Upper Colorado Snowpack Database

Lake Powell, Vail, Steamboat Springs, Crested Butte

Colorado Snow

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ENTIRE UPPER COLORADO RIVER BASIN
As of: 2026-05-04
Day #216 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

131 of 141 9,630 2.705 11.933 22.67% 10.952 24.70% 16.563 21.012 78.83% April 4th 15.580 17.36%

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

DIRTY DEVIL RIVER 5 of 6 9,445 0.000 3.203 * 0.00% 0.650 0.00% 9.780 14.539 67.27% March 31st 9.491 0.00%

ESCALANTE RIVER 3 of 4 9,877 0.033 4.491 0.74% 1.500 2.22% 9.700 15.012 64.62% April 3rd 10.582 0.31%

PRICE-SAN RAFAEL 11 of 11 9,013 0.073 8.355 0.87% 7.586 0.96% 13.946 18.755 74.36% March 31st 13.981 0.52%

SOUTH EASTERN UTAH 6 of 6 8,976 0.150 2.191 6.85% 0.000 % 14.967 17.366 86.18% March 14th 10.750 1.40%

SAN JUAN RIVER HEADWATERS 9 of 9 10,689 1.900 15.230 12.48% 14.089 13.49% 23.333 24.839 93.94% April 5th 18.871 10.07%

GUNNISON RIVER 16 of 16 10,320 1.700 12.869 13.21% 11.633 14.61% 16.606 21.814 76.13% April 5th 16.621 10.23%

ANIMAS RIVER 8 of 9 10,439 1.788 13.442 13.30% 13.333 13.41% 22.975 24.815 92.58% April 4th 17.615 10.15%

ROARING FORK RIVER 8 of 8 9,780 2.025 12.714 15.93% 11.838 17.11% 15.625 23.029 67.85% April 4th 16.685 12.14%

DOLORES/SAN MIGUEL RIVER 9 of 9 10,316 2.111 9.415 22.42% 7.862 26.85% 18.511 21.745 85.13% March 31st 15.640 13.50%

DUCHESNE RIVER 14 of 15 9,301 2.229 9.458 23.56% 7.587 29.38% 15.540 18.778 82.76% March 31st 13.492 16.52%

YAMPA/WHITE RIVER 20 of 21 9,153 4.200 17.284 24.30% 16.620 25.27% 19.940 26.660 74.79% April 4th 20.167 20.83%

UPPER COLORADO RIVER HEADWATERS 19 of 20 10,195 3.868 14.950 25.88% 15.459 25.02% 14.410 21.260 67.78% April 12th 16.217 23.85%

UPPER GREEN RIVER 21 of 26 8,946 4.829 11.097 43.51% 9.862 48.96% 15.996 17.484 91.49% April 9th 14.148 34.13%

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