Upper Colorado Snowpack Database

Lake Powell, Vail, Steamboat Springs, Crested Butte

Colorado Snow





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ENTIRE UPPER COLORADO RIVER BASIN
As of: 2025-04-19
Day #201 of Water Year 2025
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
136 of 141
9,630
9.595
14.625
65.61%
13.876
69.15%
16.956
19.441
87.22%
April 4th
15.580
61.58%

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
0.350
6.102
5.74%
5.300
6.60%
10.650
16.334
65.20%
March 14th
10.750
3.26%
ESCALANTE RIVER
3 of 4
9,877
0.567
8.612
6.58%
7.367
7.69%
9.725
13.885
70.04%
April 3rd
10.582
5.36%
DIRTY DEVIL RIVER
5 of 6
9,445
2.160
7.089
30.47%
5.200
41.54%
10.733
13.411
80.04%
March 31st
9.491
22.76%
SAN JUAN RIVER HEADWATERS
9 of 9
10,689
6.678
17.909
37.29%
16.900
39.51%
16.189
23.418
69.13%
April 5th
18.871
35.39%
GUNNISON RIVER
16 of 16
10,320
8.425
15.800
53.32%
14.387
58.56%
16.381
20.272
80.81%
April 5th
16.621
50.69%
DOLORES/SAN MIGUEL RIVER
8 of 9
10,316
7.138
13.257
53.84%
12.500
57.10%
18.067
20.262
89.16%
March 31st
15.640
45.64%
ANIMAS RIVER
8 of 9
10,439
10.000
16.285
61.41%
15.667
63.83%
19.525
23.259
83.95%
April 4th
17.615
56.77%
ROARING FORK RIVER
8 of 8
9,780
10.212
15.631
65.34%
14.675
69.59%
17.675
21.155
83.55%
April 4th
16.685
61.21%
PRICE-SAN RAFAEL
11 of 11
9,013
8.009
12.227
65.50%
11.829
67.71%
16.873
17.422
96.85%
March 31st
13.981
57.29%
DUCHESNE RIVER
15 of 15
9,301
8.313
12.176
68.28%
10.893
76.32%
15.953
17.416
91.60%
March 31st
13.492
61.62%
YAMPA/WHITE RIVER
20 of 21
9,153
13.430
19.638
68.39%
19.270
69.69%
21.875
24.528
89.18%
April 4th
20.167
66.59%
UPPER GREEN RIVER
25 of 26
8,946
11.556
13.703
84.33%
12.842
89.99%
16.400
16.180
101.36%
April 9th
14.148
81.68%
UPPER COLORADO RIVER HEADWATERS
20 of 20
10,195
14.115
16.209
87.08%
16.794
84.05%
18.620
19.312
96.42%
April 12th
16.217
87.04%

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