Station Overview Station Location
Station Number CO-BO-72 Latitude 40.0242
Station Name Boulder 1.3 NW Longitude -105.2689
County Boulder Elevation (ft) 5377



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 1.21 2.31 31 2.31 31 0.00 0 0 8 2 5.8 4 4
Nov 17 0.96 0.52 30 0.52 30 0.00 0 0 5 1 2.5 2 2
Dec 17 0.72 0.63 31 0.63 31 0.00 0 0 5 3 8.2 6 11
Jan 18 0.57 0.66 31 0.66 31 0.00 0 0 4 2 7.7 3 8
Feb 18 0.59 1.00 28 1.00 28 0.00 0 0 9 3 14.5 8 16
March 18 1.77 2.12 31 2.12 31 0.00 0 0 6 1 5.3 4 3
April 18 2.17 1.47 30 1.47 30 0.00 0 0 8 4 4.7 5 1
May 18 2.45 4.46 31 4.46 31 0.00 0 0 14 1 0.0 0 0
June 18 2.32 2.73 30 2.73 30 0.00 0 0 7 3 0.0 0 0
July 18 1.67 1.99 31 1.99 31 0.00 0 0 11 4 0.0 0 0
Aug 18 1.85 0.35 31 0.35 31 0.00 0 0 6 1 0.0 0 0
Sept 18 1.49 1.09 30 1.09 30 0.00 0 0 4 4 0.0 0 0
Water Year Totals: 17.77" 19.33" 365 days 19.33" 365 0.00" 0 days 0 87 days 29 days 48.7" 32 days 45 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 0.04
10/2/2017 0.69
10/3/2017 0.44
10/4/2017 T
10/5/2017 0.00
10/6/2017 T
10/7/2017 0.00
10/8/2017 0.00
10/9/2017 0.60
10/10/2017 0.25
10/11/2017 0.00
10/12/2017 0.00
10/13/2017 0.00
10/14/2017 0.00
10/15/2017 0.00
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 0.00
10/22/2017 0.00
10/23/2017 0.00
10/24/2017 0.00
10/25/2017 0.00
10/26/2017 0.00
10/27/2017 0.12
10/28/2017 0.00
10/29/2017 0.00
10/30/2017 0.11
10/31/2017 0.06
11/1/2017 0.00
11/2/2017 0.00
11/3/2017 0.00
11/4/2017 0.00
11/5/2017 0.01
11/6/2017 0.00
11/7/2017 0.31
11/8/2017 0.11
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 0.06
11/19/2017 0.00
11/20/2017 0.00
11/21/2017 0.00
11/22/2017 0.03
11/23/2017 0.00
11/24/2017 0.00
11/25/2017 0.00
11/26/2017 0.00
11/27/2017 0.00
11/28/2017 T
11/29/2017 0.00
11/30/2017 0.00
12/1/2017 0.00
12/2/2017 0.00
12/3/2017 0.00
12/4/2017 0.00
12/5/2017 0.00
12/6/2017 0.00
12/7/2017 0.00
12/8/2017 0.00
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 0.24
12/15/2017 0.00
12/16/2017 0.00
12/17/2017 0.00
12/18/2017 0.00
12/19/2017 0.00
12/20/2017 0.00
12/21/2017 0.13
12/22/2017 0.02
12/23/2017 0.00
12/24/2017 0.23
12/25/2017 0.00
12/26/2017 T
12/27/2017 0.01
12/28/2017 0.00
12/29/2017 0.00
12/30/2017 T
12/31/2017 T
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 0.00
1/7/2018 0.00
1/8/2018 0.00
1/9/2018 0.00
1/10/2018 0.00
1/11/2018 0.01
1/12/2018 0.00
1/13/2018 0.00
1/14/2018 0.00
1/15/2018 T
1/16/2018 0.07
1/17/2018 0.00
1/18/2018 0.00
1/19/2018 0.00
1/20/2018 0.00
1/21/2018 0.36
1/22/2018 0.22
1/23/2018 0.00
1/24/2018 0.00
1/25/2018 0.00
1/26/2018 0.00
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 0.01
2/3/2018 0.00
2/4/2018 0.01
2/5/2018 T
2/6/2018 T
2/7/2018 0.00
2/8/2018 0.00
2/9/2018 0.00
2/10/2018 0.13
2/11/2018 0.10
2/12/2018 T
2/13/2018 0.00
2/14/2018 0.00
2/15/2018 0.00
2/16/2018 0.04
2/17/2018 0.00
2/18/2018 0.00
2/19/2018 0.03
2/20/2018 0.47
2/21/2018 0.00
2/22/2018 0.00
2/23/2018 0.00
2/24/2018 0.17
2/25/2018 0.00
2/26/2018 0.00
2/27/2018 0.00
2/28/2018 0.00
3/1/2018 0.00
3/2/2018 0.00
3/3/2018 0.00
3/4/2018 0.00
3/5/2018 0.00
3/6/2018 0.00
3/7/2018 0.00
3/8/2018 0.00
3/9/2018 0.00
3/10/2018 0.00
3/11/2018 0.00
3/12/2018 0.00
3/13/2018 0.00
3/14/2018 0.00
3/15/2018 0.00
3/16/2018 0.09
3/17/2018 0.00
3/18/2018 0.00
3/19/2018 0.59
3/20/2018 T
3/21/2018 0.00
3/22/2018 0.00
3/23/2018 0.00
3/24/2018 0.00
3/25/2018 0.00
3/26/2018 0.09
3/27/2018 0.71
3/28/2018 0.00
3/29/2018 0.47
3/30/2018 0.17
3/31/2018 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2018 0.03
4/2/2018 0.02
4/3/2018 T
4/4/2018 0.00
4/5/2018 0.00
4/6/2018 0.00
4/7/2018 0.34
4/8/2018 0.00
4/9/2018 T
4/10/2018 0.12
4/11/2018 0.00
4/12/2018 0.00
4/13/2018 T
4/14/2018 0.00
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 0.30
4/22/2018 0.07
4/23/2018 0.00
4/24/2018 0.29
4/25/2018 0.30
4/26/2018 0.00
4/27/2018 0.00
4/28/2018 0.00
4/29/2018 0.00
4/30/2018 0.00
5/1/2018 T
5/2/2018 0.01
5/3/2018 1.08
5/4/2018 0.58
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 0.19
5/13/2018 0.26
5/14/2018 0.54
5/15/2018 0.01
5/16/2018 0.00
5/17/2018 0.00
5/18/2018 0.00
5/19/2018 0.50
5/20/2018 0.44
5/21/2018 0.13
5/22/2018 0.00
5/23/2018 0.25
5/24/2018 0.16
5/25/2018 0.00
5/26/2018 0.00
5/27/2018 0.00
5/28/2018 0.00
5/29/2018 0.04
5/30/2018 0.00
5/31/2018 0.27
6/1/2018 0.00
6/2/2018 0.00
6/3/2018 0.00
6/4/2018 0.00
6/5/2018 0.00
6/6/2018 0.00
6/7/2018 0.00
6/8/2018 0.00
6/9/2018 0.00
6/10/2018 0.00
6/11/2018 0.00
6/12/2018 0.00
6/13/2018 0.00
6/14/2018 T
6/15/2018 0.00
6/16/2018 0.06
6/17/2018 0.18
6/18/2018 0.79
6/19/2018 1.53
6/20/2018 0.01
6/21/2018 0.00
6/22/2018 0.03
6/23/2018 T
6/24/2018 0.00
6/25/2018 0.13
6/26/2018 0.00
6/27/2018 0.00
6/28/2018 T
6/29/2018 0.00
6/30/2018 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2018 0.08
7/2/2018 0.00
7/3/2018 0.00
7/4/2018 0.00
7/5/2018 T
7/6/2018 0.17
7/7/2018 0.00
7/8/2018 0.00
7/9/2018 0.00
7/10/2018 0.00
7/11/2018 0.00
7/12/2018 0.00
7/13/2018 0.02
7/14/2018 0.00
7/15/2018 0.00
7/16/2018 0.38
7/17/2018 0.00
7/18/2018 T
7/19/2018 0.00
7/20/2018 0.00
7/21/2018 0.00
7/22/2018 0.01
7/23/2018 0.09
7/24/2018 1.09
7/25/2018 0.01
7/26/2018 0.07
7/27/2018 T
7/28/2018 0.06
7/29/2018 0.01
7/30/2018 T
7/31/2018 0.00
8/1/2018 0.00
8/2/2018 0.00
8/3/2018 0.00
8/4/2018 0.02
8/5/2018 0.00
8/6/2018 0.01
8/7/2018 0.00
8/8/2018 0.00
8/9/2018 0.00
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 0.20
8/16/2018 0.00
8/17/2018 0.00
8/18/2018 0.00
8/19/2018 0.09
8/20/2018 0.01
8/21/2018 T
8/22/2018 0.02
8/23/2018 0.00
8/24/2018 0.00
8/25/2018 0.00
8/26/2018 0.00
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 0.00
9/2/2018 T
9/3/2018 0.00
9/4/2018 0.00
9/5/2018 0.86
9/6/2018 0.05
9/7/2018 0.14
9/8/2018 0.00
9/9/2018 T
9/10/2018 0.00
9/11/2018 0.00
9/12/2018 T
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 0.00
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 T
9/26/2018 0.00
9/27/2018 0.00
9/28/2018 0.00
9/29/2018 0.00
9/30/2018 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2017 7:00 AM 0.04 M M M M
10/2/2017 7:00 AM 0.69 M M M M
10/3/2017 7:00 AM 0.44 M M M M
10/4/2017 7:00 AM T M M M M
10/5/2017 7:00 AM 0.00 0.0 M M M
10/6/2017 7:00 AM T M M M M
10/7/2017 7:00 AM 0.00 0.0 M M M
10/8/2017 7:00 AM 0.00 0.0 M M M
10/9/2017 7:00 AM 0.60 1.6 M 1.5 M
10/10/2017 7:00 AM 0.25 2.8 M 2.0 M
10/11/2017 7:00 AM 0.00 0.0 M M M
10/12/2017 7:00 AM 0.00 0.0 M M M
10/13/2017 7:00 AM 0.00 0.0 M M M
10/14/2017 7:00 AM 0.00 0.0 M M M
10/15/2017 7:00 AM 0.00 0.0 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
10/21/2017 7:00 AM 0.00 0.0 M M M
10/22/2017 7:00 AM 0.00 0.0 M M M
10/23/2017 7:00 AM 0.00 0.0 M M M
10/24/2017 7:00 AM 0.00 0.0 M M M
10/25/2017 7:00 AM 0.00 0.0 M M M
10/26/2017 7:00 AM 0.00 0.0 M M M
10/27/2017 7:00 AM 0.12 0.9 M 1.0 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 0.11 M M M M
10/31/2017 7:00 AM 0.06 0.5 M 0.5 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 0.01 M M M M
11/6/2017 7:00 AM 0.00 0.0 M M M
11/7/2017 7:00 AM 0.31 1.9 M 2.0 M
11/8/2017 7:00 AM 0.11 0.6 M 2.5 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 0.06 M M M M
11/19/2017 7:00 AM 0.00 0.0 M M M
11/20/2017 7:00 AM 0.00 0.0 M M M
11/21/2017 7:00 AM 0.00 0.0 M M M
11/22/2017 7:00 AM 0.03 M M M M
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 0.00 0.0 M M M
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 0.0 M M M
11/29/2017 7:00 AM 0.00 0.0 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 0.00 0.0 M M 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 0.00 0.0 M 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 0.24 2.0 M 2.0 M
12/15/2017 7:00 AM 0.00 0.0 M 0.5 M
12/16/2017 7:00 AM 0.00 0.0 M T M
12/17/2017 7:00 AM 0.00 0.0 M M M
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
12/20/2017 7:00 AM 0.00 0.0 M M M
12/21/2017 7:00 AM 0.13 1.5 M 1.5 M
12/22/2017 7:00 AM 0.02 0.5 M 2.5 M
12/23/2017 7:00 AM 0.00 0.0 M 1.0 M
12/24/2017 7:00 AM 0.23 3.8 M 4.0 M
12/25/2017 7:00 AM 0.00 0.0 M 3.5 M
12/26/2017 7:00 AM T 0.1 M 3.0 M
12/27/2017 7:00 AM 0.01 0.3 M 2.5 M
12/28/2017 7:00 AM 0.00 0.0 M 1.0 M
12/29/2017 7:00 AM 0.00 0.0 M 0.5 M
12/30/2017 7:00 AM T T M T M
12/31/2017 7:00 AM T T M T M
1/1/2018 7:00 AM T T M T M
1/2/2018 7:00 AM 0.00 0.0 M T M
1/3/2018 7:00 AM 0.00 0.0 M T M
1/4/2018 7:00 AM 0.00 0.0 M T M
1/5/2018 7:00 AM 0.00 0.0 M 0.0 M
1/6/2018 7:00 AM 0.00 0.0 M 0.0 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
1/11/2018 7:00 AM 0.01 0.0 M M M
1/12/2018 7:00 AM 0.00 0.0 M M M
1/13/2018 7:00 AM 0.00 0.0 M M M
1/14/2018 7:00 AM 0.00 0.0 M M M
1/15/2018 7:00 AM T T M T M
1/16/2018 7:00 AM 0.07 1.9 M 1.5 M
1/17/2018 7:00 AM 0.00 0.0 M 0.5 M
1/18/2018 7:00 AM 0.00 0.0 M T M
1/19/2018 7:00 AM 0.00 0.0 M 0.0 M
1/20/2018 7:00 AM 0.00 0.0 M 0.0 M
1/21/2018 7:00 AM 0.36 3.2 M 3.0 M Drizzle began ~10pm 1/20, later it became freezing drizzle before changing to snow
1/22/2018 7:00 AM 0.22 2.6 M 5.5 M
1/23/2018 7:00 AM 0.00 0.0 M 3.5 M
1/24/2018 7:00 AM 0.00 0.0 M 2.5 M
1/25/2018 7:00 AM 0.00 0.0 M M M
1/26/2018 7:00 AM 0.00 0.0 M 0.5 M
1/27/2018 7:00 AM 0.00 0.0 M 0.5 M
1/28/2018 7:00 AM 0.00 0.0 M T M
1/29/2018 7:00 AM 0.00 0.0 M T M
1/30/2018 7:00 AM 0.00 0.0 M 0.0 M
1/31/2018 7:00 AM 0.00 0.0 M 0.0 M
2/1/2018 7:00 AM 0.04 0.4 M 0.5 M
2/2/2018 7:00 AM 0.01 0.1 M T M
2/3/2018 7:00 AM 0.00 0.0 M 0.0 M
2/4/2018 7:00 AM 0.01 T M T M Freezing drizzle once again fell this winter. Scraping the windshield required a major effort.
2/5/2018 7:00 AM T T M 0.0 M
2/6/2018 7:00 AM T T M T M
2/7/2018 7:00 AM 0.00 0.0 M 0.0 M
2/8/2018 7:00 AM 0.00 0.0 M M M
2/9/2018 7:00 AM 0.00 0.0 M M M
2/10/2018 7:00 AM 0.13 1.6 M 1.5 M
2/11/2018 7:00 AM 0.10 1.8 M 2.5 M
2/12/2018 7:00 AM T T M 0.5 M
2/13/2018 7:00 AM 0.00 0.0 M 0.5 M
2/14/2018 7:00 AM 0.00 0.0 M T M
2/15/2018 7:00 AM 0.00 0.0 M 0.0 M
2/16/2018 7:00 AM 0.04 0.6 M 0.5 M
2/17/2018 7:00 AM 0.00 0.0 M T M
2/18/2018 7:00 AM 0.00 0.0 M 0.0 M
2/19/2018 7:00 AM 0.03 0.9 M 1.0 M Prcip evidently began with light freezing frizzle (Again!)
2/20/2018 7:00 AM 0.47 6.3 M 6.5 M
2/21/2018 7:00 AM 0.00 0.0 M 5.5 M
2/22/2018 7:00 AM 0.00 0.0 M 3.5 M
2/23/2018 7:00 AM 0.00 0.0 M 3.0 M
2/24/2018 7:00 AM 0.17 2.8 M 6.0 M
2/25/2018 7:00 AM 0.00 0.0 M 3.5 M
2/26/2018 7:00 AM 0.00 0.0 M 3.0 M
2/27/2018 7:00 AM 0.00 0.0 M 1.5 M
2/28/2018 7:00 AM 0.00 0.0 M 0.5 M
3/1/2018 7:00 AM 0.00 0.0 M T M
3/2/2018 7:00 AM 0.00 0.0 M 0.0 M
3/3/2018 7:00 AM 0.00 0.0 M M M
3/4/2018 7:00 AM 0.00 0.0 M M M
3/5/2018 7:00 AM 0.00 0.0 M M M
3/6/2018 7:00 AM 0.00 0.0 M M M
3/7/2018 7:00 AM 0.00 0.0 M M M
3/8/2018 7:00 AM 0.00 0.0 M M M
3/9/2018 7:00 AM 0.00 0.0 M M M
3/10/2018 7:00 AM 0.00 0.0 M M M
3/11/2018 7:00 AM 0.00 0.0 M M M
3/12/2018 7:00 AM 0.00 0.0 M M M
3/13/2018 7:00 AM 0.00 0.0 M M M
3/14/2018 7:00 AM 0.00 0.0 M M M
3/15/2018 7:00 AM 0.00 0.0 M M M
3/16/2018 7:00 AM 0.09 M M M M
3/17/2018 7:00 AM 0.00 0.0 M M M
3/18/2018 7:00 AM 0.00 0.0 M M M
3/19/2018 7:00 AM 0.59 1.0 M 0.5 M
3/20/2018 7:00 AM T T M T M
3/21/2018 7:00 AM 0.00 0.0 M M M
3/22/2018 7:00 AM 0.00 0.0 M M M
3/23/2018 7:00 AM 0.00 0.0 M M M
3/24/2018 7:00 AM 0.00 0.0 M M M
3/25/2018 7:00 AM 0.00 0.0 M M M
3/26/2018 7:00 AM 0.09 0.0 M M M
3/27/2018 7:00 AM 0.71 2.6 M 2.5 M
3/28/2018 7:00 AM 0.00 0.0 M 0.0 M
3/29/2018 7:00 AM 0.47 1.6 M 1.0 M
3/30/2018 7:00 AM 0.17 0.1 M T M
3/31/2018 7:00 AM 0.00 0.0 M 0.0 M
4/1/2018 7:00 AM 0.03 0.2 M T M
4/2/2018 7:00 AM 0.02 T M 0.0 M
4/3/2018 7:00 AM T M M 0.0 M Very brief shower at ~1 am driven against the window. Several drops of precip in the gauge in the morning. Almost 0.005, but couldn't in good conscience record 0.01.
4/4/2018 7:00 AM 0.00 0.0 M M M
4/5/2018 7:00 AM 0.00 0.0 M M M
4/6/2018 7:00 AM 0.00 0.0 M M M
4/7/2018 7:00 AM 0.34 4.0 M 4.0 M
4/8/2018 7:00 AM 0.00 0.0 M M M
4/9/2018 7:00 AM T 0.0 M 0.0 M
4/10/2018 7:00 AM 0.12 0.1 M 0.0 M
4/11/2018 7:00 AM 0.00 0.0 M M M
4/12/2018 7:00 AM 0.00 0.0 M M M
4/13/2018 7:00 AM T 0.0 M M M
4/14/2018 7:00 AM 0.00 0.0 M M M
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 0.0 M M M
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
4/21/2018 7:00 AM 0.30 0.2 M T M
4/22/2018 7:00 AM 0.07 T M 0.0 M
4/23/2018 7:00 AM 0.00 0.0 M M M
4/24/2018 7:00 AM 0.29 T M T M Lt. snow and drizzle @ time of obs. Brief heavy shower 23 Apr @ ~1400
4/25/2018 7:00 AM 0.30 0.2 M 0.0 M
4/26/2018 7:00 AM 0.00 0.0 M M M
4/27/2018 7:00 AM 0.00 0.0 M M M
4/28/2018 7:00 AM 0.00 0.0 M M M
4/29/2018 7:00 AM 0.00 0.0 M M M
4/30/2018 7:00 AM 0.00 0.0 M M M
5/1/2018 7:00 AM T M M M M
5/2/2018 7:00 AM 0.01 M M M M
5/3/2018 7:00 AM 1.08 M M M M
5/4/2018 7:00 AM 0.58 M M M M
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 0.19 M M M M
5/13/2018 7:00 AM 0.26 M M M M
5/14/2018 7:00 AM 0.54 M M M M
5/15/2018 7:00 AM 0.01 M M M M
5/16/2018 7:00 AM 0.00 0.0 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 0.50 M M M M
5/20/2018 7:00 AM 0.44 M M M M
5/21/2018 7:00 AM 0.13 M M M M
5/22/2018 7:00 AM 0.00 0.0 M M M
5/23/2018 7:00 AM 0.25 M M M M When hail started, i ran out and placed a second cylinder sans funnel out on the walk. I measured 0.25" from it, but only 0.17" from other gauge, so the hail contribution to the catch was at least 0.08". It may have been more.
5/24/2018 7:00 AM 0.16 M M M M
5/25/2018 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 0.04 M M M M
5/30/2018 7:00 AM 0.00 0.0 M M M
5/31/2018 7:00 AM 0.27 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 0.00 0.0 M M M
6/5/2018 7:00 AM 0.00 0.0 M M M
6/6/2018 7:00 AM 0.00 0.0 M M M
6/7/2018 7:00 AM 0.00 0.0 M M M
6/8/2018 7:00 AM 0.00 0.0 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
6/11/2018 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 T M M M M
6/15/2018 7:00 AM 0.00 0.0 M M M
6/16/2018 7:00 AM 0.06 M M M M
6/17/2018 7:00 AM 0.18 M M M M
6/18/2018 8:30 AM 0.79 M M M M
6/19/2018 7:00 AM 1.53 M M M M Hail began about 5:55 pm and lasted for ~20 min. with a second lesser episode around 7:20. Hailstones varied from pea size up to ~1.25". Rain in torrents. Considerable leaf shredding and the car took some dings. The catch from my open gauge w/o the funnel was 0.32" > gauge w/ funnel, i.e., 26.4% more. That's a lot of hail ricocheting out!
6/20/2018 7:00 AM 0.01 M M M M
6/21/2018 7:00 AM 0.00 0.0 M M M
6/22/2018 7:00 AM 0.03 M M M M
6/23/2018 7:00 AM T M M M M
6/24/2018 7:00 AM 0.00 0.0 M M M
6/25/2018 7:00 AM 0.13 0.0 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 T M 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 0.08 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 0.00 0.0 M M M
7/5/2018 7:00 AM T M M M M
7/6/2018 7:00 AM 0.17 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
7/10/2018 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 0.02 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 0.38 M M M M
7/17/2018 7:00 AM 0.00 0.0 M M M
7/18/2018 7:00 AM T 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 0.01 M M M M
7/23/2018 7:00 AM 0.09 M M M M
7/24/2018 7:00 AM 1.09 M M M M
7/25/2018 7:00 AM 0.01 M M M M
7/26/2018 7:00 AM 0.07 M M M M
7/27/2018 7:00 AM T M M M M
7/28/2018 7:00 AM 0.06 M M M M
7/29/2018 7:00 AM 0.01 M M M M
7/30/2018 7:00 AM T 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 0.02 M M M M
8/5/2018 7:00 AM 0.00 0.0 M M M
8/6/2018 7:00 AM 0.01 M M M M
8/7/2018 7:00 AM 0.00 0.0 M M M
8/8/2018 7:00 AM 0.00 0.0 M M M
8/9/2018 7:00 AM 0.00 0.0 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 0.20 M M M M
8/16/2018 7:00 AM 0.00 0.0 M M M
8/17/2018 7:00 AM 0.00 0.0 M M M
8/18/2018 7:00 AM 0.00 0.0 M M M
8/19/2018 7:00 AM 0.09 M M M M
8/20/2018 7:00 AM 0.01 M M M M
8/21/2018 7:00 AM T M M M M
8/22/2018 7:00 AM 0.02 M M M M
8/23/2018 7:00 AM 0.00 0.0 M M M
8/24/2018 7:00 AM 0.00 0.0 M M M
8/25/2018 7:00 AM 0.00 0.0 M M M
8/26/2018 7:00 AM 0.00 0.0 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 0.00 0.0 M M M
9/2/2018 7:00 AM T 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 0.86 M M M M
9/6/2018 7:00 AM 0.05 M M M M
9/7/2018 7:00 AM 0.14 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 T 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 0.00 0.0 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 T 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
9/28/2018 7:00 AM 0.00 0.0 M M M
9/29/2018 7:00 AM 0.00 0.0 M M M
9/30/2018 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



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
5/22/2018 6:55 PM First storm began ~6:55, then let up after maybe 5-8 min. Second storm followed with very heavy rain, and less hail but lasted only ~3-5 min. 3/8" 1/4" Pea Size 1/4" Pea Size Soft 5 3min minor leaf damage Continuous True Same time as rain After smaller hail 10-20
6/18/2018 5:55 PM The size and hardness of hail was highly variable. Fortunately the larger and harder hailstones were infrequent, and there was remarkably little damage to plants and trees. I took pictures and a video, but I don't see a way to attach these. A second hailstorm followed at around 7:10, but there was less hail, and the duration was shorter. I had a total of ~1.2" or rain and melted hail. I regret my hailpad was not functional. 1 1/4" Half Dollar Size NA 1/4" Pea Size Mixed|Clear Ice|White Ice 30 10min car dents Continuous True After rain After smaller hail 30-40 0.25