Upper Colorado Snowpack Database

Lake Powell, Vail, Steamboat Springs, Crested Butte

Colorado Snow

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ENTIRE UPPER COLORADO RIVER BASIN
As of: 2026-09-19
Day #354 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 0.064 0.008 821.79% 0.000 % 25.401 29.650 85.67% April 4th 15.580 0.41%

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 3 of 6 8,976 0.133 0.000 % 0.000 % 22.633 26.033 86.94% March 14th 10.750 1.24%

DIRTY DEVIL RIVER 5 of 6 9,445 0.000 0.000 * % 0.000 % 19.800 22.187 89.24% March 31st 9.491 0.00%

ESCALANTE RIVER 4 of 4 9,877 0.025 0.000 % 0.000 % 23.067 23.225 99.32% April 3rd 10.582 0.24%

DOLORES/SAN MIGUEL RIVER 9 of 9 10,316 0.011 0.003 370.00% 0.000 % 29.167 31.865 91.53% March 31st 15.640 0.07%

UPPER GREEN RIVER 22 of 26 8,946 0.036 0.007 512.68% 0.000 % 25.729 25.523 100.81% April 9th 14.148 0.26%

SAN JUAN RIVER HEADWATERS 9 of 9 10,689 0.044 0.008 528.57% 0.000 % 33.922 35.380 95.88% April 5th 18.871 0.24%

ROARING FORK RIVER 8 of 8 9,780 0.050 0.008 617.28% 0.000 % 21.288 31.609 67.35% April 4th 16.685 0.30%

ANIMAS RIVER 8 of 9 10,439 0.038 0.006 669.64% 0.000 % 35.138 35.496 98.99% April 4th 17.615 0.21%

YAMPA/WHITE RIVER 20 of 21 9,153 0.095 0.014 688.41% 0.000 % 27.230 34.761 78.34% April 4th 20.167 0.47%

UPPER COLORADO RIVER HEADWATERS 20 of 20 10,195 0.080 0.010 761.90% 0.000 % 21.716 29.778 72.92% April 12th 16.217 0.49%

DUCHESNE RIVER 13 of 15 9,301 0.138 0.009 1,538.89% 0.000 % 27.086 27.528 98.39% March 31st 13.492 1.03%

GUNNISON RIVER 16 of 16 10,320 0.119 0.005 2,582.61% 0.000 % 24.206 30.442 79.52% April 5th 16.621 0.71%

PRICE-SAN RAFAEL 10 of 11 9,013 0.060 0.000 15,000.00% 0.000 % 22.850 26.038 87.76% March 31st 13.981 0.43%

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