Upper Colorado Snowpack Database

Lake Powell, Vail, Steamboat Springs, Crested Butte

Colorado Snow

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ENTIRE UPPER COLORADO RIVER BASIN
As of: 2024-12-03
Day #64 of Water Year 2025
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

136 of 141 9,630 3.854 3.621 106.44% 3.438 112.11% 5.731 5.473 104.71% April 4th 15.580 24.74%

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

UPPER GREEN RIVER 25 of 26 8,946 2.328 3.364 69.21% 3.062 76.02% 3.692 4.678 78.92% April 9th 14.148 16.45%

DUCHESNE RIVER 15 of 15 9,301 2.467 3.074 80.24% 2.833 87.06% 4.500 5.049 89.13% March 31st 13.492 18.28%

ESCALANTE RIVER 3 of 4 9,877 2.100 2.494 84.19% 1.767 118.87% 3.925 4.247 92.42% April 3rd 10.582 19.85%

YAMPA/WHITE RIVER 19 of 21 9,153 4.184 4.580 91.36% 4.475 93.50% 6.410 6.695 95.75% April 4th 20.167 20.75%

DIRTY DEVIL RIVER 6 of 6 9,445 2.083 2.038 102.22% 1.900 109.65% 3.933 4.057 96.96% March 31st 9.491 21.95%

PRICE-SAN RAFAEL 11 of 11 9,013 2.782 2.650 104.96% 2.514 110.64% 5.591 4.843 115.45% March 31st 13.981 19.90%

UPPER COLORADO RIVER HEADWATERS 20 of 20 10,195 4.520 3.928 115.08% 4.041 111.85% 5.680 5.271 107.76% April 12th 16.217 27.87%

SAN JUAN RIVER HEADWATERS 9 of 9 10,689 5.911 4.713 125.43% 4.400 134.34% 8.122 6.834 118.85% April 5th 18.871 31.32%

SOUTH EASTERN UTAH 6 of 6 8,976 2.417 1.925 125.54% 1.767 136.79% 4.717 4.828 97.70% March 14th 10.750 22.48%

DOLORES/SAN MIGUEL RIVER 9 of 9 10,316 4.700 3.509 133.95% 3.362 139.78% 7.956 5.729 138.86% March 31st 15.640 30.05%

GUNNISON RIVER 16 of 16 10,320 5.138 3.748 137.09% 3.547 144.85% 6.850 5.569 123.01% April 5th 16.621 30.91%

ROARING FORK RIVER 8 of 8 9,780 5.338 3.796 140.61% 3.762 141.86% 6.438 5.721 112.53% April 4th 16.685 31.99%

ANIMAS RIVER 8 of 9 10,439 6.600 4.310 153.13% 4.100 160.98% 9.262 6.783 136.56% April 4th 17.615 37.47%

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