Upper Colorado Snowpack Database

Lake Powell, Vail, Steamboat Springs, Crested Butte

Colorado Snow




1, , , , , , , ,

ENTIRE UPPER COLORADO RIVER BASIN
As of: 2026-05-15
Day #227 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
7 of 141
9,630
0.043
8.596
0.50%
7.222
0.59%
12.614
21.963
57.43%
April 4th
15.580
0.28%

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
0 of 6
9,445
1.130
%
0.000
%
15.182
%
March 31st
9.491
%
DOLORES/SAN MIGUEL RIVER
0 of 9
10,316
6.101
%
3.900
%
22.643
%
March 31st
15.640
%
DUCHESNE RIVER
0 of 15
9,301
6.647
%
5.067
%
19.646
%
March 31st
13.492
%
ESCALANTE RIVER
0 of 4
9,877
2.052
%
0.000
%
15.644
%
April 3rd
10.582
%
ANIMAS RIVER
0 of 9
10,439
9.633
%
8.056
%
25.641
%
April 4th
17.615
%
ROARING FORK RIVER
0 of 8
9,780
8.807
%
7.175
%
24.121
%
April 4th
16.685
%
UPPER GREEN RIVER
0 of 26
8,946
7.874
%
6.517
%
18.498
%
April 9th
14.148
%
UPPER COLORADO RIVER HEADWATERS
0 of 20
10,195
11.956
%
12.212
%
22.268
%
April 12th
16.217
%
PRICE-SAN RAFAEL
2 of 11
9,013
0.000
4.602 *
0.00%
2.471
0.00%
13.700
19.556
70.05%
March 31st
13.981
0.00%
YAMPA/WHITE RIVER
1 of 21
9,153
0.000
13.346 *
0.00%
12.385
0.00%
16.000
27.880
57.39%
April 4th
20.167
0.00%
GUNNISON RIVER
2 of 16
10,320
0.000
9.051 *
0.00%
7.460
0.00%
11.100
22.744
48.80%
April 5th
16.621
0.00%
SAN JUAN RIVER HEADWATERS
1 of 9
10,689
0.000
11.394 *
0.00%
9.144
0.00%
10.300
25.622
40.20%
April 5th
18.871
0.00%
SOUTH EASTERN UTAH
1 of 6
8,976
0.300
0.625
48.00%
0.000
%
12.400
18.014
68.83%
March 14th
10.750
2.79%

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