Station Overview Station Location
Station Number CO-BO-4 Latitude 39.9941
Station Name Boulder 2.9 S Longitude -105.2573
County Boulder Elevation (ft) 5397



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 1.41 2.47 31 2.47 31 0.00 0 0 8 0 6.6 4 4
Nov 17 1.12 0.52 30 0.52 30 0.00 0 0 5 2 4.1 2 3
Dec 17 0.86 0.60 31 0.60 31 0.00 0 0 5 3 9.0 7 11
Jan 18 0.68 0.76 31 0.76 31 0.00 0 0 6 0 8.7 4 12
Feb 18 0.69 1.03 28 1.03 28 0.00 0 0 11 3 18.5 10 17
March 18 1.92 2.22 31 2.22 31 0.00 0 0 6 1 6.2 4 3
April 18 2.47 1.36 30 1.36 30 0.00 0 0 7 4 4.6 6 1
May 18 2.79 4.45 31 4.45 31 0.00 0 0 14 2 0.0 0 0
June 18 2.31 1.44 30 1.44 30 0.00 0 0 6 2 0.0 0 0
July 18 1.63 1.67 31 1.67 31 0.00 0 0 11 2 0.0 0 0
Aug 18 1.81 0.27 31 0.27 31 0.00 0 0 6 2 0.0 0 0
Sept 18 1.61 0.88 30 0.88 30 0.00 0 0 4 3 0.0 0 0
Water Year Totals: 19.30" 17.67" 365 days 17.67" 365 0.00" 0 days 0 89 days 24 days 57.7" 37 days 51 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 0.05
10/2/2017 0.61
10/3/2017 0.54
10/4/2017 0.00
10/5/2017 0.00
10/6/2017 0.00
10/7/2017 0.00
10/8/2017 0.00
10/9/2017 0.62
10/10/2017 0.36
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 0.14
10/28/2017 0.00
10/29/2017 0.00
10/30/2017 0.09
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 0.34
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 0.05
11/19/2017 0.00
11/20/2017 0.00
11/21/2017 0.00
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 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 0.16
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 0.12
12/22/2017 0.05
12/23/2017 0.00
12/24/2017 0.26
12/25/2017 0.00
12/26/2017 0.01
12/27/2017 T
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 0.01
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 0.01
1/16/2018 0.05
1/17/2018 0.00
1/18/2018 0.00
1/19/2018 0.00
1/20/2018 0.00
1/21/2018 0.40
1/22/2018 0.28
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 0.02
2/2/2018 0.01
2/3/2018 0.00
2/4/2018 0.01
2/5/2018 0.01
2/6/2018 0.02
2/7/2018 0.00
2/8/2018 0.00
2/9/2018 0.00
2/10/2018 0.13
2/11/2018 0.16
2/12/2018 T
2/13/2018 T
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 0.02
2/20/2018 0.48
2/21/2018 0.00
2/22/2018 0.00
2/23/2018 T
2/24/2018 0.13
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 0.30
3/17/2018 0.00
3/18/2018 0.00
3/19/2018 0.60
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 0.64
3/28/2018 0.00
3/29/2018 0.47
3/30/2018 0.12
3/31/2018 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2018 0.01
4/2/2018 T
4/3/2018 0.00
4/4/2018 0.00
4/5/2018 0.00
4/6/2018 0.00
4/7/2018 0.38
4/8/2018 0.00
4/9/2018 T
4/10/2018 0.06
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 0.29
4/22/2018 0.12
4/23/2018 0.00
4/24/2018 0.18
4/25/2018 0.32
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 0.01
5/2/2018 T
5/3/2018 1.04
5/4/2018 0.65
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 0.21
5/13/2018 0.39
5/14/2018 0.67
5/15/2018 0.02
5/16/2018 0.00
5/17/2018 0.00
5/18/2018 0.00
5/19/2018 0.53
5/20/2018 0.49
5/21/2018 0.18
5/22/2018 0.00
5/23/2018 0.03
5/24/2018 0.01
5/25/2018 0.00
5/26/2018 0.00
5/27/2018 0.00
5/28/2018 T
5/29/2018 0.05
5/30/2018 0.00
5/31/2018 0.17
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 0.00
6/15/2018 0.00
6/16/2018 0.02
6/17/2018 0.13
6/18/2018 0.77
6/19/2018 0.49
6/20/2018 T
6/21/2018 0.00
6/22/2018 T
6/23/2018 0.01
6/24/2018 0.00
6/25/2018 0.02
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 0.00
7/2/2018 0.00
7/3/2018 0.00
7/4/2018 0.00
7/5/2018 T
7/6/2018 0.30
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 0.03
7/14/2018 0.00
7/15/2018 0.00
7/16/2018 0.35
7/17/2018 0.00
7/18/2018 0.01
7/19/2018 0.00
7/20/2018 0.00
7/21/2018 0.00
7/22/2018 0.01
7/23/2018 0.12
7/24/2018 0.40
7/25/2018 0.00
7/26/2018 0.10
7/27/2018 0.24
7/28/2018 0.05
7/29/2018 0.06
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 0.01
8/5/2018 T
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 0.04
8/16/2018 0.00
8/17/2018 0.00
8/18/2018 0.00
8/19/2018 0.18
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 T
9/2/2018 T
9/3/2018 0.00
9/4/2018 0.00
9/5/2018 0.78
9/6/2018 0.05
9/7/2018 0.04
9/8/2018 0.00
9/9/2018 T
9/10/2018 0.00
9/11/2018 0.00
9/12/2018 0.00
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 0.01
9/21/2018 0.00
9/22/2018 0.00
9/23/2018 0.00
9/24/2018 0.00
9/25/2018 0.00
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 0.05 0.0 M 0.0 M
10/2/2017 6:40 AM 0.61 0.0 M 0.0 M
10/3/2017 7:00 AM 0.54 0.0 M 0.0 M
10/4/2017 7:00 AM 0.00 0.0 M M M
10/5/2017 7:00 AM 0.00 0.0 M M M
10/6/2017 7:00 AM 0.00 0.0 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 6:40 AM 0.62 2.0 M 2.0 M
10/10/2017 7:00 AM 0.36 2.9 M 4.0 M
10/11/2017 7:00 AM 0.00 0.0 M 1.0 M
10/12/2017 7:00 AM 0.00 0.0 M 0.0 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 0.0 M
10/18/2017 7:00 AM 0.00 0.0 M 0.0 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 0.0 M
10/27/2017 7:00 AM 0.14 1.3 M 1.0 M
10/28/2017 7:00 AM 0.00 0.0 M T M
10/29/2017 7:00 AM 0.00 0.0 M M M
10/30/2017 7:00 AM 0.09 0.0 M 0.0 M freezing drizzle toward morning; thin glaze on grass,wooden, and metallic surfaces
10/31/2017 7:00 AM 0.06 0.4 M T M
11/1/2017 7:00 AM 0.00 0.0 M 0.0 M
11/2/2017 7:00 AM 0.00 0.0 M 0.0 M
11/3/2017 7:00 AM 0.00 0.0 M 0.0 M
11/4/2017 7:00 AM 0.00 0.0 M 0.0 M
11/5/2017 7:00 AM 0.01 0.0 M 0.0 M
11/6/2017 7:00 AM 0.00 0.0 M 0.0 M
11/7/2017 6:35 AM 0.34 2.9 M 3.0 M
11/8/2017 7:00 AM 0.10 1.2 M 3.0 M
11/9/2017 7:00 AM 0.00 0.0 M 1.0 M
11/10/2017 7:00 AM 0.00 0.0 M T M
11/11/2017 7:00 AM 0.00 0.0 M T M
11/12/2017 7:00 AM 0.00 0.0 M 0.0 M
11/13/2017 7:00 AM 0.00 0.0 M 0.0 M
11/14/2017 7:00 AM 0.00 0.0 M 0.0 M
11/15/2017 7:00 AM 0.00 0.0 M 0.0 M
11/16/2017 7:00 AM 0.00 0.0 M 0.0 M
11/17/2017 7:00 AM 0.00 0.0 M M M
11/18/2017 7:00 AM 0.05 0.0 M 0.0 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 0.0 M
11/21/2017 7:00 AM 0.00 0.0 M 0.0 M
11/22/2017 6:15 AM 0.02 T M 0.0 M
11/23/2017 7:00 AM 0.00 0.0 M 0.0 M
11/24/2017 7:00 AM 0.00 0.0 M M M
11/25/2017 7:00 AM T 0.0 M 0.0 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 0.0 M
11/28/2017 7:00 AM T 0.0 M 0.0 M
11/29/2017 7:00 AM 0.00 0.0 M 0.0 M
11/30/2017 7:00 AM 0.00 0.0 M 0.0 M
12/1/2017 7:00 AM 0.00 0.0 M 0.0 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 0.0 M
12/4/2017 7:00 AM 0.00 0.0 M 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 0.0 M
12/8/2017 7:00 AM 0.00 0.0 M 0.0 M
12/9/2017 7:00 AM 0.00 0.0 M 0.0 M
12/10/2017 7:00 AM 0.00 0.0 M 0.0 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 0.0 M
12/14/2017 6:30 AM 0.16 1.7 M 1.5 M
12/15/2017 7:00 AM 0.00 0.0 M 1.0 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 0.0 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 0.0 M
12/20/2017 7:00 AM 0.00 0.0 M 0.0 M
12/21/2017 6:45 AM 0.12 1.4 M 1.4 M
12/22/2017 7:00 AM 0.05 1.4 M 2.0 M
12/23/2017 7:00 AM 0.00 0.0 M 1.0 M
12/24/2017 7:00 AM 0.26 3.9 M 5.0 M
12/25/2017 7:00 AM 0.00 0.0 M 4.0 M
12/26/2017 7:00 AM 0.01 0.4 M 4.0 M
12/27/2017 7:00 AM T 0.1 M 4.0 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 1.0 M
12/30/2017 7:00 AM T 0.1 M T M
12/31/2017 7:00 AM T T M T M
1/1/2018 7:00 AM 0.01 0.1 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 M M
1/6/2018 7:00 AM 0.00 0.0 M T M
1/7/2018 7:00 AM 0.00 0.0 M T 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 0.0 M
1/12/2018 7:00 AM 0.00 0.0 M 0.0 M
1/13/2018 7:00 AM 0.00 0.0 M 0.0 M
1/14/2018 7:00 AM 0.00 0.0 M M M
1/15/2018 6:50 AM 0.01 T M T M freezing drizzle and snow grains. Thin glaze on roads.
1/16/2018 7:00 AM 0.05 1.7 M 1.0 M
1/17/2018 7:00 AM 0.00 0.0 M 1.0 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 M M
1/21/2018 7:00 AM 0.40 3.7 M 3.7 M
1/22/2018 7:00 AM 0.28 3.2 M 6.0 M
1/23/2018 7:00 AM 0.00 0.0 M 5.0 M
1/24/2018 7:00 AM 0.00 0.0 M 4.0 M
1/25/2018 7:00 AM 0.00 0.0 M 4.0 M
1/26/2018 7:00 AM 0.00 0.0 M 3.0 M
1/27/2018 7:00 AM 0.00 0.0 M 3.0 M
1/28/2018 7:00 AM 0.00 0.0 M 3.0 M
1/29/2018 7:00 AM 0.00 0.0 M 2.0 M
1/30/2018 7:00 AM 0.00 0.0 M 1.0 M
1/31/2018 7:00 AM 0.00 0.0 M T M
2/1/2018 6:45 AM 0.02 0.4 M 0.5 M
2/2/2018 7:00 AM 0.01 0.1 M 0.5 M
2/3/2018 7:00 AM 0.00 0.0 M M M
2/4/2018 7:00 AM 0.01 T M T M spotty glaze from freezing drizzle. A few snow grains too.
2/5/2018 7:00 AM 0.01 0.1 M 0.0 M snow grains yesterday morning, sprinkles this morning beginning 6:45 AM. Brilliant half-rainbow against foothills 7:15 AM
2/6/2018 7:00 AM 0.02 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 0.0 M
2/9/2018 7:00 AM 0.00 0.0 M 0.0 M ice fog
2/10/2018 6:30 AM 0.13 1.6 M 1.6 M
2/11/2018 7:00 AM 0.16 4.0 M 5.0 M
2/12/2018 7:00 AM T T M 2.5 M
2/13/2018 7:00 AM T 0.1 M 2.5 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 6:30 AM 0.02 0.5 M 0.5 M
2/20/2018 6:30 AM 0.48 8.4 M 8.5 M
2/21/2018 7:00 AM 0.00 0.0 M 6.0 M
2/22/2018 7:00 AM 0.00 0.0 M 4.0 M
2/23/2018 7:00 AM T T M 4.0 M
2/24/2018 7:00 AM 0.13 2.7 M 6.0 M
2/25/2018 7:00 AM 0.00 0.0 M 4.0 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 2.0 M
2/28/2018 7:00 AM 0.00 0.0 M 1.0 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 T M
3/3/2018 7:00 AM 0.00 0.0 M T M
3/4/2018 7:00 AM 0.00 0.0 M 0.0 M
3/5/2018 7:00 AM 0.00 0.0 M 0.0 M
3/6/2018 7:00 AM 0.00 0.0 M 0.0 M
3/7/2018 7:00 AM 0.00 0.0 M 0.0 M
3/8/2018 7:00 AM 0.00 0.0 M 0.0 M
3/9/2018 7:00 AM 0.00 0.0 M 0.0 M
3/10/2018 7:00 AM 0.00 0.0 M 0.0 M
3/11/2018 7:00 AM 0.00 0.0 M 0.0 M
3/12/2018 7:00 AM 0.00 0.0 M 0.0 M
3/13/2018 7:00 AM 0.00 0.0 M 0.0 M
3/14/2018 7:00 AM 0.00 0.0 M 0.0 M
3/15/2018 7:00 AM 0.00 0.0 M 0.0 M
3/16/2018 7:00 AM 0.30 0.0 M 0.0 M 0.1 of hail was measured from evening thunderstorm. No snow.
3/17/2018 7:00 AM 0.00 0.0 M 0.0 M
3/18/2018 7:00 AM 0.00 0.0 M 0.0 M
3/19/2018 7:00 AM 0.60 1.1 M 1.0 M
3/20/2018 7:00 AM T T M T M
3/21/2018 7:00 AM 0.00 0.0 M 0.0 M
3/22/2018 7:00 AM 0.00 0.0 M 0.0 M
3/23/2018 7:00 AM 0.00 0.0 M 0.0 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 0.0 M
3/27/2018 7:00 AM 0.64 3.1 M 3.0 M
3/28/2018 7:00 AM 0.00 0.0 M T M
3/29/2018 7:00 AM 0.47 1.8 M 1.0 M
3/30/2018 7:00 AM 0.12 0.2 M T M
3/31/2018 7:00 AM 0.00 0.0 M M M
4/1/2018 7:00 AM 0.01 0.1 M T M
4/2/2018 7:00 AM T T M 0.0 M
4/3/2018 7:00 AM 0.00 0.0 M 0.0 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 0.0 M
4/6/2018 7:00 AM 0.00 0.0 M 0.0 M
4/7/2018 7:00 AM 0.38 3.7 M 3.5 M few drops of freezing rain this morning (not measurable)
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 0.06 T M 0.0 M
4/11/2018 7:00 AM 0.00 0.0 M 0.0 M
4/12/2018 7:00 AM 0.00 0.0 M 0.0 M
4/13/2018 7:00 AM T 0.0 M 0.0 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 0.0 M
4/16/2018 7:00 AM 0.00 0.0 M 0.0 M
4/17/2018 7:00 AM 0.00 0.0 M 0.0 M
4/18/2018 7:00 AM T T M 0.0 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 0.29 0.3 M T M
4/22/2018 7:00 AM 0.12 0.1 M 0.0 M
4/23/2018 7:00 AM 0.00 0.0 M 0.0 M
4/24/2018 6:30 AM 0.18 0.1 M T M
4/25/2018 7:00 AM 0.32 0.3 M 0.0 M
4/26/2018 7:00 AM 0.00 0.0 M 0.0 M
4/27/2018 7:00 AM 0.00 0.0 M 0.0 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 0.0 M
5/1/2018 7:00 AM 0.01 0.0 M 0.0 M
5/2/2018 7:00 AM T 0.0 M 0.0 M
5/3/2018 6:50 AM 1.04 0.0 M 0.0 M
5/4/2018 7:00 AM 0.65 0.0 M 0.0 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 0.0 M
5/9/2018 7:00 AM 0.00 0.0 M 0.0 M
5/10/2018 7:00 AM 0.00 0.0 M 0.0 M
5/11/2018 7:00 AM 0.00 0.0 M 0.0 M
5/12/2018 7:15 AM 0.21 0.0 M 0.0 M
5/13/2018 7:00 AM 0.39 0.0 M 0.0 M all 0.60 in last 30 hours fell mainly as drizzle, except ~0.10 in thundershower Saturday evening. Currently 1/4 mile in dense fog.
5/14/2018 7:00 AM 0.67 0.0 M 0.0 M 1/4" hail last evening 8:50 PM
5/15/2018 7:00 AM 0.02 0.0 M 0.0 M
5/16/2018 7:00 AM 0.00 0.0 M 0.0 M
5/17/2018 7:00 AM 0.00 0.0 M 0.0 M
5/18/2018 7:00 AM 0.00 0.0 M 0.0 M
5/19/2018 7:00 AM 0.53 0.0 M 0.0 M 3/4 hail 3:10 PM Fri (most of the hail was smaller).
5/20/2018 7:15 AM 0.49 0.0 M 0.0 M
5/21/2018 7:00 AM 0.18 0.0 M 0.0 M
5/22/2018 7:00 AM 0.00 0.0 M 0.0 M
5/23/2018 7:00 AM 0.03 0.0 M 0.0 M
5/24/2018 7:00 AM 0.01 0.0 M 0.0 M
5/25/2018 7:00 AM 0.00 0.0 M 0.0 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 0.0 M
5/28/2018 7:00 AM T 0.0 M 0.0 M
5/29/2018 7:00 AM 0.05 0.0 M 0.0 M
5/30/2018 7:00 AM 0.00 0.0 M 0.0 M
5/31/2018 7:00 AM 0.17 0.0 M 0.0 M
6/1/2018 7:00 AM 0.00 0.0 M 0.0 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 0.0 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 0.0 M
6/13/2018 7:00 AM 0.00 0.0 M 0.0 M
6/14/2018 7:00 AM 0.00 0.0 M 0.0 M
6/15/2018 7:00 AM 0.00 0.0 M 0.0 M
6/16/2018 7:00 AM 0.02 0.0 M 0.0 M
6/17/2018 7:00 AM 0.13 0.0 M 0.0 M
6/18/2018 7:00 AM 0.77 0.0 M 0.0 M
6/19/2018 7:00 AM 0.49 0.0 M 0.0 M penny-sized hail at 5:55PM and again at 7:15PM
6/20/2018 7:00 AM T 0.0 M 0.0 M
6/21/2018 7:00 AM 0.00 0.0 M M M
6/22/2018 7:00 AM T 0.0 M 0.0 M
6/23/2018 6:00 AM 0.01 0.0 M 0.0 M
6/24/2018 7:00 AM 0.00 0.0 M M M
6/25/2018 7:00 AM 0.02 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 0.00 0.0 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 0.0 M
7/4/2018 7:00 AM 0.00 0.0 M M M
7/5/2018 7:00 AM T 0.0 M 0.0 M
7/6/2018 7:00 AM 0.30 0.0 M 0.0 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 0.0 M
7/10/2018 7:00 AM 0.00 0.0 M 0.0 M
7/11/2018 7:00 AM 0.00 0.0 M 0.0 M
7/12/2018 7:00 AM 0.00 0.0 M 0.0 M
7/13/2018 7:00 AM 0.03 0.0 M 0.0 M
7/14/2018 7:00 AM 0.00 0.0 M 0.0 M
7/15/2018 7:00 AM 0.00 0.0 M 0.0 M
7/16/2018 7:00 AM 0.35 0.0 M 0.0 M
7/17/2018 7:00 AM 0.00 0.0 M 0.0 M
7/18/2018 7:00 AM 0.01 0.0 M 0.0 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 0.0 M
7/22/2018 7:00 AM 0.01 0.0 M 0.0 M
7/23/2018 7:00 AM 0.12 0.0 M 0.0 M
7/24/2018 7:00 AM 0.40 0.0 M 0.0 M
7/25/2018 7:00 AM 0.00 0.0 M M M
7/26/2018 7:00 AM 0.10 0.0 M 0.0 M
7/27/2018 7:00 AM 0.24 0.0 M 0.0 M
7/28/2018 7:00 AM 0.05 0.0 M 0.0 M
7/29/2018 7:00 AM 0.06 0.0 M 0.0 M
7/30/2018 7:00 AM T 0.0 M 0.0 M
7/31/2018 7:00 AM 0.00 0.0 M 0.0 M
8/1/2018 7:00 AM 0.00 0.0 M 0.0 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 0.0 M
8/4/2018 7:00 AM 0.01 0.0 M 0.0 M minor wind damage last evening, 66 mph at NCAR ML
8/5/2018 7:00 AM T 0.0 M 0.0 M
8/6/2018 7:00 AM 0.01 0.0 M 0.0 M
8/7/2018 7:00 AM 0.00 0.0 M 0.0 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 6:00 AM 0.00 0.0 M 0.0 M
8/13/2018 7:00 AM 0.00 0.0 M 0.0 M perseid meteor shower slightly dimmed by smoke haze
8/14/2018 7:00 AM 0.00 0.0 M 0.0 M
8/15/2018 7:00 AM 0.04 0.0 M 0.0 M
8/16/2018 7:00 AM 0.00 0.0 M 0.0 M
8/17/2018 7:00 AM 0.00 0.0 M 0.0 M
8/18/2018 7:00 AM 0.00 0.0 M 0.0 M
8/19/2018 7:00 AM 0.18 0.0 M 0.0 M
8/20/2018 7:00 AM 0.01 0.0 M 0.0 M
8/21/2018 7:00 AM T 0.0 M 0.0 M
8/22/2018 7:00 AM 0.02 0.0 M 0.0 M
8/23/2018 7:00 AM 0.00 0.0 M 0.0 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 0.0 M
8/27/2018 7:00 AM 0.00 0.0 M 0.0 M strong winds 2-5AM, blew down the corn
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 0.0 M
8/31/2018 7:00 AM 0.00 0.0 M 0.0 M
9/1/2018 7:00 AM T 0.0 M 0.0 M
9/2/2018 7:00 AM T 0.0 M 0.0 M
9/3/2018 7:00 AM 0.00 0.0 M 0.0 M
9/4/2018 7:00 AM 0.00 0.0 M 0.0 M
9/5/2018 6:30 AM 0.78 0.0 M 0.0 M lightning and thunder for 5 hours, 10:30 PM to 3:30 AM
9/6/2018 7:00 AM 0.05 0.0 M 0.0 M
9/7/2018 7:00 AM 0.04 0.0 M 0.0 M
9/8/2018 7:00 AM 0.00 0.0 M 0.0 M
9/9/2018 7:00 AM T 0.0 M 0.0 M sprinkle with outflow winds around 10 pm
9/10/2018 7:00 AM 0.00 0.0 M 0.0 M
9/11/2018 7:00 AM 0.00 0.0 M 0.0 M
9/12/2018 7:00 AM 0.00 0.0 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 0.01 0.0 M 0.0 M
9/21/2018 7:00 AM 0.00 0.0 M 0.0 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 0.0 M
9/25/2018 7:00 AM 0.00 0.0 M 0.0 M
9/26/2018 7:00 AM 0.00 0.0 M 0.0 M
9/27/2018 7:00 AM 0.00 0.0 M 0.0 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 0.0 M
9/30/2018 7:00 AM 0.00 0.0 M 0.0 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
3/15/2018 7:40 PM season's first thunder. Still going on 7:46, but lighter in intensity 1/4" Pea Size Rice Rice Hard|Clear Ice|White Ice 6 1min Continuous False After rain After smaller hail
5/13/2018 8:50 PM frequent lightning 1/4" Pea Size 1/4" Pea Size Rice Hard|White Ice 5 1min minor leaf damage Continuous True Same time as rain Same time as smaller hail
5/18/2018 3:17 PM 3/4" Penny Size 1/4" Pea Size 1/4" Pea Size Hard|Clear Ice|White Ice 4 1min minor leaf damage Continuous False After rain Same time as smaller hail
6/18/2018 5:55 PM hail was very widely spaced. Heard more than I saw. 3/4" Penny Size 1/2" Grape NA Hard|White Ice 15 3min no damage Intermittent True Before rain Same time as smaller hail
6/18/2018 7:35 PM This is from the following address in Louisville: 716 Ponderosa Court 2" Hen Egg Size NA NA Hard|White Ice shredded leaves False