Station Overview Station Location
Station Number IL-CK-61 Latitude 41.87558
Station Name Oak Park 1.0 SW Longitude -87.80111
County Cook Elevation (ft) 633



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 3.10 11.44 31 11.44 31 0.00 0 0 13 1 0.0 0 0
Nov 17 3.29 2.46 28 1.51 24 0.95 4 2 8 0 0.2 1 0
Dec 17 2.42 0.36 27 0.36 17 0.00 10 1 4 3 4.5 3 5
Jan 18 1.98 0.59 7 0.59 7 0.00 0 0 2 2 0.5 1 3
Feb 18 1.86 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
March 18 2.58 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 18 3.58 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
May 18 4.22 4.96 28 4.96 28 0.00 0 0 14 0 0.0 0 0
June 18 4.16 8.25 29 8.25 29 0.00 0 0 17 0 0.0 0 0
July 18 3.98 1.65 30 0.78 21 0.87 9 3 5 0 0.0 0 0
Aug 18 4.35 5.64 30 5.64 30 0.00 0 0 14 0 0.0 0 0
Sept 18 3.44 4.79 30 1.93 24 2.86 6 2 8 1 0.0 0 0
Water Year Totals: 38.96" 40.14" 240 days 35.46" 211 4.68" 29 days 8 85 days 7 days 5.2" 5 days 8 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 0.00
10/2/2017 0.00
10/3/2017 0.00
10/4/2017 0.02
10/5/2017 0.04
10/6/2017 0.18
10/7/2017 0.18
10/8/2017 0.60
10/9/2017 0.00
10/10/2017 0.00
10/11/2017 1.81
10/12/2017 0.11
10/13/2017 T
10/14/2017 0.90
10/15/2017 5.36
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 0.99
10/24/2017 0.61
10/25/2017 0.59
10/26/2017 0.00
10/27/2017 0.00
10/28/2017 0.05
10/29/2017 0.00
10/30/2017 0.00
10/31/2017 0.00
11/1/2017 0.00
11/2/2017 0.34
11/3/2017 **
11/4/2017 0.14
11/5/2017 0.60
11/6/2017 0.03
11/7/2017 0.00
11/8/2017 0.00
11/9/2017
11/10/2017
11/11/2017 0.02
11/12/2017 0.02
11/13/2017 0.19
11/14/2017 0.00
11/15/2017 0.14
11/16/2017 0.17
11/17/2017 0.00
11/18/2017 **
11/19/2017 0.81
11/20/2017 0.00
11/21/2017 0.00
11/22/2017 0.00
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 0.00
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 0.06
12/6/2017 0.00
12/7/2017 T
12/8/2017 T
12/9/2017 0.05
12/10/2017 T
12/11/2017 0.00
12/12/2017 0.05
12/13/2017 **
12/14/2017 **
12/15/2017 **
12/16/2017 **
12/17/2017 **
12/18/2017 **
12/19/2017 **
12/20/2017 **
12/21/2017 **
12/22/2017 T
12/23/2017 0.00
12/24/2017 0.00
12/25/2017 0.20
12/26/2017 0.00
12/27/2017 0.00
12/28/2017
12/29/2017
12/30/2017
12/31/2017
Day of YearDaily PrcpMultiday Prcp
1/1/2018 0.00
1/2/2018
1/3/2018
1/4/2018
1/5/2018
1/6/2018
1/7/2018
1/8/2018
1/9/2018
1/10/2018
1/11/2018 T
1/12/2018
1/13/2018
1/14/2018
1/15/2018
1/16/2018
1/17/2018
1/18/2018
1/19/2018
1/20/2018
1/21/2018
1/22/2018 0.50
1/23/2018 0.09
1/24/2018 T
1/25/2018
1/26/2018
1/27/2018 0.00
1/28/2018 0.00
1/29/2018
1/30/2018
1/31/2018
2/1/2018
2/2/2018
2/3/2018
2/4/2018
2/5/2018
2/6/2018
2/7/2018
2/8/2018
2/9/2018
2/10/2018
2/11/2018
2/12/2018
2/13/2018
2/14/2018
2/15/2018
2/16/2018
2/17/2018
2/18/2018
2/19/2018
2/20/2018
2/21/2018
2/22/2018
2/23/2018
2/24/2018
2/25/2018
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
3/31/2018
Day of YearDaily PrcpMultiday Prcp
4/1/2018
4/2/2018
4/3/2018
4/4/2018
4/5/2018
4/6/2018
4/7/2018
4/8/2018
4/9/2018
4/10/2018
4/11/2018
4/12/2018
4/13/2018
4/14/2018
4/15/2018
4/16/2018
4/17/2018
4/18/2018
4/19/2018
4/20/2018
4/21/2018
4/22/2018
4/23/2018
4/24/2018
4/25/2018
4/26/2018
4/27/2018
4/28/2018
4/29/2018
4/30/2018
5/1/2018
5/2/2018
5/3/2018
5/4/2018 0.04
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 0.27
5/11/2018 0.08
5/12/2018 0.07
5/13/2018 0.65
5/14/2018 0.28
5/15/2018 1.29
5/16/2018 0.02
5/17/2018 0.00
5/18/2018 0.00
5/19/2018 0.18
5/20/2018 0.01
5/21/2018 0.28
5/22/2018 1.61
5/23/2018 0.01
5/24/2018 0.00
5/25/2018 0.00
5/26/2018 0.00
5/27/2018 0.00
5/28/2018 0.00
5/29/2018 0.00
5/30/2018 0.00
5/31/2018 0.17
6/1/2018 0.00
6/2/2018 0.00
6/3/2018 0.79
6/4/2018 0.00
6/5/2018 0.01
6/6/2018
6/7/2018 0.10
6/8/2018 0.00
6/9/2018 0.58
6/10/2018 0.81
6/11/2018 0.25
6/12/2018 0.04
6/13/2018 0.01
6/14/2018 0.00
6/15/2018 0.00
6/16/2018 1.04
6/17/2018 0.00
6/18/2018 0.01
6/19/2018 0.56
6/20/2018 0.01
6/21/2018 0.35
6/22/2018 2.25
6/23/2018 0.68
6/24/2018 0.00
6/25/2018 0.00
6/26/2018 0.00
6/27/2018 0.75
6/28/2018 0.01
6/29/2018 0.00
6/30/2018 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2018 0.00
7/2/2018 0.02
7/3/2018 0.00
7/4/2018 0.00
7/5/2018 0.07
7/6/2018 0.15
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 0.00
7/14/2018 **
7/15/2018 0.40
7/16/2018
7/17/2018 0.53
7/18/2018 0.00
7/19/2018 0.00
7/20/2018 0.01
7/21/2018 **
7/22/2018 **
7/23/2018 0.41
7/24/2018 0.00
7/25/2018 0.00
7/26/2018 0.00
7/27/2018 0.00
7/28/2018 **
7/29/2018 **
7/30/2018 **
7/31/2018 0.06
8/1/2018 0.01
8/2/2018 0.02
8/3/2018 0.00
8/4/2018 0.00
8/5/2018 0.02
8/6/2018 0.00
8/7/2018 0.24
8/8/2018 0.34
8/9/2018
8/10/2018 0.13
8/11/2018 0.00
8/12/2018 0.00
8/13/2018 0.00
8/14/2018 0.00
8/15/2018 0.00
8/16/2018 0.93
8/17/2018 0.85
8/18/2018 0.11
8/19/2018 0.00
8/20/2018 0.00
8/21/2018 1.24
8/22/2018 0.08
8/23/2018 0.00
8/24/2018 0.00
8/25/2018 0.09
8/26/2018 0.00
8/27/2018 0.00
8/28/2018 0.00
8/29/2018 1.56
8/30/2018 0.02
8/31/2018 0.00
9/1/2018 1.21
9/2/2018 **
9/3/2018 **
9/4/2018 **
9/5/2018 1.44
9/6/2018 **
9/7/2018 1.42
9/8/2018 0.34
9/9/2018 0.00
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 T
9/20/2018 0.03
9/21/2018 0.06
9/22/2018 0.00
9/23/2018 0.00
9/24/2018 0.00
9/25/2018 0.03
9/26/2018 0.17
9/27/2018 0.00
9/28/2018 0.00
9/29/2018 0.07
9/30/2018 0.02



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2017 7:00 AM 0.00 0.0 M M M
10/2/2017 7:00 AM 0.00 0.0 M M M
10/3/2017 7:00 AM 0.00 M M M M
10/4/2017 7:00 AM 0.02 M M M M
10/5/2017 7:00 AM 0.04 M M M M
10/6/2017 7:00 AM 0.18 M M M M
10/7/2017 7:00 AM 0.18 M M M M
10/8/2017 7:00 AM 0.60 M M M M
10/9/2017 7:00 AM 0.00 0.0 M M M
10/10/2017 7:00 AM 0.00 0.0 M M M
10/11/2017 7:00 AM 1.81 M M M M
10/12/2017 7:00 AM 0.11 M M M M
10/13/2017 7:00 AM T M M M M
10/14/2017 7:00 AM 0.90 M M M M
10/15/2017 7:00 AM 5.36 M M M M Wow
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 0.99 M M M M
10/24/2017 7:00 AM 0.61 M M M M
10/25/2017 7:00 AM 0.59 M M M M
10/26/2017 7:00 AM 0.00 0.0 M M M
10/27/2017 7:00 AM 0.00 0.0 M M M
10/28/2017 7:00 AM 0.05 M M M M
10/29/2017 7:00 AM 0.00 0.0 M M M
10/30/2017 7:00 AM 0.00 0.0 M M M
10/31/2017 7:00 AM 0.00 0.0 M M M
11/1/2017 7:00 AM 0.00 0.0 M M M
11/2/2017 7:00 AM 0.34 M M M M
11/5/2017 7:00 AM 0.60 M M M M
11/6/2017 7:00 AM 0.03 M M M M
11/7/2017 7:00 AM 0.00 0.0 M M M
11/8/2017 7:00 AM 0.00 0.0 M M M
11/11/2017 7:00 AM 0.02 0.2 M M M
11/12/2017 7:00 AM 0.02 0.0 M M M I saw flurries yesterday, but I was not near my home.
11/13/2017 7:00 AM 0.19 M M M M
11/14/2017 7:00 AM 0.00 0.0 M M M
11/15/2017 7:00 AM 0.14 M M M M
11/16/2017 7:00 AM 0.17 M M M M
11/17/2017 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 0.00 0.0 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 0.00 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 0.06 M M M M
12/6/2017 7:00 AM 0.00 0.0 M M M
12/7/2017 7:00 AM T T M T M
12/8/2017 7:00 AM T T M 0.0 M
12/9/2017 7:00 AM 0.05 1.0 M 1.0 M
12/10/2017 7:00 AM T T M M M
12/11/2017 7:00 AM 0.00 0.0 M T M
12/12/2017 7:00 AM 0.05 1.0 M 1.0 M
12/23/2017 7:00 AM 0.00 0.0 M M M
12/24/2017 7:00 AM 0.00 0.0 M M M
12/25/2017 7:00 AM 0.20 2.5 M 2.5 M
12/26/2017 7:00 AM 0.00 0.0 M 2.0 M
12/27/2017 7:00 AM 0.00 0.0 M 2.0 M
1/1/2018 7:00 AM 0.00 0.0 M 2.0 M
1/11/2018 7:00 AM T 0.0 M 0.0 M
1/22/2018 7:00 AM 0.50 0.0 M 0.0 M
1/23/2018 7:00 AM 0.09 0.5 M 0.5 M
1/24/2018 7:00 AM T 0.0 M 0.5 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
5/4/2018 7:00 AM 0.04 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 0.27 M M M M
5/11/2018 7:00 AM 0.08 M M M M
5/12/2018 7:00 AM 0.07 M M M M
5/13/2018 7:00 AM 0.65 M M M M
5/14/2018 7:00 AM 0.28 M M M M
5/15/2018 7:00 AM 1.29 M M M M
5/16/2018 7:00 AM 0.02 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 0.01 M M M M
5/21/2018 7:00 AM 0.28 M M M M I took a reading of .15" at 6:30. It started to rain shortly thereafter. At 7:00, another .13 was in the gauge and it is still raining.
5/22/2018 7:00 AM 1.61 M M M M
5/23/2018 7:00 AM 0.01 M M M M
5/24/2018 7:00 AM 0.00 0.0 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 0.00 0.0 M M M
5/30/2018 7:00 AM 0.00 0.0 M M M
5/31/2018 7:00 AM 0.17 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 0.79 M M M M
6/4/2018 7:00 AM 0.00 0.0 M M M
6/5/2018 7:00 AM 0.01 M M M M
6/7/2018 7:00 AM 0.10 M M M M
6/8/2018 7:00 AM 0.00 0.0 M M M
6/9/2018 9:20 AM 0.58 M M M M
6/10/2018 8:30 AM 0.81 M M M M
6/11/2018 7:00 AM 0.25 M M M M There was light rain/mist coming down when I took the measurement.
6/12/2018 7:00 AM 0.04 M M M M
6/13/2018 7:00 AM 0.01 M 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 1.04 M M M M
6/17/2018 7:00 AM 0.00 0.0 M M M
6/18/2018 7:00 AM 0.01 M M M M It rained briefly in the mid afternoon.
6/19/2018 7:00 AM 0.56 M M M M
6/20/2018 7:00 AM 0.01 M M M M
6/21/2018 7:00 AM 0.35 M M M M
6/22/2018 7:00 AM 2.25 M M M M
6/23/2018 7:00 AM 0.68 M M M M
6/24/2018 7:00 AM 0.00 0.0 M M M
6/25/2018 7:00 AM 0.00 0.0 M M M
6/26/2018 7:00 AM 0.00 0.0 M M M
6/27/2018 7:00 AM 0.75 M M M M
6/28/2018 7:00 AM 0.01 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 0.00 0.0 M M M
7/2/2018 7:00 AM 0.02 M 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 0.07 M M M M
7/6/2018 7:00 AM 0.15 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 0.00 0.0 M M M
7/17/2018 7:00 AM 0.53 M M M M This catch occurred in about 15 minutes, starting shortly before 2pm.
7/18/2018 7:00 AM 0.00 0.0 M M M
7/19/2018 7:00 AM 0.00 0.0 M M M
7/20/2018 7:00 AM 0.01 M M M M
7/24/2018 7:00 AM 0.00 0.0 M M M
7/25/2018 7:00 AM 0.00 0.0 M M M
7/26/2018 7:00 AM 0.00 0.0 M M M
7/27/2018 7:00 AM 0.00 0.0 M M M
8/1/2018 7:00 AM 0.01 M M M M
8/2/2018 7:00 AM 0.02 M M M M
8/3/2018 7:00 AM 0.00 0.0 M M M
8/4/2018 7:00 AM 0.00 0.0 M M M
8/5/2018 7:00 AM 0.02 M M M M
8/6/2018 7:00 AM 0.00 0.0 M M M
8/7/2018 7:00 AM 0.24 M M M M
8/8/2018 7:00 AM 0.34 M M M M
8/10/2018 7:00 AM 0.13 M 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 0.00 0.0 M M M
8/16/2018 7:00 AM 0.93 M M M M
8/17/2018 7:00 AM 0.85 M M M M
8/18/2018 7:00 AM 0.11 M M M M
8/19/2018 7:00 AM 0.00 0.0 M M M
8/20/2018 7:00 AM 0.00 0.0 M M M
8/21/2018 7:00 AM 1.24 M M M M About a quarter inch had fallen before 7pm.
8/22/2018 7:00 AM 0.08 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 0.09 M 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 1.56 M M M M
8/30/2018 7:00 AM 0.02 M M M M
8/31/2018 7:00 AM 0.00 0.0 M M M
9/1/2018 7:00 AM 1.21 M M M M
9/8/2018 7:00 AM 0.34 M M M M
9/9/2018 7:00 AM 0.00 0.0 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 0.00 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 T M M M M
9/20/2018 7:00 AM 0.03 M M M M
9/21/2018 7:00 AM 0.06 M 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 0.03 M M M M
9/26/2018 7:00 AM 0.17 M 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 0.07 M M M M
9/30/2018 7:00 AM 0.02 M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
11/3/2017 11/04/2017 8:00 AM 2 0.14 M M
11/18/2017 11/19/2017 7:00 AM 2 0.81 M M There was snow on Saturday morning according to my family.
12/13/2017 12/22/2017 7:00 AM 10 T T M
7/14/2018 7/15/2018 7:00 AM 2 0.40 M M
7/21/2018 7/23/2018 7:00 AM 3 0.41 M M
7/28/2018 7/31/2018 7:00 AM 4 0.06 M M Took note of this measurement when I got home Monday evening from a weekend trip. Large potted plants looked parched! Thank goodness for the rain barrel.
9/2/2018 9/05/2018 7:00 AM 4 1.44 M M There was approximately .55" in the gauge on Saturday, at noon.
9/6/2018 9/07/2018 7:00 AM 2 1.42 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