Upper Colorado Snowpack Database

Lake Powell, Vail, Steamboat Springs, Crested Butte

Colorado Snow

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ENTIRE UPPER COLORADO RIVER BASIN
As of: 2026-09-17
Day #352 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

136 of 141 9,630 0.040 0.007 567.14% 0.000 % 24.709 29.511 83.73% April 4th 15.580 0.25%

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 6 of 6 8,976 0.000 0.000 * % 0.000 % 22.317 25.928 86.07% March 14th 10.750 0.00%

ESCALANTE RIVER 4 of 4 9,877 0.000 0.000 * % 0.000 % 22.525 23.146 97.32% April 3rd 10.582 0.00%

SAN JUAN RIVER HEADWATERS 9 of 9 10,689 0.067 0.000 % 0.000 % 31.200 35.178 88.69% April 5th 18.871 0.35%

DIRTY DEVIL RIVER 6 of 6 9,445 0.000 0.003 * 0.00% 0.000 % 19.783 22.088 89.57% March 31st 9.491 0.00%

DOLORES/SAN MIGUEL RIVER 9 of 9 10,316 0.000 0.001 * 0.00% 0.000 % 28.100 31.700 88.64% March 31st 15.640 0.00%

PRICE-SAN RAFAEL 11 of 11 9,013 0.000 0.004 * 0.00% 0.000 % 22.700 25.941 87.51% March 31st 13.981 0.00%

YAMPA/WHITE RIVER 21 of 21 9,153 0.000 0.023 * 0.00% 0.000 % 27.552 34.583 79.67% April 4th 20.167 0.00%

UPPER GREEN RIVER 23 of 26 8,946 0.004 0.008 52.44% 0.000 % 24.988 25.410 98.34% April 9th 14.148 0.03%

DUCHESNE RIVER 13 of 15 9,301 0.108 0.012 875.61% 0.000 % 26.100 27.403 95.25% March 31st 13.492 0.80%

UPPER COLORADO RIVER HEADWATERS 20 of 20 10,195 0.055 0.004 1,279.07% 0.000 % 21.395 29.659 72.14% April 12th 16.217 0.34%

ANIMAS RIVER 8 of 9 10,439 0.025 0.001 3,125.00% 0.000 % 32.912 35.332 93.15% April 4th 17.615 0.14%

GUNNISON RIVER 16 of 16 10,320 0.100 0.002 5,882.35% 0.000 % 23.344 30.304 77.03% April 5th 16.621 0.60%

ROARING FORK RIVER 8 of 8 9,780 0.050 0.000 12,500.00% 0.000 % 20.938 31.449 66.58% April 4th 16.685 0.30%

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