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
135 of 141
9,630
3.000
12.708
23.61%
11.832
25.35%
16.495
20.614
80.02%
April 4th
15.580
19.26%

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
PRICE-SAN RAFAEL
11 of 11
9,013
0.291
9.485
3.07%
8.429
3.45%
13.873
18.424
75.30%
March 31st
13.981
2.08%
SOUTH EASTERN UTAH
6 of 6
8,976
0.100
2.882
3.47%
0.767
13.04%
15.017
17.086
87.89%
March 14th
10.750
0.93%
DIRTY DEVIL RIVER
6 of 6
9,445
0.517
4.053
12.75%
2.150
24.03%
11.333
14.237
79.60%
March 31st
9.491
5.44%
ESCALANTE RIVER
4 of 4
9,877
0.800
5.499
14.55%
3.500
22.86%
13.500
14.739
91.59%
April 3rd
10.582
7.56%
GUNNISON RIVER
16 of 16
10,320
2.013
13.752
14.63%
12.373
16.26%
16.525
21.431
77.11%
April 5th
16.621
12.11%
SAN JUAN RIVER HEADWATERS
8 of 9
10,689
2.412
15.998
15.08%
15.333
15.73%
23.300
24.408
95.46%
April 5th
18.871
12.78%
ANIMAS RIVER
7 of 9
10,439
2.371
14.242
16.65%
14.411
16.46%
22.843
24.366
93.75%
April 4th
17.615
13.46%
ROARING FORK RIVER
8 of 8
9,780
2.412
13.670
17.65%
12.625
19.11%
15.400
22.619
68.08%
April 4th
16.685
14.46%
DOLORES/SAN MIGUEL RIVER
9 of 9
10,316
2.133
10.243
20.83%
8.938
23.87%
18.378
21.339
86.12%
March 31st
15.640
13.64%
YAMPA/WHITE RIVER
21 of 21
9,153
4.510
18.011
25.04%
17.515
25.75%
19.790
26.122
75.76%
April 4th
20.167
22.36%
DUCHESNE RIVER
15 of 15
9,301
2.680
10.225
26.21%
8.607
31.14%
15.560
18.438
84.39%
March 31st
13.492
19.86%
UPPER COLORADO RIVER HEADWATERS
20 of 20
10,195
4.055
15.446
26.25%
15.971
25.39%
14.200
20.805
68.25%
April 12th
16.217
25.00%
UPPER GREEN RIVER
22 of 26
8,946
5.100
11.884
42.91%
10.704
47.64%
15.992
17.144
93.28%
April 9th
14.148
36.05%

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