Upper Colorado Snowpack Database

Lake Powell, Vail, Steamboat Springs, Crested Butte

Colorado Snow

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ENTIRE UPPER COLORADO RIVER BASIN
As of: 2026-09-10
Day #345 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

138 of 141 9,630 0.021 0.013 161.54% 0.000 % 23.806 28.946 82.24% April 4th 15.580 0.13%

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 6 of 6 9,445 0.000 0.000 * % 0.000 % 19.400 21.493 90.26% March 31st 9.491 0.00%

PRICE-SAN RAFAEL 11 of 11 9,013 0.000 0.000 * % 0.000 % 21.827 25.321 86.20% March 31st 13.981 0.00%

ESCALANTE RIVER 4 of 4 9,877 0.000 0.000 * % 0.000 % 22.075 22.468 98.25% April 3rd 10.582 0.00%

SOUTH EASTERN UTAH 6 of 6 8,976 0.000 0.016 * 0.00% 0.000 % 21.700 25.276 85.85% March 14th 10.750 0.00%

DOLORES/SAN MIGUEL RIVER 9 of 9 10,316 0.000 0.017 * 0.00% 0.000 % 26.511 30.994 85.54% March 31st 15.640 0.00%

UPPER GREEN RIVER 24 of 26 8,946 0.000 0.005 * 0.00% 0.000 % 24.658 24.940 98.87% April 9th 14.148 0.00%

ANIMAS RIVER 8 of 9 10,439 0.012 0.031 40.58% 0.000 % 31.238 34.483 90.59% April 4th 17.615 0.07%

GUNNISON RIVER 16 of 16 10,320 0.025 0.025 100.40% 0.000 % 21.788 29.761 73.21% April 5th 16.621 0.15%

SAN JUAN RIVER HEADWATERS 9 of 9 10,689 0.044 0.042 105.71% 0.000 % 30.067 34.416 87.36% April 5th 18.871 0.24%

ROARING FORK RIVER 8 of 8 9,780 0.038 0.015 246.71% 0.000 % 19.400 30.948 62.69% April 4th 16.685 0.22%

UPPER COLORADO RIVER HEADWATERS 20 of 20 10,195 0.065 0.011 590.91% 0.000 % 20.660 29.228 70.68% April 12th 16.217 0.40%

YAMPA/WHITE RIVER 21 of 21 9,153 0.071 0.010 686.54% 0.000 % 26.543 34.071 77.90% April 4th 20.167 0.35%

DUCHESNE RIVER 15 of 15 9,301 0.020 0.001 2,857.14% 0.000 % 25.379 26.760 94.84% March 31st 13.492 0.15%

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