Upper Colorado Snowpack Database

Lake Powell, Vail, Steamboat Springs, Crested Butte

Colorado Snow

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ENTIRE UPPER COLORADO RIVER BASIN
As of: 2026-05-20
Day #232 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

133 of 141 9,630 1.138 6.912 16.47% 5.536 20.56% 17.769 22.331 79.57% April 4th 15.580 7.31%

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 0.027 2.889 0.95% 0.600 4.55% 14.718 19.848 74.15% March 31st 13.981 0.20%

ANIMAS RIVER 8 of 9 10,439 0.088 7.761 1.13% 6.144 1.42% 23.675 26.040 90.92% April 4th 17.615 0.50%

ROARING FORK RIVER 8 of 8 9,780 0.100 6.746 1.48% 5.575 1.79% 16.512 24.440 67.56% April 4th 16.685 0.60%

SAN JUAN RIVER HEADWATERS 9 of 9 10,689 0.144 9.369 1.54% 7.378 1.96% 24.278 26.032 93.26% April 5th 18.871 0.77%

ESCALANTE RIVER 3 of 4 9,877 0.033 1.330 2.50% 0.000 % 13.375 15.946 83.88% April 3rd 10.582 0.31%

DIRTY DEVIL RIVER 5 of 6 9,445 0.020 0.512 3.90% 0.000 % 11.767 15.428 76.27% March 31st 9.491 0.21%

GUNNISON RIVER 16 of 16 10,320 0.412 7.155 5.76% 5.453 7.56% 17.569 23.078 76.13% April 5th 16.621 2.48%

UPPER COLORADO RIVER HEADWATERS 19 of 20 10,195 1.447 10.080 14.36% 9.912 14.60% 16.350 22.682 72.08% April 12th 16.217 8.93%

DUCHESNE RIVER 14 of 15 9,301 0.786 5.374 14.62% 3.800 20.68% 17.293 19.975 86.57% March 31st 13.492 5.82%

YAMPA/WHITE RIVER 20 of 21 9,153 2.860 11.146 25.66% 9.965 28.70% 21.963 28.305 77.59% April 4th 20.167 14.18%

DOLORES/SAN MIGUEL RIVER 9 of 9 10,316 1.289 4.815 26.77% 2.838 45.42% 19.367 23.044 84.04% March 31st 15.640 8.24%

UPPER GREEN RIVER 23 of 26 8,946 1.796 6.199 28.97% 4.850 37.02% 17.016 18.875 90.15% April 9th 14.148 12.69%

SOUTH EASTERN UTAH 6 of 6 8,976 0.083 0.266 31.30% 0.000 % 15.917 18.326 86.85% March 14th 10.750 0.77%

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