Upper Colorado Snowpack Database

Lake Powell, Vail, Steamboat Springs, Crested Butte

Colorado Snow

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ENTIRE UPPER COLORADO RIVER BASIN
As of: 2024-05-15
Day #227 of Water Year 2024
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

121 of 141 9,630 8.932 8.596 103.91% 7.222 123.68% 21.501 21.963 97.89% April 4th 15.580 57.33%

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 4 of 6 8,976 0.025 0.625 4.00% 0.000 % 16.350 18.014 90.76% March 14th 10.750 0.23%

SAN JUAN RIVER HEADWATERS 8 of 9 10,689 5.475 11.394 48.05% 9.144 59.87% 21.438 25.622 83.67% April 5th 18.871 29.01%

ANIMAS RIVER 8 of 9 10,439 7.612 9.633 79.03% 8.056 94.50% 23.025 25.641 89.80% April 4th 17.615 43.22%

GUNNISON RIVER 16 of 16 10,320 7.244 9.051 80.04% 7.460 97.10% 21.662 22.744 95.24% April 5th 16.621 43.58%

DOLORES/SAN MIGUEL RIVER 8 of 9 10,316 5.288 6.101 86.66% 3.900 135.58% 20.444 22.643 90.29% March 31st 15.640 33.81%

ESCALANTE RIVER 3 of 4 9,877 1.800 2.052 87.73% 0.000 % 16.350 15.644 104.51% April 3rd 10.582 17.01%

DUCHESNE RIVER 12 of 15 9,301 6.933 6.647 104.31% 5.067 136.84% 19.913 19.646 101.36% March 31st 13.492 51.39%

YAMPA/WHITE RIVER 20 of 21 9,153 14.335 13.346 107.41% 12.385 115.74% 28.971 27.880 103.91% April 4th 20.167 71.08%

ROARING FORK RIVER 7 of 8 9,780 9.786 8.807 111.12% 7.175 136.39% 25.014 24.121 103.70% April 4th 16.685 58.65%

PRICE-SAN RAFAEL 9 of 11 9,013 5.389 4.602 117.10% 2.471 218.05% 19.982 19.556 102.18% March 31st 13.981 38.54%

DIRTY DEVIL RIVER 3 of 6 9,445 1.400 1.130 123.88% 0.000 % 14.250 15.182 93.86% March 31st 9.491 14.75%

UPPER GREEN RIVER 18 of 26 8,946 9.817 7.874 124.68% 6.517 150.64% 18.500 18.498 100.01% April 9th 14.148 69.39%

UPPER COLORADO RIVER HEADWATERS 20 of 20 10,195 15.055 11.956 125.92% 12.212 123.28% 23.400 22.268 105.09% April 12th 16.217 92.83%

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