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 16 1.05 0.00 13 0.00 13 0.00 0 0 0 3 0.0 0 0
Nov 16 1.05 0.38 7 0.38 7 0.00 0 0 2 0 0.0 0 0
Dec 16 1.21 3.05 24 3.05 24 0.00 0 0 12 4 0.0 0 0
Jan 17 0.93 2.58 16 2.58 16 0.00 0 0 10 1 0.0 0 0
Feb 17 0.95 0.09 5 0.09 5 0.00 0 0 2 0 0.0 0 0
March 17 1.32 0.92 11 0.92 11 0.00 0 0 4 1 0.0 0 0
April 17 1.45 1.88 19 1.88 19 0.00 0 0 14 0 0.0 0 0
May 17 1.23 2.65 13 2.65 13 0.00 0 0 8 0 0.0 0 0
June 17 1.23 0.18 19 0.18 19 0.00 0 0 5 3 0.0 0 0
July 17 1.57 2.01 12 2.01 12 0.00 0 0 7 1 0.0 0 0
Aug 17 1.49 0.84 15 0.84 15 0.00 0 0 12 0 0.0 0 0
Sept 17 1.28 1.23 22 1.23 22 0.00 0 0 11 2 0.0 0 0
Water Year Totals: 14.76" 15.81" 176 days 15.81" 176 0.00" 0 days 0 87 days 15 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
10/1/2016 0.00
10/2/2016 0.00
10/3/2016
10/4/2016
10/5/2016
10/6/2016
10/7/2016
10/8/2016
10/9/2016 0.00
10/10/2016
10/11/2016
10/12/2016
10/13/2016
10/14/2016
10/15/2016
10/16/2016
10/17/2016 0.00
10/18/2016
10/19/2016
10/20/2016 0.00
10/21/2016 0.00
10/22/2016
10/23/2016
10/24/2016 0.00
10/25/2016 T
10/26/2016 0.00
10/27/2016
10/28/2016 0.00
10/29/2016 T
10/30/2016 T
10/31/2016 0.00
11/1/2016 0.00
11/2/2016
11/3/2016
11/4/2016 0.00
11/5/2016 0.00
11/6/2016
11/7/2016
11/8/2016
11/9/2016
11/10/2016
11/11/2016
11/12/2016
11/13/2016
11/14/2016
11/15/2016
11/16/2016
11/17/2016
11/18/2016
11/19/2016
11/20/2016
11/21/2016
11/22/2016
11/23/2016
11/24/2016
11/25/2016
11/26/2016 0.00
11/27/2016
11/28/2016 0.30
11/29/2016 0.08
11/30/2016 0.00
12/1/2016
12/2/2016 T
12/3/2016 0.01
12/4/2016
12/5/2016 T
12/6/2016 0.24
12/7/2016 0.30
12/8/2016 0.04
12/9/2016 0.53
12/10/2016
12/11/2016 0.52
12/12/2016 0.00
12/13/2016 0.00
12/14/2016 0.08
12/15/2016 0.20
12/16/2016 0.00
12/17/2016 0.87
12/18/2016 0.00
12/19/2016
12/20/2016
12/21/2016 0.00
12/22/2016 0.00
12/23/2016 0.21
12/24/2016
12/25/2016
12/26/2016 0.01
12/27/2016 T
12/28/2016 0.04
12/29/2016 T
12/30/2016 0.00
12/31/2016 0.00
Day of YearDaily PrcpMultiday Prcp
1/1/2017
1/2/2017
1/3/2017
1/4/2017 0.20
1/5/2017 0.54
1/6/2017 0.21
1/7/2017
1/8/2017
1/9/2017
1/10/2017 0.63
1/11/2017 0.28
1/12/2017 0.30
1/13/2017 0.00
1/14/2017 0.00
1/15/2017
1/16/2017 0.06
1/17/2017
1/18/2017
1/19/2017 0.00
1/20/2017 0.08
1/21/2017
1/22/2017
1/23/2017
1/24/2017 0.21
1/25/2017 T
1/26/2017 0.07
1/27/2017 0.00
1/28/2017
1/29/2017 0.00
1/30/2017
1/31/2017
2/1/2017
2/2/2017 0.00
2/3/2017 0.06
2/4/2017 0.03
2/5/2017
2/6/2017
2/7/2017
2/8/2017
2/9/2017
2/10/2017
2/11/2017 0.00
2/12/2017
2/13/2017
2/14/2017
2/15/2017
2/16/2017 0.00
2/17/2017
2/18/2017
2/19/2017
2/20/2017
2/21/2017
2/22/2017
2/23/2017
2/24/2017
2/25/2017
2/26/2017
2/27/2017
2/28/2017
3/1/2017
3/2/2017
3/3/2017
3/4/2017
3/5/2017
3/6/2017
3/7/2017
3/8/2017
3/9/2017
3/10/2017
3/11/2017
3/12/2017
3/13/2017
3/14/2017
3/15/2017
3/16/2017 0.00
3/17/2017 0.00
3/18/2017
3/19/2017 0.00
3/20/2017 0.00
3/21/2017
3/22/2017
3/23/2017 0.00
3/24/2017 0.20
3/25/2017 T
3/26/2017 0.09
3/27/2017
3/28/2017 0.13
3/29/2017 0.50
3/30/2017
3/31/2017 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2017 0.02
4/2/2017 0.03
4/3/2017 0.15
4/4/2017 0.32
4/5/2017
4/6/2017 0.00
4/7/2017 0.00
4/8/2017 0.00
4/9/2017 0.04
4/10/2017
4/11/2017
4/12/2017
4/13/2017 0.00
4/14/2017
4/15/2017
4/16/2017
4/17/2017
4/18/2017
4/19/2017
4/20/2017 0.30
4/21/2017
4/22/2017 0.04
4/23/2017 0.00
4/24/2017 0.06
4/25/2017 0.29
4/26/2017 0.08
4/27/2017 0.16
4/28/2017 0.36
4/29/2017 0.02
4/30/2017 0.01
5/1/2017 0.01
5/2/2017 0.00
5/3/2017
5/4/2017
5/5/2017
5/6/2017
5/7/2017
5/8/2017
5/9/2017
5/10/2017
5/11/2017
5/12/2017
5/13/2017
5/14/2017
5/15/2017
5/16/2017 0.00
5/17/2017 0.00
5/18/2017 0.88
5/19/2017 1.06
5/20/2017 0.01
5/21/2017
5/22/2017 0.09
5/23/2017 0.43
5/24/2017 0.00
5/25/2017 0.00
5/26/2017 0.13
5/27/2017 0.04
5/28/2017
5/29/2017
5/30/2017
5/31/2017
6/1/2017
6/2/2017 0.04
6/3/2017 0.04
6/4/2017 0.00
6/5/2017
6/6/2017 T
6/7/2017 0.04
6/8/2017
6/9/2017 0.00
6/10/2017
6/11/2017 0.00
6/12/2017
6/13/2017
6/14/2017 0.00
6/15/2017
6/16/2017
6/17/2017 0.00
6/18/2017 T
6/19/2017 0.00
6/20/2017 0.00
6/21/2017 0.00
6/22/2017 0.03
6/23/2017 0.03
6/24/2017 0.00
6/25/2017
6/26/2017
6/27/2017 0.00
6/28/2017 0.00
6/29/2017 T
6/30/2017
Day of YearDaily PrcpMultiday Prcp
7/1/2017
7/2/2017
7/3/2017
7/4/2017 T
7/5/2017
7/6/2017
7/7/2017
7/8/2017
7/9/2017
7/10/2017 0.00
7/11/2017 0.31
7/12/2017 0.40
7/13/2017 0.90
7/14/2017 0.08
7/15/2017
7/16/2017 0.00
7/17/2017 0.00
7/18/2017
7/19/2017
7/20/2017 0.14
7/21/2017
7/22/2017 0.13
7/23/2017
7/24/2017
7/25/2017 0.00
7/26/2017 0.05
7/27/2017
7/28/2017
7/29/2017
7/30/2017
7/31/2017
8/1/2017
8/2/2017
8/3/2017 0.05
8/4/2017
8/5/2017 0.00
8/6/2017 0.05
8/7/2017 0.05
8/8/2017 0.20
8/9/2017 0.25
8/10/2017 0.12
8/11/2017 0.01
8/12/2017 0.01
8/13/2017 0.01
8/14/2017 0.01
8/15/2017 0.04
8/16/2017 0.04
8/17/2017
8/18/2017
8/19/2017
8/20/2017
8/21/2017
8/22/2017
8/23/2017
8/24/2017
8/25/2017
8/26/2017
8/27/2017 0.00
8/28/2017 0.00
8/29/2017
8/30/2017
8/31/2017
9/1/2017 0.15
9/2/2017
9/3/2017 0.00
9/4/2017 0.00
9/5/2017 0.00
9/6/2017
9/7/2017 0.00
9/8/2017 T
9/9/2017 0.01
9/10/2017 0.01
9/11/2017 0.35
9/12/2017 0.05
9/13/2017 0.00
9/14/2017
9/15/2017 0.15
9/16/2017 0.08
9/17/2017 0.00
9/18/2017 0.02
9/19/2017 0.00
9/20/2017
9/21/2017 0.00
9/22/2017
9/23/2017 0.00
9/24/2017 0.35
9/25/2017
9/26/2017
9/27/2017
9/28/2017 0.03
9/29/2017 0.03
9/30/2017 T



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2016 7:00 AM 0.00 0.0 M M M
10/2/2016 7:00 AM 0.00 0.0 M M M
10/9/2016 7:00 AM 0.00 0.0 M M M
10/17/2016 7:00 AM 0.00 0.0 M M M
10/20/2016 7:00 AM 0.00 0.0 M M M
10/21/2016 7:00 AM 0.00 0.0 M M M
10/24/2016 7:00 AM 0.00 0.0 M M M
10/25/2016 7:00 AM T M M M M
10/26/2016 7:00 AM 0.00 0.0 M M M
10/28/2016 7:00 AM 0.00 0.0 M M M
10/29/2016 7:00 AM T M M M M
10/30/2016 7:00 AM T M M M M
10/31/2016 7:00 AM 0.00 0.0 M M M
11/1/2016 7:00 AM 0.00 0.0 M M M
11/4/2016 7:00 AM 0.00 0.0 M M M
11/5/2016 7:00 AM 0.00 0.0 M M M
11/26/2016 7:00 AM 0.00 0.0 M M M
11/28/2016 7:00 AM 0.30 M M M M
11/29/2016 7:00 AM 0.08 M M M M
11/30/2016 7:00 AM 0.00 0.0 M M M
12/2/2016 7:00 AM T M M M M
12/3/2016 7:00 AM 0.01 M M M M
12/5/2016 7:00 AM T M M M M
12/6/2016 7:00 AM 0.24 M M M M
12/7/2016 7:00 AM 0.30 M M M M
12/8/2016 7:00 AM 0.04 M M M M
12/9/2016 7:00 AM 0.53 M M M M This is an under-estimate because the collection tube was overflowing!
12/11/2016 7:00 AM 0.52 M M M M
12/12/2016 7:00 AM 0.00 0.0 M M M
12/13/2016 7:00 AM 0.00 0.0 M M M
12/14/2016 8:00 AM 0.08 M M M M still snowing
12/15/2016 7:00 AM 0.20 M M M M
12/16/2016 7:00 AM 0.00 0.0 M M M
12/17/2016 8:00 AM 0.87 M M M M Gauge was overflowing.
12/18/2016 7:00 AM 0.00 0.0 M M M
12/21/2016 7:00 AM 0.00 0.0 M M M
12/22/2016 7:00 AM 0.00 0.0 M M M
12/23/2016 7:00 AM 0.21 M M M M
12/26/2016 7:00 AM 0.01 M M M M yesterday= 0.02. forgot to post.
12/27/2016 7:00 AM T M M M M
12/28/2016 7:00 AM 0.04 M M M M still snowing
12/29/2016 7:00 AM T M M M M
12/30/2016 7:00 AM 0.00 0.0 M M M
12/31/2016 7:00 AM 0.00 0.0 M M M
1/4/2017 9:00 AM 0.20 M M M M still snowing
1/5/2017 7:00 AM 0.54 M M M M still snowing
1/6/2017 7:00 AM 0.21 M M M M
1/10/2017 7:00 AM 0.63 M M M M Previous 2 days (combined) was 0.5. I don't know how to enter combined days.
1/11/2017 7:00 AM 0.28 M M M M
1/12/2017 7:00 AM 0.30 M M M M
1/13/2017 7:00 AM 0.00 0.0 M M M
1/14/2017 7:00 AM 0.00 0.0 M M M
1/16/2017 7:00 AM 0.06 M M M M
1/19/2017 7:00 AM 0.00 0.0 M M M
1/20/2017 10:00 AM 0.08 M M M M
1/24/2017 7:00 AM 0.21 M M M M
1/25/2017 7:00 AM T M M M M
1/26/2017 7:00 AM 0.07 M M M M
1/27/2017 7:00 AM 0.00 0.0 M M M
1/29/2017 7:00 AM 0.00 0.0 M M M
2/2/2017 7:00 AM 0.00 0.0 M M M
2/3/2017 7:00 AM 0.06 M M M M
2/4/2017 9:00 AM 0.03 M M M M
2/11/2017 7:00 AM 0.00 0.0 M M M
2/16/2017 7:00 AM 0.00 0.0 M M M
3/16/2017 7:00 AM 0.00 0.0 M M M
3/17/2017 7:00 AM 0.00 0.0 M M M
3/19/2017 7:00 AM 0.00 0.0 M M M
3/20/2017 7:00 AM 0.00 0.0 M M M
3/23/2017 7:00 AM 0.00 0.0 M M M
3/24/2017 7:00 AM 0.20 M M M M
3/25/2017 7:00 AM T M M M M
3/26/2017 7:00 AM 0.09 M M M M
3/28/2017 7:00 AM 0.13 M M M M
3/29/2017 7:00 AM 0.50 M M M M
3/31/2017 7:00 AM 0.00 0.0 M M M
4/1/2017 7:00 AM 0.02 M M M M
4/2/2017 7:00 AM 0.03 M M M M
4/3/2017 7:00 AM 0.15 M M M M
4/4/2017 9:00 AM 0.32 M M M M
4/6/2017 7:00 AM 0.00 0.0 M M M {EDIT: Observer reported 0.18 of new precip. QPE data and surrounding reports of 0.00's indicate this could be an error. Changed report of 0.18 to NA until observer can be contacted to verify. Submission Time Before EDIT: 4/06/2017 10:37 AM CoCoSTAFF DNT}Sorry, This was accumulation from two days!!!
4/7/2017 7:00 AM 0.00 0.0 M M M
4/8/2017 7:00 AM 0.00 0.0 M M M
4/9/2017 7:00 AM 0.04 M M M M
4/13/2017 7:00 AM 0.00 0.0 M M M
4/20/2017 7:00 AM 0.30 M M M M
4/22/2017 7:00 AM 0.04 M M M M
4/23/2017 7:00 AM 0.00 0.0 M M M
4/24/2017 7:00 AM 0.06 M M M M
4/25/2017 9:00 AM 0.29 M M M M
4/26/2017 7:00 AM 0.08 M M M M
4/27/2017 7:00 AM 0.16 M M M M
4/28/2017 7:00 AM 0.36 M M M M
4/29/2017 7:00 AM 0.02 M M M M
4/30/2017 7:00 AM 0.01 M M M M
5/1/2017 7:00 AM 0.01 M M M M
5/2/2017 7:00 AM 0.00 0.0 M M M
5/16/2017 7:00 AM 0.00 0.0 M M M
5/17/2017 7:00 AM 0.00 0.0 M M M
5/18/2017 7:00 AM 0.88 M M M M Underestimate because collection vessel was over-flowing. Still snowing!
5/19/2017 7:00 AM 1.06 M M M M
5/20/2017 7:00 AM 0.01 M M M M
5/22/2017 7:00 AM 0.09 M M M M
5/23/2017 7:00 AM 0.43 M M M M
5/24/2017 7:00 AM 0.00 0.0 M M M
5/25/2017 7:00 AM 0.00 0.0 M M M
5/26/2017 7:00 AM 0.13 M M M M
5/27/2017 7:00 AM 0.04 M M M M
6/2/2017 7:00 AM 0.04 M M M M
6/3/2017 7:00 AM 0.04 M M M M
6/4/2017 7:00 AM 0.00 0.0 M M M
6/6/2017 7:00 AM T M M M M
6/7/2017 7:00 AM 0.04 M M M M
6/9/2017 7:00 AM 0.00 0.0 M M M
6/11/2017 7:00 AM 0.00 0.0 M M M
6/14/2017 7:00 AM 0.00 0.0 M M M
6/17/2017 7:00 AM 0.00 0.0 M M M
6/18/2017 7:00 AM T M M M M
6/19/2017 7:00 AM 0.00 0.0 M M M
6/20/2017 7:00 AM 0.00 0.0 M M M
6/21/2017 7:00 AM 0.00 0.0 M M M
6/22/2017 7:00 AM 0.03 M M M M
6/23/2017 7:00 AM 0.03 M M M M
6/24/2017 7:00 AM 0.00 0.0 M M M
6/27/2017 7:00 AM 0.00 0.0 M M M
6/28/2017 7:00 AM 0.00 0.0 M M M
6/29/2017 6:45 AM T M M M M
7/4/2017 7:00 AM T M M M M
7/10/2017 7:00 AM 0.00 0.0 M M M
7/11/2017 7:00 AM 0.31 M M M M
7/12/2017 7:00 AM 0.40 M M M M
7/13/2017 7:00 AM 0.90 M M M M
7/14/2017 7:00 AM 0.08 M M M M
7/16/2017 7:00 AM 0.00 0.0 M M M
7/17/2017 7:00 AM 0.00 0.0 M M M
7/20/2017 7:00 AM 0.14 M M M M
7/22/2017 7:00 AM 0.13 M M M M
7/25/2017 7:00 AM 0.00 0.0 M M M
7/26/2017 7:00 AM 0.05 M M M M
8/3/2017 7:00 AM 0.05 M M M M
8/5/2017 7:00 AM 0.00 0.0 M M M
8/6/2017 7:00 AM 0.05 M M M M
8/7/2017 7:00 AM 0.05 M M M M
8/8/2017 7:00 AM 0.20 M M M M
8/9/2017 7:00 AM 0.25 M M M M
8/10/2017 7:00 AM 0.12 M M M M
8/11/2017 7:00 AM 0.01 M M M M
8/12/2017 7:00 AM 0.01 M M M M
8/13/2017 7:00 AM 0.01 M M M M
8/14/2017 7:00 AM 0.01 M M M M
8/15/2017 7:00 AM 0.04 M M M M
8/16/2017 7:00 AM 0.04 M M M M
8/27/2017 7:00 AM 0.00 0.0 M M M
8/28/2017 7:00 AM 0.00 0.0 M M M
9/1/2017 7:00 AM 0.15 M M M M
9/3/2017 7:00 AM 0.00 0.0 M M M
9/4/2017 7:00 AM 0.00 0.0 M M M
9/5/2017 7:00 AM 0.00 0.0 M M M
9/7/2017 7:00 AM 0.00 0.0 M M M
9/8/2017 7:00 AM T M M M M
9/9/2017 7:00 AM 0.01 M M M M
9/10/2017 7:00 AM 0.01 M M M M
9/11/2017 7:00 AM 0.35 M M M M
9/12/2017 7:00 AM 0.05 M M M M
9/13/2017 7:00 AM 0.00 0.0 M M M
9/15/2017 7:00 AM 0.15 M M M M
9/16/2017 7:00 AM 0.08 M M M M
9/17/2017 7:00 AM 0.00 0.0 M M M
9/18/2017 7:00 AM 0.02 0.0 M M M
9/19/2017 7:00 AM 0.00 0.0 M M M
9/21/2017 7:00 AM 0.00 0.0 M M M
9/23/2017 7:00 AM 0.00 0.0 M M M
9/24/2017 7:00 AM 0.35 M M M M
9/28/2017 7:00 AM 0.03 M M M M
9/29/2017 7:00 AM 0.03 M M M M
9/30/2017 7:00 AM T M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes



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