2 2.7 5.2 4.4 4.212 3.9 3.7 3.8 3.9 5.3 3.7 3.3 1.4 3.0 3.2 3.0 2.713 4.3 2.9 4.7 2.2 3.2 3.1 2.5 1.8 2.6 4.6 3.2 4.414 2.4 2.6 3.8 2.4 2.4 2.4 3.2 1.6 2.0 2.1 3.8 3.215 4.2 4.2 5.1 4.1 3.4 2.1 5.4 1.9 4.0 4.1 2.0 4.016 4.1 2.5 3.8 2.5 0.6 2.8 2.4 2.0 3.2 2.4 4.2 4.117 3.1 4.2 2.2 2.3 2.1 0.6 1.4 3.5 2.1 2.7 4.7 4.618 8.2 3.7 2.4 0.8 3.6 1.0 1.8 3.3 1.7 2.4 3.5 8.919 8.0 4.5 2.5 6.0 0.7 3.2 2.5 3.5 1.6 2.3 3.4 1.720 4.1 5.9 1.6 5.6 0.5 3.5 0.8 2.5 2.4 4.7 4.2 1.721 4.1 2.5 4.9 5.2 1.3 0.8 2.1 3.0 6.0 4.2 4.4 4.622 5.9 6.8 1.2 4.7 0.1 5.4 0.6 2.4 1.0 2.3 4.3 3.023 4.5 3.7 1.7 2.3 4.2 0.9 4.7 2.1 5.3 3.2 4.7 4.124 4.7 4.7 4.0 1.3 2.9 1.4 0.7 1.3 2.5 2.7 2.0 2.625 4.5 3.5 1.4 6.0 2.3 3.6 2.6 3.4 3.6 4.2 1.7 4.026 6.0 6.5 2.3 3.3 2.8 4.1 0.1 2.9 3.1 2.8 4.8 3.727 5.3 3.5 2.6 2.7 4.3 3.6 2.8 2.5 3.9 4.2 3.2 4.328 3.0 2.2 3.7 4.1 3.0 1.7 3.6 2.9 3.3 3.0 1.2 3.729 0.8 4.5 3.7 2.6 3.4 4.9 0.7 2.8 3.7 4.1 1.0 2.430 1.5 4.4 7.1 1.6 3.4 2.2 0.9 5.9 2.1 3.1 5.831 2.8 5.3 0.2 1.5 2.4 5.6 4.8

Total 134.5 120.8 110.7 91.8 85.3 90.2 69.9 71.3 86.2 95.3 102.8 119.6Mean 4.5 3.9 3.7 3.0 2.8 3.0 2.3 2.4 2.8 3.1 3.5 3.9Annual 1178.4

Average 1982-2007Monthly 175.0 139.2 124.6 125.8 118.4 112.1 110.9 98.9 102.1 124.8 141.8 177.4Daily 5.83 4.49 4.15 4.06 3.82 3.74 3.58 3.30 3.29 4.02 4.89 5.72Annual 1551.0

Daily Evaporation Data in Millimeters for Water Year 2007Rajjaprabha Dam (Chiew Larn), A. Ban Ta Khun, Surat Thani (961315)

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DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 9.6 -99.9 6.5 4.1 4.4 4.2 4.1 1.8 2.6 3.5 1.6 4.72 9.9 -99.9 6.3 3.5 5.1 5.6 5.0 1.4 2.9 3.9 3.0 5.13 8.1 2.3 6.0 2.5 5.7 4.2 4.8 3.0 3.0 2.8 3.0 5.24 6.1 -99.9 2.9 2.4 6.0 5.5 2.7 2.6 2.3 3.2 2.9 5.25 6.5 1.0 5.9 2.8 5.0 2.4 1.1 1.0 3.7 2.9 4.2 4.56 2.1 1.1 5.1 1.0 7.3 4.7 0.7 2.8 3.2 3.1 3.8 5.97 4.9 1.6 4.7 5.8 5.9 3.1 1.9 2.2 3.6 3.0 6.2 2.88 5.8 -99.9 6.1 6.4 2.3 6.3 3.6 4.5 3.5 3.1 4.2 3.69 5.6 2.3 4.9 7.3 2.7 5.0 3.3 3.9 2.8 3.6 3.8 3.110 6.3 4.3 9.0 7.2 1.2 4.5 2.9 3.5 2.7 4.2 4.2 3.911 5.6 3.1 6.7 7.2 1.8 3.8 3.3 3.5 2.1 4.1 4.9 4.712 5.6 2.0 4.6 3.6 0.4 4.2 2.9 2.2 4.8 3.3 5.1 5.313 4.2 -99.9 5.3 5.1 5.3 2.8 1.4 2.7 3.4 5.5 5.0 3.714 3.1 1.3 4.5 2.7 4.0 3.7 1.0 1.1 3.7 3.8 5.0 6.015 4.9 2.9 7.6 3.7 4.2 3.7 4.7 2.9 3.2 3.7 6.2 4.516 5.2 3.8 7.3 2.9 3.5 3.5 2.4 3.3 1.6 3.0 5.1 3.417 6.6 2.9 3.3 5.1 6.7 5.5 3.7 4.0 2.9 3.6 5.6 6.018 7.8 4.7 5.0 4.8 6.9 1.3 2.7 2.8 4.1 2.9 4.1 6.619 6.9 3.8 4.3 4.6 6.8 2.8 3.7 1.7 3.2 3.7 4.1 4.920 8.1 1.4 4.6 7.0 6.5 -99.9 3.6 2.9 3.2 4.3 3.8 5.521 10.1 3.4 4.3 0.2 3.2 2.1 3.8 3.0 4.9 5.2 4.6 7.122 10.0 3.4 6.1 4.6 6.9 2.6 3.9 2.7 4.3 4.6 5.1 6.223 10.1 5.2 6.1 4.2 4.8 4.5 3.6 3.7 4.5 3.6 3.5 4.724 9.0 7.3 6.0 1.3 3.9 5.4 3.1 3.3 4.4 3.4 4.9 4.225 9.9 7.7 4.4 5.3 4.6 5.2 4.1 3.1 3.5 3.7 6.7 5.226 6.1 7.8 1.6 5.7 5.0 3.8 2.9 3.3 3.4 2.8 4.1 7.527 5.8 6.3 2.5 4.8 4.7 3.4 4.4 3.1 3.9 3.6 0.8 5.828 5.8 7.1 1.4 3.8 2.9 3.3 3.6 3.6 3.1 1.2 3.7 9.129 4.1 4.5 2.8 4.0 6.3 -99.9 3.1 3.0 3.6 4.5 4.4 8.130 6.0 4.4 5.8 4.0 2.0 1.5 3.3 3.2 3.1 4.5 7.731 4.7 6.2 1.2 1.4 3.5 3.7 4.3

Total 199.8 151.6 133.8 137.2 96.7 85.8 104.7 112.0 123.6 164.5Mean 6.7 5.1 4.3 4.4 3.1 2.9 3.4 3.6 4.3 5.3Annual

Average 1999-2007Monthly 175.6 136.7 128.3 127.6 125.9 107.2 100.1 98.2 95.1 113.4 127.0 170.9Daily 5.85 4.41 4.28 4.12 4.06 3.57 3.23 3.27 3.07 3.66 4.38 5.51Annual 1505.8

Remark : the value -99.9 indicated the missing data.

Daily Evaporation Data in Millimeters for Water Year 2007Bhumibol Dam, A. Sam Ngao, Tak (963073)

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DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 8.2 3.6 3.9 7.7 4.2 6.3 4.8 4.7 3.1 4.8 4.4 5.32 7.2 7.7 5.0 3.6 2.5 0.0 0.0 2.6 3.3 4.3 3.1 6.23 7.3 6.7 5.4 2.1 2.4 3.0 0.0 4.3 3.9 2.6 4.7 4.94 4.8 3.6 5.8 6.9 3.8 4.9 2.0 2.7 4.1 1.8 3.9 4.45 6.8 7.0 6.2 0.0 6.0 3.2 7.0 4.4 4.4 3.2 3.6 6.16 4.1 3.3 3.8 3.3 0.0 5.1 5.4 3.1 4.1 3.4 3.6 5.47 6.8 6.0 6.4 5.4 3.0 3.5 3.2 5.0 3.9 2.9 3.9 3.58 6.0 2.1 6.6 4.3 2.1 7.5 7.2 4.3 3.8 3.3 5.2 4.99 6.5 6.9 6.4 5.4 3.3 1.5 5.6 4.5 2.8 3.4 5.2 4.610 6.2 7.3 5.9 4.7 3.7 4.7 8.1 2.0 4.5 3.8 4.3 5.611 5.3 5.6 5.8 5.4 3.6 4.5 0.0 3.4 3.7 3.1 3.1 4.812 5.9 6.7 3.5 4.5 2.9 0.5 0.0 6.5 3.8 3.7 5.3 4.913 5.1 4.9 6.5 3.5 3.4 2.3 28.2 3.6 3.5 4.4 4.5 4.114 7.5 5.5 3.8 5.1 4.5 5.3 1.7 4.3 3.4 3.6 4.8 5.915 5.4 3.6 4.4 5.3 7.5 0.0 0.7 4.8 3.5 5.5 4.1 6.116 7.3 4.5 4.6 2.6 6.9 3.2 0.0 4.8 4.1 5.4 3.1 5.217 5.8 4.7 6.6 4.1 6.5 3.0 0.0 1.1 3.8 4.7 3.6 5.618 2.5 7.8 8.1 5.9 4.4 6.4 0.0 2.1 3.4 4.1 4.2 4.919 3.8 4.5 4.5 5.8 3.3 2.9 0.0 3.4 3.6 4.1 5.4 4.320 6.6 6.1 5.6 8.5 3.3 5.1 0.0 4.2 3.1 3.8 5.2 5.921 7.1 5.6 6.1 5.4 6.3 4.6 0.0 4.3 3.9 4.7 4.5 4.422 6.9 6.9 4.3 5.9 4.5 4.5 0.0 4.3 3.6 4.9 3.9 5.223 6.6 6.2 5.8 5.2 3.6 3.6 0.0 4.5 3.9 5.0 3.4 3.424 8.9 6.2 3.8 6.0 4.1 3.6 0.0 4.2 4.3 4.7 3.1 5.825 1.8 7.1 3.4 5.5 3.8 5.1 0.0 3.8 3.9 4.1 3.4 5.926 6.6 5.4 7.1 4.2 4.1 4.1 0.0 4.2 3.5 3.9 4.1 4.627 7.5 0.0 6.4 4.9 6.3 4.7 0.0 4.1 4.1 4.9 7.8 2.928 6.5 3.6 1.5 3.0 2.9 2.3 0.0 4.7 4.3 3.6 6.8 5.429 6.4 4.3 1.3 7.3 4.2 2.8 0.0 2.1 4.0 3.9 9.2 6.230 4.5 3.4 6.3 5.2 7.0 2.2 9.1 2.9 4.5 4.3 6.431 4.2 4.5 4.4 0.0 4.8 5.1 1.9

Total 181.9 161.0 154.8 151.2 128.5 110.4 83.0 114.9 118.6 125.0 131.4 154.7Mean 6.1 5.2 5.2 4.9 4.1 3.7 2.7 3.8 3.8 4.0 4.5 5.0Annual 1615.4

Average 1970-2007Monthly 200.6 181.8 139.7 144.7 121.3 119.3 134.3 136.7 141.8 149.7 145.1 192.7Daily 6.69 5.86 4.66 4.67 3.91 3.98 4.33 4.56 4.57 4.83 5.00 6.22Annual 1807.7

Daily Evaporation Data in Millimeters for Water Year 2007Sirindhorn Dam, A. Sirindhorn, Ubol Ratchathani (967374)

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DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 8.7 6.0 3.9 2.2 2.4 3.1 4.4 4.1 3.5 5.4 0.0 5.82 9.8 2.0 5.8 4.2 2.5 5.7 3.6 2.3 3.8 4.5 2.1 6.13 8.3 3.1 5.9 4.2 3.5 4.1 5.2 4.8 4.0 3.9 4.1 7.34 7.4 6.1 4.0 3.8 6.1 2.4 1.8 6.6 4.3 5.8 3.1 7.15 10.9 1.6 4.9 4.5 5.7 4.4 4.1 3.5 3.6 4.5 4.8 6.56 6.3 0.9 7.2 0.9 5.8 4.3 1.3 4.3 4.9 3.7 3.0 5.17 5.8 2.7 10.7 2.9 5.6 3.1 2.7 4.8 4.3 4.0 5.0 6.28 6.7 4.4 7.2 5.1 0.1 4.2 3.6 4.6 3.9 4.1 4.4 7.29 6.6 6.6 6.8 5.5 2.1 3.2 2.6 4.8 3.6 3.9 4.2 5.710 8.8 6.8 7.6 5.5 2.9 2.4 1.9 4.2 4.3 3.9 3.6 4.011 5.0 3.8 7.0 6.3 2.5 2.1 2.9 4.7 6.2 3.7 6.2 3.412 5.2 4.1 6.7 5.7 2.1 3.9 4.5 3.7 4.3 4.1 5.2 4.213 5.8 4.4 5.5 7.5 4.4 3.3 2.5 4.0 4.7 5.1 5.8 5.814 3.7 4.5 7.1 5.2 4.7 2.8 3.4 4.2 4.0 2.9 5.2 5.115 5.3 3.8 5.8 4.4 1.5 4.0 3.3 5.5 4.0 3.4 4.6 6.016 5.6 4.3 7.3 3.7 -99.9 4.6 4.4 6.5 3.3 6.8 4.9 6.617 7.6 3.6 2.8 4.2 2.9 4.1 3.6 4.5 4.5 5.2 4.4 6.218 8.0 3.3 2.8 3.8 5.0 1.6 7.5 4.7 3.6 4.4 6.4 7.819 5.7 5.1 5.7 2.8 4.1 1.9 4.8 3.0 3.5 4.7 5.6 7.520 9.7 3.5 4.2 3.9 5.1 2.5 5.5 4.4 4.6 4.1 8.4 6.621 6.9 3.0 5.0 3.1 3.9 5.6 4.7 4.7 5.8 5.6 5.5 9.522 10.0 3.3 6.8 4.4 2.7 3.8 4.2 5.8 4.8 6.7 5.5 7.523 7.8 5.3 6.0 4.3 3.1 5.2 4.2 5.0 4.6 5.6 6.8 6.724 9.2 5.1 5.2 1.7 3.8 4.1 5.3 4.9 4.8 5.6 5.2 4.325 6.7 3.4 2.7 6.6 3.6 4.0 4.6 4.6 2.8 3.3 5.5 5.426 5.8 3.4 1.1 6.0 5.3 4.0 4.0 4.1 3.5 4.2 4.7 7.127 8.9 6.7 3.4 7.6 4.7 3.6 4.4 4.8 3.4 4.2 3.3 6.128 4.7 5.4 2.2 4.6 2.1 2.6 3.7 3.7 3.2 2.1 6.0 8.929 5.4 -99.9 6.9 3.8 2.9 2.8 5.0 3.7 4.9 4.4 7.6 9.130 3.8 3.2 4.6 5.0 3.0 4.7 4.9 3.4 5.7 3.7 8.031 1.3 3.0 2.9 1.5 6.0 3.2 4.3

Total 210.1 162.8 136.4 108.1 120.1 133.9 132.4 136.7 141.1 197.1Mean 7.0 5.4 4.4 3.6 3.9 4.5 4.3 4.4 4.9 6.4Annual

Average 1976-2007Monthly 219.5 179.3 147.1 135.3 124.1 124.9 135.6 136.8 138.7 140.8 155.8 206.1Daily 7.32 5.78 4.90 4.36 4.00 4.16 4.38 4.56 4.48 4.54 5.37 6.65Annual 1844.0

Remark : the value -99.9 indicated the missing data.

Daily Evaporation Data in Millimeters for Water Year 2007Sirikit Dam, A. Tha Pla, Uttaradit (970095)

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DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 5.0 4.0 6.0 4.0 1.5 5.5 0.2 2.0 3.0 0.3 3.0 1.52 4.0 5.0 5.0 4.5 2.0 1.0 1.4 2.0 3.0 4.5 3.5 3.03 4.0 5.0 4.2 4.5 4.0 2.0 3.0 0.5 4.0 2.0 4.0 4.04 5.0 4.0 4.2 4.0 8.0 4.6 3.0 4.0 1.7 2.0 6.0 4.05 6.0 5.0 6.0 6.0 5.0 6.0 2.0 0.2 1.0 2.0 1.0 3.06 5.0 4.0 5.7 3.0 6.0 4.5 2.0 2.3 1.0 2.0 7.0 2.07 5.0 3.5 3.5 4.0 6.0 3.5 1.5 1.0 8.0 1.5 5.0 0.08 5.0 3.5 6.0 3.5 1.5 4.3 3.0 0.7 1.0 1.5 6.0 3.09 6.0 3.5 6.2 3.7 5.0 2.7 3.3 1.0 1.0 4.0 5.0 3.010 5.0 5.5 3.7 5.0 4.0 5.0 3.9 0.8 1.2 4.0 4.0 4.011 7.0 5.0 5.0 5.0 5.0 6.0 2.0 1.2 0.3 4.0 5.0 2.212 2.0 5.5 6.0 5.0 0.5 5.0 5.0 1.2 6.0 3.5 5.0 1.013 4.0 3.0 3.2 3.3 8.0 3.5 5.0 3.5 2.3 3.5 4.0 5.014 5.0 3.0 6.6 5.0 6.0 3.0 2.5 4.0 0.0 5.0 5.0 5.015 7.0 4.0 2.5 3.0 5.5 1.5 2.0 2.5 1.2 3.5 5.0 5.016 2.0 6.0 4.0 4.0 4.5 2.0 3.0 2.5 0.0 2.0 4.0 5.017 6.0 3.0 4.0 5.5 4.0 1.0 5.0 4.0 0.0 6.0 4.0 6.018 7.0 2.5 2.0 4.5 3.0 5.0 3.3 5.0 1.5 0.0 4.0 3.019 6.5 4.8 3.5 6.3 4.0 5.0 1.0 2.0 0.2 3.5 5.0 4.020 6.0 5.0 3.5 4.3 3.0 4.5 1.0 1.2 1.5 3.0 6.0 5.021 7.0 4.0 3.0 3.5 4.0 4.0 2.0 3.0 2.0 2.0 6.0 5.022 7.5 2.8 2.5 2.7 5.0 2.3 0.5 3.0 3.0 2.0 5.0 5.023 7.5 8.0 1.4 3.1 4.0 5.0 3.0 3.0 2.5 2.0 3.0 3.824 6.5 6.3 3.5 3.0 4.5 4.0 1.0 1.0 3.5 3.0 4.0 5.025 5.5 5.0 3.0 2.0 7.5 3.5 0.5 2.0 2.5 5.0 5.0 1.726 7.0 4.0 6.0 4.6 5.0 5.0 3.5 3.0 3.0 3.0 4.0 3.027 3.8 2.0 3.0 4.0 5.2 4.0 4.0 0.8 3.0 2.4 4.5 5.228 1.5 4.0 4.0 0.4 3.0 3.0 3.0 0.5 2.0 2.9 0.0 6.229 3.0 3.0 4.0 4.0 3.5 2.0 2.5 3.0 2.0 5.0 0.2 6.030 1.3 6.0 4.0 4.0 5.0 1.2 2.0 1.0 3.0 5.0 7.031 4.5 4.0 5.5 2.0 1.0 4.0 5.0

Total 153.1 134.4 125.2 123.4 138.7 109.6 77.1 61.9 65.4 94.1 123.2 121.6Mean 5.1 4.3 4.2 4.0 4.5 3.7 2.5 2.1 2.1 3.0 4.2 3.9Annual 1327.7

Average 1975-2007Monthly 174.1 154.0 138.2 141.0 140.3 134.6 125.2 101.9 95.7 122.7 146.0 181.9Daily 5.80 4.97 4.61 4.55 4.53 4.49 4.04 3.40 3.09 3.96 5.03 5.87Annual 1655.5

Daily Evaporation Data in Millimeters for Water Year 2007Bang Lang Dam, A. Bannang Sata, Yala (971135)

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DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 2.9 2.6 3.9 2.9 0.8 4.5 1.0 2.9 2.6 1.4 2.8 2.02 1.4 4.0 3.0 3.3 3.2 2.5 1.8 1.3 2.4 1.8 2.3 1.53 4.4 4.4 2.9 3.6 2.7 4.0 2.6 1.3 3.1 2.1 3.2 2.74 4.2 2.5 3.7 2.9 3.5 1.8 3.6 0.9 2.8 1.9 2.7 2.25 3.7 3.1 3.7 3.4 2.5 4.6 2.2 1.6 1.3 1.7 2.7 2.36 2.6 3.3 3.6 2.8 2.8 4.3 1.6 2.3 0.8 2.0 3.6 1.27 3.6 3.7 1.3 1.2 2.2 1.7 2.5 1.2 1.1 2.0 3.3 0.88 4.0 3.3 3.5 1.2 3.4 3.6 2.4 1.8 1.0 1.0 3.3 1.49 3.3 1.5 2.8 2.7 2.8 3.1 3.7 0.7 1.1 3.0 2.9 2.010 2.5 2.7 3.8 3.1 3.7 2.9 2.5 2.0 0.9 3.7 2.7 2.011 2.3 3.8 2.9 2.8 3.5 3.4 1.5 2.9 0.8 3.4 3.6 1.612 3.9 3.1 2.3 2.1 2.2 2.7 1.9 3.1 1.6 3.4 2.1 1.813 3.6 1.6 4.2 0.4 2.2 1.8 4.3 3.0 1.8 3.8 2.8 2.814 2.8 2.4 3.4 1.9 2.0 1.4 1.8 3.5 1.1 3.1 2.2 3.415 4.0 2.3 2.1 1.6 3.8 1.5 3.4 0.7 1.5 3.8 3.1 1.916 3.0 2.6 2.9 2.9 1.2 0.8 3.0 2.5 0.9 3.1 3.8 4.917 3.3 3.3 2.2 2.6 1.5 2.1 2.9 3.0 0.7 1.3 3.6 5.918 4.8 2.6 1.6 2.3 1.6 3.6 4.0 3.1 1.0 1.6 2.7 4.819 4.4 4.0 1.1 2.7 1.8 2.7 0.9 2.2 2.0 2.9 3.8 3.220 4.2 3.5 2.8 2.1 1.1 3.7 1.0 0.9 2.1 2.8 3.3 4.721 5.4 2.7 1.8 3.9 3.2 3.0 1.5 2.7 1.3 3.0 3.7 3.822 5.2 4.2 1.7 1.7 2.9 1.9 1.9 3.2 3.1 2.3 3.4 1.323 4.4 4.1 1.5 2.4 4.3 3.2 1.3 2.2 3.6 1.5 2.3 1.124 3.5 3.2 3.2 2.2 3.3 3.4 0.6 2.5 3.0 2.4 2.9 3.425 3.7 3.1 2.2 1.5 3.9 2.7 0.6 2.7 1.6 3.4 2.2 2.326 3.7 2.4 3.0 2.4 3.7 3.1 2.1 1.7 2.9 2.9 1.9 1.727 2.4 4.3 2.1 2.9 3.5 2.7 2.4 1.4 1.9 3.1 2.5 5.428 1.2 1.2 3.2 2.8 1.5 3.5 2.6 2.8 2.0 3.2 0.8 4.029 1.8 4.3 1.8 2.6 2.5 2.7 1.0 2.7 3.3 4.0 1.0 4.530 1.9 2.3 3.9 1.8 3.0 1.8 2.3 1.5 2.8 4.0 4.631 2.3 2.4 4.8 2.6 1.4 3.7 4.5

Total 102.1 94.4 82.1 75.1 85.1 84.7 67.5 64.3 57.5 83.3 81.2 89.7Mean 3.4 3.0 2.7 2.4 2.7 2.8 2.2 2.1 1.9 2.7 2.8 2.9Annual 967.0

Average 1987-2007Monthly 133.3 118.2 105.0 107.8 107.6 97.7 92.1 80.6 81.6 100.4 114.7 138.1Daily 4.44 3.81 3.50 3.48 3.47 3.26 2.97 2.69 2.63 3.24 3.96 4.46Annual 1277.1

Daily Evaporation Data in Millimeters for Water Year 2007Ban K.M.29, A. Betong, Yala (971175)

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HUMIDITY DATA

Page 77: HYDROLOGICAL YEARBOOK WATER YEAR 2007water.egat.co.th/yearBook/yearbook_report/YEARBOOK2007...YEARBOOK WATER YEAR 2007 Water Resources Management Department Survey Division Electricity

DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 77.0 91.0 93.0 86.0 93.0 94.0 93.0 100.0 88.0 91.0 88.0 89.0

2 72.0 96.0 86.0 85.0 91.0 95.0 98.0 100.0 88.0 89.0 89.0 89.0

3 85.0 96.0 91.0 86.0 93.0 93.0 96.0 100.0 98.0 98.0 100.0 84.0

4 91.0 96.0 93.0 87.0 82.0 95.0 95.0 94.0 94.0 97.0 93.0 85.0

5 94.0 96.0 91.0 86.0 91.0 98.0 98.0 85.0 90.0 87.0 90.0 88.0

6 96.0 100.0 91.0 86.0 89.0 98.0 95.0 94.0 98.0 88.0 89.0 88.0

7 100.0 100.0 78.0 95.0 87.0 95.0 95.0 90.0 84.0 89.0 89.0 86.0

8 100.0 91.0 84.0 91.0 95.0 96.0 95.0 82.0 96.0 91.0 89.0 80.0

9 92.0 94.0 91.0 91.0 96.0 91.0 91.0 81.0 100.0 91.0 89.0 80.0

10 94.0 94.0 91.0 96.0 91.0 96.0 96.0 100.0 93.0 91.0 89.0 86.0

11 96.0 94.0 84.0 87.0 87.0 95.0 96.0 92.0 91.0 89.0 87.0 89.0

12 96.0 94.0 80.0 81.0 82.0 96.0 96.0 90.0 96.0 93.0 87.0 90.0

13 100.0 94.0 95.0 78.0 91.0 98.0 96.0 92.0 98.0 89.0 83.0 87.0

14 100.0 98.0 92.0 91.0 91.0 98.0 100.0 98.0 96.0 84.0 88.0 91.0

15 94.0 95.0 85.0 91.0 91.0 95.0 94.0 84.0 95.0 91.0 88.0 90.0

16 94.0 95.0 86.0 92.0 91.0 90.0 96.0 92.0 96.0 89.0 88.0 91.0

17 83.0 96.0 91.0 86.0 96.0 95.0 91.0 93.0 96.0 84.0 91.0 87.0

18 89.0 95.0 90.0 96.0 95.0 96.0 91.0 94.0 98.0 89.0 88.0 77.0

19 96.0 94.0 92.0 91.0 91.0 98.0 91.0 94.0 98.0 88.0 87.0 83.0

20 95.0 94.0 96.0 87.0 91.0 98.0 90.0 92.0 94.0 88.0 93.0 85.0

21 95.0 83.0 92.0 94.0 95.0 96.0 100.0 94.0 94.0 90.0 81.0 86.0

22 86.0 84.0 96.0 94.0 95.0 94.0 94.0 79.0 100.0 89.0 88.0 81.0

23 83.0 79.0 95.0 90.0 95.0 100.0 91.0 80.0 100.0 83.0 93.0 81.0

24 87.0 73.0 91.0 96.0 96.0 93.0 87.0 95.0 100.0 83.0 88.0 85.0

25 81.0 79.0 92.0 95.0 95.0 95.0 88.0 93.0 92.0 89.0 89.0 86.0

26 91.0 91.0 93.0 95.0 100.0 95.0 90.0 89.0 96.0 90.0 89.0 87.0

27 95.0 83.0 95.0 95.0 98.0 96.0 90.0 91.0 96.0 90.0 90.0 77.0

28 91.0 95.0 91.0 100.0 93.0 95.0 100.0 93.0 94.0 86.0 83.0 78.0

29 96.0 90.0 95.0 100.0 100.0 91.0 96.0 88.0 89.0 89.0 89.0 85.0

30 100.0 95.0 94.0 91.0 98.0 100.0 89.0 82.0 95.0 90.0 89.0

31 95.0 94.0 96.0 96.0 95.0 87.0 84.0

Mean 91.6 91.9 90.5 90.7 92.7 95.5 94.0 91.0 94.8 89.1 88.8 85.3

Average 1969-2007

Monthly 83.1 85.6 85.4 85.2 86.8 90.8 91.8 87.6 87.1 87.0 84.3 82.6

Daily Relative Humidity Data in Millimeters for Water Year 2007

Chulabhorn Dam, A. Khon San, Chaiyaphum (905284)

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DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 87.0 92.0 97.0 95.0 94.0 97.0 97.0 95.0 96.0 96.0 96.0 95.0

2 91.0 94.0 89.0 92.0 95.0 95.0 97.0 97.0 98.0 96.0 96.0 94.0

3 89.0 95.0 94.0 95.0 80.0 94.0 98.0 95.0 96.0 95.0 98.0 93.0

4 93.0 98.0 95.0 97.0 92.0 95.0 97.0 96.0 92.0 95.0 94.0 93.0

5 91.0 97.0 92.0 95.0 95.0 97.0 97.0 98.0 92.0 96.0 96.0 89.0

6 69.0 98.0 97.0 95.0 94.0 95.0 97.0 95.0 96.0 98.0 94.0 89.0

7 82.0 97.0 94.0 95.0 86.0 97.0 97.0 98.0 96.0 98.0 94.0 94.0

8 88.0 98.0 91.0 93.0 84.0 98.0 97.0 98.0 96.0 96.0 96.0 94.0

9 90.0 97.0 89.0 91.0 98.0 86.0 97.0 96.0 96.0 96.0 94.0 91.0

10 88.0 97.0 88.0 95.0 98.0 89.0 98.0 96.0 96.0 96.0 98.0 93.0

11 77.0 98.0 94.0 90.0 97.0 94.0 97.0 96.0 96.0 95.0 96.0 96.0

12 93.0 97.0 89.0 94.0 95.0 95.0 97.0 96.0 98.0 95.0 96.0 92.0

13 93.0 97.0 95.0 95.0 95.0 97.0 95.0 95.0 98.0 95.0 98.0 94.0

14 81.0 98.0 95.0 94.0 95.0 97.0 97.0 95.0 96.0 95.0 96.0 82.0

15 95.0 98.0 94.0 98.0 94.0 97.0 95.0 98.0 96.0 98.0 96.0 85.0

16 93.0 92.0 94.0 95.0 97.0 97.0 97.0 98.0 96.0 90.0 94.0 95.0

17 84.0 98.0 89.0 95.0 97.0 97.0 97.0 96.0 98.0 94.0 96.0 88.0

18 82.0 98.0 84.0 92.0 92.0 98.0 98.0 96.0 98.0 96.0 93.0 95.0

19 90.0 95.0 95.0 95.0 89.0 95.0 97.0 96.0 95.0 98.0 84.0 93.0

20 87.0 97.0 97.0 95.0 93.0 98.0 98.0 90.0 98.0 98.0 96.0 93.0

21 84.0 97.0 97.0 95.0 90.0 98.0 97.0 97.0 98.0 96.0 96.0 96.0

22 80.0 97.0 97.0 97.0 97.0 97.0 98.0 97.0 96.0 98.0 92.0 88.0

23 75.0 90.0 95.0 95.0 95.0 97.0 96.0 96.0 96.0 96.0 94.0 90.0

24 74.0 86.0 89.0 98.0 97.0 93.0 96.0 98.0 98.0 98.0 88.0 90.0

25 79.0 78.0 92.0 98.0 97.0 97.0 97.0 98.0 95.0 98.0 94.0 89.0

26 83.0 88.0 98.0 94.0 97.0 95.0 98.0 98.0 93.0 96.0 94.0 90.0

27 86.0 86.0 98.0 95.0 92.0 97.0 95.0 98.0 98.0 98.0 87.0 78.0

28 97.0 91.0 98.0 94.0 95.0 97.0 95.0 98.0 96.0 91.0 96.0 90.0

29 92.0 91.0 95.0 95.0 89.0 97.0 97.0 98.0 98.0 98.0 96.0 80.0

30 97.0 91.0 97.0 95.0 97.0 97.0 98.0 96.0 96.0 96.0 80.0

31 98.0 97.0 94.0 95.0 98.0 95.0 90.0

Mean 86.3 94.3 93.6 94.8 93.5 95.8 96.8 96.5 96.3 96.0 94.4 90.3

Average 1987-2007

Monthly 88.6 92.4 93.1 93.2 93.9 95.5 96.4 96.4 96.5 96.5 94.5 91.2

Daily Relative Humidity Data in Millimeters for Water Year 2007

Ban Kong Hin, A. Hot, Chiang Mai (907695)

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DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 85.0 93.0 95.0 84.0 90.0 100.0 96.0 100.0 96.0 79.0 -99.9 100.0

2 83.0 100.0 92.0 83.0 88.0 100.0 92.0 98.0 98.0 82.0 -99.9 87.0

3 82.0 100.0 93.0 90.0 81.0 100.0 89.0 96.0 96.0 95.0 -99.9 86.0

4 92.0 100.0 100.0 92.0 83.0 93.0 84.0 98.0 98.0 89.0 -99.9 79.0

5 92.0 100.0 98.0 97.0 83.0 98.0 97.0 96.0 87.0 98.0 -99.9 88.0

6 83.0 100.0 93.0 100.0 84.0 98.0 92.0 98.0 96.0 90.0 -99.9 86.0

7 85.0 100.0 95.0 100.0 84.0 98.0 91.0 100.0 96.0 96.0 -99.9 87.0

8 91.0 96.0 89.0 100.0 98.0 93.0 92.0 98.0 98.0 96.0 -99.9 86.0

9 90.0 100.0 95.0 88.0 98.0 78.0 100.0 90.0 96.0 96.0 -99.9 95.0

10 98.0 100.0 91.0 92.0 92.0 89.0 100.0 94.0 100.0 94.0 -99.9 88.0

11 98.0 100.0 83.0 85.0 100.0 84.0 100.0 94.0 98.0 98.0 -99.9 88.0

12 98.0 98.0 93.0 98.0 100.0 96.0 100.0 92.0 98.0 90.0 -99.9 92.0

13 98.0 98.0 95.0 87.0 95.0 89.0 100.0 96.0 96.0 96.0 -99.9 93.0

14 98.0 98.0 92.0 92.0 92.0 95.0 100.0 98.0 98.0 94.0 -99.9 95.0

15 96.0 100.0 82.0 92.0 98.0 95.0 100.0 100.0 96.0 94.0 -99.9 98.0

16 95.0 100.0 80.0 93.0 86.0 98.0 98.0 93.0 98.0 96.0 -99.9 92.0

17 84.0 98.0 98.0 89.0 92.0 100.0 96.0 98.0 100.0 94.0 -99.9 98.0

18 87.0 96.0 84.0 98.0 96.0 100.0 98.0 86.0 96.0 94.0 -99.9 98.0

19 83.0 95.0 97.0 93.0 93.0 98.0 100.0 98.0 96.0 94.0 -99.9 90.0

20 93.0 88.0 95.0 97.0 95.0 98.0 88.0 95.0 96.0 89.0 -99.9 96.0

21 97.0 96.0 98.0 98.0 87.0 100.0 96.0 98.0 100.0 91.0 -99.9 95.0

22 92.0 96.0 92.0 98.0 89.0 91.0 100.0 100.0 96.0 94.0 -99.9 93.0

23 86.0 89.0 90.0 97.0 98.0 95.0 98.0 100.0 94.0 94.0 -99.9 89.0

24 53.0 84.0 95.0 98.0 98.0 90.0 93.0 98.0 96.0 94.0 -99.9 95.0

25 89.0 83.0 97.0 98.0 97.0 90.0 91.0 98.0 96.0 80.0 -99.9 90.0

26 97.0 87.0 100.0 98.0 97.0 93.0 96.0 98.0 94.0 91.0 -99.9 100.0

27 92.0 84.0 100.0 98.0 84.0 95.0 97.0 88.0 98.0 95.0 -99.9 87.0

28 100.0 90.0 100.0 98.0 89.0 98.0 95.0 94.0 96.0 95.0 -99.9 93.0

29 100.0 92.0 100.0 98.0 97.0 87.0 100.0 96.0 96.0 96.0 -99.9 93.0

30 95.0 91.0 85.0 100.0 100.0 100.0 100.0 98.0 96.0 100.0 98.0

31 89.0 92.0 100.0 100.0 98.0 95.0 95.0

Mean 90.4 94.9 93.2 94.3 92.4 94.6 96.1 96.2 96.5 92.9 91.9

Average 1970-2007

Monthly 87.1 89.1 90.2 91.1 90.1 92.2 94.6 93.1 91.9 92.0 89.1 87.5

Remark : the value -99.9 indicated the missing data.

Daily Relative Humidity Data in Millimeters for Water Year 2007

Srinagarind Dam, A. Sri Sawat, Kanchanaburi (913304)

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DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 90.0 95.0 95.0 93.0 98.0 97.0 96.0 96.0 95.0 0.0 93.0 95.0

2 85.0 97.0 92.0 96.0 96.0 95.0 97.0 96.0 96.0 0.0 91.0 91.0

3 83.0 95.0 92.0 98.0 98.0 97.0 97.0 95.0 96.0 0.0 90.0 90.0

4 83.0 98.0 93.0 96.0 96.0 95.0 97.0 96.0 94.0 0.0 95.0 90.0

5 84.0 98.0 97.0 98.0 98.0 97.0 97.0 96.0 94.0 0.0 90.0 96.0

6 82.0 97.0 97.0 98.0 96.0 97.0 96.0 94.0 94.0 0.0 98.0 89.0

7 87.0 97.0 93.0 96.0 98.0 98.0 97.0 94.0 94.0 0.0 91.0 90.0

8 92.0 97.0 95.0 98.0 98.0 97.0 97.0 96.0 96.0 0.0 91.0 95.0

9 92.0 95.0 95.0 96.0 96.0 97.0 97.0 96.0 96.0 0.0 91.0 93.0

10 92.0 97.0 93.0 97.0 96.0 97.0 97.0 96.0 96.0 0.0 95.0 93.0

11 86.0 97.0 95.0 98.0 96.0 97.0 98.0 96.0 96.0 0.0 96.0 93.0

12 88.0 95.0 93.0 97.0 97.0 97.0 97.0 95.0 98.0 0.0 89.0 92.0

13 91.0 97.0 92.0 96.0 97.0 97.0 98.0 96.0 96.0 0.0 91.0 90.0

14 92.0 95.0 92.0 97.0 96.0 97.0 97.0 95.0 96.0 0.0 90.0 90.0

15 93.0 95.0 97.0 97.0 97.0 97.0 96.0 95.0 96.0 0.0 96.0 95.0

16 96.0 95.0 95.0 97.0 95.0 95.0 98.0 96.0 93.0 0.0 96.0 97.0

17 93.0 95.0 92.0 97.0 95.0 97.0 98.0 96.0 96.0 0.0 96.0 96.0

18 90.0 95.0 90.0 98.0 96.0 97.0 96.0 95.0 95.0 0.0 95.0 96.0

19 90.0 95.0 97.0 95.0 98.0 97.0 98.0 96.0 95.0 0.0 95.0 92.0

20 97.0 97.0 97.0 97.0 97.0 97.0 96.0 96.0 96.0 0.0 92.0 93.0

21 93.0 93.0 95.0 95.0 97.0 98.0 98.0 95.0 96.0 0.0 94.0 96.0

22 95.0 95.0 93.0 97.0 95.0 96.0 96.0 94.0 96.0 0.0 94.0 96.0

23 90.0 97.0 97.0 97.0 97.0 96.0 96.0 96.0 95.0 0.0 92.0 95.0

24 90.0 95.0 97.0 96.0 98.0 96.0 98.0 96.0 94.0 0.0 88.0 93.0

25 93.0 95.0 97.0 97.0 97.0 97.0 96.0 96.0 94.0 0.0 85.0 96.0

26 95.0 95.0 97.0 95.0 95.0 97.0 98.0 98.0 96.0 0.0 91.0 96.0

27 92.0 95.0 98.0 96.0 97.0 95.0 96.0 98.0 94.0 0.0 93.0 93.0

28 93.0 97.0 97.0 95.0 96.0 97.0 97.0 96.0 94.0 0.0 95.0 93.0

29 95.0 95.0 97.0 96.0 97.0 97.0 97.0 93.0 96.0 0.0 91.0 97.0

30 95.0 95.0 96.0 96.0 98.0 96.0 98.0 95.0 96.0 0.0 97.0

31 95.0 95.0 97.0 96.0 96.0 0.0 97.0

Mean 90.6 95.8 94.9 96.5 96.7 96.7 97.0 95.6 95.3 0.0 92.6 93.7

Average 1970-2007

Monthly 88.6 92.4 94.2 95.1 95.8 95.9 96.3 95.3 94.8 90.5 88.9 86.9

Daily Relative Humidity Data in Millimeters for Water Year 2007

Ban Phu Toei, A. Sai Yok, Kanchanaburi (913314)

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DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 99.0 98.0 96.0 98.0 98.0 98.0 98.0 98.0 98.0 89.0 98.0 96.0

2 95.0 96.0 96.0 95.0 99.0 99.0 98.0 98.0 98.0 80.0 98.0 93.0

3 93.0 97.0 96.0 98.0 98.0 99.0 98.0 98.0 98.0 98.0 94.0 98.0

4 93.0 96.0 98.0 98.0 98.0 99.0 98.0 98.0 98.0 98.0 98.0 94.0

5 91.0 98.0 98.0 98.0 96.0 98.0 98.0 98.0 98.0 99.0 92.0 96.0

6 93.0 98.0 98.0 98.0 98.0 99.0 98.0 98.0 96.0 98.0 98.0 94.0

7 91.0 98.0 98.0 98.0 98.0 98.0 98.0 98.0 98.0 98.0 98.0 94.0

8 98.0 98.0 98.0 98.0 96.0 98.0 98.0 94.0 98.0 98.0 98.0 94.0

9 98.0 96.0 98.0 98.0 98.0 98.0 98.0 98.0 98.0 98.0 98.0 98.0

10 92.0 95.0 98.0 91.0 98.0 93.0 98.0 93.0 98.0 98.0 98.0 98.0

11 98.0 98.0 96.0 98.0 98.0 98.0 98.0 98.0 98.0 98.0 97.0 91.0

12 93.0 97.0 95.0 98.0 92.0 98.0 98.0 98.0 98.0 98.0 98.0 89.0

13 96.0 96.0 96.0 94.0 96.0 98.0 98.0 98.0 98.0 98.0 98.0 96.0

14 96.0 98.0 97.0 98.0 98.0 98.0 98.0 98.0 99.0 98.0 98.0 98.0

15 96.0 98.0 98.0 97.0 98.0 98.0 98.0 98.0 98.0 98.0 98.0 96.0

16 92.0 98.0 95.0 97.0 98.0 98.0 98.0 98.0 97.0 98.0 98.0 86.0

17 90.0 96.0 95.0 97.0 98.0 98.0 98.0 98.0 98.0 98.0 98.0 95.0

18 86.0 98.0 97.0 97.0 88.0 98.0 98.0 98.0 98.0 98.0 98.0 93.0

19 78.0 98.0 98.0 98.0 95.0 98.0 98.0 98.0 98.0 98.0 96.0 93.0

20 81.0 96.0 95.0 98.0 90.0 98.0 95.0 99.0 98.0 98.0 96.0 95.0

21 81.0 97.0 95.0 99.0 98.0 95.0 98.0 98.0 98.0 98.0 96.0 96.0

22 98.0 96.0 96.0 98.0 98.0 97.0 98.0 98.0 98.0 98.0 96.0 96.0

23 95.0 98.0 98.0 98.0 98.0 96.0 96.0 98.0 98.0 98.0 98.0 98.0

24 93.0 98.0 98.0 98.0 98.0 98.0 99.0 98.0 98.0 98.0 98.0 96.0

25 96.0 97.0 97.0 98.0 98.0 99.0 98.0 98.0 98.0 98.0 96.0 96.0

26 96.0 96.0 98.0 98.0 98.0 98.0 98.0 98.0 98.0 98.0 98.0 98.0

27 97.0 95.0 98.0 98.0 98.0 99.0 96.0 98.0 94.0 98.0 95.0 96.0

28 98.0 98.0 98.0 98.0 98.0 98.0 98.0 98.0 94.0 98.0 98.0 93.0

29 99.0 97.0 98.0 96.0 98.0 99.0 98.0 98.0 98.0 98.0 96.0 88.0

30 93.0 97.0 98.0 98.0 97.0 95.0 98.0 98.0 98.0 97.0 91.0

31 96.0 97.0 98.0 98.0 98.0 99.0 92.0

Mean 93.2 97.0 97.0 97.4 96.9 97.8 97.8 97.7 97.7 97.2 97.1 94.4

Average 1982-2007

Monthly 90.5 93.6 95.9 96.1 96.3 96.3 96.1 94.6 93.5 94.3 93.2 91.2

Daily Relative Humidity Data in Millimeters for Water Year 2007

Vajiralongkorn Dam, A. Thong Pha Phum, Kanchanaburi (913464)

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DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 78.0 79.0 81.0 79.0 91.0 88.0 94.0 95.0 90.0 78.0 98.0 89.0

2 71.0 92.0 81.0 79.0 91.0 81.0 91.0 86.0 90.0 74.0 89.0 90.0

3 70.0 92.0 90.0 79.0 72.0 81.0 91.0 87.0 91.0 91.0 92.0 92.0

4 77.0 94.0 86.0 78.0 72.0 95.0 91.0 85.0 89.0 87.0 94.0 94.0

5 82.0 97.0 95.0 78.0 76.0 84.0 86.0 84.0 86.0 80.0 95.0 94.0

6 83.0 94.0 81.0 76.0 81.0 94.0 91.0 86.0 85.0 79.0 95.0 94.0

7 83.0 92.0 76.0 76.0 91.0 97.0 91.0 88.0 81.0 78.0 91.0 93.0

8 81.0 82.0 75.0 76.0 94.0 81.0 95.0 88.0 81.0 77.0 96.0 93.0

9 84.0 77.0 75.0 79.0 88.0 94.0 94.0 84.0 83.0 77.0 94.0 91.0

10 80.0 75.0 76.0 79.0 82.0 84.0 94.0 84.0 81.0 79.0 91.0 93.0

11 71.0 88.0 71.0 79.0 82.0 81.0 95.0 85.0 79.0 79.0 94.0 91.0

12 88.0 97.0 83.0 79.0 88.0 94.0 92.0 84.0 83.0 79.0 96.0 89.0

13 78.0 95.0 75.0 76.0 81.0 94.0 91.0 83.0 81.0 80.0 94.0 94.0

14 88.0 94.0 91.0 79.0 81.0 94.0 95.0 83.0 83.0 78.0 94.0 90.0

15 86.0 95.0 84.0 79.0 83.0 81.0 94.0 82.0 81.0 79.0 96.0 88.0

16 83.0 95.0 81.0 90.0 88.0 94.0 83.0 83.0 81.0 79.0 92.0 89.0

17 79.0 95.0 88.0 83.0 81.0 95.0 81.0 83.0 81.0 77.0 92.0 91.0

18 82.0 88.0 92.0 79.0 81.0 95.0 87.0 83.0 83.0 80.0 93.0 91.0

19 95.0 83.0 87.0 79.0 80.0 92.0 87.0 85.0 81.0 79.0 92.0 88.0

20 88.0 81.0 91.0 79.0 79.0 95.0 79.0 85.0 83.0 79.0 92.0 89.0

21 79.0 81.0 91.0 95.0 81.0 89.0 89.0 84.0 82.0 78.0 92.0 90.0

22 73.0 83.0 84.0 95.0 94.0 89.0 88.0 85.0 82.0 84.0 90.0 89.0

23 73.0 83.0 83.0 82.0 88.0 84.0 88.0 79.0 79.0 91.0 89.0 87.0

24 73.0 79.0 88.0 80.0 94.0 84.0 92.0 79.0 73.0 88.0 87.0 82.0

25 73.0 81.0 84.0 82.0 94.0 90.0 85.0 81.0 78.0 98.0 87.0 74.0

26 91.0 79.0 88.0 81.0 92.0 92.0 80.0 78.0 80.0 93.0 94.0 81.0

27 79.0 81.0 84.0 79.0 81.0 94.0 92.0 90.0 80.0 89.0 92.0 82.0

28 75.0 94.0 86.0 79.0 92.0 95.0 81.0 90.0 81.0 87.0 92.0 86.0

29 91.0 94.0 81.0 79.0 94.0 92.0 82.0 96.0 80.0 86.0 89.0 85.0

30 92.0 91.0 81.0 82.0 92.0 91.0 86.0 96.0 75.0 89.0 81.0

31 94.0 90.0 81.0 86.0 78.0 93.0 81.0

Mean 80.9 87.9 83.6 80.8 85.3 89.8 88.7 85.4 82.0 82.7 92.5 88.4

Average 2002-2007

Monthly 84.5 88.7 88.1 86.0 89.0 92.1 90.9 88.3 85.9 88.4 88.6 84.2

Daily Relative Humidity Data in Millimeters for Water Year 2007

Ubolratana Dam, A. Ubolratana, Khon Kaen (914424)

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DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 82.0 95.0 95.0 93.0 93.0 95.0 94.0 96.0 100.0 97.0 96.0 89.0

2 77.0 93.0 92.0 88.0 96.0 96.0 95.0 92.0 100.0 100.0 96.0 98.0

3 79.0 96.0 93.0 93.0 91.0 93.0 96.0 96.0 95.0 100.0 96.0 95.0

4 89.0 95.0 95.0 91.0 91.0 93.0 96.0 96.0 97.0 100.0 96.0 95.0

5 92.0 96.0 92.0 95.0 89.0 96.0 98.0 94.0 98.0 97.0 96.0 95.0

6 92.0 96.0 93.0 92.0 91.0 95.0 95.0 96.0 95.0 97.0 98.0 97.0

7 94.0 96.0 92.0 93.0 93.0 96.0 96.0 98.0 95.0 97.0 98.0 93.0

8 96.0 95.0 90.0 93.0 95.0 95.0 96.0 97.0 95.0 97.0 98.0 95.0

9 92.0 95.0 88.0 95.0 95.0 95.0 95.0 97.0 97.0 97.0 98.0 95.0

10 89.0 93.0 90.0 93.0 96.0 96.0 95.0 97.0 98.0 97.0 95.0 93.0

11 89.0 95.0 90.0 93.0 95.0 96.0 95.0 95.0 97.0 97.0 95.0 96.0

12 94.0 96.0 84.0 88.0 95.0 96.0 95.0 91.0 98.0 95.0 96.0 94.0

13 94.0 96.0 90.0 92.0 93.0 93.0 94.0 95.0 98.0 100.0 87.0 96.0

14 89.0 95.0 85.0 90.0 87.0 93.0 96.0 91.0 98.0 97.0 91.0 96.0

15 96.0 92.0 86.0 95.0 88.0 96.0 94.0 96.0 98.0 100.0 88.0 96.0

16 92.0 96.0 93.0 92.0 90.0 95.0 92.0 98.0 96.0 97.0 98.0 94.0

17 82.0 95.0 95.0 86.0 96.0 96.0 96.0 98.0 98.0 100.0 100.0 96.0

18 89.0 92.0 92.0 93.0 92.0 95.0 94.0 96.0 95.0 100.0 92.0 94.0

19 95.0 93.0 96.0 93.0 93.0 96.0 96.0 87.0 95.0 97.0 95.0 92.0

20 91.0 93.0 96.0 91.0 87.0 95.0 94.0 96.0 95.0 97.0 95.0 92.0

21 88.0 90.0 96.0 95.0 93.0 94.0 94.0 95.0 96.0 97.0 97.0 91.0

22 82.0 95.0 96.0 93.0 93.0 98.0 96.0 93.0 95.0 97.0 97.0 91.0

23 82.0 88.0 95.0 93.0 95.0 96.0 96.0 95.0 95.0 97.0 97.0 91.0

24 82.0 88.0 95.0 96.0 95.0 94.0 96.0 97.0 98.0 97.0 97.0 92.0

25 85.0 85.0 95.0 92.0 95.0 94.0 98.0 97.0 95.0 97.0 95.0 96.0

26 93.0 87.0 96.0 92.0 95.0 96.0 96.0 100.0 95.0 92.0 93.0

27 95.0 92.0 96.0 93.0 95.0 96.0 94.0 100.0 95.0 96.0 89.0

28 95.0 93.0 96.0 94.0 95.0 95.0 96.0 100.0 95.0 96.0 89.0

29 96.0 95.0 92.0 93.0 95.0 96.0 98.0 100.0 98.0 92.0 93.0

30 91.0 96.0 92.0 95.0 96.0 96.0 96.0 100.0 100.0 96.0

31 95.0 95.0 96.0 94.0 100.0 94.0

Mean 89.4 93.5 92.5 92.6 93.2 95.2 95.4 96.0 96.8 97.1 94.9

Average 1982-2007

Monthly 89.7 91.7 91.5 92.3 93.8 95.9 96.4 104.9 96.8 97.7 96.2 92.2

Remark : Records Terminate since 26 March 2008.

Daily Relative Humidity Data in Millimeters for Water Year 2007

Ban Nong Sanoon, A. Dan Sai, Loei (918195)

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DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 99.0 92.0 96.0 97.0 95.0 98.0 97.0 96.0 98.0 96.0 95.0 85.0

2 88.0 95.0 95.0 97.0 97.0 95.0 98.0 98.0 95.0 94.0 98.0 96.0

3 93.0 92.0 94.0 98.0 96.0 95.0 98.0 96.0 98.0 98.0 96.0 96.0

4 90.0 93.0 96.0 97.0 96.0 97.0 97.0 96.0 96.0 95.0 95.0 94.0

5 85.0 97.0 97.0 98.0 97.0 95.0 98.0 95.0 94.0 93.0 96.0 95.0

6 87.0 98.0 98.0 95.0 95.0 98.0 98.0 96.0 96.0 98.0 95.0 94.0

7 95.0 98.0 98.0 97.0 95.0 98.0 97.0 98.0 94.0 96.0 100.0 99.0

8 92.0 96.0 97.0 97.0 95.0 97.0 97.0 95.0 96.0 96.0 97.0 85.0

9 96.0 98.0 95.0 96.0 95.0 97.0 95.0 96.0 96.0 94.0 96.0 91.0

10 92.0 98.0 95.0 98.0 97.0 98.0 93.0 94.0 96.0 96.0 95.0 83.0

11 92.0 98.0 97.0 97.0 97.0 97.0 97.0 92.0 96.0 96.0 96.0 88.0

12 93.0 97.0 97.0 96.0 97.0 97.0 95.0 95.0 96.0 96.0 96.0 90.0

13 96.0 98.0 97.0 95.0 97.0 97.0 95.0 96.0 96.0 96.0 96.0 88.0

14 98.0 97.0 95.0 97.0 97.0 97.0 93.0 96.0 94.0 94.0 96.0 88.0

15 95.0 98.0 96.0 95.0 97.0 98.0 97.0 96.0 94.0 96.0 89.0 92.0

16 93.0 94.0 96.0 97.0 95.0 97.0 95.0 94.0 94.0 96.0 82.0 91.0

17 93.0 98.0 96.0 98.0 98.0 97.0 96.0 96.0 98.0 96.0 87.0 87.0

18 92.0 95.0 90.0 96.0 95.0 97.0 95.0 94.0 96.0 96.0 88.0 84.0

19 97.0 96.0 96.0 97.0 97.0 98.0 96.0 95.0 96.0 96.0 94.0 82.0

20 95.0 88.0 98.0 98.0 97.0 97.0 96.0 93.0 96.0 95.0 94.0 92.0

21 95.0 98.0 97.0 98.0 95.0 98.0 97.0 96.0 96.0 96.0 96.0 90.0

22 85.0 96.0 98.0 96.0 98.0 96.0 97.0 96.0 96.0 95.0 94.0 92.0

23 89.0 97.0 93.0 97.0 98.0 96.0 95.0 93.0 96.0 94.0 94.0 91.0

24 89.0 97.0 97.0 92.0 97.0 95.0 97.0 93.0 94.0 96.0 96.0 87.0

25 88.0 95.0 97.0 97.0 95.0 93.0 94.0 93.0 98.0 96.0 95.0 92.0

26 84.0 95.0 97.0 97.0 95.0 97.0 96.0 98.0 81.0 92.0 95.0

27 92.0 97.0 98.0 97.0 97.0 95.0 96.0 98.0 98.0 98.0 96.0

28 93.0 95.0 100.0 97.0 97.0 97.0 96.0 98.0 95.0 93.0 90.0

29 95.0 87.0 96.0 97.0 98.0 98.0 96.0 95.0 96.0 92.0 90.0

30 97.0 95.0 96.0 95.0 97.0 97.0 96.0 95.0 96.0 97.0

31 95.0 95.0 98.0 95.0 96.0 93.0

Mean 92.3 95.6 96.3 96.6 96.5 96.7 96.1 95.4 95.4 95.3 94.0

Average 1980-2007

Monthly 89.0 91.9 94.9 96.0 97.1 97.2 97.1 96.7 96.6 96.3 94.1 90.3

Remark : Records Terminate since 26 March 2008.

Daily Relative Humidity Data in Millimeters for Water Year 2007

Ban Pong Bon, A. Wang Thong, Phitsanulok (939175)

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DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 89.0 89.0 84.0 80.0 87.0 84.0 90.0 -99.9 77.0 88.0 84.0 81.0

2 86.0 90.0 77.0 86.0 87.0 84.0 92.0 -99.9 83.0 90.0 87.0 87.0

3 81.0 93.0 88.0 85.0 89.0 75.0 90.0 -99.9 74.0 76.0 81.0 85.0

4 85.0 90.0 86.0 78.0 92.0 80.0 90.0 -99.9 84.0 90.0 88.0 86.0

5 80.0 92.0 88.0 85.0 82.0 83.0 87.0 -99.9 78.0 85.0 86.0 85.0

6 83.0 90.0 86.0 92.0 89.0 87.0 90.0 -99.9 77.0 92.0 86.0 87.0

7 88.0 93.0 81.0 89.0 87.0 78.0 87.0 -99.9 82.0 85.0 83.0 78.0

8 86.0 90.0 85.0 88.0 87.0 82.0 88.0 -99.9 87.0 80.0 86.0 79.0

9 83.0 85.0 85.0 90.0 87.0 89.0 90.0 -99.9 84.0 84.0 86.0 88.0

10 90.0 87.0 83.0 90.0 69.0 81.0 82.0 -99.9 84.0 78.0 85.0 90.0

11 87.0 87.0 88.0 90.0 87.0 80.0 89.0 -99.9 88.0 78.0 81.0 85.0

12 89.0 78.0 85.0 83.0 92.0 74.0 89.0 -99.9 84.0 87.0 85.0 87.0

13 85.0 84.0 86.0 89.0 85.0 89.0 86.0 -99.9 85.0 84.0 85.0 92.0

14 84.0 81.0 83.0 92.0 90.0 83.0 89.0 -99.9 87.0 81.0 85.0 84.0

15 90.0 90.0 88.0 80.0 89.0 87.0 87.0 -99.9 89.0 82.0 87.0 88.0

16 91.0 86.0 89.0 87.0 89.0 90.0 83.0 -99.9 76.0 87.0 86.0 84.0

17 91.0 86.0 90.0 86.0 87.0 92.0 90.0 -99.9 86.0 86.0 78.0 85.0

18 85.0 86.0 83.0 86.0 90.0 89.0 90.0 -99.9 90.0 95.0 87.0 79.0

19 84.0 85.0 87.0 90.0 89.0 87.0 90.0 -99.9 92.0 87.0 84.0 80.0

20 90.0 85.0 84.0 89.0 87.0 87.0 92.0 -99.9 84.0 85.0 93.0 84.0

21 92.0 83.0 83.0 90.0 83.0 87.0 89.0 -99.9 89.0 81.0 87.0 78.0

22 89.0 85.0 86.0 87.0 86.0 88.0 90.0 -99.9 83.0 84.0 86.0 86.0

23 89.0 85.0 89.0 90.0 87.0 87.0 92.0 -99.9 87.0 79.0 87.0 84.0

24 87.0 85.0 91.0 87.0 83.0 89.0 93.0 -99.9 86.0 82.0 84.0 86.0

25 85.0 82.0 89.0 84.0 85.0 81.0 89.0 -99.9 81.0 84.0 88.0 82.0

26 89.0 86.0 90.0 90.0 89.0 69.0 90.0 -99.9 87.0 83.0 88.0 85.0

27 87.0 82.0 83.0 87.0 80.0 81.0 89.0 -99.9 88.0 84.0 90.0 87.0

28 87.0 85.0 90.0 90.0 87.0 84.0 85.0 -99.9 90.0 81.0 88.0 89.0

29 90.0 82.0 84.0 87.0 74.0 71.0 92.0 -99.9 82.0 84.0 89.0 71.0

30 86.0 82.0 87.0 90.0 90.0 88.0 89.0 -99.9 89.0 80.0 84.0

31 85.0 87.0 86.0 89.0 89.0 84.0 72.0

Mean 86.9 86.1 85.9 87.2 86.2 83.5 89.0 84.6 84.1 85.9 83.8

Average 1982-2007

Monthly 85.7 88.3 87.1 87.4 87.3 87.7 87.8 87.4 86.8 86.2 85.4 85.0

Remark : the value -99.9 indicated the missing data.

Daily Relative Humidity Data in Millimeters for Water Year 2007

Rajjaprabha Dam, A. Ban Ta Khun, Surat Thani (961315)

Page 86: HYDROLOGICAL YEARBOOK WATER YEAR 2007water.egat.co.th/yearBook/yearbook_report/YEARBOOK2007...YEARBOOK WATER YEAR 2007 Water Resources Management Department Survey Division Electricity

DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 67.0 79.0 74.0 75.0 77.0 80.0 93.0 87.0 87.0 62.0 62.0 69.0

2 70.0 80.0 75.0 87.0 56.0 86.0 91.0 80.0 71.0 61.0 64.0 62.0

3 69.0 84.0 82.0 87.0 79.0 88.0 95.0 83.0 71.0 76.0 76.0 64.0

4 67.0 74.0 75.0 91.0 86.0 82.0 92.0 80.0 83.0 78.0 69.0 76.0

5 68.0 89.0 92.0 83.0 92.0 80.0 83.0 74.0 71.0 78.0 77.0 53.0

6 72.0 90.0 75.0 79.0 92.0 82.0 84.0 72.0 69.0 72.0 77.0 66.0

7 73.0 81.0 75.0 84.0 92.0 83.0 89.0 67.0 72.0 71.0 74.0 72.0

8 73.0 83.0 70.0 86.0 86.0 85.0 83.0 63.0 78.0 72.0 70.0 68.0

9 66.0 86.0 75.0 81.0 88.0 91.0 83.0 62.0 78.0 77.0 69.0 71.0

10 65.0 91.0 75.0 77.0 79.0 80.0 86.0 78.0 68.0 72.0 64.0 60.0

11 64.0 91.0 75.0 77.0 81.0 77.0 92.0 87.0 73.0 76.0 68.0 63.0

12 73.0 89.0 82.0 82.0 84.0 72.0 77.0 81.0 76.0 78.0 67.0 70.0

13 75.0 88.0 73.0 74.0 80.0 91.0 86.0 76.0 71.0 72.0 69.0 60.0

14 68.0 88.0 84.0 77.0 80.0 80.0 86.0 71.0 71.0 62.0 69.0 69.0

15 83.0 82.0 73.0 81.0 82.0 83.0 82.0 73.0 85.0 71.0 63.0 68.0

16 73.0 80.0 86.0 88.0 91.0 88.0 92.0 73.0 68.0 71.0 64.0 57.0

17 75.0 80.0 81.0 82.0 95.0 82.0 72.0 83.0 66.0 65.0 77.0 62.0

18 73.0 77.0 80.0 77.0 90.0 91.0 89.0 85.0 81.0 76.0 70.0 71.0

19 83.0 83.0 78.0 82.0 87.0 91.0 72.0 81.0 73.0 67.0 59.0 72.0

20 73.0 72.0 75.0 80.0 83.0 81.0 65.0 72.0 72.0 62.0 64.0 62.0

21 77.0 77.0 74.0 90.0 82.0 78.0 67.0 72.0 73.0 58.0 82.0 74.0

22 68.0 74.0 84.0 84.0 90.0 71.0 76.0 78.0 79.0 67.0 65.0 80.0

23 66.0 74.0 77.0 80.0 83.0 86.0 66.0 72.0 80.0 61.0 70.0 74.0

24 63.0 73.0 80.0 70.0 81.0 74.0 73.0 74.0 68.0 61.0 81.0 68.0

25 72.0 75.0 80.0 77.0 86.0 81.0 76.0 74.0 68.0 71.0 78.0 68.0

26 69.0 80.0 86.0 74.0 74.0 81.0 82.0 67.0 88.0 65.0 79.0 74.0

27 61.0 87.0 83.0 82.0 79.0 82.0 68.0 65.0 65.0 77.0 64.0 88.0

28 72.0 87.0 87.0 84.0 82.0 87.0 79.0 67.0 75.0 62.0 69.0 64.0

29 86.0 83.0 83.0 80.0 81.0 84.0 74.0 73.0 56.0 63.0 69.0 81.0

30 86.0 83.0 83.0 86.0 85.0 88.0 84.0 70.0 71.0 71.0 80.0

31 82.0 84.0 81.0 79.0 60.0 75.0 77.0

Mean 71.7 82.0 79.1 81.3 83.4 82.8 81.2 74.7 73.1 69.4 70.0 69.1

Average 2002-2007

Monthly 75.4 81.4 83.7 85.4 87.9 87.5 82.3 77.5 76.7 74.7 73.5 73.4

Daily Relative Humidity Data in Millimeters for Water Year 2007

Sirindhorn Dam, A. Sirindhorn, Ubol Ratchathani (967374)

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DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 75.0 88.0 96.0 83.0 97.0 96.0 95.0 91.0 92.0 97.0 86.5 -99.9

2 67.5 91.5 92.0 89.5 90.0 94.0 98.0 94.0 93.0 86.0 97.0 -99.9

3 81.0 98.0 93.4 89.5 84.0 97.5 98.0 91.0 85.0 93.0 85.0 -99.9

4 76.3 97.0 87.0 87.0 79.0 92.0 97.0 84.0 87.0 91.0 87.0 -99.9

5 84.6 96.9 90.0 90.0 89.0 96.7 97.0 86.0 88.0 92.0 91.0 -99.9

6 80.6 98.0 90.0 93.0 93.0 99.0 99.0 96.0 82.0 91.0 97.0 -99.9

7 88.0 99.0 86.0 95.0 84.0 98.0 98.0 97.0 82.0 94.0 95.0 -99.9

8 84.5 95.0 87.0 96.0 93.0 99.0 98.0 82.0 97.0 94.0 92.0 -99.9

9 81.5 88.0 87.0 89.5 95.0 92.0 97.5 90.0 92.0 93.0 89.0 -99.9

10 38.5 91.0 81.5 97.0 95.0 93.3 94.0 88.0 94.0 97.0 81.4 -99.9

11 96.0 86.0 78.8 87.0 89.0 95.0 94.0 94.0 95.0 92.0 81.0 -99.9

12 88.0 97.0 89.0 77.0 93.0 98.0 92.5 95.0 94.0 97.0 86.5 -99.9

13 92.0 89.0 89.5 83.0 88.0 92.6 93.0 90.6 97.0 96.5 70.0 -99.9

14 89.0 89.6 89.1 89.0 90.0 98.0 97.0 88.0 94.0 86.0 73.5 -99.9

15 90.5 97.0 89.9 89.5 84.0 96.0 94.0 88.0 96.0 90.0 80.5 -99.9

16 82.5 92.0 88.5 90.0 92.0 92.0 85.0 90.0 91.0 90.5 83.5 -99.9

17 90.1 93.6 99.0 92.0 96.0 97.0 90.0 91.0 93.0 90.0 83.5 -99.9

18 91.5 97.5 92.0 88.0 89.0 95.0 94.0 91.0 92.0 87.0 81.5 -99.9

19 92.5 94.0 95.0 87.0 83.5 94.0 92.5 83.0 94.0 93.0 85.0 -99.9

20 82.0 85.5 99.0 87.0 83.0 99.0 91.0 91.0 92.0 88.0 86.0 -99.9

21 87.0 96.0 89.0 96.0 97.0 95.5 94.0 92.0 93.0 95.0 88.0 -99.9

22 79.0 92.0 89.0 92.5 92.0 95.5 64.0 92.0 96.0 94.0 97.0 -99.9

23 76.0 84.0 96.0 93.0 96.0 94.0 95.0 92.0 96.0 90.0 95.0 -99.9

24 80.0 79.0 94.0 95.0 98.0 95.5 91.0 95.5 94.0 94.0 90.0 -99.9

25 71.0 83.0 92.0 93.0 97.5 93.0 90.0 91.0 94.0 94.0 87.0 -99.9

26 90.0 81.5 99.0 90.0 92.5 97.0 92.0 98.0 94.6 81.5 85.0 -99.9

27 86.0 90.0 93.0 99.0 96.0 91.0 92.0 91.0 97.0 92.0 72.0 -99.9

28 85.0 87.0 97.5 92.5 91.0 92.5 92.0 93.0 96.0 82.0 77.0 -99.9

29 87.0 92.5 93.0 93.0 95.0 92.0 93.0 94.0 91.0 95.0 84.0 -99.9

30 89.5 98.0 90.0 97.0 96.0 93.0 94.0 95.0 96.0 85.0 -99.9

31 94.0 95.0 97.0 93.0 95.0 99.0 -99.9

Mean 82.7 91.6 91.1 90.8 91.4 95.1 93.0 91.1 92.7 91.6 85.8

Average 1976-2007

Monthly 77.5 85.4 86.0 88.4 89.7 92.3 91.1 88.2 87.4 85.8 81.2 77.6

Remark : the value -99.9 indicated the missing data.

Sirikit Dam, A. Tha Pla, Uttaradit (970095)

Daily Relative Humidity Data in Millimeters for Water Year 2007

Page 88: HYDROLOGICAL YEARBOOK WATER YEAR 2007water.egat.co.th/yearBook/yearbook_report/YEARBOOK2007...YEARBOOK WATER YEAR 2007 Water Resources Management Department Survey Division Electricity

DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 95.0 95.0 96.0 92.0 96.0 98.0 95.0 -99.9 -99.9 -99.9 -99.9 95.0

2 95.0 95.0 96.0 93.0 93.0 96.0 95.0 -99.9 -99.9 -99.9 -99.9 95.0

3 95.0 95.0 95.0 92.0 92.0 92.0 95.0 -99.9 -99.9 -99.9 -99.9 96.0

4 92.0 95.0 96.0 96.0 92.0 92.0 96.0 -99.9 -99.9 -99.9 -99.9 96.0

5 94.0 95.0 93.0 96.0 96.0 97.0 96.0 -99.9 -99.9 -99.9 -99.9 97.0

6 96.0 95.0 95.0 88.0 96.0 96.0 95.0 -99.9 -99.9 -99.9 -99.9 95.0

7 96.0 95.0 95.0 97.0 95.0 91.0 95.0 -99.9 -99.9 -99.9 -99.9 95.0

8 96.0 95.0 97.0 97.0 92.0 95.0 95.0 -99.9 -99.9 -99.9 -99.9 95.0

9 95.0 92.0 98.0 95.0 96.0 96.0 95.0 -99.9 -99.9 -99.9 -99.9 93.0

10 95.0 95.0 94.0 92.0 95.0 92.0 92.0 -99.9 -99.9 -99.9 -99.9 92.0

11 92.0 95.0 95.0 93.0 96.0 88.0 95.0 -99.9 -99.9 -99.9 -99.9 96.0

12 95.0 97.0 95.0 97.0 96.0 92.0 95.0 -99.9 -99.9 -99.9 -99.9 95.0

13 95.0 96.0 92.0 95.0 92.0 98.0 97.0 -99.9 -99.9 -99.9 -99.9 95.0

14 95.0 96.0 95.0 95.0 84.0 92.0 92.0 -99.9 -99.9 -99.9 -99.9 95.0

15 95.0 96.0 95.0 95.0 95.0 95.0 95.0 -99.9 -99.9 -99.9 -99.9 95.0

16 94.0 92.0 95.0 97.0 92.0 95.0 96.0 -99.9 -99.9 -99.9 -99.9 91.0

17 95.0 95.0 96.0 95.0 95.0 95.0 95.0 -99.9 -99.9 -99.9 -99.9 95.0

18 92.0 95.0 98.0 95.0 96.0 95.0 92.0 -99.9 -99.9 -99.9 -99.9 96.0

19 96.0 92.0 95.0 96.0 96.0 95.0 95.0 -99.9 -99.9 -99.9 -99.9 91.0

20 91.0 92.0 92.0 96.0 93.0 93.0 92.0 -99.9 -99.9 -99.9 -99.9 91.0

21 91.0 94.0 92.0 96.0 92.0 93.0 95.0 -99.9 -99.9 -99.9 -99.9 91.0

22 93.0 95.0 95.0 96.0 95.0 96.0 96.0 -99.9 -99.9 -99.9 -99.9 91.0

23 92.0 94.0 96.0 96.0 95.0 96.0 96.0 -99.9 -99.9 -99.9 -99.9 96.0

24 92.0 95.0 93.0 92.0 95.0 96.0 96.0 -99.9 -99.9 -99.9 -99.9 87.0

25 93.0 94.0 95.0 96.0 95.0 97.0 96.0 -99.9 -99.9 -99.9 -99.9 95.0

26 95.0 94.0 96.0 96.0 95.0 96.0 95.0 -99.9 -99.9 -99.9 -99.9 95.0

27 95.0 93.0 96.0 95.0 95.0 95.0 97.0 -99.9 -99.9 -99.9 -99.9 95.0

28 96.0 92.0 92.0 97.0 96.0 95.0 95.0 -99.9 -99.9 -99.9 -99.9 92.0

29 96.0 96.0 92.0 100.0 96.0 96.0 95.0 -99.9 -99.9 -99.9 -99.9 89.0

30 95.0 92.0 96.0 92.0 96.0 96.0 95.0 -99.9 -99.9 -99.9 92.0

31 96.0 96.0 98.0 100.0 -99.9 -99.9 92.0

Mean 94.2 94.5 94.9 95.0 94.4 94.6 95.1 93.7

Average 1976-2007

Monthly 91.7 91.6 92.0 92.1 92.0 91.4 92.1 93.7 94.3 94.0 93.6 92.7

Remark : the value -99.9 indicated the missing data.

Daily Relative Humidity Data in Millimeters for Water Year 2007

Bang Lang Dam, A. Bannang Sata, Yala (971135)

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DAY APR. MAY JUN. JUL. AUG. SEP. OCT. NOV. DEC. JAN. FEB. MAR.

1 97.0 98.0 97.0 98.0 98.0 98.0 98.0 100.0 100.0 97.0 97.0 100.0

2 98.0 100.0 98.0 98.0 100.0 98.0 98.0 98.0 100.0 98.0 98.0 100.0

3 100.0 98.0 100.0 98.0 98.0 98.0 98.0 97.0 98.0 98.0 93.0 98.0

4 100.0 98.0 100.0 98.0 98.0 98.0 97.0 97.0 100.0 100.0 98.0 100.0

5 98.0 98.0 97.0 98.0 98.0 98.0 98.0 97.0 97.0 100.0 100.0 98.0

6 98.0 97.0 98.0 98.0 97.0 98.0 97.0 98.0 98.0 100.0 100.0 98.0

7 98.0 97.0 97.0 98.0 97.0 98.0 98.0 100.0 100.0 98.0 98.0 98.0

8 98.0 97.0 98.0 97.0 97.0 97.0 98.0 98.0 100.0 98.0 98.0 98.0

9 98.0 100.0 97.0 98.0 98.0 98.0 97.0 100.0 98.0 97.0 98.0 100.0

10 98.0 97.0 98.0 98.0 98.0 98.0 95.0 98.0 98.0 98.0 98.0 100.0

11 98.0 98.0 100.0 100.0 100.0 97.0 97.0 98.0 100.0 98.0 98.0 100.0

12 97.0 98.0 98.0 100.0 97.0 98.0 97.0 100.0 98.0 95.0 98.0 100.0

13 97.0 98.0 97.0 97.0 98.0 98.0 98.0 98.0 100.0 95.0 100.0 100.0

14 98.0 98.0 100.0 98.0 97.0 98.0 98.0 98.0 100.0 98.0 100.0 100.0

15 97.0 98.0 100.0 98.0 98.0 100.0 98.0 98.0 100.0 98.0 100.0 98.0

16 98.0 98.0 98.0 95.0 98.0 100.0 97.0 97.0 97.0 100.0 100.0 98.0

17 97.0 97.0 100.0 98.0 95.0 98.0 97.0 98.0 100.0 98.0 100.0 97.0

18 98.0 98.0 98.0 100.0 98.0 100.0 97.0 98.0 100.0 100.0 98.0 97.0

19 98.0 98.0 98.0 98.0 100.0 100.0 100.0 98.0 100.0 100.0 100.0 100.0

20 100.0 97.0 98.0 98.0 97.0 98.0 100.0 100.0 100.0 100.0 100.0 97.0

21 98.0 97.0 98.0 97.0 98.0 98.0 98.0 98.0 100.0 98.0 100.0 97.0

22 97.0 97.0 100.0 98.0 98.0 100.0 98.0 95.0 97.0 98.0 98.0 95.0

23 100.0 100.0 98.0 100.0 98.0 98.0 98.0 98.0 98.0 100.0 98.0 98.0

24 97.0 97.0 98.0 98.0 98.0 98.0 98.0 97.0 98.0 100.0 98.0 97.0

25 97.0 100.0 100.0 100.0 98.0 98.0 97.0 97.0 100.0 98.0 97.0 97.0

26 97.0 98.0 98.0 98.0 98.0 98.0 98.0 98.0 98.0 100.0 97.0 97.0

27 98.0 98.0 97.0 100.0 100.0 98.0 98.0 98.0 98.0 100.0 100.0 100.0

28 98.0 100.0 98.0 100.0 97.0 98.0 100.0 95.0 98.0 100.0 98.0 100.0

29 98.0 97.0 98.0 100.0 98.0 97.0 100.0 97.0 97.0 98.0 100.0 100.0

30 97.0 98.0 98.0 98.0 98.0 98.0 98.0 100.0 98.0 95.0 100.0

31 98.0 97.0 97.0 97.0 98.0 100.0 94.0

Mean 97.9 98.0 98.3 98.3 97.9 98.2 97.8 98.0 98.8 98.5 98.6 98.5

Average 1988-2007

Monthly 97.5 97.1 97.5 97.4 97.5 97.5 97.6 97.8 98.3 98.3 98.2 97.8

Daily Relative Humidity Data in Millimeters for Water Year 2007

Ban K.M.29, A. Betong, Yala (971175)