Upper Colorado Snowpack Database

Lake Powell, Vail, Steamboat Springs, Crested Butte

Colorado Snow

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ENTIRE UPPER COLORADO RIVER BASIN
As of: 2025-08-10
Day #314 of Water Year 2025
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 0.024 0.000 % 0.000 % 21.212 26.972 78.65% April 4th 15.580 0.15%

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 6 of 6 8,976 0.017 0.000 % 0.000 % 13.860 22.982 60.31% March 14th 10.750 0.16%

DIRTY DEVIL RIVER 6 of 6 9,445 0.000 0.000 * % 0.000 % 13.820 19.664 70.28% March 31st 9.491 0.00%

DOLORES/SAN MIGUEL RIVER 9 of 9 10,316 0.011 0.000 % 0.000 % 24.189 28.333 85.37% March 31st 15.640 0.07%

PRICE-SAN RAFAEL 10 of 11 9,013 0.000 0.000 * % 0.000 % 19.140 23.627 81.01% March 31st 13.981 0.00%

ESCALANTE RIVER 4 of 4 9,877 0.000 0.000 * % 0.000 % 13.850 20.295 68.24% April 3rd 10.582 0.00%

ANIMAS RIVER 8 of 9 10,439 0.000 0.000 * % 0.000 % 25.300 31.488 80.35% April 4th 17.615 0.00%

ROARING FORK RIVER 8 of 8 9,780 0.000 0.000 * % 0.000 % 21.450 29.049 73.84% April 4th 16.685 0.00%

YAMPA/WHITE RIVER 21 of 21 9,153 0.043 0.000 % 0.000 % 26.585 32.568 81.63% April 4th 20.167 0.21%

GUNNISON RIVER 15 of 16 10,320 0.000 0.000 * % 0.000 % 20.612 27.643 74.57% April 5th 16.621 0.00%

SAN JUAN RIVER HEADWATERS 9 of 9 10,689 0.022 0.000 % 0.000 % 22.544 31.424 71.74% April 5th 18.871 0.12%

UPPER GREEN RIVER 25 of 26 8,946 0.016 0.000 % 0.000 % 20.248 23.432 86.41% April 9th 14.148 0.11%

UPPER COLORADO RIVER HEADWATERS 20 of 20 10,195 0.045 0.000 % 0.000 % 23.360 27.467 85.05% April 12th 16.217 0.28%

DUCHESNE RIVER 11 of 15 9,301 0.091 0.000 45,450.00% 0.000 % 18.427 24.646 74.76% March 31st 13.492 0.67%

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