Upper Colorado Snowpack Database

Lake Powell, Vail, Steamboat Springs, Crested Butte

Colorado Snow




1, , , , , , , ,

ENTIRE UPPER COLORADO RIVER BASIN
As of: 2026-04-28
Day #210 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
3.068
13.140
23.35%
12.299
24.95%
16.264
20.395
79.75%
April 4th
15.580
19.69%

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
0.200
3.333
6.00%
1.267
15.79%
15.017
16.925
88.72%
March 14th
10.750
1.86%
PRICE-SAN RAFAEL
11 of 11
9,013
0.764
10.038
7.61%
9.029
8.46%
13.882
18.244
76.09%
March 31st
13.981
5.46%
DIRTY DEVIL RIVER
6 of 6
9,445
0.533
4.602
11.59%
2.850
18.71%
11.317
14.088
80.33%
March 31st
9.491
5.62%
ESCALANTE RIVER
4 of 4
9,877
0.800
6.154
13.00%
4.633
17.27%
12.700
14.612
86.92%
April 3rd
10.582
7.56%
GUNNISON RIVER
16 of 16
10,320
2.188
14.253
15.35%
12.920
16.93%
16.456
21.220
77.55%
April 5th
16.621
13.16%
ROARING FORK RIVER
8 of 8
9,780
2.438
14.191
17.18%
13.112
18.59%
15.138
22.357
67.71%
April 4th
16.685
14.61%
SAN JUAN RIVER HEADWATERS
8 of 9
10,689
2.938
16.401
17.91%
15.722
18.68%
23.250
24.224
95.98%
April 5th
18.871
15.57%
ANIMAS RIVER
7 of 9
10,439
2.814
14.691
19.16%
14.767
19.06%
22.829
24.138
94.57%
April 4th
17.615
15.98%
DOLORES/SAN MIGUEL RIVER
9 of 9
10,316
2.356
10.783
21.85%
9.975
23.62%
18.367
21.144
86.87%
March 31st
15.640
15.06%
UPPER COLORADO RIVER HEADWATERS
20 of 20
10,195
3.780
15.737
24.02%
16.294
23.20%
13.810
20.543
67.23%
April 12th
16.217
23.31%
YAMPA/WHITE RIVER
21 of 21
9,153
4.457
18.491
24.10%
17.720
25.15%
19.519
25.844
75.53%
April 4th
20.167
22.10%
DUCHESNE RIVER
15 of 15
9,301
2.807
10.613
26.45%
9.027
31.09%
15.567
18.211
85.48%
March 31st
13.492
20.80%
UPPER GREEN RIVER
22 of 26
8,946
5.096
12.268
41.54%
11.288
45.14%
15.768
16.950
93.03%
April 9th
14.148
36.02%

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