Upper Colorado Snowpack Database

Lake Powell, Vail, Steamboat Springs, Crested Butte

Colorado Snow

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ENTIRE UPPER COLORADO RIVER BASIN
As of: 2025-12-08
Day #69 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 2.803 4.071 68.85% 3.829 73.19% 6.476 5.921 109.36% April 4th 15.580 17.99%

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 1.854 3.068 60.45% 2.957 62.71% 5.182 5.214 99.38% March 31st 13.981 13.26%

UPPER COLORADO RIVER HEADWATERS 20 of 20 10,195 2.785 4.381 63.57% 4.347 64.07% 4.640 5.722 81.09% April 12th 16.217 17.17%

ROARING FORK RIVER 8 of 8 9,780 2.738 4.271 64.09% 4.275 64.04% 5.025 6.197 81.09% April 4th 16.685 16.41%

SAN JUAN RIVER HEADWATERS 9 of 9 10,689 3.456 5.230 66.08% 4.711 73.35% 12.711 7.407 171.61% April 5th 18.871 18.31%

ANIMAS RIVER 8 of 9 10,439 3.225 4.811 67.04% 4.411 73.11% 11.825 7.304 161.90% April 4th 17.615 18.31%

GUNNISON RIVER 16 of 16 10,320 2.831 4.211 67.24% 3.933 71.98% 6.925 6.036 114.74% April 5th 16.621 17.03%

SOUTH EASTERN UTAH 6 of 6 8,976 1.517 2.231 67.98% 2.133 71.10% 7.067 5.183 136.34% March 14th 10.750 14.11%

DUCHESNE RIVER 15 of 15 9,301 2.453 3.462 70.86% 3.200 76.67% 5.540 5.442 101.81% March 31st 13.492 18.18%

YAMPA/WHITE RIVER 21 of 21 9,153 3.690 5.160 71.52% 5.010 73.66% 6.943 7.273 95.46% April 4th 20.167 18.30%

DIRTY DEVIL RIVER 6 of 6 9,445 1.650 2.271 72.66% 2.050 80.49% 4.933 4.307 114.54% March 31st 9.491 17.38%

UPPER GREEN RIVER 25 of 26 8,946 2.928 3.769 77.68% 3.383 86.54% 5.520 5.059 109.12% April 9th 14.148 20.70%

DOLORES/SAN MIGUEL RIVER 9 of 9 10,316 3.133 3.976 78.80% 3.800 82.46% 8.178 6.178 132.36% March 31st 15.640 20.03%

ESCALANTE RIVER 4 of 4 9,877 2.700 2.723 99.16% 2.100 128.57% 6.100 4.480 136.15% April 3rd 10.582 25.52%

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