Upper Colorado Snowpack Database

Lake Powell, Vail, Steamboat Springs, Crested Butte

Colorado Snow




, SANJUANRIVERHEADWATERS, , , , , , ,
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San Juan River Headwaters River Basin SWE and TP Averages are from the 30 year average calculated from data between 10/01/1990 and 09/30/2020




SAN JUAN RIVER HEADWATERS
Daily Snowpack Summary

DATE
MEASURED		 STATIONS
REPORTING		 CURRENT
AVG SWE		 30 YR
AVG SWE		 PCT of
30 YR AVG		 BASIN
MEDIAN SWE		 PCT of
MEDIAN SWE		 CURRENT
AVG TP		 30 YR
AVG TP		 PCT of
30 YR TP AVG
2025-10-17
9 of 9
0.244
0.414
59.03%
0.022
1,100.90%
9.044
1.660
544.85%
2025-10-16
9 of 9
0.211
0.408
51.74%
0.011
1,901.80%
9.089
1.605
566.36%
2025-10-15
9 of 9
0.333
0.388
85.81%
0.011
3,002.70%
8.712
1.535
567.52%
2025-10-14
9 of 9
0.311
0.355
87.68%
0.022
1,401.35%
8.044
1.450
554.64%
2025-10-13
9 of 9
0.067
0.362
18.43%
0.022
300.45%
5.722
1.411
405.60%
2025-10-12
9 of 9
0.133
0.374
35.68%
0.000
%
5.600
1.359
412.13%
2025-10-11
9 of 9
0.133
0.311
42.89%
0.000
%
3.000
1.220
245.90%
2025-10-10
9 of 9
0.000
0.237
0.00%
0.000
%
1.322
1.092
121.04%
2025-10-09
9 of 9
0.089
0.190
46.69%
0.000
%
1.144
0.987
115.98%
2025-10-08
9 of 9
0.078
0.174
44.71%
0.000
%
1.178
0.898
131.21%
2025-10-07
9 of 9
0.067
0.134
49.93%
0.000
%
1.156
0.726
159.08%
2025-10-06
9 of 9
0.000
0.088
0.00%
0.000
%
1.156
0.560
206.35%
2025-10-05
9 of 9
0.067
0.075
88.70%
0.000
%
1.133
0.412
274.81%
2025-10-04
9 of 9
0.100
0.058
173.61%
0.000
%
0.556
0.256
217.01%
2025-10-03
9 of 9
0.067
0.040
168.43%
0.000
%
0.011
0.149
7.45%
2025-10-02
9 of 9
0.067
0.031
216.56%
0.000
%
0.000
0.071
0.00%
2025-10-01
9 of 9
0.078
0.036
216.11%
0.000
%
0.000
0.000
100.00%

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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Lake Powell, Vail, Steamboat Springs, Crested Butte