Upper Colorado Snowpack Database

Lake Powell, Vail, Steamboat Springs, Crested Butte

Colorado Snow

, DOLORES/SANMIGUELRIVERBASINS, , , , , , ,
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Dolores/San Miguel s River Basin SWE and TP Averages are from the 30 year average calculated from data between 10/01/1990 and 09/30/2020

DOLORES/SAN MIGUEL RIVER BASINS
Daily Snowpack Summary

DATE
MEASURED STATIONS
REPORTING CURRENT
AVG SWE 30 YR
AVG SWE PCT of
30 YR AVG BASIN
MEDIAN SWE PCT of
MEDIAN SWE CURRENT
AVG TP 30 YR
AVG TP PCT of
30 YR TP AVG
2025-10-17 9 of 9 0.022 0.167 13.26% 0.000 % 4.433 1.425 311.15%
2025-10-16 9 of 9 0.000 0.159 0.00% 0.000 % 4.489 1.376 326.20%
2025-10-15 9 of 9 0.133 0.163 81.98% 0.000 % 4.444 1.346 330.07%
2025-10-14 9 of 9 0.133 0.157 84.80% 0.000 % 3.967 1.297 305.86%
2025-10-13 9 of 9 0.033 0.172 19.35% 0.000 % 2.911 1.254 232.20%
2025-10-12 9 of 9 0.078 0.181 43.03% 0.000 % 2.733 1.199 227.95%
2025-10-11 9 of 9 0.078 0.166 47.01% 0.000 % 1.356 1.106 122.60%
2025-10-10 9 of 9 0.000 0.108 0.00% 0.000 % 0.767 0.992 77.31%
2025-10-09 9 of 9 0.056 0.088 63.33% 0.000 % 0.678 0.886 76.46%
2025-10-08 9 of 9 0.044 0.100 44.22% 0.000 % 0.622 0.828 75.11%
2025-10-07 9 of 9 0.022 0.095 23.32% 0.000 % 0.600 0.710 84.55%
2025-10-06 9 of 9 0.000 0.075 0.00% 0.000 % 0.622 0.562 110.79%
2025-10-05 9 of 9 0.033 0.079 42.15% 0.000 % 0.578 0.442 130.87%
2025-10-04 9 of 9 0.056 0.092 60.63% 0.000 % 0.233 0.326 71.62%
2025-10-03 9 of 9 0.022 0.049 45.40% 0.000 % 0.025 0.187 13.35%
2025-10-02 9 of 9 0.011 0.015 75.00% 0.000 % 0.012 0.057 21.85%
2025-10-01 9 of 9 0.000 0.009 0.00% 0.000 % 0.000 0.000 100.00%

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
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