Upper Colorado Snowpack Database

Lake Powell, Vail, Steamboat Springs, Crested Butte

Colorado Snow

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ENTIRE UPPER COLORADO RIVER BASIN
As of: 2025-04-25
Day #207 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

138 of 141 9,630 8.771 13.708 63.99% 12.941 67.78% 17.416 20.057 86.83% April 4th 15.580 56.30%

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 6 of 6 8,976 0.000 4.254 * 0.00% 2.667 0.00% 10.767 16.679 64.55% March 14th 10.750 0.00%

ESCALANTE RIVER 4 of 4 9,877 0.350 6.955 5.03% 5.867 5.97% 9.825 14.339 68.52% April 3rd 10.582 3.31%

DIRTY DEVIL RIVER 6 of 6 9,445 0.700 5.414 12.93% 3.700 18.92% 10.800 13.773 78.42% March 31st 9.491 7.38%

SAN JUAN RIVER HEADWATERS 9 of 9 10,689 5.844 16.937 34.51% 15.811 36.96% 16.789 23.949 70.10% April 5th 18.871 30.97%

GUNNISON RIVER 16 of 16 10,320 7.519 14.863 50.59% 13.533 55.56% 16.625 20.872 79.65% April 5th 16.621 45.24%

PRICE-SAN RAFAEL 11 of 11 9,013 5.646 10.803 52.26% 10.129 55.74% 17.100 17.877 95.65% March 31st 13.981 40.38%

DOLORES/SAN MIGUEL RIVER 8 of 9 10,316 6.362 11.651 54.61% 10.962 58.04% 18.300 20.784 88.05% March 31st 15.640 40.68%

ANIMAS RIVER 8 of 9 10,439 8.675 15.296 56.71% 14.856 58.40% 19.825 23.812 83.25% April 4th 17.615 49.25%

DUCHESNE RIVER 15 of 15 9,301 6.760 11.200 60.36% 9.780 69.12% 16.127 17.915 90.02% March 31st 13.492 50.10%

ROARING FORK RIVER 8 of 8 9,780 9.025 14.736 61.25% 13.775 65.52% 17.775 21.954 80.97% April 4th 16.685 54.09%

YAMPA/WHITE RIVER 21 of 21 9,153 13.495 18.979 71.11% 18.560 72.71% 23.048 25.404 90.73% April 4th 20.167 66.92%

UPPER COLORADO RIVER HEADWATERS 20 of 20 10,195 13.600 16.004 84.98% 16.712 81.38% 18.735 20.157 92.94% April 12th 16.217 83.86%

UPPER GREEN RIVER 25 of 26 8,946 10.972 12.841 85.44% 11.854 92.56% 17.012 16.675 102.02% April 9th 14.148 77.55%

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