Upper Colorado Snowpack Database

Lake Powell, Vail, Steamboat Springs, Crested Butte

Colorado Snow




1, , , , , , , ,

ENTIRE UPPER COLORADO RIVER BASIN
As of: 2026-05-09
Day #221 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
133 of 141
9,630
2.490
10.435
23.86%
9.288
26.80%
17.106
21.459
79.71%
April 4th
15.580
15.98%

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
5 of 6
9,445
0.000
2.096 *
0.00%
0.100
0.00%
11.450
14.826
77.23%
March 31st
9.491
0.00%
PRICE-SAN RAFAEL
11 of 11
9,013
0.046
6.648
0.68%
5.657
0.80%
14.227
19.160
74.26%
March 31st
13.981
0.33%
ESCALANTE RIVER
3 of 4
9,877
0.033
3.256
1.02%
0.667
4.99%
12.850
15.284
84.08%
April 3rd
10.582
0.31%
SOUTH EASTERN UTAH
6 of 6
8,976
0.117
1.304
8.95%
0.000
%
15.067
17.703
85.11%
March 14th
10.750
1.09%
ANIMAS RIVER
8 of 9
10,439
1.400
11.822
11.84%
10.789
12.98%
23.375
25.218
92.69%
April 4th
17.615
7.95%
GUNNISON RIVER
16 of 16
10,320
1.531
11.179
13.70%
9.687
15.81%
17.144
22.285
76.93%
April 5th
16.621
9.21%
SAN JUAN RIVER HEADWATERS
9 of 9
10,689
1.867
13.608
13.72%
11.978
15.58%
24.011
25.216
95.22%
April 5th
18.871
9.89%
ROARING FORK RIVER
8 of 8
9,780
1.700
10.936
15.54%
9.738
17.46%
16.212
23.523
68.92%
April 4th
16.685
10.19%
DUCHESNE RIVER
14 of 15
9,301
1.907
8.143
23.42%
6.473
29.46%
16.087
19.174
83.90%
March 31st
13.492
14.14%
YAMPA/WHITE RIVER
20 of 21
9,153
4.310
15.631
27.57%
15.025
28.69%
20.890
27.233
76.71%
April 4th
20.167
21.37%
DOLORES/SAN MIGUEL RIVER
9 of 9
10,316
2.167
7.782
27.84%
6.025
35.96%
18.944
22.191
85.37%
March 31st
15.640
13.85%
UPPER COLORADO RIVER HEADWATERS
19 of 20
10,195
4.021
13.662
29.43%
14.024
28.67%
15.540
21.705
71.60%
April 12th
16.217
24.80%
UPPER GREEN RIVER
23 of 26
8,946
3.591
9.628
37.30%
8.088
44.41%
16.148
17.962
89.90%
April 9th
14.148
25.38%

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