Upper Colorado Snowpack Database

Lake Powell, Vail, Steamboat Springs, Crested Butte

Colorado Snow

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ENTIRE UPPER COLORADO RIVER BASIN
As of: 2025-10-18
Day #18 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 0.204 0.308 66.27% 0.077 266.71% 3.124 1.367 228.60% April 4th 15.580 1.31%

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

DOLORES/SAN MIGUEL RIVER 9 of 9 10,316 0.033 0.214 15.57% 0.000 % 4.456 1.506 295.76% March 31st 15.640 0.21%

UPPER COLORADO RIVER HEADWATERS 20 of 20 10,195 0.095 0.387 24.55% 0.200 47.50% 1.135 1.242 91.41% April 12th 16.217 0.59%

DIRTY DEVIL RIVER 6 of 6 9,445 0.033 0.122 27.23% 0.000 % 2.400 1.098 218.54% March 31st 9.491 0.35%

ROARING FORK RIVER 8 of 8 9,780 0.088 0.318 27.52% 0.062 140.00% 1.825 1.350 135.19% April 4th 16.685 0.52%

GUNNISON RIVER 16 of 16 10,320 0.088 0.316 27.72% 0.027 327.72% 3.650 1.410 258.87% April 5th 16.621 0.53%

SOUTH EASTERN UTAH 6 of 6 8,976 0.050 0.149 33.53% 0.000 % 3.767 1.383 272.36% March 14th 10.750 0.47%

YAMPA/WHITE RIVER 21 of 21 9,153 0.129 0.353 36.45% 0.120 107.17% 2.371 1.546 153.44% April 4th 20.167 0.64%

ESCALANTE RIVER 4 of 4 9,877 0.075 0.146 51.19% 0.000 % 2.575 1.217 211.52% April 3rd 10.582 0.71%

SAN JUAN RIVER HEADWATERS 9 of 9 10,689 0.244 0.464 52.67% 0.011 2,201.80% 9.078 1.753 517.90% April 5th 18.871 1.30%

ANIMAS RIVER 8 of 9 10,439 0.262 0.386 67.92% 0.000 % 8.125 1.804 450.36% April 4th 17.615 1.49%

UPPER GREEN RIVER 25 of 26 8,946 0.392 0.333 117.61% 0.114 345.07% 2.222 1.158 191.89% April 9th 14.148 2.77%

PRICE-SAN RAFAEL 10 of 11 9,013 0.230 0.115 199.65% 0.000 % 2.673 1.234 216.52% March 31st 13.981 1.65%

DUCHESNE RIVER 15 of 15 9,301 0.567 0.262 216.55% 0.027 2,122.47% 2.960 1.346 219.99% March 31st 13.492 4.20%

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