Upper Colorado Snowpack Database

Lake Powell, Vail, Steamboat Springs, Crested Butte

Colorado Snow




1, , , , , , , ,

ENTIRE UPPER COLORADO RIVER BASIN
As of: 2026-04-30
Day #212 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
6 of 141
9,630
0.133
12.708
1.05%
11.832
1.13%
11.933
20.614
57.89%
April 4th
15.580
0.86%

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
DIRTY DEVIL RIVER
0 of 6
9,445
4.053
%
2.150
%
14.237
%
March 31st
9.491
%
DOLORES/SAN MIGUEL RIVER
0 of 9
10,316
10.243
%
8.938
%
21.339
%
March 31st
15.640
%
ESCALANTE RIVER
0 of 4
9,877
5.499
%
3.500
%
14.739
%
April 3rd
10.582
%
ANIMAS RIVER
0 of 9
10,439
14.242
%
14.411
%
24.366
%
April 4th
17.615
%
ROARING FORK RIVER
0 of 8
9,780
13.670
%
12.625
%
22.619
%
April 4th
16.685
%
YAMPA/WHITE RIVER
0 of 21
9,153
18.011
%
17.515
%
26.122
%
April 4th
20.167
%
UPPER GREEN RIVER
0 of 26
8,946
11.884
%
10.704
%
17.144
%
April 9th
14.148
%
UPPER COLORADO RIVER HEADWATERS
0 of 20
10,195
15.446
%
15.971
%
20.805
%
April 12th
16.217
%
DUCHESNE RIVER
1 of 15
9,301
0.000
10.225 *
0.00%
8.607
0.00%
16.000
18.438
86.78%
March 31st
13.492
0.00%
GUNNISON RIVER
1 of 16
10,320
0.000
13.752 *
0.00%
12.373
0.00%
6.000
21.431
28.00%
April 5th
16.621
0.00%
SAN JUAN RIVER HEADWATERS
1 of 9
10,689
0.000
15.998 *
0.00%
15.333
0.00%
10.600
24.408
43.43%
April 5th
18.871
0.00%
PRICE-SAN RAFAEL
2 of 11
9,013
0.150
9.485
1.58%
8.429
1.78%
13.350
18.424
72.46%
March 31st
13.981
1.07%
SOUTH EASTERN UTAH
1 of 6
8,976
0.500
2.882
17.35%
0.767
65.21%
12.300
17.086
71.99%
March 14th
10.750
4.65%

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