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1949 Sugarland Dr #102, Sheridan, WY 82801 (307) 672-5820 Fax (866) 574-1366

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SHERIDAN COUNTY SNOWPACK REPORTApril 3, 2013

Data Site Elevation

Snow

Depth

(Inches)

Water

Content

(Inches)

30 Year Median

Water Content*

(Inches)

% of

Median

% of Last

Year

TONGUE RIVER DRAINAGE:

BALD MTN SNOTEL 9375 13.9 18.8 74% 68%

BIG GOOSE SNOTEL 7990 6.8 9.1 75% 87%

BONE SPRINGS SNOTEL 9350 13.2 16.1 82% 70%

BURGESS JCT. SNOTEL 7880 9.6 11.4 84% 86%

DOME LAKE SNOTEL 8880 8.6 11.6 74% 72%

NORTH TONGUE SNOW COURSE 8450 36.9 8.5 13 65% 65%

SAWMILL DIVIDE SNOW COURSE 9260 42.8 11.3 13 87% 74%

SUCKER CREEK SNOTEL 8880 11.2 11.5 97% 98%

TIE CREEK SNOTEL 7080 4.9 5.5 89% 4900%

WOODROCK SNOW COURSE 8440 31.4 7.8 10.2 76% 74%

Average: 80% 77%

CLEAR CREEK DRAINAGE:

CLOUD PEAK SNOTEL 9860 11.5 14.2 81% 86%

HANSEN SAWMILL SNOTEL 8760 5.9 6.3 94% 492%

POWDER RIVER PASS SNOTEL 9480 10.8 10 108% 103%

SOLDIER PARK SNOW COURSE 8780 16.9 3.9 5.9 66% **

SOURDOUGH SNOW COURSE 8460 24.7 6.4 7.1 90% **

*Period used is 1971-2000; Averages used for manual snow courses.** Not Accessible; No Measurement Average: 88% 227%

April 2nd Snowpack in Sheridan County drainages show lower snow water in both the Tongue River and the ClearCreek drainages than March 1st. The Tongue River drainage is at 80% of the 30 year median for April 1st, whichincludes both manual snow courses and Snotel remote site data. Manual snow course and Snotel remote site data inthe Clear Creek drainage indicate the basin is at 88% of the 30 year median. The manual snow courses pulled theaverages lower again this month; Snotel data alone indicate the Tongue River drainage at 82% of median and theClear Creek drainage at 94% of 30 year median. Total precipitation at the Tongue River Snotel sites is at 78% ofaverage and the Powder River drainage Snotel sites are at 96% of average precipitation for the 2013 water year thusfar.

State-wide snow water averages are mostly lower since last months report. The Powder River drainage remains thehighest in the State at 97% of median, while the majority of the basins remain at 75 to 90% of median for this time ofyear. The Lower North Platte River drainage remains the lowest in the State, and held steady relative to the 30 yearmedian at 66% of median, while the Belle Fourche River basin experience the greatest loss of snowpack, falling 16%since last months update.

Snotel remote data collectors are permanent sites that transmit real-time snow water content and precipitation datathrough a west-wide computer network. Daily data from these sites, as well as other water supply related reports andproducts can be accessed through theWater link on the Wyoming NRCS Homepage atwww.wy.nrcs.usda.gov.

Reported by Andrew Cassiday, NRCS Sheridan County District Conservationist

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