Upper Colorado Snowpack Database

Lake Powell, Vail, Steamboat Springs, Crested Butte

Colorado Snow

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ENTIRE UPPER COLORADO RIVER BASIN
As of: 2025-12-05
Day #66 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 1.976 3.762 52.52% 3.572 55.31% 5.657 5.616 100.73% April 4th 15.580 12.68%

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

UPPER COLORADO RIVER HEADWATERS 20 of 20 10,195 1.550 4.062 38.16% 4.118 37.64% 3.495 5.403 64.68% April 12th 16.217 9.56%

YAMPA/WHITE RIVER 21 of 21 9,153 1.848 4.751 38.89% 4.595 40.21% 5.062 6.870 73.68% April 4th 20.167 9.16%

PRICE-SAN RAFAEL 11 of 11 9,013 1.164 2.769 42.02% 2.629 44.27% 4.527 4.953 91.41% March 31st 13.981 8.32%

ROARING FORK RIVER 8 of 8 9,780 1.888 3.934 47.98% 3.962 47.63% 4.125 5.858 70.42% April 4th 16.685 11.31%

UPPER GREEN RIVER 24 of 26 8,946 1.912 3.526 54.24% 3.200 59.77% 4.630 4.830 95.87% April 9th 14.148 13.52%

DUCHESNE RIVER 15 of 15 9,301 1.807 3.197 56.51% 3.020 59.82% 4.927 5.178 95.15% March 31st 13.492 13.39%

GUNNISON RIVER 16 of 16 10,320 2.256 3.870 58.31% 3.660 61.64% 6.369 5.697 111.78% April 5th 16.621 13.57%

ANIMAS RIVER 7 of 9 10,439 2.786 4.448 62.62% 4.278 65.12% 11.186 6.935 161.29% April 4th 17.615 15.81%

SAN JUAN RIVER HEADWATERS 8 of 9 10,689 3.338 4.883 68.35% 4.511 73.98% 12.538 7.012 178.81% April 5th 18.871 17.69%

DIRTY DEVIL RIVER 6 of 6 9,445 1.483 2.098 70.69% 1.950 76.07% 4.700 4.140 113.53% March 31st 9.491 15.63%

SOUTH EASTERN UTAH 6 of 6 8,976 1.433 2.020 70.97% 1.833 78.18% 7.050 4.946 142.53% March 14th 10.750 13.33%

DOLORES/SAN MIGUEL RIVER 9 of 9 10,316 2.844 3.661 77.70% 3.550 80.12% 7.878 5.882 133.93% March 31st 15.640 18.19%

ESCALANTE RIVER 4 of 4 9,877 2.725 2.569 106.07% 1.800 151.39% 6.075 4.337 140.08% April 3rd 10.582 25.75%

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