Upper Colorado Snowpack Database

Lake Powell, Vail, Steamboat Springs, Crested Butte

Colorado Snow

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ENTIRE UPPER COLORADO RIVER BASIN
As of: 2026-09-24
Day #359 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

131 of 141 9,630 0.082 0.041 199.27% 0.000 % 26.098 30.113 86.67% April 4th 15.580 0.52%

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

DIRTY DEVIL RIVER 5 of 6 9,445 0.000 0.007 * 0.00% 0.000 % 19.917 22.512 88.47% March 31st 9.491 0.00%

UPPER GREEN RIVER 22 of 26 8,946 0.014 0.036 37.78% 0.000 % 26.183 25.880 101.17% April 9th 14.148 0.10%

DOLORES/SAN MIGUEL RIVER 9 of 9 10,316 0.033 0.035 96.24% 0.000 % 29.856 32.466 91.96% March 31st 15.640 0.21%

UPPER COLORADO RIVER HEADWATERS 20 of 20 10,195 0.100 0.073 136.61% 0.000 % 21.990 30.196 72.82% April 12th 16.217 0.62%

YAMPA/WHITE RIVER 21 of 21 9,153 0.105 0.055 190.89% 0.000 % 28.781 35.272 81.60% April 4th 20.167 0.52%

ANIMAS RIVER 8 of 9 10,439 0.062 0.032 196.54% 0.000 % 36.188 36.200 99.97% April 4th 17.615 0.35%

ROARING FORK RIVER 7 of 8 9,780 0.100 0.046 218.82% 0.000 % 22.050 32.051 68.80% April 4th 16.685 0.60%

SAN JUAN RIVER HEADWATERS 9 of 9 10,689 0.089 0.037 241.58% 0.000 % 35.056 36.055 97.23% April 5th 18.871 0.47%

PRICE-SAN RAFAEL 11 of 11 9,013 0.082 0.028 288.03% 0.000 % 23.782 26.452 89.90% March 31st 13.981 0.59%

GUNNISON RIVER 15 of 16 10,320 0.180 0.035 515.76% 0.000 % 24.613 30.936 79.56% April 5th 16.621 1.08%

DUCHESNE RIVER 12 of 15 9,301 0.133 0.024 544.08% 0.000 % 27.121 27.976 96.94% March 31st 13.492 0.99%

SOUTH EASTERN UTAH 3 of 6 8,976 0.133 0.017 784.12% 0.000 % 23.067 26.486 87.09% March 14th 10.750 1.24%

ESCALANTE RIVER 4 of 4 9,877 0.050 0.004 1,111.11% 0.000 % 23.200 23.560 98.47% April 3rd 10.582 0.47%

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