Upper Colorado Snowpack Database

Lake Powell, Vail, Steamboat Springs, Crested Butte

Colorado Snow

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ENTIRE UPPER COLORADO RIVER BASIN
As of: 2024-05-01
Day #213 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

138 of 141 9,630 10.178 12.524 81.26% 11.650 87.36% 19.962 20.727 96.31% April 4th 15.580 65.32%

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 0.467 2.716 17.18% 0.533 87.51% 15.333 17.168 89.31% March 14th 10.750 4.34%

GUNNISON RIVER 16 of 16 10,320 8.569 13.535 63.31% 12.353 69.36% 19.606 21.539 91.03% April 5th 16.621 51.55%

SAN JUAN RIVER HEADWATERS 9 of 9 10,689 10.433 15.775 66.14% 15.022 69.45% 21.333 24.530 86.97% April 5th 18.871 55.29%

DIRTY DEVIL RIVER 6 of 6 9,445 2.683 3.847 69.75% 1.625 165.13% 13.467 14.320 94.04% March 31st 9.491 28.27%

UPPER GREEN RIVER 24 of 26 8,946 8.517 11.734 72.58% 10.596 80.38% 16.504 17.236 95.76% April 9th 14.148 60.20%

DUCHESNE RIVER 15 of 15 9,301 7.973 10.041 79.41% 8.400 94.92% 18.573 18.525 100.26% March 31st 13.492 59.10%

DOLORES/SAN MIGUEL RIVER 9 of 9 10,316 8.133 10.008 81.27% 8.575 94.85% 19.411 21.442 90.53% March 31st 15.640 52.00%

PRICE-SAN RAFAEL 11 of 11 9,013 7.673 9.228 83.14% 8.243 93.08% 19.082 18.516 103.05% March 31st 13.981 54.88%

ROARING FORK RIVER 8 of 8 9,780 11.350 13.413 84.62% 12.475 90.98% 22.475 22.738 98.84% April 4th 16.685 68.03%

ANIMAS RIVER 8 of 9 10,439 11.850 14.001 84.64% 14.044 84.38% 21.788 24.467 89.05% April 4th 17.615 67.27%

YAMPA/WHITE RIVER 21 of 21 9,153 15.967 17.847 89.46% 17.355 92.00% 26.924 26.291 102.41% April 4th 20.167 79.17%

UPPER COLORADO RIVER HEADWATERS 20 of 20 10,195 15.895 15.329 103.69% 15.865 100.19% 21.685 20.946 103.53% April 12th 16.217 98.01%

ESCALANTE RIVER 4 of 4 9,877 7.375 5.248 140.52% 2.867 257.26% 15.750 14.807 106.37% April 3rd 10.582 69.69%

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