Upper Colorado Snowpack Database

Lake Powell, Vail, Steamboat Springs, Crested Butte

Colorado Snow

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ENTIRE UPPER COLORADO RIVER BASIN
As of: 2026-05-23
Day #235 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

132 of 141 9,630 1.027 6.030 17.04% 4.526 22.70% 17.888 22.586 79.20% April 4th 15.580 6.59%

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 0.009 2.112 0.43% 0.086 10.62% 14.691 20.044 73.29% March 31st 13.981 0.07%

SAN JUAN RIVER HEADWATERS 8 of 9 10,689 0.062 8.262 0.76% 6.211 1.01% 24.488 26.304 93.10% April 5th 18.871 0.33%

ANIMAS RIVER 7 of 9 10,439 0.057 6.749 0.85% 4.433 1.29% 23.800 26.312 90.45% April 4th 17.615 0.32%

ROARING FORK RIVER 8 of 8 9,780 0.062 5.766 1.08% 4.250 1.47% 16.475 24.669 66.78% April 4th 16.685 0.37%

ESCALANTE RIVER 3 of 4 9,877 0.033 1.059 3.15% 0.000 % 13.450 16.126 83.40% April 3rd 10.582 0.31%

DIRTY DEVIL RIVER 5 of 6 9,445 0.020 0.379 5.28% 0.000 % 11.833 15.605 75.83% March 31st 9.491 0.21%

GUNNISON RIVER 16 of 16 10,320 0.381 6.165 6.18% 4.047 9.42% 17.606 23.272 75.65% April 5th 16.621 2.29%

DUCHESNE RIVER 14 of 15 9,301 0.464 4.781 9.71% 3.187 14.57% 17.300 20.251 85.43% March 31st 13.492 3.44%

UPPER COLORADO RIVER HEADWATERS 19 of 20 10,195 1.237 9.001 13.74% 8.618 14.35% 16.520 22.942 72.01% April 12th 16.217 7.63%

YAMPA/WHITE RIVER 20 of 21 9,153 2.705 9.912 27.29% 8.620 31.38% 22.305 28.569 78.07% April 4th 20.167 13.41%

DOLORES/SAN MIGUEL RIVER 9 of 9 10,316 1.200 4.175 28.74% 2.225 53.93% 19.344 23.285 83.08% March 31st 15.640 7.67%

UPPER GREEN RIVER 23 of 26 8,946 1.652 5.359 30.83% 3.929 42.05% 17.292 19.195 90.08% April 9th 14.148 11.68%

SOUTH EASTERN UTAH 6 of 6 8,976 0.083 0.144 57.93% 0.000 % 15.883 18.513 85.79% 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