Upper Colorado Snowpack Database

Lake Powell, Vail, Steamboat Springs, Crested Butte

Colorado Snow

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ENTIRE UPPER COLORADO RIVER BASIN
As of: 2025-04-19
Day #201 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

136 of 141 9,630 9.595 14.625 65.61% 13.876 69.15% 16.956 19.441 87.22% April 4th 15.580 61.58%

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 0.350 6.102 5.74% 5.300 6.60% 10.650 16.334 65.20% March 14th 10.750 3.26%

ESCALANTE RIVER 3 of 4 9,877 0.567 8.612 6.58% 7.367 7.69% 9.725 13.885 70.04% April 3rd 10.582 5.36%

DIRTY DEVIL RIVER 5 of 6 9,445 2.160 7.089 30.47% 5.200 41.54% 10.733 13.411 80.04% March 31st 9.491 22.76%

SAN JUAN RIVER HEADWATERS 9 of 9 10,689 6.678 17.909 37.29% 16.900 39.51% 16.189 23.418 69.13% April 5th 18.871 35.39%

GUNNISON RIVER 16 of 16 10,320 8.425 15.800 53.32% 14.387 58.56% 16.381 20.272 80.81% April 5th 16.621 50.69%

DOLORES/SAN MIGUEL RIVER 8 of 9 10,316 7.138 13.257 53.84% 12.500 57.10% 18.067 20.262 89.16% March 31st 15.640 45.64%

ANIMAS RIVER 8 of 9 10,439 10.000 16.285 61.41% 15.667 63.83% 19.525 23.259 83.95% April 4th 17.615 56.77%

ROARING FORK RIVER 8 of 8 9,780 10.212 15.631 65.34% 14.675 69.59% 17.675 21.155 83.55% April 4th 16.685 61.21%

PRICE-SAN RAFAEL 11 of 11 9,013 8.009 12.227 65.50% 11.829 67.71% 16.873 17.422 96.85% March 31st 13.981 57.29%

DUCHESNE RIVER 15 of 15 9,301 8.313 12.176 68.28% 10.893 76.32% 15.953 17.416 91.60% March 31st 13.492 61.62%

YAMPA/WHITE RIVER 20 of 21 9,153 13.430 19.638 68.39% 19.270 69.69% 21.875 24.528 89.18% April 4th 20.167 66.59%

UPPER GREEN RIVER 25 of 26 8,946 11.556 13.703 84.33% 12.842 89.99% 16.400 16.180 101.36% April 9th 14.148 81.68%

UPPER COLORADO RIVER HEADWATERS 20 of 20 10,195 14.115 16.209 87.08% 16.794 84.05% 18.620 19.312 96.42% April 12th 16.217 87.04%

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