Correlation Between Precipitation and Temperature by Solaleh Khezri
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Correlation Between Precipitation and Temperature by Solaleh Khezri
description
Correlation Between Precipitation and Temperature by Solaleh Khezri. Selected Stations. Data Collection. Monthly data downloaded from National Climate Data Center for 50 years (1959-2008) Only stations with complete record has been selected Seasons has been defined - PowerPoint PPT Presentation
Transcript of Correlation Between Precipitation and Temperature by Solaleh Khezri
Correlation Between Precipitation and Temperature
by Solaleh Khezri
Selected Stations
Data CollectionMonthly data downloaded from
National Climate Data Center for 50 years (1959-2008)
Only stations with complete record has been selected
Seasons has been definedSeasonal Average has been
calculated.Done ANOVA test to assure
seasonal group of data are significantly different
T-P Correlation Coeff. For Colorado Springs
420 430 440 450 460 470 480 490 500 5100
50100150200250300350400450
f(x) = − 1.18543824675269 x + 699.147746359478R² = 0.102095785220862
Spring
Temperature
Precipita
tion
200 220 240 260 280 300 320 340 360 3800
20
40
60
80
100
120
140
f(x) = − 0.293972961130015 x + 123.028029092347R² = 0.118677497470376
Winter
Temperature
Precipita
tion
640 650 660 670 680 690 700 710 720 7300
100
200
300
400
500
600
f(x) = − 3.47340017773269 x + 2651.21604281126R² = 0.23959740791091
Summer
Temprature
Precipita
tion
450 470 490 510 530 550 5700
50
100
150
200
250
f(x) = − 1.0251413257295 x + 594.481344215387R² = 0.22360377866572
Fall
Temprature
Precipita
tion
T-P Correlation Coeff. for Chicago
150 170 190 210 230 250 270 290 310 330 3500
50100150200250300350400
f(x) = 0.52568077393075 x + 46.1725103139182R² = 0.0752505867047757
Winter
Temprature
Precipitati
on
400 420 440 460 480 500 520 540 5600
100200300400500600700
f(x) = − 0.206067026531087 x + 415.419055760842R² = 0.00259014310229078
Spring
Temprature
Precipitati
on
660 680 700 720 740 760 7800
100200300400500600700800900
f(x) = − 0.0709877985968427 x + 434.944259416569R² = 0.000143202439417789
Summer
Temprature
Precipitati
on
450 470 490 510 530 550 570 5900
100200300400500600700
f(x) = − 0.737805026906148 x + 685.77471225081R² = 0.0140630197309098
Fall
Temprature
Precipitati
on
Calculation of Correlation Coefficient
Spearman Rho Correlation CoefficientsCorrelation Coefficient
Winter Spring Sumer Fall SumBilling -0.5179 -0.1665 -0.70413 -0.43532 -1.82385
0.0001 0.2478 <.0001 0.0016Boston -0.1798 -0.09205 -0.214 0.15974 -0.32611
0.2115 0.5249 0.1356 0.2678Charleston 0.17241 -0.12982 -0.29979 0.19882 -0.05838
0.2312 0.3689 0.0344 0.1663Chicago 0.23392 0.00922 0.01967 -0.13737 0.12544
0.102 0.9493 0.8922 0.3414Colorado Spring -0.36762 -0.26603 -0.41825 -0.504 -1.5559
0.0086 0.0619 0.0025 0.0002Los Angeles -0.08737 -0.25044 -0.10888 0.085 -0.36169
0.5463 0.0794 0.4516 0.5573Memphis 0.17266 -0.15494 -0.29795 -0.01542 -0.29565
0.2305 0.2826 0.0356 0.9154Miami -0.04702 -0.06894 -0.06486 0.05085 -0.12997
0.7458 0.6343 0.6545 0.7258Minneapolis -0.23676 0.01285 -0.08231 0.03928 -0.26694
0.0978 0.9294 0.5698 0.7865San Antonio -0.36199 -0.36665 -0.42616 -0.01157 -1.16637
0.0098 0.0088 0.002 0.9364Seattle 0.0961 0.05792 -0.36016 -0.12699 -0.33313
0.5068 0.6895 0.0102 0.3795Sioux Falls -0.32671 -0.12669 -0.15134 -0.02956 -0.6343
0.0206 0.3806 0.2941 0.8385Tuscan -0.0694 -0.15595 -0.14048 -0.37965 -0.74548
0.632 0.2795 0.3305 0.0065
Pearson’s R Correlation CoefficientsCorrelation Coefficient Winter Spring Sumer Fall Sum
Billing -0.56605 -0.12066 -0.66069 -0.44521 -1.79261 <.0001 0.4039 <.0001 0.0012 Boston -0.192045 -0.19485 -0.22569 0.10917 -0.50341 0.1815 0.1751 0.115 0.4504 Charleston 0.12329 -0.08977 -0.27629 0.16227 -0.0805 0.3937 0.5353 0.0521 0.2602 Chicago 0.27432 -0.05089 -0.01197 -0.11859 0.09287 0.0539 0.7256 0.9343 0.4121 Colorado Spring -0.344496 -0.31952 -0.48949 -0.47287 -1.62638 0.01 0.0237 0.0003 0.0005 Los Angeles -0.01862 -0.23748 -0.04701 0.142243 -0.16087 0.8979 0.0968 0.7458 0.3015 Memphis 0.13356 -0.16126 -0.27607 -0.08074 -0.38451 0.3551 0.2632 0.0523 0.5773 Miami -0.02736 -0.10615 -0.18964 0.02752 -0.29563 0.8504 0.4631 0.1872 0.8496 Minneapolis -0.18832 -0.07849 -0.05409 0.04556 -0.27534 0.1903 0.5879 0.7091 0.7534 San Antonio -0.13033 -0.3545 -0.43281 -0.08783 -1.00547 0.367 0.0115 0.0017 0.5442 Seattle 0.10532 0.01949 -0.33594 -0.15087 -0.362 0.4667 0.8931 0.0171 0.2956 Sioux Falls -0.2737 -0.12592 -0.3015 -0.03038 -0.7315 0.0544 0.3836 0.0334 0.8341 Tuscan -0.145413 -0.14069 -0.19016 -0.40858 -0.88484 0.2975 0.3298 0.1859 0.0032
T-P Correlation Coeff. for Winter
T-P Correlation Coeff. for Spring
T-P Correlation Coeff. for Summer
T-P Correlation Coefficient for Fall
Total Correlation Coefficients
ConclusionsTemperature and Precipitation are negatively correlated.The correlation is most significant during SummerIn mountainous area the correlation is stronger
