Upper Colorado Snowpack Database

Lake Powell, Vail, Steamboat Springs, Crested Butte

Colorado Snow

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ENTIRE UPPER COLORADO RIVER BASIN
As of: 2025-12-20
Day #81 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

136 of 141 9,630 3.268 5.352 61.05% 5.141 63.56% 6.926 7.160 96.73% April 4th 15.580 20.97%

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

PRICE-SAN RAFAEL 11 of 11 9,013 1.809 4.297 42.10% 4.171 43.37% 5.300 6.319 83.87% March 31st 13.981 12.94%

ANIMAS RIVER 7 of 9 10,439 3.129 6.327 49.45% 6.311 49.57% 11.771 8.835 133.24% April 4th 17.615 17.76%

SAN JUAN RIVER HEADWATERS 8 of 9 10,689 3.500 6.819 51.33% 6.867 50.97% 12.750 9.016 141.42% April 5th 18.871 18.55%

ROARING FORK RIVER 8 of 8 9,780 2.912 5.582 52.17% 5.625 51.78% 5.350 7.494 71.39% April 4th 16.685 17.46%

SOUTH EASTERN UTAH 6 of 6 8,976 1.667 3.153 52.87% 3.267 51.02% 7.083 6.167 114.86% March 14th 10.750 15.50%

GUNNISON RIVER 16 of 16 10,320 2.962 5.529 53.58% 5.353 55.34% 7.119 7.321 97.23% April 5th 16.621 17.82%

UPPER COLORADO RIVER HEADWATERS 20 of 20 10,195 3.210 5.673 56.58% 5.706 56.26% 5.135 6.946 73.92% April 12th 16.217 19.79%

DIRTY DEVIL RIVER 6 of 6 9,445 1.717 2.911 58.98% 2.625 65.40% 4.950 5.017 98.67% March 31st 9.491 18.09%

YAMPA/WHITE RIVER 21 of 21 9,153 4.090 6.843 59.77% 6.515 62.79% 7.495 8.900 84.21% April 4th 20.167 20.28%

DOLORES/SAN MIGUEL RIVER 9 of 9 10,316 3.189 5.321 59.93% 5.325 59.89% 8.333 7.498 111.14% March 31st 15.640 20.39%

DUCHESNE RIVER 14 of 15 9,301 3.143 4.609 68.19% 4.120 76.28% 6.150 6.574 93.56% March 31st 13.492 23.29%

ESCALANTE RIVER 4 of 4 9,877 2.825 3.290 85.87% 2.700 104.63% 6.125 5.062 121.00% April 3rd 10.582 26.70%

UPPER GREEN RIVER 24 of 26 8,946 4.367 4.842 90.18% 4.450 98.13% 6.788 6.046 112.27% April 9th 14.148 30.86%

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