Upper Colorado Snowpack Database

Lake Powell, Vail, Steamboat Springs, Crested Butte

Colorado Snow

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ENTIRE UPPER COLORADO RIVER BASIN
As of: 2026-05-19
Day #231 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

133 of 141 9,630 1.180 7.229 16.32% 5.896 20.01% 17.704 22.246 79.59% April 4th 15.580 7.57%

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 0.605 * 0.00% 0.000 % 11.767 15.376 76.53% March 31st 9.491 0.00%

ANIMAS RIVER 8 of 9 10,439 0.112 8.093 1.39% 6.611 1.70% 23.650 25.945 91.15% April 4th 17.615 0.64%

SAN JUAN RIVER HEADWATERS 9 of 9 10,689 0.189 9.788 1.93% 7.856 2.40% 24.211 25.942 93.33% April 5th 18.871 1.00%

ROARING FORK RIVER 8 of 8 9,780 0.212 7.100 2.99% 5.812 3.66% 16.488 24.357 67.69% April 4th 16.685 1.27%

PRICE-SAN RAFAEL 11 of 11 9,013 0.100 3.190 3.14% 0.986 10.15% 14.709 19.789 74.33% March 31st 13.981 0.72%

ESCALANTE RIVER 3 of 4 9,877 0.067 1.398 4.77% 0.000 % 13.300 15.867 83.82% April 3rd 10.582 0.63%

GUNNISON RIVER 16 of 16 10,320 0.531 7.499 7.08% 5.913 8.98% 17.531 23.007 76.20% April 5th 16.621 3.20%

UPPER COLORADO RIVER HEADWATERS 19 of 20 10,195 1.426 10.450 13.65% 10.300 13.85% 16.255 22.585 71.97% April 12th 16.217 8.80%

DUCHESNE RIVER 15 of 15 9,301 0.813 5.609 14.50% 4.180 19.46% 17.047 19.888 85.71% March 31st 13.492 6.03%

YAMPA/WHITE RIVER 19 of 21 9,153 2.926 11.570 25.29% 10.410 28.11% 21.953 28.195 77.86% April 4th 20.167 14.51%

DOLORES/SAN MIGUEL RIVER 9 of 9 10,316 1.311 5.038 26.02% 2.975 44.07% 19.333 22.964 84.19% March 31st 15.640 8.38%

UPPER GREEN RIVER 23 of 26 8,946 1.948 6.527 29.84% 5.192 37.52% 16.996 18.794 90.43% April 9th 14.148 13.77%

SOUTH EASTERN UTAH 6 of 6 8,976 0.283 0.327 86.69% 0.000 % 15.900 18.254 87.10% March 14th 10.750 2.64%

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