Upper Colorado Snowpack Database

Lake Powell, Vail, Steamboat Springs, Crested Butte

Colorado Snow

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ENTIRE UPPER COLORADO RIVER BASIN
As of: 2026-06-18
Day #261 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

131 of 141 9,630 0.021 0.936 2.20% 0.202 10.18% 18.396 24.064 76.44% April 4th 15.580 0.13%

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 3 of 6 8,976 0.067 0.000 % 0.000 % 16.000 19.556 81.82% March 14th 10.750 0.62%

ESCALANTE RIVER 3 of 4 9,877 0.000 0.000 * % 0.000 % 13.625 17.051 79.91% April 3rd 10.582 0.00%

DIRTY DEVIL RIVER 4 of 6 9,445 0.000 0.002 * 0.00% 0.000 % 12.083 16.616 72.72% March 31st 9.491 0.00%

DOLORES/SAN MIGUEL RIVER 9 of 9 10,316 0.000 0.476 * 0.00% 0.000 % 19.467 24.367 79.89% March 31st 15.640 0.00%

ROARING FORK RIVER 8 of 8 9,780 0.000 0.706 * 0.00% 0.000 % 16.562 26.040 63.60% April 4th 16.685 0.00%

YAMPA/WHITE RIVER 21 of 21 9,153 0.005 2.181 0.22% 1.130 0.42% 22.543 30.333 74.32% April 4th 20.167 0.02%

UPPER GREEN RIVER 23 of 26 8,946 0.004 0.744 0.58% 0.008 51.81% 18.625 21.148 88.07% April 9th 14.148 0.03%

UPPER COLORADO RIVER HEADWATERS 19 of 20 10,195 0.010 1.152 0.91% 0.341 3.08% 16.379 24.530 66.77% April 12th 16.217 0.06%

GUNNISON RIVER 16 of 16 10,320 0.012 0.815 1.53% 0.000 % 17.662 24.396 72.40% April 5th 16.621 0.08%

ANIMAS RIVER 7 of 9 10,439 0.014 0.690 2.07% 0.000 % 23.914 27.466 87.07% April 4th 17.615 0.08%

SAN JUAN RIVER HEADWATERS 8 of 9 10,689 0.062 1.144 5.46% 0.133 46.89% 24.812 27.389 90.59% April 5th 18.871 0.33%

DUCHESNE RIVER 14 of 15 9,301 0.086 1.128 7.60% 0.000 % 18.362 21.878 83.93% March 31st 13.492 0.64%

PRICE-SAN RAFAEL 11 of 11 9,013 0.009 0.067 13.50% 0.000 % 15.400 21.274 72.39% March 31st 13.981 0.07%

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