Upper Colorado Snowpack Database

Lake Powell, Vail, Steamboat Springs, Crested Butte

Colorado Snow




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ENTIRE UPPER COLORADO RIVER BASIN
As of: 2026-05-01
Day #213 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
140 of 141
9,630
2.868
12.524
22.90%
11.650
24.62%
16.491
20.727
79.56%
April 4th
15.580
18.41%

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
0.000
2.716 *
0.00%
0.533
0.00%
15.033
17.168
87.57%
March 14th
10.750
0.00%
PRICE-SAN RAFAEL
11 of 11
9,013
0.154
9.228
1.67%
8.243
1.87%
13.909
18.516
75.12%
March 31st
13.981
1.11%
DIRTY DEVIL RIVER
6 of 6
9,445
0.233
3.847
6.06%
1.625
14.36%
11.350
14.320
79.26%
March 31st
9.491
2.46%
ESCALANTE RIVER
4 of 4
9,877
0.350
5.248
6.67%
2.867
12.21%
12.775
14.807
86.28%
April 3rd
10.582
3.31%
SAN JUAN RIVER HEADWATERS
9 of 9
10,689
2.033
15.775
12.89%
15.022
13.54%
23.111
24.530
94.21%
April 5th
18.871
10.77%
ANIMAS RIVER
8 of 9
10,439
1.938
14.001
13.84%
14.044
13.80%
22.750
24.467
92.98%
April 4th
17.615
11.00%
GUNNISON RIVER
16 of 16
10,320
1.906
13.535
14.08%
12.353
15.43%
16.550
21.539
76.84%
April 5th
16.621
11.47%
ROARING FORK RIVER
8 of 8
9,780
2.412
13.413
17.99%
12.475
19.34%
15.600
22.738
68.61%
April 4th
16.685
14.46%
DOLORES/SAN MIGUEL RIVER
9 of 9
10,316
2.133
10.008
21.32%
8.575
24.88%
18.378
21.442
85.71%
March 31st
15.640
13.64%
YAMPA/WHITE RIVER
21 of 21
9,153
4.505
17.847
25.24%
17.355
25.96%
19.919
26.291
75.76%
April 4th
20.167
22.34%
DUCHESNE RIVER
15 of 15
9,301
2.540
10.041
25.30%
8.400
30.24%
15.553
18.525
83.96%
March 31st
13.492
18.83%
UPPER COLORADO RIVER HEADWATERS
20 of 20
10,195
4.165
15.329
27.17%
15.865
26.25%
14.425
20.946
68.87%
April 12th
16.217
25.68%
UPPER GREEN RIVER
26 of 26
8,946
4.454
11.734
37.96%
10.596
42.03%
15.800
17.236
91.67%
April 9th
14.148
31.48%

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