Upper Colorado Snowpack Database

Lake Powell, Vail, Steamboat Springs, Crested Butte

Colorado Snow

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ENTIRE UPPER COLORADO RIVER BASIN
As of: 2025-12-15
Day #76 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

139 of 141 9,630 2.913 4.821 60.42% 4.571 63.72% 6.636 6.648 99.82% April 4th 15.580 18.70%

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

PRICE-SAN RAFAEL 11 of 11 9,013 1.800 3.764 47.82% 3.686 48.84% 5.200 5.842 89.00% March 31st 13.981 12.87%

ROARING FORK RIVER 8 of 8 9,780 2.825 5.060 55.83% 5.138 54.99% 5.188 6.956 74.58% April 4th 16.685 16.93%

ANIMAS RIVER 8 of 9 10,439 3.212 5.675 56.61% 5.244 61.26% 11.888 8.159 145.69% April 4th 17.615 18.24%

SAN JUAN RIVER HEADWATERS 9 of 9 10,689 3.511 6.114 57.43% 5.633 62.33% 12.778 8.302 153.90% April 5th 18.871 18.61%

UPPER COLORADO RIVER HEADWATERS 20 of 20 10,195 2.990 5.153 58.03% 5.153 58.03% 4.905 6.461 75.91% April 12th 16.217 18.44%

GUNNISON RIVER 16 of 16 10,320 2.894 4.975 58.17% 4.753 60.88% 7.012 6.782 103.40% April 5th 16.621 17.41%

DUCHESNE RIVER 15 of 15 9,301 2.427 4.130 58.75% 3.713 65.35% 5.553 6.100 91.04% March 31st 13.492 17.99%

SOUTH EASTERN UTAH 6 of 6 8,976 1.633 2.766 59.05% 2.667 61.25% 7.117 5.769 123.37% March 14th 10.750 15.19%

YAMPA/WHITE RIVER 21 of 21 9,153 3.952 6.116 64.63% 5.865 67.39% 7.281 8.213 88.65% April 4th 20.167 19.60%

DIRTY DEVIL RIVER 6 of 6 9,445 1.733 2.627 65.97% 2.450 70.75% 4.933 4.709 104.77% March 31st 9.491 18.26%

DOLORES/SAN MIGUEL RIVER 9 of 9 10,316 3.167 4.744 66.76% 4.600 68.84% 8.289 6.945 119.35% March 31st 15.640 20.25%

UPPER GREEN RIVER 25 of 26 8,946 3.132 4.437 70.59% 4.092 76.55% 5.760 5.665 101.68% April 9th 14.148 22.14%

ESCALANTE RIVER 4 of 4 9,877 2.825 3.045 92.78% 2.467 114.53% 6.100 4.838 126.09% April 3rd 10.582 26.70%

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