Upper Colorado Snowpack Database

Lake Powell, Vail, Steamboat Springs, Crested Butte

Colorado Snow

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ENTIRE UPPER COLORADO RIVER BASIN
As of: 2026-09-23
Day #358 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 0.064 0.037 172.12% 0.000 % 25.985 30.033 86.52% 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

DIRTY DEVIL RIVER 5 of 6 9,445 0.000 0.013 * 0.00% 0.000 % 19.950 22.485 88.73% March 31st 9.491 0.00%

PRICE-SAN RAFAEL 11 of 11 9,013 0.000 0.019 * 0.00% 0.000 % 23.782 26.399 90.09% March 31st 13.981 0.00%

DOLORES/SAN MIGUEL RIVER 9 of 9 10,316 0.033 0.040 83.67% 0.000 % 29.767 32.305 92.14% March 31st 15.640 0.21%

UPPER GREEN RIVER 23 of 26 8,946 0.030 0.030 99.67% 0.000 % 26.179 25.824 101.38% April 9th 14.148 0.21%

UPPER COLORADO RIVER HEADWATERS 20 of 20 10,195 0.085 0.060 140.50% 0.000 % 21.955 30.130 72.87% April 12th 16.217 0.52%

DUCHESNE RIVER 15 of 15 9,301 0.027 0.019 142.02% 0.000 % 27.387 27.916 98.10% March 31st 13.492 0.20%

ROARING FORK RIVER 7 of 8 9,780 0.100 0.049 202.84% 0.000 % 20.957 31.986 65.52% April 4th 16.685 0.60%

YAMPA/WHITE RIVER 21 of 21 9,153 0.110 0.053 205.83% 0.000 % 28.705 35.190 81.57% April 4th 20.167 0.54%

ESCALANTE RIVER 4 of 4 9,877 0.025 0.011 219.30% 0.000 % 22.725 23.533 96.57% April 3rd 10.582 0.24%

ANIMAS RIVER 8 of 9 10,439 0.075 0.033 225.23% 0.000 % 36.088 36.053 100.09% April 4th 17.615 0.43%

SAN JUAN RIVER HEADWATERS 9 of 9 10,689 0.078 0.033 234.34% 0.000 % 34.667 35.926 96.49% April 5th 18.871 0.41%

GUNNISON RIVER 15 of 16 10,320 0.193 0.037 525.27% 0.000 % 24.814 30.837 80.47% April 5th 16.621 1.16%

SOUTH EASTERN UTAH 3 of 6 8,976 0.133 0.012 1,149.14% 0.000 % 22.900 26.404 86.73% March 14th 10.750 1.24%

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