Station Overview Station Location
Station Number CO-JF-267 Latitude 39.77385
Station Name Golden 9.4 WNW Longitude -105.38644
County Jefferson Elevation (ft) 8730



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 17 1.43 1.30 31 0.25 11 1.05 20 2 4 0 2.0 1 1
Nov 17 1.05 0.36 29 0.36 29 0.00 0 0 4 6 3.6 3 0
Dec 17 0.82 0.49 29 0.49 29 0.00 0 0 8 0 8.7 8 1
Jan 18 0.60 0.58 30 0.58 22 0.00 8 1 3 1 9.6 3 1
Feb 18 0.70 0.81 28 0.81 25 0.00 3 0 7 6 10.9 7 2
March 18 1.99 0.76 31 0.00 1 0.76 30 1 0 0 0.0 0 0
April 18 2.61 0.80 28 0.22 23 0.58 5 1 3 8 2.2 2 0
May 18 2.39 3.04 30 3.04 30 0.00 0 0 13 2 10.6 3 0
June 18 2.23 1.34 29 1.34 29 0.00 0 0 9 3 0.0 0 0
July 18 2.38 1.96 30 1.96 30 0.00 0 0 11 3 0.0 0 0
Aug 18 2.71 0.36 31 0.36 31 0.00 0 0 7 6 0.0 0 0
Sept 18 1.64 1.15 30 1.15 27 0.00 3 0 7 3 0.0 0 0
Water Year Totals: 20.55" 12.95" 356 days 10.56" 287 2.39" 69 days 5 76 days 38 days 47.6" 27 days 5 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
10/1/2017 0.07
10/2/2017 **
10/3/2017 **
10/4/2017 **
10/5/2017 **
10/6/2017 **
10/7/2017 **
10/8/2017 **
10/9/2017 **
10/10/2017 **
10/11/2017 **
10/12/2017 **
10/13/2017 **
10/14/2017 **
10/15/2017 1.05
10/16/2017 0.00
10/17/2017 0.00
10/18/2017 0.00
10/19/2017 0.00
10/20/2017 0.00
10/21/2017 **
10/22/2017 **
10/23/2017 **
10/24/2017 **
10/25/2017 **
10/26/2017 0.00
10/27/2017 0.12
10/28/2017 0.00
10/29/2017 0.00
10/30/2017 0.05
10/31/2017 0.01
11/1/2017 0.00
11/2/2017 0.00
11/3/2017 0.00
11/4/2017 0.00
11/5/2017 T
11/6/2017 T
11/7/2017 0.09
11/8/2017 0.10
11/9/2017 0.00
11/10/2017 0.00
11/11/2017 0.00
11/12/2017 0.00
11/13/2017 0.00
11/14/2017 0.00
11/15/2017 0.00
11/16/2017 0.00
11/17/2017 0.00
11/18/2017 0.15
11/19/2017 0.00
11/20/2017
11/21/2017 T
11/22/2017 0.02
11/23/2017 0.00
11/24/2017 0.00
11/25/2017 T
11/26/2017 0.00
11/27/2017 0.00
11/28/2017 T
11/29/2017 T
11/30/2017 0.00
12/1/2017 0.00
12/2/2017 0.00
12/3/2017 0.00
12/4/2017 0.02
12/5/2017 0.00
12/6/2017 0.00
12/7/2017 0.00
12/8/2017 0.03
12/9/2017 0.00
12/10/2017 0.00
12/11/2017 0.00
12/12/2017 0.00
12/13/2017 0.00
12/14/2017 0.16
12/15/2017 0.00
12/16/2017
12/17/2017 0.00
12/18/2017 0.00
12/19/2017 0.00
12/20/2017
12/21/2017 0.06
12/22/2017 0.01
12/23/2017 0.00
12/24/2017 0.11
12/25/2017 0.05
12/26/2017 0.05
12/27/2017 0.00
12/28/2017 0.00
12/29/2017 0.00
12/30/2017 0.00
12/31/2017 0.00
Day of YearDaily PrcpMultiday Prcp
1/1/2018 T
1/2/2018 0.00
1/3/2018 0.00
1/4/2018 0.00
1/5/2018 0.00
1/6/2018
1/7/2018 0.00
1/8/2018 0.00
1/9/2018 0.00
1/10/2018 0.00
1/11/2018 **
1/12/2018 **
1/13/2018 **
1/14/2018 **
1/15/2018 **
1/16/2018 **
1/17/2018 **
1/18/2018 M
1/19/2018 0.00
1/20/2018 0.00
1/21/2018 0.41
1/22/2018 0.16
1/23/2018 0.00
1/24/2018 0.00
1/25/2018 0.00
1/26/2018 0.01
1/27/2018 0.00
1/28/2018 0.00
1/29/2018 0.00
1/30/2018 0.00
1/31/2018 0.00
2/1/2018 0.04
2/2/2018 T
2/3/2018 T
2/4/2018 0.00
2/5/2018 0.03
2/6/2018 0.10
2/7/2018 0.00
2/8/2018 T
2/9/2018 0.00
2/10/2018 0.02
2/11/2018 0.09
2/12/2018 0.00
2/13/2018 0.00
2/14/2018 0.00
2/15/2018 0.00
2/16/2018 T
2/17/2018 0.00
2/18/2018 0.00
2/19/2018 T
2/20/2018 0.37
2/21/2018 0.00
2/22/2018 0.00
2/23/2018 0.16
2/24/2018 T
2/25/2018 0.00
2/26/2018 **
2/27/2018 **
2/28/2018 **
3/1/2018 **
3/2/2018 **
3/3/2018 **
3/4/2018 **
3/5/2018 **
3/6/2018 **
3/7/2018 **
3/8/2018 **
3/9/2018 **
3/10/2018 **
3/11/2018 **
3/12/2018 **
3/13/2018 **
3/14/2018 **
3/15/2018 **
3/16/2018 **
3/17/2018 **
3/18/2018 **
3/19/2018 **
3/20/2018 **
3/21/2018 **
3/22/2018 **
3/23/2018 **
3/24/2018 **
3/25/2018 **
3/26/2018 **
3/27/2018 **
3/28/2018 **
3/29/2018 **
3/30/2018 0.76
3/31/2018 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2018 0.02
4/2/2018 0.00
4/3/2018 T
4/4/2018 0.00
4/5/2018 0.00
4/6/2018 T
4/7/2018 0.19
4/8/2018 0.01
4/9/2018 T
4/10/2018 T
4/11/2018 0.00
4/12/2018
4/13/2018 0.00
4/14/2018 T
4/15/2018 0.00
4/16/2018 0.00
4/17/2018 0.00
4/18/2018 T
4/19/2018 0.00
4/20/2018 0.00
4/21/2018 **
4/22/2018 **
4/23/2018 **
4/24/2018 **
4/25/2018 0.58
4/26/2018 0.00
4/27/2018 T
4/28/2018 0.00
4/29/2018
4/30/2018 T
5/1/2018 T
5/2/2018 0.09
5/3/2018 1.19
5/4/2018 0.55
5/5/2018 0.00
5/6/2018 0.00
5/7/2018 0.00
5/8/2018 0.00
5/9/2018 0.00
5/10/2018 0.00
5/11/2018 0.00
5/12/2018 0.01
5/13/2018 0.30
5/14/2018 0.09
5/15/2018 0.02
5/16/2018 0.04
5/17/2018 0.00
5/18/2018 0.00
5/19/2018 0.18
5/20/2018 0.30
5/21/2018 0.15
5/22/2018 T
5/23/2018 0.00
5/24/2018 0.00
5/25/2018
5/26/2018 0.00
5/27/2018 0.00
5/28/2018 0.00
5/29/2018 0.10
5/30/2018 0.00
5/31/2018 0.02
6/1/2018 0.00
6/2/2018 0.00
6/3/2018 0.00
6/4/2018 0.02
6/5/2018 0.00
6/6/2018 T
6/7/2018 0.06
6/8/2018 T
6/9/2018 0.00
6/10/2018 0.00
6/11/2018
6/12/2018 0.00
6/13/2018 0.00
6/14/2018 0.00
6/15/2018 0.00
6/16/2018 0.02
6/17/2018 0.02
6/18/2018 0.86
6/19/2018 0.12
6/20/2018 0.02
6/21/2018 T
6/22/2018 0.00
6/23/2018 0.06
6/24/2018 0.00
6/25/2018 0.16
6/26/2018 0.00
6/27/2018 0.00
6/28/2018 0.00
6/29/2018 0.00
6/30/2018 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2018 T
7/2/2018 0.00
7/3/2018 0.00
7/4/2018 T
7/5/2018 0.00
7/6/2018 T
7/7/2018 0.00
7/8/2018 0.00
7/9/2018 0.00
7/10/2018
7/11/2018 0.00
7/12/2018 0.00
7/13/2018 0.25
7/14/2018 0.00
7/15/2018 0.00
7/16/2018 0.45
7/17/2018 0.00
7/18/2018 0.10
7/19/2018 0.00
7/20/2018 0.00
7/21/2018 0.00
7/22/2018 0.04
7/23/2018 0.48
7/24/2018 0.21
7/25/2018 0.13
7/26/2018 0.23
7/27/2018 0.03
7/28/2018 0.03
7/29/2018 0.00
7/30/2018 0.01
7/31/2018 0.00
8/1/2018 0.00
8/2/2018 0.00
8/3/2018 0.00
8/4/2018 0.13
8/5/2018 T
8/6/2018 0.05
8/7/2018 T
8/8/2018 0.00
8/9/2018 T
8/10/2018 0.00
8/11/2018 0.00
8/12/2018 0.00
8/13/2018 0.00
8/14/2018 0.00
8/15/2018 0.05
8/16/2018 0.00
8/17/2018 0.01
8/18/2018 0.00
8/19/2018 0.02
8/20/2018 T
8/21/2018 0.00
8/22/2018 0.09
8/23/2018 T
8/24/2018 0.00
8/25/2018 0.01
8/26/2018 T
8/27/2018 0.00
8/28/2018 0.00
8/29/2018 0.00
8/30/2018 0.00
8/31/2018 0.00
9/1/2018 T
9/2/2018 0.05
9/3/2018 0.00
9/4/2018 0.00
9/5/2018 0.44
9/6/2018 0.50
9/7/2018 0.01
9/8/2018 0.00
9/9/2018 T
9/10/2018 0.00
9/11/2018 0.00
9/12/2018 0.04
9/13/2018 0.00
9/14/2018 0.00
9/15/2018 0.00
9/16/2018 0.00
9/17/2018 0.00
9/18/2018 T
9/19/2018 0.00
9/20/2018 0.04
9/21/2018 0.00
9/22/2018 0.00
9/23/2018 0.00
9/24/2018 0.00
9/25/2018 0.07
9/26/2018 0.00
9/27/2018 0.00
9/28/2018 **
9/29/2018 **
9/30/2018 **



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2017 7:00 AM 0.07 M M M M
10/16/2017 7:00 AM 0.00 0.0 M M M
10/17/2017 7:00 AM 0.00 0.0 M M M
10/18/2017 7:00 AM 0.00 0.0 M M M
10/19/2017 7:00 AM 0.00 0.0 M M M
10/20/2017 7:00 AM 0.00 0.0 M M M
10/27/2017 7:00 AM 0.12 2.0 M 2.0 M
10/28/2017 7:00 AM 0.00 0.0 M M M
10/29/2017 7:00 AM 0.00 0.0 M M M
10/30/2017 7:00 AM 0.05 M M M M Ice fog and freezing rain
10/31/2017 7:00 AM 0.01 T M M M
11/1/2017 7:00 AM 0.00 0.0 M M M
11/2/2017 7:00 AM 0.00 0.0 M M M
11/3/2017 7:00 AM 0.00 0.0 M M M
11/4/2017 7:00 AM 0.00 0.0 M M M
11/5/2017 7:00 AM T M M M M
11/6/2017 7:00 AM T M M M M
11/7/2017 7:00 AM 0.09 1.0 0.12 M M
11/8/2017 7:00 AM 0.10 1.1 0.13 M M
11/9/2017 7:00 AM 0.00 0.0 M M M
11/10/2017 7:00 AM 0.00 0.0 M M M
11/11/2017 7:00 AM 0.00 0.0 M M M
11/12/2017 7:00 AM 0.00 0.0 M M M
11/13/2017 7:00 AM 0.00 0.0 M M M
11/14/2017 7:00 AM 0.00 0.0 M M M
11/15/2017 7:00 AM 0.00 0.0 M M M
11/16/2017 7:00 AM 0.00 0.0 M M M
11/17/2017 7:00 AM 0.00 0.0 M M M
11/18/2017 7:00 AM 0.15 1.5 0.15 M M Very light episodic drizzle in the morning. Snow started about 5 PM.
11/19/2017 7:00 AM 0.00 0.0 M M M
11/21/2017 7:00 AM T T M M M
11/22/2017 7:00 AM 0.02 M M M M Fell as light snow in the morning of 11/21, then melted.
11/23/2017 7:00 AM 0.00 0.0 M M M
11/24/2017 7:00 AM 0.00 0.0 M M M
11/25/2017 7:00 AM T 0.0 M M M spatter of raindrops fell about 4:30 PM
11/26/2017 7:00 AM 0.00 0.0 M M M
11/27/2017 7:00 AM 0.00 0.0 M M M
11/28/2017 7:00 AM T M M M M
11/29/2017 7:00 AM T M M M M
11/30/2017 7:00 AM 0.00 0.0 M M M
12/1/2017 7:00 AM 0.00 0.0 M M M
12/2/2017 7:00 AM 0.00 0.0 M M M
12/3/2017 7:00 AM 0.00 0.0 M M M
12/4/2017 7:00 AM 0.02 0.1 0.02 0.0 M
12/5/2017 7:00 AM 0.00 0.0 M M M
12/6/2017 7:00 AM 0.00 0.0 M M M
12/7/2017 7:00 AM 0.00 0.0 M M M
12/8/2017 7:00 AM 0.03 0.3 0.02 M M
12/9/2017 7:00 AM 0.00 0.0 M M M
12/10/2017 7:00 AM 0.00 0.0 M M M
12/11/2017 7:00 AM 0.00 0.0 M M M
12/12/2017 7:00 AM 0.00 0.0 M M M
12/13/2017 7:00 AM 0.00 0.0 M M M
12/14/2017 7:00 AM 0.16 2.2 0.18 M M
12/15/2017 7:00 AM 0.00 0.0 M M M
12/17/2017 7:00 AM 0.00 0.0 M M M Some light frost, no precip
12/18/2017 7:00 AM 0.00 0.0 M M M
12/19/2017 7:00 AM 0.00 0.0 M M M
12/21/2017 7:00 AM 0.06 2.3 0.09 M M
12/22/2017 7:00 AM 0.01 0.2 0.01 M M
12/23/2017 7:00 AM 0.00 0.0 M M M
12/24/2017 7:00 AM 0.11 2.3 0.17 M M
12/25/2017 7:00 AM 0.05 0.6 0.06 M M
12/26/2017 7:00 AM 0.05 0.7 0.06 2.0 0.23
12/27/2017 7:00 AM 0.00 0.0 M M M
12/28/2017 7:00 AM 0.00 0.0 M M M
12/29/2017 7:00 AM 0.00 0.0 M M M
12/30/2017 7:00 AM 0.00 0.0 M M M
12/31/2017 7:00 AM 0.00 0.0 M M M light ice fog, no precip
1/1/2018 7:00 AM T M M M M
1/2/2018 7:00 AM 0.00 0.0 M M M
1/3/2018 7:00 AM 0.00 0.0 M M M
1/4/2018 7:00 AM 0.00 0.0 M M M
1/5/2018 7:00 AM 0.00 0.0 M M M
1/7/2018 7:00 AM 0.00 0.0 M M M
1/8/2018 7:00 AM 0.00 0.0 M M M
1/9/2018 7:00 AM 0.00 0.0 M M M
1/10/2018 7:00 AM 0.00 0.0 M M M
1/19/2018 7:00 AM 0.00 0.0 M M M
1/20/2018 7:00 AM 0.00 0.0 M M M
1/21/2018 8:00 AM 0.41 7.0 0.45 M M Still snowing
1/22/2018 7:00 AM 0.16 2.5 M M 0.56
1/23/2018 7:00 AM 0.00 0.0 M M M
1/24/2018 7:00 AM 0.00 0.0 M M M
1/25/2018 7:00 AM 0.00 0.0 M M M
1/26/2018 7:00 AM 0.01 0.1 0.01 M M
1/27/2018 7:00 AM 0.00 0.0 M M M
1/28/2018 7:00 AM 0.00 0.0 M M M
1/29/2018 7:00 AM 0.00 0.0 M 5.0 0.74
1/30/2018 7:00 AM 0.00 0.0 M M M
1/31/2018 7:00 AM 0.00 0.0 M M M
2/1/2018 7:00 AM 0.04 0.4 0.04 M M
2/2/2018 7:00 AM T M M M M
2/3/2018 7:00 AM T M M M M
2/4/2018 7:00 AM 0.00 0.0 M M M
2/5/2018 7:30 AM 0.03 0.4 0.03 M M
2/6/2018 7:00 AM 0.10 0.3 0.05 M M
2/7/2018 7:00 AM 0.00 0.0 M M M
2/8/2018 7:00 AM T M M M M It's a T because I saw flakes falling for about 15 minutes around 4 PM. No "trace" of it remained!
2/9/2018 7:00 AM 0.00 0.0 M M M
2/10/2018 7:00 AM 0.02 0.2 0.02 M M
2/11/2018 7:00 AM 0.09 1.4 0.12 M M
2/12/2018 7:00 AM 0.00 0.0 M M M
2/13/2018 7:00 AM 0.00 0.0 M M M
2/14/2018 7:00 AM 0.00 0.0 M M M
2/15/2018 7:00 AM 0.00 0.0 M M M
2/16/2018 7:00 AM T T T M M
2/17/2018 7:00 AM 0.00 0.0 M M M
2/18/2018 7:00 AM 0.00 0.0 M M M
2/19/2018 7:00 AM T M M M M
2/20/2018 7:00 AM 0.37 6.0 0.41 5.7 0.41 Snow was ramped up to the rim of the gauge so I think some was not retained.
2/21/2018 7:00 AM 0.00 0.0 M M M
2/22/2018 7:00 AM 0.00 0.0 M M M
2/23/2018 7:00 AM 0.16 2.2 0.18 M M
2/24/2018 7:00 AM T T T 5.5 0.52
2/25/2018 7:00 AM 0.00 0.0 M M M
3/31/2018 7:00 AM 0.00 0.0 M M M
4/1/2018 7:00 AM 0.02 0.2 0.02 M M
4/2/2018 7:00 AM 0.00 0.0 M M M
4/3/2018 7:00 AM T 0.0 M M M
4/4/2018 7:00 AM 0.00 0.0 M 0.0 M
4/5/2018 7:00 AM 0.00 0.0 M M M
4/6/2018 7:00 AM T M M M M
4/7/2018 7:00 AM 0.19 2.0 0.26 M M
4/8/2018 7:00 AM 0.01 T T M M rain fell yesterday evening; snow early this morning
4/9/2018 7:00 AM T M M M M
4/10/2018 7:00 AM T M M M M a trace of graupel fell
4/11/2018 7:00 AM 0.00 0.0 M M M
4/13/2018 7:00 AM 0.00 0.0 M M M
4/14/2018 7:00 AM T M M M M flurry of light snow fell around 4 PM
4/15/2018 7:00 AM 0.00 0.0 M M M
4/16/2018 7:00 AM 0.00 0.0 M M M
4/17/2018 7:00 AM 0.00 0.0 M M M
4/18/2018 7:00 AM T T M M M The barest skiff of snow blew through between about 4:30 and 5:30 PM. There was probably a little moisture before that.
4/19/2018 7:00 AM 0.00 0.0 M M M
4/20/2018 7:00 AM 0.00 0.0 M M M
4/26/2018 7:00 AM 0.00 0.0 M M M
4/27/2018 7:00 AM T 0.0 0.00 M M light snow fell about 9:30 AM for an hour or so
4/28/2018 7:00 AM 0.00 0.0 M M M
4/30/2018 7:00 AM T M M M M A sprinkle of rain around 3:30 PM
5/1/2018 7:00 AM T M M M M
5/2/2018 7:30 AM 0.09 0.7 M M M {EDIT: Observer reported 0.7 for new snowfall with a melted core of 1.00. Melted core is high and appears to be a typo. Changed report of 1.00 to NA until observer can be contacted to verify. Submission Time Before EDIT: 5/02/2018 8:22 AM CoCoSTAFF DNT}
5/3/2018 7:00 AM 1.19 9.7 0.74 M M Very approximate measurement. Most of the snow was piled on TOP of the gauge like a big mushroom so I sliced off the sides of the pile and stuffed it down into the tube for sampling. Includes rain from the daytime--snow did not start falling until after 10 PM
5/4/2018 7:00 AM 0.55 0.2 M M M {EDIT: Observer reported 0.2 for new snowfall with a melted core value of 0.39. Melted core is high and appears to be a typo. Changed SWE report of 0.39 to NA until observer can be contacted to verify. Submission Time Before EDIT: 5/04/2018 8:23 AM CoCoSTAFF DNT}
5/5/2018 7:00 AM 0.00 0.0 M M M
5/6/2018 7:00 AM 0.00 0.0 M M M
5/7/2018 7:00 AM 0.00 0.0 M M M
5/8/2018 7:00 AM 0.00 0.0 M M M
5/9/2018 7:00 AM 0.00 0.0 M M M
5/10/2018 7:00 AM 0.00 0.0 M M M
5/11/2018 7:00 AM 0.00 0.0 M M M
5/12/2018 7:00 AM 0.01 M M M M Some part of this might be rain, the rest was heavy fog.
5/13/2018 7:00 AM 0.30 M M M M Most rain fell from 5:30 to about 7 PM, along with scatter of hail
5/14/2018 7:00 AM 0.09 M M M M
5/15/2018 7:00 AM 0.02 M M M M
5/16/2018 7:00 AM 0.04 M M M M
5/17/2018 7:00 AM 0.00 0.0 M M M
5/18/2018 7:00 AM 0.00 0.0 M M M
5/19/2018 7:00 AM 0.18 M M M M
5/20/2018 7:00 AM 0.30 M M M M
5/21/2018 7:00 AM 0.15 M M M M
5/22/2018 7:00 AM T M M M M
5/23/2018 7:00 AM 0.00 0.0 M M M
5/24/2018 7:00 AM 0.00 0.0 M M M
5/26/2018 7:00 AM 0.00 0.0 M M M
5/27/2018 7:00 AM 0.00 0.0 M M M
5/28/2018 7:00 AM 0.00 0.0 M M M
5/29/2018 7:00 AM 0.10 M M M M
5/30/2018 7:00 AM 0.00 0.0 M M M
5/31/2018 7:00 AM 0.02 M M M M
6/1/2018 7:00 AM 0.00 0.0 M M M
6/2/2018 7:00 AM 0.00 0.0 M M M
6/3/2018 7:00 AM 0.00 0.0 M M M
6/4/2018 7:00 AM 0.02 M M M M
6/5/2018 7:00 AM 0.00 0.0 M M M
6/6/2018 7:00 AM T M M M M
6/7/2018 7:00 AM 0.06 M M M M
6/8/2018 7:00 AM T M M M M
6/9/2018 7:00 AM 0.00 0.0 M M M
6/10/2018 7:00 AM 0.00 0.0 M M M
6/12/2018 7:00 AM 0.00 0.0 M M M
6/13/2018 7:00 AM 0.00 0.0 M M M
6/14/2018 7:00 AM 0.00 0.0 M M M
6/15/2018 7:00 AM 0.00 0.0 M M M
6/16/2018 7:00 AM 0.02 M M M M
6/17/2018 7:00 AM 0.02 M M M M
6/18/2018 7:00 AM 0.86 M M M M
6/19/2018 7:00 AM 0.12 M M M M
6/20/2018 7:00 AM 0.02 M M M M
6/21/2018 7:00 AM T M M M M
6/22/2018 7:00 AM 0.00 0.0 M M M
6/23/2018 7:00 AM 0.06 M M M M
6/24/2018 7:00 AM 0.00 0.0 M M M
6/25/2018 7:00 AM 0.16 M M M M
6/26/2018 7:00 AM 0.00 0.0 M M M
6/27/2018 7:00 AM 0.00 0.0 M M M
6/28/2018 7:00 AM 0.00 0.0 M M M
6/29/2018 7:00 AM 0.00 0.0 M M M
6/30/2018 7:00 AM 0.00 0.0 M M M
7/1/2018 7:00 AM T M M M M
7/2/2018 7:00 AM 0.00 0.0 M M M
7/3/2018 7:00 AM 0.00 0.0 M M M
7/4/2018 7:00 AM T M M M M
7/5/2018 7:00 AM 0.00 0.0 M M M
7/6/2018 7:00 AM T M M M M
7/7/2018 7:00 AM 0.00 0.0 M M M
7/8/2018 7:00 AM 0.00 0.0 M M M
7/9/2018 7:00 AM 0.00 0.0 M M M
7/11/2018 7:00 AM 0.00 0.0 M M M
7/12/2018 7:00 AM 0.00 0.0 M M M
7/13/2018 7:00 AM 0.25 M M M M
7/14/2018 7:00 AM 0.00 0.0 M M M
7/15/2018 7:00 AM 0.00 0.0 M M M
7/16/2018 7:00 AM 0.45 M M M M
7/17/2018 7:00 AM 0.00 0.0 M M M
7/18/2018 7:00 AM 0.10 M M M M
7/19/2018 7:00 AM 0.00 0.0 M M M
7/20/2018 7:00 AM 0.00 0.0 M M M
7/21/2018 7:00 AM 0.00 0.0 M M M
7/22/2018 7:00 AM 0.04 M M M M
7/23/2018 7:00 AM 0.48 M M M M
7/24/2018 7:00 AM 0.21 M M M M
7/25/2018 7:00 AM 0.13 M M M M
7/26/2018 7:00 AM 0.23 M M M M
7/27/2018 7:00 AM 0.03 M M M M
7/28/2018 7:00 AM 0.03 M M M M
7/29/2018 7:00 AM 0.00 0.0 M M M
7/30/2018 7:00 AM 0.01 M M M M
7/31/2018 7:00 AM 0.00 0.0 M M M
8/1/2018 7:00 AM 0.00 0.0 M M M
8/2/2018 7:00 AM 0.00 0.0 M M M
8/3/2018 7:00 AM 0.00 0.0 M M M
8/4/2018 7:00 AM 0.13 M M M M
8/5/2018 7:00 AM T M M M M
8/6/2018 7:00 AM 0.05 M M M M
8/7/2018 5:30 AM T M M M M
8/8/2018 7:00 AM 0.00 0.0 M M M
8/9/2018 6:00 AM T M M M M
8/10/2018 7:00 AM 0.00 0.0 M M M
8/11/2018 7:00 AM 0.00 0.0 M M M
8/12/2018 7:00 AM 0.00 0.0 M M M
8/13/2018 7:00 AM 0.00 0.0 M M M
8/14/2018 7:00 AM 0.00 0.0 M M M
8/15/2018 7:00 AM 0.05 M M M M
8/16/2018 7:00 AM 0.00 0.0 M M M
8/17/2018 6:00 AM 0.01 M M M M
8/18/2018 7:00 AM 0.00 0.0 M M M
8/19/2018 7:00 AM 0.02 M M M M
8/20/2018 7:00 AM T M M M M
8/21/2018 7:00 AM 0.00 0.0 M M M
8/22/2018 7:00 AM 0.09 M M M M
8/23/2018 7:00 AM T M M M M
8/24/2018 7:00 AM 0.00 0.0 M M M
8/25/2018 7:00 AM 0.01 M M M M
8/26/2018 7:00 AM T M M M M
8/27/2018 7:00 AM 0.00 0.0 M M M
8/28/2018 7:00 AM 0.00 0.0 M M M
8/29/2018 7:00 AM 0.00 0.0 M M M
8/30/2018 7:00 AM 0.00 0.0 M M M
8/31/2018 7:00 AM 0.00 0.0 M M M
9/1/2018 7:00 AM T M M M M
9/2/2018 7:00 AM 0.05 M M M M
9/3/2018 7:00 AM 0.00 0.0 M M M
9/4/2018 7:00 AM 0.00 0.0 M M M
9/5/2018 7:00 AM 0.44 M M M M
9/6/2018 7:00 AM 0.50 M M M M
9/7/2018 7:00 AM 0.01 M M M M
9/8/2018 7:00 AM 0.00 0.0 M M M
9/9/2018 7:00 AM T M M M M
9/10/2018 7:00 AM 0.00 0.0 M M M
9/11/2018 7:00 AM 0.00 0.0 M M M
9/12/2018 7:00 AM 0.04 M M M M
9/13/2018 7:00 AM 0.00 0.0 M M M
9/14/2018 7:00 AM 0.00 0.0 M M M
9/15/2018 7:00 AM 0.00 0.0 M M M
9/16/2018 7:00 AM 0.00 0.0 M M M
9/17/2018 7:00 AM 0.00 0.0 M M M
9/18/2018 7:00 AM T M M M M
9/19/2018 7:00 AM 0.00 0.0 M M M
9/20/2018 7:00 AM 0.04 M M M M
9/21/2018 7:00 AM 0.00 0.0 M M M
9/22/2018 7:00 AM 0.00 0.0 M M M
9/23/2018 7:00 AM 0.00 0.0 M M M
9/24/2018 7:00 AM 0.00 0.0 M M M
9/25/2018 7:00 AM 0.07 M M M M
9/26/2018 7:00 AM 0.00 0.0 M M M
9/27/2018 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
10/2/2017 10/15/2017 7:00 AM 14 1.05 M M
10/21/2017 10/26/2017 7:00 AM 6 0.00 M M
1/11/2018 1/18/2018 7:00 AM 8 M T 0.00 Some snow must have fallen as there are bits left in shaded places. But none was present in the gauge.
2/26/2018 3/30/2018 6:00 PM 33 0.76 M M
4/21/2018 4/25/2018 7:00 AM 5 0.58 5.2 0.53
9/28/2018 10/09/2018 7:00 AM 12 0.61 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
5/12/2018 5:40 PM Lots of pinprick-sized hail, even smaller than rice Rice NA Rice 40 3min no damage Intermittent True After rain Same time as smaller hail .25
5/18/2018 4:30 PM Sorry my head was in the attic when it came down so time is approximate! 1/4" Pea Size 1/4" Pea Size Rice Soft 10 10min no damage Continuous True After rain Same time as smaller hail 0.3
5/28/2018 2:30 PM 1/4" Pea Size Rice Rice Soft 5 no damage Intermittent True After rain .3
1/1/0001 12:00 AM I wasn't here. Left about 2 PM so it must have occurred after that, in late afternoon probably. Notes are synthesized from the hail pad. 1/4" Pea Size 1/4" Pea Size Rice Soft no damage True .5
1/1/0001 12:00 AM Hail fell sometime after 6:30 PM and before 10:30 PM. I was not home. 1/4" Pea Size 1/4" Pea Size Rice Soft no damage True
6/18/2018 5:17 PM 5/8" 3/8" Rice Soft|Mixed|White Ice 5 1min no damage True After rain Same time as smaller hail .7
6/22/2018 4:40 PM Happened while I was out walking. Took shelter under an overhang for a few minutes. 1/4" Pea Size 1/4" Pea Size Rice Mixed 5 2min no damage True After rain Same time as smaller hail 10-20 .25
6/24/2018 12:28 PM 1/4" Pea Size Rice Rice Hard|White Ice 5 1min no damage Continuous True After rain .15 .2
1/1/0001 12:00 AM Time of storm unknown, data is from hail pad. some strikes are smaller than rice-size and were hard. 1/4" Pea Size Rice Rice Mixed no damage True 0.5
7/26/2018 1:28 PM 3/8" 1/4" Pea Size Rice Hard|Mixed 4 1min no damage False Same time as rain Same time as smaller hail vertical .3
1/1/0001 12:00 AM Very soft hail--so soft I didn't even know it was hailing during the rain event. 1/4" Pea Size 1/4" Pea Size Rice Soft no damage Continuous True Same time as rain
1/1/0001 12:00 AM I left home at 5:15, rain had not yet started but to the east, lower 6 miles of Golden Gate Canyon heavily impacted by big storm. Drifts of hail and at least two inches thick on the level. Flooding carrying rocks up to 5-7 cm diameter across road. 3/8" 1/4" Pea Size Rice Mixed False
1/1/0001 12:00 AM Must have occurred in the mid-afternoon Rice Rice Rice Soft no damage True
1/1/0001 12:00 AM I was gone all afternoon and evening. Note that the hard hail was extremely small, just pinpricks on the hail pad. The larger hail was soft. 1/4" Pea Size Rice Rice Mixed no damage False .2