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Viewing Station:
CO-SU-35 : Silverthorne 21 NW
Aug 11, 2005 - Oct 24, 2025
6,263 Total Observations
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Station Overview
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Precip Summary
Year-Over-Year
Precip Calendar
Precip Distribution
Obs Calendar
Obs Tables
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Daily Precip
247
Multi-day Precip
8
Significant Weather
0
Hail
0
Condition Monitoring
0
Map
Obs Date
Obs Time
Gauge Catch (in)
Snowfall (in)
Snowpack (in)
Flooding
Notes
Depth
SWE
Depth
SWE
2025-10-24
7:00 AM
0.46
0.0
NA
0.0
NA
2025-10-23
7:00 AM
0.00
0.0
NA
0.0
NA
2025-10-22
7:00 AM
0.00
0.0
NA
0.0
NA
2025-10-21
7:00 AM
T
T
NA
0.0
NA
2025-10-20
7:00 AM
0.05
0.3
NA
0.5
NA
2025-10-19
7:00 AM
0.00
0.0
NA
0.0
NA
2025-10-18
7:00 AM
0.00
0.0
NA
0.0
NA
2025-10-17
7:00 AM
0.00
0.0
NA
0.0
NA
2025-10-16
7:00 AM
0.00
0.0
NA
0.0
NA
2025-10-15
7:00 AM
0.00
0.0
NA
0.0
NA
2025-10-14
7:00 AM
T
0.0
0.00
NA
NA
2025-10-13
7:00 AM
0.02
0.0
0.00
NA
NA
2025-10-12
7:00 AM
0.31
T
NA
T
NA
2025-10-11
7:00 AM
0.02
0.0
NA
0.0
NA
2025-10-10
7:00 AM
T
0.0
NA
0.0
NA
2025-10-09
7:00 AM
0.00
0.0
NA
0.0
NA
2025-10-08
7:00 AM
0.00
0.0
0.00
NA
NA
2025-10-07
7:00 AM
T
0.0
NA
0.0
NA
2025-10-06
7:00 AM
0.00
0.0
NA
0.0
NA
2025-10-05
7:00 AM
0.01
0.0
NA
0.0
NA
2025-10-04
7:00 AM
0.00
0.0
NA
0.0
NA
2025-10-03
7:00 AM
0.00
0.0
NA
0.0
NA
2025-10-02
7:00 AM
0.00
0.0
NA
0.0
NA
2025-10-01
7:00 AM
0.00
0.0
NA
0.0
NA
2025-09-30
7:00 AM
0.00
0.0
NA
0.0
NA
2025-09-29
7:00 AM
0.01
0.0
NA
0.0
NA
2025-09-28
7:00 AM
0.00
0.0
NA
0.0
NA
2025-09-27
7:00 AM
0.00
0.0
NA
0.0
NA
2025-09-26
7:00 AM
0.00
0.0
NA
0.0
NA
2025-09-25
7:00 AM
0.00
0.0
NA
0.0
NA
2025-09-24
7:00 AM
0.26
0.0
NA
0.0
NA
2025-09-23
7:00 AM
0.23
0.0
NA
0.0
NA
2025-09-13
7:00 AM
0.05
0.0
NA
0.0
NA
2025-09-12
7:00 AM
0.13
0.0
NA
0.0
NA
2025-09-11
7:00 AM
0.00
0.0
NA
0.0
NA
2025-09-10
7:00 AM
0.00
0.0
NA
0.0
NA
2025-09-04
7:00 AM
0.00
0.0
NA
0.0
NA
2025-09-03
7:00 AM
0.00
0.0
NA
0.0
NA
2025-09-02
7:00 AM
0.00
0.0
NA
0.0
NA
2025-09-01
7:00 AM
0.00
0.0
NA
0.0
NA
2025-08-31
7:00 AM
0.02
0.0
NA
0.0
NA
2025-08-30
7:00 AM
0.15
0.0
NA
0.0
NA
2025-08-29
7:00 AM
0.03
0.0
NA
0.0
NA
2025-08-28
7:00 AM
0.21
0.0
NA
0.0
NA
2025-08-27
7:00 AM
0.06
0.0
NA
0.0
NA
2025-08-26
7:00 AM
0.21
0.0
NA
0.0
NA
2025-08-25
7:00 AM
0.07
0.0
NA
0.0
NA
2025-08-24
7:00 AM
T
NA
NA
NA
NA
2025-08-23
7:00 AM
0.02
0.0
NA
0.0
NA
2025-08-22
7:00 AM
0.00
0.0
NA
0.0
NA
2025-08-21
7:00 AM
0.00
0.0
NA
0.0
NA
2025-08-20
7:00 AM
0.00
0.0
NA
0.0
NA
2025-08-19
7:00 AM
0.00
0.0
NA
0.0
NA
2025-08-18
7:00 AM
0.00
0.0
NA
0.0
NA
2025-08-17
7:00 AM
0.02
0.0
NA
0.0
NA
2025-08-16
7:00 AM
T
0.0
NA
0.0
NA
2025-08-15
7:00 AM
0.00
0.0
NA
0.0
NA
2025-08-14
7:00 AM
0.00
0.0
NA
0.0
NA
2025-08-13
7:00 AM
0.00
0.0
NA
0.0
NA
2025-08-06
7:00 AM
0.00
0.0
NA
0.0
NA
2025-08-05
7:00 AM
0.00
0.0
NA
0.0
NA
2025-08-04
7:00 AM
0.00
0.0
NA
0.0
NA
2025-08-03
7:00 AM
0.20
0.0
NA
0.0
NA
2025-08-02
7:00 AM
0.09
0.0
NA
0.0
NA
2025-08-01
7:00 AM
0.05
0.0
NA
0.0
NA
2025-07-31
7:00 AM
0.14
0.0
NA
0.0
NA
2025-07-30
7:00 AM
T
0.0
NA
0.0
NA
2025-07-29
7:00 AM
0.00
0.0
NA
0.0
NA
2025-07-28
7:00 AM
0.00
0.0
NA
0.0
NA
2025-07-27
7:00 AM
0.00
0.0
NA
0.0
NA
2025-07-26
7:00 AM
0.00
0.0
NA
0.0
NA
2025-07-25
7:00 AM
0.06
0.0
NA
0.0
NA
2025-07-24
7:00 AM
T
0.0
NA
0.0
NA
2025-07-23
7:00 AM
0.15
0.0
NA
0.0
NA
2025-07-22
7:00 AM
0.08
0.0
NA
0.0
NA
2025-07-21
7:00 AM
0.00
0.0
NA
0.0
NA
2025-07-20
7:00 AM
0.00
0.0
NA
0.0
NA
2025-07-19
7:00 AM
T
0.0
NA
0.0
NA
2025-07-18
7:00 AM
0.00
0.0
NA
0.0
NA
2025-07-17
7:00 AM
0.03
0.0
NA
0.0
NA
2025-07-16
7:00 AM
0.00
0.0
NA
0.0
NA
2025-07-15
7:00 AM
T
0.0
NA
0.0
NA
2025-07-14
7:00 AM
0.00
0.0
NA
0.0
NA
2025-07-13
7:00 AM
0.00
0.0
NA
0.0
NA
2025-07-12
7:00 AM
0.00
0.0
NA
0.0
NA
2025-07-11
7:00 AM
0.12
0.0
NA
0.0
NA
2025-07-10
7:00 AM
0.00
0.0
NA
0.0
NA
2025-07-09
7:00 AM
0.00
0.0
NA
0.0
NA
2025-07-08
7:00 AM
0.00
0.0
NA
0.0
NA
2025-07-07
7:00 AM
0.00
0.0
NA
0.0
NA
2025-07-06
7:00 AM
T
0.0
NA
0.0
NA
2025-07-05
7:00 AM
T
0.0
NA
0.0
NA
2025-07-04
7:00 AM
0.07
0.0
NA
0.0
NA
2025-07-03
7:00 AM
0.00
0.0
NA
0.0
NA
2025-07-02
7:00 AM
0.00
0.0
NA
0.0
NA
2025-07-01
7:00 AM
0.00
0.0
NA
0.0
NA
2025-06-30
7:00 AM
T
0.0
NA
0.0
NA
2025-06-18
7:00 AM
T
0.0
NA
0.0
NA
2025-06-17
7:00 AM
0.00
0.0
NA
0.0
NA
2025-06-16
7:00 AM
0.00
0.0
NA
0.0
NA
2025-06-15
7:00 AM
0.00
0.0
NA
0.0
NA
2025-06-14
7:00 AM
0.00
0.0
NA
0.0
NA
2025-06-13
7:00 AM
0.05
0.0
NA
0.0
NA
2025-06-12
7:00 AM
0.01
0.0
NA
0.0
NA
2025-06-11
7:00 AM
0.00
0.0
NA
0.0
NA
2025-06-10
7:00 AM
0.00
0.0
NA
0.0
NA
2025-06-09
7:00 AM
0.19
0.0
NA
0.0
NA
2025-06-08
7:00 AM
T
0.0
NA
0.0
NA
2025-06-07
7:00 AM
0.30
0.0
NA
0.0
NA
2025-06-06
7:00 AM
0.13
0.0
NA
0.0
NA
2025-06-05
7:00 AM
0.00
0.0
NA
0.0
NA
2025-06-02
7:00 AM
T
0.0
NA
0.0
NA
2025-06-01
7:00 AM
0.03
0.0
NA
0.0
NA
2025-05-31
7:00 AM
0.02
0.0
NA
0.0
NA
2025-05-30
7:00 AM
0.00
0.0
NA
0.0
NA
2025-05-29
7:00 AM
0.06
0.0
NA
0.0
NA
2025-05-28
7:00 AM
0.00
0.0
NA
0.0
NA
2025-05-27
7:00 AM
T
0.0
NA
0.0
NA
2025-05-26
7:00 AM
0.27
0.0
NA
0.0
NA
2025-05-25
7:00 AM
0.00
0.0
NA
0.0
NA
2025-05-24
7:00 AM
0.00
0.0
NA
0.0
NA
2025-05-23
7:00 AM
0.00
0.0
NA
0.0
NA
2025-05-22
7:00 AM
0.00
0.0
NA
0.0
NA
2025-05-21
7:00 AM
0.00
0.0
NA
0.0
NA
2025-05-20
7:00 AM
T
T
NA
0.0
NA
2025-05-19
7:00 AM
0.14
0.0
NA
0.0
NA
2025-05-18
7:00 AM
0.00
0.0
NA
0.0
NA
2025-05-17
7:00 AM
T
0.0
NA
0.0
NA
2025-05-16
7:00 AM
0.11
1.3
NA
1.0
NA
2025-05-15
7:00 AM
0.10
1.0
NA
0.5
NA
2025-05-14
7:00 AM
0.00
0.0
NA
0.0
NA
2025-05-13
7:00 AM
0.00
0.0
NA
0.0
NA
2025-05-07
7:00 AM
0.02
T
NA
0.0
NA
2025-05-06
7:00 AM
0.00
0.0
NA
0.0
NA
2025-05-05
7:00 AM
0.00
0.0
NA
0.0
NA
2025-05-04
7:00 AM
0.00
0.0
NA
0.0
NA
2025-05-03
7:00 AM
0.00
0.0
NA
0.0
NA
2025-05-02
7:00 AM
T
T
NA
0.0
NA
2025-05-01
7:00 AM
0.35
0.1
NA
T
NA
2025-04-30
7:00 AM
0.00
0.0
NA
0.0
NA
2025-04-29
7:00 AM
0.00
0.0
NA
0.0
NA
2025-04-28
7:00 AM
0.06
1.0
NA
1.0
NA
2025-04-27
7:00 AM
0.00
0.0
NA
0.0
NA
2025-04-26
7:00 AM
0.00
0.0
NA
0.0
NA
2025-04-25
7:00 AM
0.00
0.0
NA
0.0
NA
2025-04-24
7:00 AM
0.00
0.0
NA
0.0
NA
2025-04-23
7:00 AM
0.00
0.0
NA
0.0
NA
2025-04-22
7:00 AM
0.00
0.0
NA
0.0
NA
2025-04-21
7:00 AM
0.00
0.0
NA
0.0
NA
2025-04-20
7:00 AM
0.00
0.0
NA
T
NA
2025-04-19
7:00 AM
0.20
2.0
NA
4.0
NA
Snow was melting when it hit the ground
2025-04-18
7:00 AM
0.10
1.8
NA
1.5
NA
2025-04-17
7:00 AM
0.00
0.0
NA
NA
NA
2025-04-16
7:00 AM
0.00
0.0
NA
NA
NA
2025-04-15
7:00 AM
0.00
0.0
NA
NA
NA
2025-04-14
7:00 AM
0.00
0.0
NA
NA
NA
2025-04-13
7:00 AM
0.00
0.0
NA
NA
NA
2025-04-12
7:00 AM
0.00
0.0
NA
NA
NA
2025-04-11
7:00 AM
0.00
0.0
NA
NA
NA
2025-04-10
7:00 AM
0.00
0.0
NA
NA
NA
2025-04-09
7:00 AM
0.00
0.0
NA
T
NA
2025-04-08
7:00 AM
0.00
0.0
NA
T
NA
2025-03-27
7:00 AM
0.00
0.0
NA
T
NA
2025-03-26
7:00 AM
0.00
0.0
NA
T
NA
2025-03-25
7:00 AM
0.00
0.0
NA
T
NA
2025-03-24
7:00 AM
0.00
0.0
NA
0.5
NA
2025-03-23
7:00 AM
T
T
NA
0.5
NA
2025-03-22
7:00 AM
T
T
NA
0.5
NA
2025-03-21
7:00 AM
0.00
0.0
NA
0.5
NA
2025-03-20
7:00 AM
T
T
NA
1.0
NA
2025-03-19
7:00 AM
0.04
0.4
NA
1.0
NA
2025-03-18
7:00 AM
0.00
0.0
NA
1.0
NA
2025-03-17
7:00 AM
0.00
0.0
NA
1.5
NA
2025-03-16
7:00 AM
0.00
0.0
NA
1.5
NA
2025-03-15
7:00 AM
0.02
0.1
NA
2.0
NA
2025-03-14
7:00 AM
0.13
1.8
NA
2.5
NA
2025-03-13
7:00 AM
0.00
0.0
NA
1.0
NA
2025-03-12
7:00 AM
0.00
0.0
NA
1.0
NA
2025-03-11
7:00 AM
0.00
0.0
NA
1.5
NA
2025-03-10
7:00 AM
0.00
0.0
NA
1.5
NA
2025-03-09
7:00 AM
0.00
0.0
NA
2.0
NA
2025-03-08
7:00 AM
T
0.2
NA
2.0
NA
2025-03-07
7:00 AM
0.04
0.1
NA
2.5
NA
New snow measure is off due to high winds and melting.
2025-03-06
7:00 AM
0.11
1.5
NA
3.0
NA
2025-03-05
7:00 AM
T
0.5
NA
2.0
NA
2025-03-04
7:00 AM
0.02
0.8
NA
2.0
NA
2025-03-03
7:00 AM
0.00
0.0
NA
2.0
NA
2025-03-02
7:00 AM
0.00
0.0
NA
2.5
NA
2025-03-01
7:00 AM
0.00
0.0
NA
2.5
NA
2025-02-28
7:00 AM
0.00
0.0
NA
3.0
NA
2025-02-27
7:00 AM
0.00
0.0
NA
3.5
NA
2025-02-26
7:00 AM
0.00
0.0
NA
4.0
NA
2025-02-25
7:00 AM
0.00
0.0
NA
4.5
NA
2025-02-24
7:00 AM
0.00
0.0
NA
5.0
1.66
2025-02-23
7:00 AM
0.00
0.0
NA
7.0
NA
2025-02-22
7:00 AM
0.00
0.0
NA
7.5
NA
2025-02-21
7:00 AM
0.14
2.7
NA
12.0
NA
2025-02-20
7:00 AM
0.00
0.0
NA
10.0
NA
2025-02-19
7:00 AM
0.03
1.6
NA
10.0
NA
2025-02-18
7:00 AM
0.15
2.6
NA
10.0
NA
2025-02-17
7:00 AM
0.05
0.6
NA
7.5
1.29
2025-02-16
7:00 AM
0.01
T
NA
7.5
NA
Probably snowed more than a trace but melted before I got a chance to measure.
2025-02-15
7:00 AM
0.15
1.3
NA
8.0
NA
2025-02-14
7:00 AM
0.04
0.3
NA
7.0
NA
2025-02-13
7:00 AM
T
T
NA
7.0
NA
2025-02-12
7:00 AM
0.20
3.3
NA
7.5
NA
2025-02-11
7:00 AM
0.00
0.0
NA
4.5
NA
2025-02-10
7:00 AM
0.00
0.0
NA
5.0
0.91
2025-02-09
7:00 AM
0.01
0.2
NA
7.0
NA
2025-02-08
7:00 AM
0.27
8.0
NA
11.0
NA
2025-02-07
7:00 AM
0.00
0.0
NA
3.0
NA
2025-02-06
7:00 AM
0.00
0.0
NA
3.5
NA
2025-02-05
7:00 AM
0.00
0.0
NA
3.5
NA
2025-02-04
7:00 AM
0.00
0.0
NA
4.5
NA
2025-02-03
7:00 AM
0.00
0.0
NA
6.0
1.90
Low of 43 degrees this morning Snowpack is melting rapidly
2025-02-02
7:00 AM
0.00
0.0
NA
7.5
NA
2025-02-01
7:00 AM
0.00
0.0
NA
9.5
NA
2025-01-31
7:00 AM
0.00
0.0
NA
11.5
NA
2025-01-30
7:00 AM
0.00
0.0
NA
11.5
NA
2025-01-29
7:00 AM
0.00
0.0
NA
11.5
NA
2025-01-28
7:00 AM
0.00
0.0
NA
11.5
NA
2025-01-27
7:00 AM
0.00
0.0
NA
12.0
1.50
2025-01-26
7:00 AM
0.04
0.5
NA
12.0
NA
2025-01-25
7:00 AM
0.17
3.0
NA
12.0
NA
2025-01-24
7:00 AM
0.00
0.0
NA
9.0
NA
2025-01-23
7:00 AM
T
T
NA
9.0
NA
2025-01-22
7:00 AM
0.00
0.0
NA
9.0
NA
2025-01-21
7:00 AM
0.00
0.0
NA
9.0
NA
2025-01-20
7:00 AM
0.09
1.5
NA
9.0
1.25
2025-01-19
7:00 AM
T
0.1
NA
6.5
NA
18 below zero for the low this morning
2025-01-18
7:00 AM
0.02
0.7
NA
6.5
NA
2025-01-17
7:00 AM
0.00
0.0
NA
6.0
NA
2025-01-16
7:00 AM
0.00
0.0
NA
6.0
NA
2025-01-15
7:00 AM
0.00
0.0
NA
6.0
NA
2025-01-14
7:00 AM
T
0.1
NA
6.0
NA
2025-01-13
7:00 AM
0.00
0.0
NA
6.0
1.12
2025-01-12
7:00 AM
0.02
0.3
NA
6.0
NA
2025-01-11
7:00 AM
0.03
1.0
NA
6.0
NA
2025-01-10
7:00 AM
T
T
NA
5.0
NA
2025-01-09
7:00 AM
0.02
0.4
NA
5.0
NA
2025-01-08
7:00 AM
0.00
0.0
NA
5.0
NA
2025-01-07
7:00 AM
T
T
NA
5.0
NA
2025-01-06
7:00 AM
T
T
NA
5.0
1.00
2025-01-05
7:00 AM
T
0.1
NA
7.5
NA
2025-01-04
7:00 AM
0.00
0.0
NA
7.5
NA
2025-01-03
7:00 AM
0.00
0.0
NA
7.5
NA
2025-01-02
7:00 AM
T
T
NA
7.5
NA