Station Overview Station Location
Station Number CO-SU-66 Latitude 39.662463
Station Name Silverthorne 1.2 NE Longitude -106.064482
County Summit Elevation (ft) 9374



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 1.24 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Nov 16 1.17 0.50 3 0.50 3 0.00 0 0 2 1 7.9 2 3
Dec 16 1.19 2.67 21 2.67 21 0.00 0 0 7 4 49.5 11 0
Jan 17 0.98 4.09 9 4.09 9 0.00 0 0 9 0 59.9 9 0
Feb 17 1.02 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
March 17 1.25 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 17 1.71 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
May 17 1.43 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
June 17 1.37 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
July 17 1.86 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Aug 17 1.86 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Sept 17 1.46 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Water Year Totals: 16.54" 7.26" 33 days 7.26" 33 0.00" 0 days 0 18 days 5 days 117.3" 22 days 3 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
10/2/2016
10/3/2016
10/4/2016
10/5/2016
10/6/2016
10/7/2016
10/8/2016
10/9/2016
10/10/2016
10/11/2016
10/12/2016
10/13/2016
10/14/2016
10/15/2016
10/16/2016
10/17/2016
10/18/2016
10/19/2016
10/20/2016
10/21/2016
10/22/2016
10/23/2016
10/24/2016
10/25/2016
10/26/2016
10/27/2016
10/28/2016
10/29/2016
10/30/2016
10/31/2016
11/1/2016
11/2/2016
11/3/2016
11/4/2016
11/5/2016
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
11/27/2016
11/28/2016 0.33
11/29/2016 0.17
11/30/2016 T
12/1/2016 T
12/2/2016 T
12/3/2016 M
12/4/2016 M
12/5/2016 T
12/6/2016 0.16
12/7/2016 0.34
12/8/2016 M
12/9/2016
12/10/2016 0.00
12/11/2016 0.62
12/12/2016 0.00
12/13/2016 0.00
12/14/2016 M
12/15/2016 M
12/16/2016 0.00
12/17/2016 0.85
12/18/2016 0.33
12/19/2016 0.00
12/20/2016 0.00
12/21/2016 0.00
12/22/2016 0.00
12/23/2016 0.22
12/24/2016 0.00
12/25/2016 T
12/26/2016 0.15
12/27/2016 0.00
12/28/2016
12/29/2016
12/30/2016
12/31/2016
Day of YearDaily PrcpMultiday Prcp
1/1/2017
1/2/2017
1/3/2017 0.05
1/4/2017 0.24
1/5/2017 0.87
1/6/2017 0.36
1/7/2017 0.18
1/8/2017
1/9/2017 0.79
1/10/2017 0.88
1/11/2017 0.31
1/12/2017 0.41
1/13/2017
1/14/2017
1/15/2017
1/16/2017
1/17/2017
1/18/2017
1/19/2017
1/20/2017
1/21/2017
1/22/2017
1/23/2017
1/24/2017
1/25/2017
1/26/2017
1/27/2017
1/28/2017
1/29/2017
1/30/2017
1/31/2017
2/1/2017
2/2/2017
2/3/2017
2/4/2017
2/5/2017
2/6/2017
2/7/2017
2/8/2017
2/9/2017
2/10/2017
2/11/2017
2/12/2017
2/13/2017
2/14/2017
2/15/2017
2/16/2017
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
3/17/2017
3/18/2017
3/19/2017
3/20/2017
3/21/2017
3/22/2017
3/23/2017
3/24/2017
3/25/2017
3/26/2017
3/27/2017
3/28/2017
3/29/2017
3/30/2017
3/31/2017
Day of YearDaily PrcpMultiday Prcp
4/1/2017
4/2/2017
4/3/2017
4/4/2017
4/5/2017
4/6/2017
4/7/2017
4/8/2017
4/9/2017
4/10/2017
4/11/2017
4/12/2017
4/13/2017
4/14/2017
4/15/2017
4/16/2017
4/17/2017
4/18/2017
4/19/2017
4/20/2017
4/21/2017
4/22/2017
4/23/2017
4/24/2017
4/25/2017
4/26/2017
4/27/2017
4/28/2017
4/29/2017
4/30/2017
5/1/2017
5/2/2017
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
5/17/2017
5/18/2017
5/19/2017
5/20/2017
5/21/2017
5/22/2017
5/23/2017
5/24/2017
5/25/2017
5/26/2017
5/27/2017
5/28/2017
5/29/2017
5/30/2017
5/31/2017
6/1/2017
6/2/2017
6/3/2017
6/4/2017
6/5/2017
6/6/2017
6/7/2017
6/8/2017
6/9/2017
6/10/2017
6/11/2017
6/12/2017
6/13/2017
6/14/2017
6/15/2017
6/16/2017
6/17/2017
6/18/2017
6/19/2017
6/20/2017
6/21/2017
6/22/2017
6/23/2017
6/24/2017
6/25/2017
6/26/2017
6/27/2017
6/28/2017
6/29/2017
6/30/2017
Day of YearDaily PrcpMultiday Prcp
7/1/2017
7/2/2017
7/3/2017
7/4/2017
7/5/2017
7/6/2017
7/7/2017
7/8/2017
7/9/2017
7/10/2017
7/11/2017
7/12/2017
7/13/2017
7/14/2017
7/15/2017
7/16/2017
7/17/2017
7/18/2017
7/19/2017
7/20/2017
7/21/2017
7/22/2017
7/23/2017
7/24/2017
7/25/2017
7/26/2017
7/27/2017
7/28/2017
7/29/2017
7/30/2017
7/31/2017
8/1/2017
8/2/2017
8/3/2017
8/4/2017
8/5/2017
8/6/2017
8/7/2017
8/8/2017
8/9/2017
8/10/2017
8/11/2017
8/12/2017
8/13/2017
8/14/2017
8/15/2017
8/16/2017
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
8/28/2017
8/29/2017
8/30/2017
8/31/2017
9/1/2017
9/2/2017
9/3/2017
9/4/2017
9/5/2017
9/6/2017
9/7/2017
9/8/2017
9/9/2017
9/10/2017
9/11/2017
9/12/2017
9/13/2017
9/14/2017
9/15/2017
9/16/2017
9/17/2017
9/18/2017
9/19/2017
9/20/2017
9/21/2017
9/22/2017
9/23/2017
9/24/2017
9/25/2017
9/26/2017
9/27/2017
9/28/2017
9/29/2017
9/30/2017



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
11/28/2016 7:00 AM 0.33 5.3 0.33 4.5 M
11/29/2016 7:00 AM 0.17 2.6 0.17 4.5 M
11/30/2016 7:00 AM T T M 3.0 M
12/1/2016 7:00 AM T T M M M
12/2/2016 7:00 AM T T M M M
12/3/2016 7:00 AM M 0.3 M M M
12/4/2016 7:00 AM M T M M M
12/5/2016 7:00 AM T T M M M
12/6/2016 7:00 AM 0.16 2.9 M M M
12/7/2016 7:00 AM 0.34 4.4 M M M
12/8/2016 7:00 AM M 1.5 M M M
12/10/2016 7:00 AM 0.00 0.0 M M M
12/11/2016 7:00 AM 0.62 9.1 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 7:00 AM M 1.4 M M M
12/15/2016 7:00 AM M 5.3 M M M
12/16/2016 7:00 AM 0.00 0.0 M M M
12/17/2016 7:00 AM 0.85 14.3 M M M
12/18/2016 7:00 AM 0.33 3.1 M M M
12/19/2016 7:00 AM 0.00 0.0 M M M
12/20/2016 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 0.22 4.8 M M M
12/24/2016 7:00 AM 0.00 0.0 M M M
12/25/2016 7:00 AM T T M M M
12/26/2016 7:00 AM 0.15 2.4 M M M
12/27/2016 7:00 AM 0.00 0.0 M M M
1/3/2017 7:00 AM 0.05 1.3 M M M
1/4/2017 7:00 AM 0.24 3.4 M M M
1/5/2017 7:00 AM 0.87 19.5 M M M
1/6/2017 7:00 AM 0.36 4.4 M M M
1/7/2017 7:00 AM 0.18 2.3 M M M
1/9/2017 7:00 AM 0.79 3.0 M M M Monday morning, there was 3.0" in the collection gauge at 7:00 a.m. After this point, the precip became a combination of snow and rain throughout the day, then it turned to all snow about 4:00 pm on Monday
1/10/2017 7:00 AM 0.88 14.8 M M M From Mon 7:00 to Tues 7:00, some of the precip was snow and some mixed very wet snow. On Tuesday morning, my collection gauge was completely filled with snow. The .88" that is reported as 'melted' is only from the 12 inches in the gauge, even though we had an additional 2.8" over the 12" in the gauge.
1/11/2017 7:00 AM 0.31 5.1 M M M
1/12/2017 7:00 AM 0.41 6.1 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