Station Overview Station Location
Station Number CO-SU-62 Latitude 39.653334
Station Name Silverthorne 0.1 NNW Longitude -106.082183
County Summit Elevation (ft) 8728



Month 30 Yr Avg by PRISM Total Prcp Sum Days Covered By All Observations Daily Prcp Sum Daily Observation Count Multiday Prcp Sum Days Covered by Multiday Observations Multiday Observation Count Days With Prcp Days With Trace Total Snowfall Days With Snowfall Days With Snow On Ground
Oct 18 1.05 0.76 13 0.76 13 0.00 0 0 7 0 0.0 0 0
Nov 18 1.05 1.83 26 1.83 26 0.00 0 0 11 2 0.0 0 0
Dec 18 1.21 0.80 30 0.80 30 0.00 0 0 16 1 0.0 0 0
Jan 19 0.93 0.07 7 0.07 7 0.00 0 0 1 0 0.0 0 0
Feb 19 0.95 0.62 11 0.62 11 0.00 0 0 6 0 0.0 0 0
March 19 1.32 3.45 24 3.45 24 0.00 0 0 11 1 0.0 0 0
April 19 1.45 0.91 25 0.91 20 0.00 5 0 7 3 0.0 0 0
May 19 1.23 4.10 19 2.15 15 1.95 4 2 6 1 0.0 0 0
June 19 1.23 1.27 26 1.18 24 0.09 2 1 6 2 0.0 0 0
July 19 1.57 0.95 14 0.95 14 0.00 0 0 8 1 0.0 0 0
Aug 19 1.49 0.22 14 0.22 14 0.00 0 0 3 0 0.0 0 0
Sept 19 1.28 0.42 14 0.42 14 0.00 0 0 4 0 0.0 0 0
Water Year Totals: 14.76" 15.40" 223 days 13.36" 212 2.04" 11 days 3 86 days 11 days 0.0" 0 days 0 days



Days in Water Year Cell Color Key
        Daily Observation with Prcp         Missing Day
        Multiday Observation         Daily/Multiday Observation Conflict

Day of Year Daily Prcp Multiday Prcp
10/1/2018
10/2/2018
10/3/2018
10/4/2018
10/5/2018
10/6/2018
10/7/2018
10/8/2018
10/9/2018
10/10/2018 0.13
10/11/2018
10/12/2018
10/13/2018
10/14/2018 0.18
10/15/2018 0.12
10/16/2018 0.00
10/17/2018 0.00
10/18/2018 0.00
10/19/2018 0.04
10/20/2018 0.00
10/21/2018
10/22/2018 0.00
10/23/2018 0.00
10/24/2018 0.02
10/25/2018
10/26/2018
10/27/2018
10/28/2018
10/29/2018
10/30/2018 0.03
10/31/2018 0.24
11/1/2018 0.01
11/2/2018 T
11/3/2018 0.13
11/4/2018 0.07
11/5/2018 0.15
11/6/2018 0.13
11/7/2018
11/8/2018 T
11/9/2018 0.00
11/10/2018 0.00
11/11/2018 0.00
11/12/2018 0.21
11/13/2018 0.00
11/14/2018 0.00
11/15/2018 0.00
11/16/2018 0.00
11/17/2018 0.00
11/18/2018 0.11
11/19/2018 0.00
11/20/2018
11/21/2018
11/22/2018
11/23/2018 0.14
11/24/2018 0.26
11/25/2018 0.45
11/26/2018 0.00
11/27/2018 0.00
11/28/2018 0.00
11/29/2018 0.17
11/30/2018 0.00
12/1/2018 0.10
12/2/2018 0.01
12/3/2018 0.00
12/4/2018 0.06
12/5/2018 0.05
12/6/2018 0.03
12/7/2018 0.12
12/8/2018 0.02
12/9/2018 T
12/10/2018 0.00
12/11/2018 0.00
12/12/2018 0.00
12/13/2018 0.14
12/14/2018 0.00
12/15/2018 0.00
12/16/2018 0.00
12/17/2018 0.00
12/18/2018 0.00
12/19/2018 0.01
12/20/2018 0.06
12/21/2018 0.00
12/22/2018 0.01
12/23/2018 0.07
12/24/2018 0.04
12/25/2018 0.05
12/26/2018 0.00
12/27/2018
12/28/2018 0.00
12/29/2018 0.02
12/30/2018 0.00
12/31/2018 0.01
Day of YearDaily PrcpMultiday Prcp
1/1/2019 0.00
1/2/2019 0.00
1/3/2019 0.00
1/4/2019 0.00
1/5/2019 0.00
1/6/2019 0.00
1/7/2019 0.07
1/8/2019
1/9/2019
1/10/2019
1/11/2019
1/12/2019
1/13/2019
1/14/2019
1/15/2019
1/16/2019
1/17/2019
1/18/2019
1/19/2019
1/20/2019
1/21/2019
1/22/2019
1/23/2019
1/24/2019
1/25/2019
1/26/2019
1/27/2019
1/28/2019
1/29/2019
1/30/2019
1/31/2019
2/1/2019
2/2/2019
2/3/2019
2/4/2019
2/5/2019
2/6/2019
2/7/2019
2/8/2019
2/9/2019
2/10/2019
2/11/2019
2/12/2019
2/13/2019
2/14/2019 0.20
2/15/2019 0.14
2/16/2019 0.06
2/17/2019 0.06
2/18/2019 0.00
2/19/2019 0.00
2/20/2019 0.03
2/21/2019 0.00
2/22/2019 0.00
2/23/2019 0.13
2/24/2019
2/25/2019
2/26/2019
2/27/2019 0.00
2/28/2019
3/1/2019 0.16
3/2/2019 0.16
3/3/2019 0.83
3/4/2019 0.37
3/5/2019
3/6/2019
3/7/2019 0.82
3/8/2019 0.13
3/9/2019 0.19
3/10/2019 0.00
3/11/2019
3/12/2019
3/13/2019 0.66
3/14/2019
3/15/2019 0.00
3/16/2019 0.00
3/17/2019 0.00
3/18/2019 0.00
3/19/2019 0.00
3/20/2019 0.00
3/21/2019
3/22/2019 0.01
3/23/2019 0.03
3/24/2019 T
3/25/2019
3/26/2019 0.00
3/27/2019 0.00
3/28/2019 0.00
3/29/2019 0.00
3/30/2019 0.09
3/31/2019 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2019 0.02
4/2/2019 0.03
4/3/2019 0.00
4/4/2019 0.01
4/5/2019 0.00
4/6/2019 0.00
4/7/2019 0.07
4/8/2019 0.00
4/9/2019 0.00
4/10/2019
4/11/2019 0.65
4/12/2019
4/13/2019 T
4/14/2019 0.01
4/15/2019 0.00
4/16/2019 0.00
4/17/2019 T
4/18/2019 T
4/19/2019
4/20/2019 0.00
4/21/2019 0.00
4/22/2019 0.00
4/23/2019 0.12
4/24/2019
4/25/2019
4/26/2019 **
4/27/2019 **
4/28/2019 **
4/29/2019 **
4/30/2019 **
5/1/2019 **
5/2/2019 1.67
5/3/2019 0.00
5/4/2019 0.00
5/5/2019 0.00
5/6/2019 0.00
5/7/2019 0.00
5/8/2019 0.00
5/9/2019 0.49
5/10/2019 T
5/11/2019
5/12/2019
5/13/2019
5/14/2019
5/15/2019
5/16/2019
5/17/2019
5/18/2019
5/19/2019
5/20/2019
5/21/2019 1.08
5/22/2019 0.15
5/23/2019 0.05
5/24/2019 0.34
5/25/2019 0.00
5/26/2019
5/27/2019
5/28/2019 0.04
5/29/2019 **
5/30/2019 0.28
5/31/2019 0.00
6/1/2019 0.00
6/2/2019 0.00
6/3/2019 0.00
6/4/2019 0.00
6/5/2019 0.00
6/6/2019 T
6/7/2019 0.01
6/8/2019 T
6/9/2019
6/10/2019 0.00
6/11/2019 0.00
6/12/2019 0.00
6/13/2019 0.00
6/14/2019 0.00
6/15/2019 0.00
6/16/2019
6/17/2019 **
6/18/2019 0.09
6/19/2019 0.32
6/20/2019 0.00
6/21/2019 0.10
6/22/2019 0.39
6/23/2019 0.28
6/24/2019 0.08
6/25/2019
6/26/2019 0.00
6/27/2019 0.00
6/28/2019 0.00
6/29/2019 0.00
6/30/2019
Day of YearDaily PrcpMultiday Prcp
7/1/2019 0.38
7/2/2019 0.00
7/3/2019 0.00
7/4/2019 0.00
7/5/2019 0.00
7/6/2019
7/7/2019
7/8/2019 0.02
7/9/2019 0.04
7/10/2019
7/11/2019
7/12/2019
7/13/2019
7/14/2019 0.15
7/15/2019 T
7/16/2019 0.02
7/17/2019 0.00
7/18/2019
7/19/2019
7/20/2019
7/21/2019
7/22/2019
7/23/2019
7/24/2019
7/25/2019
7/26/2019
7/27/2019 0.07
7/28/2019 0.10
7/29/2019
7/30/2019
7/31/2019 0.17
8/1/2019 0.02
8/2/2019 0.05
8/3/2019
8/4/2019
8/5/2019 0.15
8/6/2019
8/7/2019
8/8/2019
8/9/2019
8/10/2019
8/11/2019
8/12/2019
8/13/2019
8/14/2019
8/15/2019
8/16/2019
8/17/2019
8/18/2019
8/19/2019
8/20/2019
8/21/2019 0.00
8/22/2019 0.00
8/23/2019 0.00
8/24/2019 0.00
8/25/2019 0.00
8/26/2019 0.00
8/27/2019 0.00
8/28/2019 0.00
8/29/2019 0.00
8/30/2019 0.00
8/31/2019 0.00
9/1/2019 0.00
9/2/2019 0.00
9/3/2019 0.00
9/4/2019 0.00
9/5/2019 0.00
9/6/2019 0.02
9/7/2019 0.19
9/8/2019 0.00
9/9/2019 0.13
9/10/2019 0.00
9/11/2019
9/12/2019
9/13/2019
9/14/2019
9/15/2019
9/16/2019
9/17/2019
9/18/2019
9/19/2019
9/20/2019
9/21/2019
9/22/2019
9/23/2019
9/24/2019
9/25/2019
9/26/2019 0.00
9/27/2019 0.00
9/28/2019 0.08
9/29/2019 0.00
9/30/2019



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/10/2018 7:00 AM 0.13 M M M M
10/14/2018 10:15 AM 0.18 M M M M
10/15/2018 7:00 AM 0.12 M M M M
10/16/2018 7:00 AM 0.00 0.0 M M M
10/17/2018 7:00 AM 0.00 0.0 M M M
10/18/2018 7:00 AM 0.00 0.0 M M M
10/19/2018 7:00 AM 0.04 M M M M
10/20/2018 7:00 AM 0.00 0.0 M M M
10/22/2018 7:00 AM 0.00 0.0 M M M
10/23/2018 7:00 AM 0.00 0.0 M M M
10/24/2018 7:00 AM 0.02 M M M M
10/30/2018 9:15 AM 0.03 M M M M still snowing
10/31/2018 7:00 AM 0.24 M M M M
11/1/2018 7:00 AM 0.01 M M M M
11/2/2018 7:00 AM T M M M M Still snowing
11/3/2018 9:15 AM 0.13 M M M M Still snowing
11/4/2018 7:00 AM 0.07 M M M M
11/5/2018 7:00 AM 0.15 M M M M
11/6/2018 7:00 AM 0.13 M M M M
11/8/2018 7:00 AM T M M M M still light snow
11/9/2018 7:00 AM 0.00 0.0 M M M
11/10/2018 7:00 AM 0.00 0.0 M M M
11/11/2018 7:00 AM 0.00 0.0 M M M
11/12/2018 7:00 AM 0.21 M M M M
11/13/2018 7:00 AM 0.00 0.0 M M M
11/14/2018 7:00 AM 0.00 0.0 M M M
11/15/2018 7:00 AM 0.00 0.0 M M M
11/16/2018 7:00 AM 0.00 0.0 M M M
11/17/2018 7:00 AM 0.00 0.0 M M M
11/18/2018 7:00 AM 0.11 M M M M
11/19/2018 7:00 AM 0.00 0.0 M M M
11/23/2018 8:00 AM 0.14 M M M M light snow
11/24/2018 7:00 AM 0.26 M M M M
11/25/2018 7:00 AM 0.45 M M M M
11/26/2018 7:00 AM 0.00 0.0 M M M
11/27/2018 7:00 AM 0.00 0.0 M M M
11/28/2018 7:00 AM 0.00 0.0 M M M
11/29/2018 7:00 AM 0.17 M M M M
11/30/2018 7:00 AM 0.00 0.0 M M M
12/1/2018 7:00 AM 0.10 M M M M
12/2/2018 7:00 AM 0.01 M M M M
12/3/2018 7:00 AM 0.00 0.0 M M M
12/4/2018 7:00 AM 0.06 M M M M
12/5/2018 8:00 AM 0.05 M M M M
12/6/2018 7:00 AM 0.03 M M M M still snowing
12/7/2018 7:00 AM 0.12 M M M M still snowing
12/8/2018 7:00 AM 0.02 M M M M
12/9/2018 7:00 AM T M M M M
12/10/2018 7:00 AM 0.00 0.0 M M M
12/11/2018 7:00 AM 0.00 0.0 M M M
12/12/2018 7:00 AM 0.00 0.0 M M M
12/13/2018 7:00 AM 0.14 M M M M
12/14/2018 7:00 AM 0.00 0.0 M M M
12/15/2018 7:00 AM 0.00 0.0 M M M
12/16/2018 7:00 AM 0.00 0.0 M M M
12/17/2018 7:00 AM 0.00 0.0 M M M
12/18/2018 7:00 AM 0.00 0.0 M M M
12/19/2018 8:38 AM 0.01 M M M M still snowing
12/20/2018 7:00 AM 0.06 M M M M
12/21/2018 7:00 AM 0.00 0.0 M M M
12/22/2018 7:00 AM 0.01 M M M M still snowing
12/23/2018 7:00 AM 0.07 M M M M
12/24/2018 7:00 AM 0.04 M M M M
12/25/2018 7:00 AM 0.05 M M M M
12/26/2018 7:00 AM 0.00 0.0 M M M
12/28/2018 7:00 AM 0.00 0.0 M M M
12/29/2018 7:00 AM 0.02 M M M M
12/30/2018 7:00 AM 0.00 0.0 M M M
12/31/2018 7:00 AM 0.01 M M M M
1/1/2019 7:00 AM 0.00 0.0 M M M
1/2/2019 7:00 AM 0.00 0.0 M M M
1/3/2019 7:00 AM 0.00 0.0 M M M
1/4/2019 7:00 AM 0.00 0.0 M M M
1/5/2019 7:00 AM 0.00 0.0 M M M
1/6/2019 7:00 AM 0.00 0.0 M M M
1/7/2019 7:00 AM 0.07 M M M M
2/14/2019 7:00 AM 0.20 M M M M
2/15/2019 7:00 AM 0.14 M M M M
2/16/2019 7:00 AM 0.06 M M M M
2/17/2019 7:00 AM 0.06 M M M M
2/18/2019 7:00 AM 0.00 0.0 M M M
2/19/2019 7:00 AM 0.00 0.0 M M M
2/20/2019 7:00 AM 0.03 M M M M
2/21/2019 7:00 AM 0.00 0.0 M M M
2/22/2019 7:00 AM 0.00 0.0 M M M
2/23/2019 7:00 AM 0.13 M M M M
2/27/2019 7:00 AM 0.00 0.0 M M M
3/1/2019 7:00 AM 0.16 M M M M
3/2/2019 7:00 AM 0.16 M M M M still snowing
3/3/2019 8:36 AM 0.83 M M M M still snowing
3/4/2019 7:00 AM 0.37 M M M M
3/7/2019 7:00 AM 0.82 M M M M This is an underestimate because an air-pocket was created and the snow piled up on top of the collection device rather than in it.
3/8/2019 7:00 AM 0.13 M M M M
3/9/2019 7:00 AM 0.19 M M M M
3/10/2019 7:00 AM 0.00 0.0 M M M
3/13/2019 7:00 AM 0.66 M M M M
3/15/2019 7:00 AM 0.00 0.0 M M M
3/16/2019 7:00 AM 0.00 0.0 M M M
3/17/2019 7:00 AM 0.00 0.0 M M M
3/18/2019 7:00 AM 0.00 0.0 M M M
3/19/2019 7:00 AM 0.00 0.0 M M M
3/20/2019 7:00 AM 0.00 0.0 M M M
3/22/2019 7:50 AM 0.01 M M M M Still snowing!!
3/23/2019 7:00 AM 0.03 M M M M
3/24/2019 7:00 AM T M M M M
3/26/2019 7:00 AM 0.00 0.0 M M M
3/27/2019 7:00 AM 0.00 0.0 M M M
3/28/2019 7:00 AM 0.00 0.0 M M M
3/29/2019 7:00 AM 0.00 0.0 M M M
3/30/2019 7:00 AM 0.09 M M M M
3/31/2019 7:00 AM 0.00 0.0 M M M
4/1/2019 7:00 AM 0.02 M M M M
4/2/2019 7:00 AM 0.03 M M M M
4/3/2019 7:00 AM 0.00 0.0 M M M
4/4/2019 7:00 AM 0.01 M M M M
4/5/2019 7:00 AM 0.00 0.0 M M M
4/6/2019 7:00 AM 0.00 0.0 M M M
4/7/2019 7:00 AM 0.07 M M M M
4/8/2019 7:00 AM 0.00 0.0 M M M
4/9/2019 7:00 AM 0.00 0.0 M M M
4/11/2019 7:00 AM 0.65 M M M M
4/13/2019 7:00 AM T M M M M
4/14/2019 7:00 AM 0.01 M M M M
4/15/2019 7:00 AM 0.00 0.0 M M M
4/16/2019 7:00 AM 0.00 0.0 M M M
4/17/2019 7:00 AM T M M M M
4/18/2019 7:00 AM T M M M M
4/20/2019 7:00 AM 0.00 0.0 M M M
4/21/2019 7:00 AM 0.00 0.0 M M M
4/22/2019 7:00 AM 0.00 0.0 M M M
4/23/2019 7:00 AM 0.12 M M M M
5/3/2019 7:00 AM 0.00 0.0 M M M
5/4/2019 7:00 AM 0.00 0.0 M M M
5/5/2019 7:00 AM 0.00 0.0 M M M
5/6/2019 7:00 AM 0.00 0.0 M M M
5/7/2019 7:00 AM 0.00 0.0 M M M
5/8/2019 7:00 AM 0.00 0.0 M M M
5/9/2019 7:00 AM 0.49 M M M M
5/10/2019 7:00 AM T M M M M
5/21/2019 7:00 AM 1.08 M M M M
5/22/2019 7:00 AM 0.15 M M M M
5/23/2019 7:00 AM 0.05 M M M M
5/24/2019 7:00 AM 0.34 M M M M
5/25/2019 7:00 AM 0.00 0.0 M M M
5/28/2019 7:00 AM 0.04 M M M M
5/31/2019 7:00 AM 0.00 0.0 M M M
6/1/2019 7:00 AM 0.00 0.0 M M M
6/2/2019 7:00 AM 0.00 0.0 M M M
6/3/2019 7:00 AM 0.00 0.0 M M M most of sample evaporated
6/4/2019 7:00 AM 0.00 0.0 M M M most of sample evaporated
6/5/2019 7:00 AM 0.00 0.0 M M M most of sample evaporated
6/6/2019 7:00 AM T M M M M most of sample evaporated
6/7/2019 7:00 AM 0.01 M M M M
6/8/2019 7:00 AM T M M M M
6/10/2019 7:00 AM 0.00 0.0 M M M
6/11/2019 7:00 AM 0.00 0.0 M M M
6/12/2019 7:00 AM 0.00 0.0 M M M
6/13/2019 7:00 AM 0.00 0.0 M M M
6/14/2019 7:00 AM 0.00 0.0 M M M
6/15/2019 7:00 AM 0.00 0.0 M M M
6/19/2019 6:45 AM 0.32 M M M M
6/20/2019 7:00 AM 0.00 0.0 M M M
6/21/2019 7:00 AM 0.10 M M M M
6/22/2019 7:00 AM 0.39 M M M M
6/23/2019 10:00 AM 0.28 M M M M
6/24/2019 7:00 AM 0.08 M M M M
6/26/2019 7:00 AM 0.00 0.0 M M M
6/27/2019 7:00 AM 0.00 0.0 M M M
6/28/2019 7:00 AM 0.00 0.0 M M M
6/29/2019 7:00 AM 0.00 0.0 M M M
7/1/2019 7:00 AM 0.38 M M M M
7/2/2019 7:00 AM 0.00 0.0 M M M
7/3/2019 7:00 AM 0.00 0.0 M M M
7/4/2019 7:00 AM 0.00 0.0 M M M
7/5/2019 7:00 AM 0.00 0.0 M M M
7/8/2019 7:00 AM 0.02 M M M M
7/9/2019 7:00 AM 0.04 M M M M
7/14/2019 7:00 AM 0.15 M M M M
7/15/2019 7:00 AM T M M M M
7/16/2019 7:00 AM 0.02 M M M M
7/17/2019 7:00 AM 0.00 0.0 M M M
7/27/2019 7:00 AM 0.07 M M M M
7/28/2019 7:00 AM 0.10 M M M M
7/31/2019 7:00 AM 0.17 M M M M
8/1/2019 7:00 AM 0.02 M M M M
8/2/2019 7:00 AM 0.05 M M M M
8/5/2019 7:00 AM 0.15 M M M M
8/21/2019 7:00 AM 0.00 0.0 M M M
8/22/2019 7:00 AM 0.00 0.0 M M M
8/23/2019 7:00 AM 0.00 0.0 M M M
8/24/2019 7:00 AM 0.00 0.0 M M M
8/25/2019 7:00 AM 0.00 0.0 M M M
8/26/2019 7:00 AM 0.00 0.0 M M M
8/27/2019 7:00 AM 0.00 0.0 M M M
8/28/2019 7:00 AM 0.00 0.0 M M M
8/29/2019 7:00 AM 0.00 0.0 M M M
8/30/2019 7:00 AM 0.00 0.0 M M M
8/31/2019 7:00 AM 0.00 0.0 M M M
9/1/2019 7:00 AM 0.00 0.0 M M M
9/2/2019 7:00 AM 0.00 0.0 M M M
9/3/2019 7:00 AM 0.00 0.0 M M M
9/4/2019 7:00 AM 0.00 0.0 M M M
9/5/2019 7:00 AM 0.00 0.0 M M M
9/6/2019 7:00 AM 0.02 M M M M
9/7/2019 7:00 AM 0.19 M M M M
9/8/2019 7:00 AM 0.00 0.0 M M M
9/9/2019 7:00 AM 0.13 M M M M
9/10/2019 7:00 AM 0.00 0.0 M M M
9/26/2019 7:00 AM 0.00 0.0 M M M
9/27/2019 7:00 AM 0.00 0.0 M M M
9/28/2019 7:00 AM 0.08 M M M M
9/29/2019 7:00 AM 0.00 0.0 M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
4/26/2019 5/02/2019 7:00 AM 7 1.67 M M
5/29/2019 5/30/2019 7:00 AM 2 0.28 M M
6/17/2019 6/18/2019 7:00 AM 2 0.09 M M



Observation Date Observation Time Notes Largest Stone Size Average Stone Size Smallest Stone Size Stone Consistency Duration Minutes Durration Accuracy Damage Timing More Rain than Hail Hail Started Largest Hail Started Angle of Impact Number of Stones on Pad Distance Between Stones on Pad Depth of Stones on Ground