Station Overview Station Location
Station Number IL-CK-163 Latitude 42.081944
Station Name Arlington Heights 1.2 SW Longitude -87.997116
County Cook Elevation (ft) 708



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 19 2.97 7.20 31 7.20 31 0.00 0 0 13 0 0.5 1 0
Nov 19 3.01 0.13 1 0.13 1 0.00 0 0 1 0 3.8 1 1
Dec 19 2.24 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Jan 20 1.74 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Feb 20 1.68 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
March 20 2.30 1.88 6 1.88 6 0.00 0 0 4 1 0.0 0 0
April 20 3.42 4.88 30 4.88 30 0.00 0 0 18 1 2.9 2 2
May 20 4.06 7.98 31 7.98 31 0.00 0 0 16 3 0.0 0 0
June 20 4.02 4.51 30 4.51 30 0.00 0 0 12 0 0.0 0 0
July 20 3.83 3.33 31 3.33 31 0.00 0 0 11 0 0.0 0 0
Aug 20 4.50 3.02 31 3.02 31 0.00 0 0 8 1 0.0 0 0
Sept 20 3.40 3.90 30 3.90 30 0.00 0 0 11 1 0.0 0 0
Water Year Totals: 37.17" 36.83" 221 days 36.83" 221 0.00" 0 days 0 94 days 7 days 7.2" 4 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
10/1/2019 0.00
10/2/2019 0.21
10/3/2019 1.82
10/4/2019 0.00
10/5/2019 0.00
10/6/2019 0.35
10/7/2019 0.00
10/8/2019 0.00
10/9/2019 0.00
10/10/2019 0.00
10/11/2019 0.46
10/12/2019 0.94
10/13/2019 0.00
10/14/2019 0.00
10/15/2019 0.00
10/16/2019 0.01
10/17/2019 0.00
10/18/2019 0.00
10/19/2019 0.00
10/20/2019 0.00
10/21/2019 0.00
10/22/2019 0.21
10/23/2019 0.02
10/24/2019 0.06
10/25/2019 0.00
10/26/2019 0.00
10/27/2019 2.22
10/28/2019 0.00
10/29/2019 0.23
10/30/2019 0.10
10/31/2019 0.57
11/1/2019 0.13
11/2/2019
11/3/2019
11/4/2019
11/5/2019
11/6/2019
11/7/2019
11/8/2019
11/9/2019
11/10/2019
11/11/2019
11/12/2019
11/13/2019
11/14/2019
11/15/2019
11/16/2019
11/17/2019
11/18/2019
11/19/2019
11/20/2019
11/21/2019
11/22/2019
11/23/2019
11/24/2019
11/25/2019
11/26/2019
11/27/2019
11/28/2019
11/29/2019
11/30/2019
12/1/2019
12/2/2019
12/3/2019
12/4/2019
12/5/2019
12/6/2019
12/7/2019
12/8/2019
12/9/2019
12/10/2019
12/11/2019
12/12/2019
12/13/2019
12/14/2019
12/15/2019
12/16/2019
12/17/2019
12/18/2019
12/19/2019
12/20/2019
12/21/2019
12/22/2019
12/23/2019
12/24/2019
12/25/2019
12/26/2019
12/27/2019
12/28/2019
12/29/2019
12/30/2019
12/31/2019
Day of YearDaily PrcpMultiday Prcp
1/1/2020
1/2/2020
1/3/2020
1/4/2020
1/5/2020
1/6/2020
1/7/2020
1/8/2020
1/9/2020
1/10/2020
1/11/2020
1/12/2020
1/13/2020
1/14/2020
1/15/2020
1/16/2020
1/17/2020
1/18/2020
1/19/2020
1/20/2020
1/21/2020
1/22/2020
1/23/2020
1/24/2020
1/25/2020
1/26/2020
1/27/2020
1/28/2020
1/29/2020
1/30/2020
1/31/2020
2/1/2020
2/2/2020
2/3/2020
2/4/2020
2/5/2020
2/6/2020
2/7/2020
2/8/2020
2/9/2020
2/10/2020
2/11/2020
2/12/2020
2/13/2020
2/14/2020
2/15/2020
2/16/2020
2/17/2020
2/18/2020
2/19/2020
2/20/2020
2/21/2020
2/22/2020
2/23/2020
2/24/2020
2/25/2020
2/26/2020
2/27/2020
2/28/2020
2/29/2020
3/1/2020
3/2/2020
3/3/2020
3/4/2020
3/5/2020
3/6/2020
3/7/2020
3/8/2020
3/9/2020
3/10/2020
3/11/2020
3/12/2020
3/13/2020
3/14/2020
3/15/2020
3/16/2020
3/17/2020
3/18/2020
3/19/2020
3/20/2020
3/21/2020
3/22/2020
3/23/2020
3/24/2020
3/25/2020
3/26/2020 T
3/27/2020 0.03
3/28/2020 1.53
3/29/2020 0.30
3/30/2020 0.02
3/31/2020 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2020 0.02
4/2/2020 0.00
4/3/2020 0.04
4/4/2020 0.09
4/5/2020 0.00
4/6/2020 0.00
4/7/2020 0.08
4/8/2020 0.04
4/9/2020 0.27
4/10/2020 T
4/11/2020 0.00
4/12/2020 0.23
4/13/2020 0.28
4/14/2020 0.00
4/15/2020 0.09
4/16/2020 0.01
4/17/2020 0.22
4/18/2020 0.08
4/19/2020 0.00
4/20/2020 0.00
4/21/2020 0.03
4/22/2020 0.00
4/23/2020 0.08
4/24/2020 0.00
4/25/2020 0.00
4/26/2020 0.33
4/27/2020 0.00
4/28/2020 0.09
4/29/2020 1.20
4/30/2020 1.70
5/1/2020 0.02
5/2/2020 T
5/3/2020 T
5/4/2020 0.00
5/5/2020 0.02
5/6/2020 0.05
5/7/2020 0.00
5/8/2020 0.00
5/9/2020 0.00
5/10/2020 T
5/11/2020 0.25
5/12/2020 0.00
5/13/2020 0.00
5/14/2020 1.05
5/15/2020 2.14
5/16/2020 0.09
5/17/2020 0.88
5/18/2020 1.78
5/19/2020 0.19
5/20/2020 0.08
5/21/2020 0.00
5/22/2020 0.03
5/23/2020 0.00
5/24/2020 0.73
5/25/2020 0.34
5/26/2020 0.00
5/27/2020 0.00
5/28/2020 0.19
5/29/2020 0.14
5/30/2020 0.00
5/31/2020 0.00
6/1/2020 0.00
6/2/2020 0.03
6/3/2020 0.10
6/4/2020 0.17
6/5/2020 0.00
6/6/2020 0.00
6/7/2020 0.00
6/8/2020 0.00
6/9/2020 0.00
6/10/2020 0.42
6/11/2020 0.24
6/12/2020 0.00
6/13/2020 0.01
6/14/2020 0.00
6/15/2020 0.00
6/16/2020 0.00
6/17/2020 0.00
6/18/2020 0.00
6/19/2020 0.00
6/20/2020 0.00
6/21/2020 0.18
6/22/2020 0.00
6/23/2020 0.42
6/24/2020 0.01
6/25/2020 0.01
6/26/2020 0.00
6/27/2020 1.62
6/28/2020 0.00
6/29/2020 0.00
6/30/2020 1.30
Day of YearDaily PrcpMultiday Prcp
7/1/2020 0.00
7/2/2020 0.00
7/3/2020 0.00
7/4/2020 0.00
7/5/2020 0.00
7/6/2020 0.00
7/7/2020 0.00
7/8/2020 0.34
7/9/2020 0.00
7/10/2020 1.11
7/11/2020 0.03
7/12/2020 0.02
7/13/2020 0.00
7/14/2020 0.00
7/15/2020 0.00
7/16/2020 1.09
7/17/2020 0.00
7/18/2020 0.00
7/19/2020 0.02
7/20/2020 0.11
7/21/2020 0.00
7/22/2020 0.03
7/23/2020 0.00
7/24/2020 0.00
7/25/2020 0.00
7/26/2020 0.00
7/27/2020 0.21
7/28/2020 0.01
7/29/2020 0.00
7/30/2020 0.36
7/31/2020 0.00
8/1/2020 0.00
8/2/2020 0.01
8/3/2020 0.09
8/4/2020 T
8/5/2020 0.00
8/6/2020 0.00
8/7/2020 0.00
8/8/2020 0.00
8/9/2020 0.00
8/10/2020 0.48
8/11/2020 0.32
8/12/2020 0.00
8/13/2020 0.00
8/14/2020 0.00
8/15/2020 0.00
8/16/2020 0.00
8/17/2020 0.00
8/18/2020 0.00
8/19/2020 0.00
8/20/2020 0.00
8/21/2020 0.00
8/22/2020 0.00
8/23/2020 0.00
8/24/2020 1.45
8/25/2020 0.56
8/26/2020 0.00
8/27/2020 0.00
8/28/2020 0.02
8/29/2020 0.09
8/30/2020 0.00
8/31/2020 0.00
9/1/2020 0.00
9/2/2020 0.30
9/3/2020 0.00
9/4/2020 0.00
9/5/2020 0.00
9/6/2020 0.32
9/7/2020 0.12
9/8/2020 1.11
9/9/2020 0.53
9/10/2020 0.03
9/11/2020 0.53
9/12/2020 0.12
9/13/2020 0.27
9/14/2020 0.00
9/15/2020 0.00
9/16/2020 0.00
9/17/2020 0.00
9/18/2020 0.00
9/19/2020 0.00
9/20/2020 0.00
9/21/2020 0.00
9/22/2020 0.00
9/23/2020 0.00
9/24/2020 0.00
9/25/2020 0.00
9/26/2020 0.00
9/27/2020 0.00
9/28/2020 0.52
9/29/2020 0.05
9/30/2020 T



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2019 7:00 AM 0.00 0.0 M M M
10/2/2019 7:00 AM 0.21 M M M M
10/3/2019 7:00 AM 1.82 M M M M
10/4/2019 7:00 AM 0.00 0.0 M M M
10/5/2019 7:00 AM 0.00 0.0 M M M
10/6/2019 7:00 AM 0.35 M M M M
10/7/2019 7:00 AM 0.00 0.0 M M M
10/8/2019 7:00 AM 0.00 0.0 M M M
10/9/2019 7:00 AM 0.00 0.0 M M M
10/10/2019 7:00 AM 0.00 0.0 M M M
10/11/2019 7:00 AM 0.46 M M M M
10/12/2019 7:00 AM 0.94 M M M M
10/13/2019 7:00 AM 0.00 0.0 M M M
10/14/2019 7:00 AM 0.00 0.0 M M M
10/15/2019 7:00 AM 0.00 0.0 M M M
10/16/2019 7:00 AM 0.01 M M M M
10/17/2019 7:00 AM 0.00 0.0 M M M
10/18/2019 7:00 AM 0.00 0.0 M M M
10/19/2019 7:00 AM 0.00 0.0 M M M
10/20/2019 7:00 AM 0.00 0.0 M M M
10/21/2019 7:00 AM 0.00 0.0 M M M
10/22/2019 7:00 AM 0.21 M M M M
10/23/2019 7:00 AM 0.02 0.0 M M M
10/24/2019 7:00 AM 0.06 M M M M
10/25/2019 7:00 AM 0.00 0.0 M M M
10/26/2019 7:00 AM 0.00 0.0 M M M
10/27/2019 7:00 AM 2.22 M M M M
10/28/2019 7:00 AM 0.00 0.0 M M M
10/29/2019 7:00 AM 0.23 M M M M
10/30/2019 7:00 AM 0.10 M M M M
10/31/2019 7:00 AM 0.57 0.5 M M M
11/1/2019 7:00 AM 0.13 3.8 M 4.0 M
3/26/2020 7:00 AM T M M M M Experienced a very brief sprinkle as I was ending my walk around 545PM on 3/25.
3/27/2020 7:00 AM 0.03 M M M M
3/28/2020 7:00 AM 1.53 M M M M
3/29/2020 7:00 AM 0.30 M M M M
3/30/2020 7:00 AM 0.02 M M M M
3/31/2020 7:00 AM 0.00 0.0 M M M
4/1/2020 7:00 AM 0.02 M M M M
4/2/2020 7:00 AM 0.00 0.0 M M M
4/3/2020 7:00 AM 0.04 M M M M
4/4/2020 7:00 AM 0.09 M M M M
4/5/2020 7:00 AM 0.00 0.0 M M M
4/6/2020 7:00 AM 0.00 0.0 M M M
4/7/2020 7:00 AM 0.08 M M M M
4/8/2020 7:00 AM 0.04 M M M M
4/9/2020 7:00 AM 0.27 M M M M
4/10/2020 7:00 AM T T T M M Intermittent snow squalls all afternoon on 4/9. No accumulation.
4/11/2020 7:00 AM 0.00 0.0 M M M
4/12/2020 7:00 AM 0.23 M M M M
4/13/2020 7:00 AM 0.28 M M M M
4/14/2020 7:00 AM 0.00 0.0 M M M
4/15/2020 7:00 AM 0.09 0.9 M 1.0 M The ground was white with light snow in progress at obs time.
4/16/2020 7:00 AM 0.01 M M M M
4/17/2020 7:00 AM 0.22 2.0 M 2.0 M
4/18/2020 7:00 AM 0.08 M M M M
4/19/2020 7:00 AM 0.00 0.0 M M M
4/20/2020 7:00 AM 0.00 0.0 M M M
4/21/2020 7:00 AM 0.03 M M M M
4/22/2020 7:00 AM 0.00 0.0 M M M
4/23/2020 7:00 AM 0.08 M M M M
4/24/2020 7:00 AM 0.00 0.0 M M M
4/25/2020 7:00 AM 0.00 0.0 M M M
4/26/2020 7:00 AM 0.33 M M M M
4/27/2020 7:00 AM 0.00 0.0 M M M
4/28/2020 7:00 AM 0.09 M M M M Dense fog at obs time
4/29/2020 7:00 AM 1.20 M M M M Light rain continuing at obs time
4/30/2020 7:00 AM 1.70 M M M M
5/1/2020 7:00 AM 0.02 M M M M
5/2/2020 7:00 AM T M M M M Just a few sprinkles afternoon of 5/1
5/3/2020 7:00 AM T 0.0 M M M Again, just a few light afternoon sprinkles
5/4/2020 7:00 AM 0.00 0.0 M M M
5/5/2020 7:00 AM 0.02 M M M M
5/6/2020 7:00 AM 0.05 M M M M
5/7/2020 7:00 AM 0.00 0.0 M M M
5/8/2020 7:00 AM 0.00 0.0 M M M
5/9/2020 7:00 AM 0.00 0.0 M M M
5/10/2020 7:00 AM T M M M M
5/11/2020 7:00 AM 0.25 M M M M
5/12/2020 7:00 AM 0.00 0.0 M M M
5/13/2020 7:00 AM 0.00 0.0 M M M
5/14/2020 7:00 AM 1.05 M M M M Thundershower in progress at observation time.
5/15/2020 7:00 AM 2.14 M M M M
5/16/2020 7:00 AM 0.09 M M M M
5/17/2020 7:00 AM 0.88 M M M M
5/18/2020 7:00 AM 1.78 M M M M
5/19/2020 7:00 AM 0.19 M M M M
5/20/2020 7:00 AM 0.08 M M M M
5/21/2020 7:00 AM 0.00 0.0 M M M
5/22/2020 7:00 AM 0.03 M M M M
5/23/2020 7:00 AM 0.00 0.0 M M M
5/24/2020 7:00 AM 0.73 M M M M
5/25/2020 7:00 AM 0.34 M M M M
5/26/2020 7:00 AM 0.00 0.0 M M M
5/27/2020 7:00 AM 0.00 0.0 M M M
5/28/2020 7:00 AM 0.19 M M M M
5/29/2020 7:00 AM 0.14 M M M M
5/30/2020 7:00 AM 0.00 0.0 M M M
5/31/2020 7:00 AM 0.00 0.0 M M M
6/1/2020 7:00 AM 0.00 0.0 M M M
6/2/2020 7:00 AM 0.03 M M M M
6/3/2020 7:00 AM 0.10 M M M M Light rain in progress at obs time
6/4/2020 7:00 AM 0.17 M M M M
6/5/2020 7:00 AM 0.00 0.0 M M M
6/6/2020 7:00 AM 0.00 0.0 M M M
6/7/2020 7:00 AM 0.00 0.0 M M M
6/8/2020 7:00 AM 0.00 0.0 M M M
6/9/2020 7:00 AM 0.00 0.0 M M M
6/10/2020 7:00 AM 0.42 M M M M
6/11/2020 7:00 AM 0.24 M M M M
6/12/2020 7:00 AM 0.00 0.0 M M M
6/13/2020 7:00 AM 0.01 M M M M
6/14/2020 7:00 AM 0.00 0.0 M M M
6/15/2020 7:00 AM 0.00 0.0 M M M
6/16/2020 7:00 AM 0.00 0.0 M M M
6/17/2020 7:00 AM 0.00 0.0 M M M
6/18/2020 7:00 AM 0.00 0.0 M M M
6/19/2020 7:00 AM 0.00 0.0 M M M
6/20/2020 7:00 AM 0.00 0.0 M M M
6/21/2020 7:00 AM 0.18 M M M M
6/22/2020 7:00 AM 0.00 0.0 M M M
6/23/2020 7:00 AM 0.42 M M M M
6/24/2020 7:00 AM 0.01 M M M M
6/25/2020 7:00 AM 0.01 M M M M
6/26/2020 7:00 AM 0.00 0.0 M M M
6/27/2020 7:00 AM 1.62 M M M M
6/28/2020 7:00 AM 0.00 0.0 M M M
6/29/2020 7:00 AM 0.00 0.0 M M M
6/30/2020 7:00 AM 1.30 M M M M
7/1/2020 7:00 AM 0.00 0.0 M M M
7/2/2020 7:00 AM 0.00 0.0 M M M
7/3/2020 7:00 AM 0.00 0.0 M M M
7/4/2020 7:00 AM 0.00 0.0 M M M
7/5/2020 7:00 AM 0.00 0.0 M M M
7/6/2020 7:00 AM 0.00 0.0 M M M
7/7/2020 7:00 AM 0.00 0.0 M M M
7/8/2020 7:00 AM 0.34 M M M M
7/9/2020 7:00 AM 0.00 0.0 M M M
7/10/2020 7:00 AM 1.11 M M M M Light rain in progress at observation time
7/11/2020 7:00 AM 0.03 M M M M
7/12/2020 7:00 AM 0.02 M M M M
7/13/2020 7:00 AM 0.00 0.0 M M M
7/14/2020 7:00 AM 0.00 0.0 M M M
7/15/2020 7:00 AM 0.00 0.0 M M M
7/16/2020 7:00 AM 1.09 M M M M
7/17/2020 7:00 AM 0.00 0.0 M M M
7/18/2020 7:00 AM 0.00 0.0 M M M
7/19/2020 7:00 AM 0.02 M M M M Light rain in progress at obs time
7/20/2020 7:00 AM 0.11 M M M M
7/21/2020 7:00 AM 0.00 0.0 M M M
7/22/2020 7:00 AM 0.03 M M M M
7/23/2020 7:00 AM 0.00 0.0 M M M
7/24/2020 7:00 AM 0.00 0.0 M M M
7/25/2020 7:00 AM 0.00 0.0 M M M
7/26/2020 7:00 AM 0.00 0.0 M M M
7/27/2020 7:00 AM 0.21 M M M M
7/28/2020 7:00 AM 0.01 M M M M
7/29/2020 7:00 AM 0.00 0.0 M M M
7/30/2020 7:00 AM 0.36 M M M M
7/31/2020 7:00 AM 0.00 0.0 M M M
8/1/2020 7:00 AM 0.00 0.0 M M M
8/2/2020 7:00 AM 0.01 M M M M
8/3/2020 7:00 AM 0.09 M M M M
8/4/2020 7:00 AM T M M M M
8/5/2020 7:00 AM 0.00 0.0 M M M
8/6/2020 7:00 AM 0.00 0.0 M M M
8/7/2020 7:00 AM 0.00 0.0 M M M
8/8/2020 7:00 AM 0.00 0.0 M M M
8/9/2020 7:00 AM 0.00 0.0 M M M
8/10/2020 7:00 AM 0.48 M M M M
8/11/2020 7:00 AM 0.32 M M M M
8/12/2020 7:00 AM 0.00 0.0 M M M
8/13/2020 7:00 AM 0.00 0.0 M M M
8/14/2020 7:00 AM 0.00 0.0 M M M
8/15/2020 7:00 AM 0.00 0.0 M M M
8/16/2020 7:00 AM 0.00 0.0 M M M
8/17/2020 7:00 AM 0.00 0.0 M M M
8/18/2020 7:00 AM 0.00 0.0 M M M
8/19/2020 7:00 AM 0.00 0.0 M M M
8/20/2020 7:00 AM 0.00 0.0 M M M
8/21/2020 7:00 AM 0.00 0.0 M M M
8/22/2020 7:00 AM 0.00 0.0 M M M
8/23/2020 7:00 AM 0.00 0.0 M M M
8/24/2020 7:00 AM 1.45 M M M M This one is going to stick out on the map. Multiple rounds of thundershowers between 3pm and 8pm with some very heavy rainfall. Brief period of pea-sized hail. Storms seemed to re-generate right on top of us. First rain since the derecho. Much needed.
8/25/2020 7:00 AM 0.56 M M M M Severe storm at 4:15am with frequent lightning and strong winds. No hail.
8/26/2020 7:00 AM 0.00 0.0 M M M
8/27/2020 7:00 AM 0.00 0.0 M M M
8/28/2020 7:00 AM 0.02 M M M M
8/29/2020 7:00 AM 0.09 M M M M
8/30/2020 7:00 AM 0.00 0.0 M M M
8/31/2020 7:00 AM 0.00 0.0 M M M
9/1/2020 7:00 AM 0.00 0.0 M M M
9/2/2020 7:00 AM 0.30 M M M M
9/3/2020 7:00 AM 0.00 0.0 M M M
9/4/2020 7:00 AM 0.00 0.0 M M M
9/5/2020 7:00 AM 0.00 0.0 M M M
9/6/2020 7:00 AM 0.32 M M M M
9/7/2020 7:00 AM 0.12 M M M M
9/8/2020 7:00 AM 1.11 M M M M Light rain in progress at obs time
9/9/2020 7:00 AM 0.53 M M M M
9/10/2020 7:00 AM 0.03 M M M M
9/11/2020 7:00 AM 0.53 M M M M
9/12/2020 7:00 AM 0.12 M M M M
9/13/2020 7:00 AM 0.27 M M M M
9/14/2020 7:00 AM 0.00 0.0 M M M
9/15/2020 7:00 AM 0.00 0.0 M M M
9/16/2020 7:00 AM 0.00 0.0 M M M
9/17/2020 7:00 AM 0.00 0.0 M M M
9/18/2020 7:00 AM 0.00 0.0 M M M
9/19/2020 7:00 AM 0.00 0.0 M M M
9/20/2020 7:00 AM 0.00 0.0 M M M
9/21/2020 7:00 AM 0.00 0.0 M M M
9/22/2020 7:00 AM 0.00 0.0 M M M
9/23/2020 7:00 AM 0.00 0.0 M M M
9/24/2020 7:00 AM 0.00 0.0 M M M
9/25/2020 7:00 AM 0.00 0.0 M M M
9/26/2020 7:00 AM 0.00 0.0 M M M
9/27/2020 7:00 AM 0.00 0.0 M M M
9/28/2020 7:00 AM 0.52 M M M M
9/29/2020 7:00 AM 0.05 M M M M
9/30/2020 7:00 AM T M M M M Brief and very light sprinkles around 745 pm Sep 29



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