Upper Colorado Snowpack Database

Lake Powell, Vail, Steamboat Springs, Crested Butte

Colorado Snow

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Upper Green River Basin SWE and TP Averages are from the 30 year average calculated from data between 10/01/1990 and 09/30/2020

UPPER GREEN RIVER BASIN
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 25 of 26 0.416 0.309 134.76% 0.100 416.00% 2.161 1.097 197.05%
2025-10-16 25 of 26 0.156 0.274 56.91% 0.068 228.74% 1.739 1.004 173.27%
2025-10-15 25 of 26 0.172 0.262 65.60% 0.041 420.54% 1.648 0.956 172.31%
2025-10-14 25 of 26 0.136 0.247 55.15% 0.041 332.52% 1.383 0.892 154.91%
2025-10-13 25 of 26 0.076 0.223 34.03% 0.045 167.03% 1.274 0.836 152.44%
2025-10-12 25 of 26 0.120 0.218 55.17% 0.050 240.00% 1.209 0.795 152.11%
2025-10-11 25 of 26 0.100 0.183 54.61% 0.009 1,098.90% 0.835 0.729 114.46%
2025-10-10 25 of 26 0.108 0.174 62.14% 0.000 % 0.739 0.672 110.06%
2025-10-09 25 of 26 0.120 0.157 76.34% 0.000 % 0.739 0.623 118.62%
2025-10-08 25 of 26 0.124 0.155 80.21% 0.000 % 0.743 0.576 129.08%
2025-10-07 25 of 26 0.144 0.138 104.12% 0.000 % 0.704 0.505 139.45%
2025-10-06 25 of 26 0.184 0.119 154.88% 0.000 % 0.700 0.426 164.44%
2025-10-05 25 of 26 0.228 0.114 199.48% 0.000 % 0.552 0.352 156.82%
2025-10-04 25 of 26 0.088 0.085 103.77% 0.000 % 0.119 0.241 49.40%
2025-10-03 25 of 26 0.068 0.043 157.04% 0.000 % 0.015 0.130 11.53%
2025-10-02 25 of 26 0.060 0.035 171.43% 0.000 % 0.005 0.050 10.61%
2025-10-01 25 of 26 0.056 0.019 288.66% 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