Upper Colorado Snowpack Database

Lake Powell, Vail, Steamboat Springs, Crested Butte

Colorado Snow

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ENTIRE UPPER COLORADO RIVER BASIN
As of: 2025-12-04
Day #65 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

139 of 141 9,630 1.872 3.687 50.77% 3.497 53.53% 5.624 5.540 101.51% April 4th 15.580 12.01%

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

YAMPA/WHITE RIVER 21 of 21 9,153 1.657 4.663 35.53% 4.525 36.62% 4.876 6.779 71.93% April 4th 20.167 8.22%

UPPER COLORADO RIVER HEADWATERS 20 of 20 10,195 1.460 3.986 36.63% 4.071 35.87% 3.395 5.330 63.69% April 12th 16.217 9.00%

PRICE-SAN RAFAEL 11 of 11 9,013 1.118 2.712 41.24% 2.586 43.25% 4.491 4.903 91.60% March 31st 13.981 8.00%

DUCHESNE RIVER 15 of 15 9,301 1.440 3.132 45.97% 2.960 48.65% 4.867 5.109 95.25% March 31st 13.492 10.67%

UPPER GREEN RIVER 25 of 26 8,946 1.672 3.442 48.58% 3.129 53.43% 4.479 4.752 94.27% April 9th 14.148 11.82%

ROARING FORK RIVER 8 of 8 9,780 1.925 3.863 49.83% 3.900 49.36% 4.188 5.786 72.37% April 4th 16.685 11.54%

GUNNISON RIVER 16 of 16 10,320 2.281 3.809 59.89% 3.580 63.72% 6.375 5.634 113.16% April 5th 16.621 13.72%

ANIMAS RIVER 8 of 9 10,439 2.850 4.366 65.27% 4.144 68.77% 11.338 6.846 165.61% April 4th 17.615 16.18%

SAN JUAN RIVER HEADWATERS 9 of 9 10,689 3.333 4.785 69.66% 4.422 75.38% 12.556 6.915 181.58% April 5th 18.871 17.66%

DIRTY DEVIL RIVER 6 of 6 9,445 1.467 2.069 70.89% 1.925 76.19% 4.683 4.097 114.30% March 31st 9.491 15.45%

SOUTH EASTERN UTAH 6 of 6 8,976 1.483 1.953 75.96% 1.800 82.41% 7.017 4.861 144.36% March 14th 10.750 13.80%

DOLORES/SAN MIGUEL RIVER 9 of 9 10,316 2.867 3.580 80.08% 3.450 83.09% 7.867 5.798 135.67% March 31st 15.640 18.33%

ESCALANTE RIVER 4 of 4 9,877 2.750 2.531 108.65% 1.767 155.66% 6.050 4.292 140.96% April 3rd 10.582 25.99%

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