Upper Colorado Snowpack Database

Lake Powell, Vail, Steamboat Springs, Crested Butte

Colorado Snow

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ENTIRE UPPER COLORADO RIVER BASIN
As of: 2026-09-15
Day #350 of Water Year 2026
All water / SWE measurements in inches

SNOTEL SITES
REPORTING AVG
ELEVATION AVG
CUR SWE AVG
SWE AVG PCT
SWE AVG ALL UC
MEDIAN SWE PCT
MEDIAN SWE AVG
CUR TP AVG
TP AVG PCT
TP AVG SNOWPACK
MAX DATE SNOWPACK
MAX AMT PCT of
MAX AMT

134 of 141 9,630 0.053 0.001 3,785.71% 0.000 % 24.117 29.365 82.13% April 4th 15.580 0.34%

Summary of River Basin Averages that drain into Lake Powell

RIVER BASIN
Click for details and graph BASIN SITES
REPORTING AVG
ELEVATION AVG
CUR SWE AVG
SWE AVG PCT
SWE AVG BASIN
MEDIAN SWE PCT
MEDIAN SWE AVG
CUR TP AVG
TP AVG PCT
TP AVG SNOWPACK
MAX DATE SNOWPACK
MAX AMT PCT of
MAX AMT

SOUTH EASTERN UTAH 3 of 6 8,976 0.133 0.000 % 0.000 % 21.817 25.751 84.72% March 14th 10.750 1.24%

DIRTY DEVIL RIVER 5 of 6 9,445 0.000 0.000 * % 0.000 % 17.640 21.958 80.34% March 31st 9.491 0.00%

PRICE-SAN RAFAEL 11 of 11 9,013 0.000 0.000 * % 0.000 % 22.046 25.770 85.55% March 31st 13.981 0.00%

ESCALANTE RIVER 4 of 4 9,877 0.025 0.000 % 0.000 % 20.000 22.998 86.97% April 3rd 10.582 0.24%

DOLORES/SAN MIGUEL RIVER 9 of 9 10,316 0.000 0.001 * 0.00% 0.000 % 27.656 31.558 87.63% March 31st 15.640 0.00%

UPPER GREEN RIVER 23 of 26 8,946 0.000 0.000 * 0.00% 0.000 % 24.783 25.280 98.03% April 9th 14.148 0.00%

ANIMAS RIVER 8 of 9 10,439 0.025 0.004 657.89% 0.000 % 32.275 35.170 91.77% April 4th 17.615 0.14%

UPPER COLORADO RIVER HEADWATERS 20 of 20 10,195 0.090 0.004 2,195.12% 0.000 % 21.000 29.556 71.05% April 12th 16.217 0.55%

SAN JUAN RIVER HEADWATERS 9 of 9 10,689 0.056 0.002 2,316.67% 0.000 % 30.578 35.028 87.30% April 5th 18.871 0.29%

ROARING FORK RIVER 8 of 8 9,780 0.062 0.001 4,807.69% 0.000 % 18.143 31.308 57.95% April 4th 16.685 0.37%

GUNNISON RIVER 16 of 16 10,320 0.131 0.001 13,120.00% 0.000 % 21.979 30.169 72.85% April 5th 16.621 0.79%

YAMPA/WHITE RIVER 21 of 21 9,153 0.090 0.000 18,100.00% 0.000 % 26.762 34.402 77.79% April 4th 20.167 0.45%

DUCHESNE RIVER 13 of 15 9,301 0.085 0.000 42,300.00% 0.000 % 25.464 27.212 93.58% March 31st 13.492 0.63%

SWE and TP Averages are from the 30 year average calculated from all data between 10/01/1990 and 09/30/2020

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Upper Colorado River Basin SWE and TP Averages are from the 30 year average calculated from data between 10/01/1990 and 09/30/2020

Abbreviations Legend:
-- indicates the either no measurement taken or data not received
SWE = Snow Water Equivalent
SWE is the amount of water in a volume of snow, measured by weight
TP = Total Precipitation
AVG SWE = Average Snow Water Equivalent for date listed above
AVG TP = Average Total Precipitation for date listed above
PCT SWE AVG = SWE as a Percent of Average SWE for that date
PCT TP AVG = TP as a Percent of Average TP for that date
Percent of Average Numbers are calculated only for those stations that report for a given date
A non-reporting station is eliminated from the calculation of overall averages, not treated as a 0
* Max Snowpack numbers and dates come from NRCS data for previous year

Colors Legend:
Red, less than 50% of average
Orange, between 50% and 80% of average
Green, between 80% and 120% of average
Blue, between 120% and 150% of average
Purple, greater than 150% of average

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Snow data courtesy of the NRCS and the USDA
All data is provisional and subject to review and modification
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Lake Powell, Vail, Steamboat Springs, Crested Butte