Upper Colorado Snowpack Database

Lake Powell, Vail, Steamboat Springs, Crested Butte

Colorado Snow

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ENTIRE UPPER COLORADO RIVER BASIN
As of: 2026-06-04
Day #247 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

137 of 141 9,630 0.227 3.064 7.41% 1.607 14.12% 18.318 23.361 78.41% April 4th 15.580 1.46%

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 0.125 * 0.00% 0.000 % 12.083 16.187 74.65% March 31st 9.491 0.00%

PRICE-SAN RAFAEL 11 of 11 9,013 0.000 0.705 * 0.00% 0.000 % 15.382 20.682 74.37% March 31st 13.981 0.00%

GUNNISON RIVER 16 of 16 10,320 0.012 2.886 0.43% 1.200 1.04% 17.681 23.865 74.09% April 5th 16.621 0.08%

DUCHESNE RIVER 15 of 15 9,301 0.013 2.760 0.48% 0.887 1.50% 18.013 21.078 85.46% March 31st 13.492 0.10%

ANIMAS RIVER 7 of 9 10,439 0.029 3.076 0.93% 0.422 6.77% 23.843 26.913 88.59% April 4th 17.615 0.16%

UPPER COLORADO RIVER HEADWATERS 20 of 20 10,195 0.045 4.706 0.96% 3.076 1.46% 16.760 23.829 70.34% April 12th 16.217 0.28%

ROARING FORK RIVER 8 of 8 9,780 0.025 2.583 0.97% 1.025 2.44% 16.562 25.413 65.17% April 4th 16.685 0.15%

SAN JUAN RIVER HEADWATERS 8 of 9 10,689 0.062 4.248 1.47% 1.933 3.23% 24.725 26.849 92.09% April 5th 18.871 0.33%

UPPER GREEN RIVER 25 of 26 8,946 0.204 2.571 7.93% 1.538 13.27% 18.364 20.134 91.21% April 9th 14.148 1.44%

ESCALANTE RIVER 3 of 4 9,877 0.033 0.321 10.38% 0.000 % 13.650 16.647 82.00% April 3rd 10.582 0.31%

DOLORES/SAN MIGUEL RIVER 9 of 9 10,316 0.244 2.043 11.96% 0.425 57.51% 19.400 23.863 81.30% March 31st 15.640 1.56%

YAMPA/WHITE RIVER 21 of 21 9,153 1.010 5.624 17.95% 4.030 25.05% 22.635 29.568 76.55% April 4th 20.167 5.01%

SOUTH EASTERN UTAH 6 of 6 8,976 0.083 0.009 935.96% 0.000 % 15.883 19.011 83.55% March 14th 10.750 0.77%

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