Upper Colorado Snowpack Database

Lake Powell, Vail, Steamboat Springs, Crested Butte

Colorado Snow

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ENTIRE UPPER COLORADO RIVER BASIN
As of: 2026-09-09
Day #344 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

134 of 141 9,630 0.031 0.011 288.68% 0.000 % 23.790 28.845 82.47% April 4th 15.580 0.20%

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 0.000 * % 0.000 % 19.367 21.431 90.37% March 31st 9.491 0.00%

PRICE-SAN RAFAEL 11 of 11 9,013 0.000 0.000 * % 0.000 % 21.773 25.250 86.23% March 31st 13.981 0.00%

ESCALANTE RIVER 4 of 4 9,877 0.050 0.000 % 0.000 % 22.000 22.384 98.28% April 3rd 10.582 0.47%

DOLORES/SAN MIGUEL RIVER 9 of 9 10,316 0.000 0.002 * 0.00% 0.000 % 26.511 30.792 86.10% March 31st 15.640 0.00%

UPPER GREEN RIVER 23 of 26 8,946 0.000 0.006 * 0.00% 0.000 % 24.642 24.882 99.03% April 9th 14.148 0.00%

GUNNISON RIVER 16 of 16 10,320 0.031 0.026 121.40% 0.000 % 21.794 29.640 73.53% April 5th 16.621 0.19%

ROARING FORK RIVER 8 of 8 9,780 0.025 0.020 123.76% 0.000 % 19.400 30.854 62.88% April 4th 16.685 0.15%

SAN JUAN RIVER HEADWATERS 9 of 9 10,689 0.056 0.016 347.50% 0.000 % 30.056 34.272 87.70% April 5th 18.871 0.29%

UPPER COLORADO RIVER HEADWATERS 20 of 20 10,195 0.060 0.016 370.37% 0.000 % 20.650 29.149 70.84% April 12th 16.217 0.37%

YAMPA/WHITE RIVER 21 of 21 9,153 0.057 0.015 388.44% 0.000 % 26.538 33.980 78.10% April 4th 20.167 0.28%

ANIMAS RIVER 8 of 9 10,439 0.025 0.005 510.20% 0.000 % 31.250 34.321 91.05% April 4th 17.615 0.14%

SOUTH EASTERN UTAH 3 of 6 8,976 0.133 0.004 3,702.78% 0.000 % 21.600 25.112 86.02% March 14th 10.750 1.24%

DUCHESNE RIVER 13 of 15 9,301 0.069 0.001 4,942.86% 0.000 % 25.253 26.670 94.69% March 31st 13.492 0.51%

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