Station Overview Station Location
Station Number IL-CK-87 Latitude 42.082221
Station Name Arlington Heights 1.3 SW Longitude -88.001904
County Cook Elevation (ft) 722



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 11 2.97 1.74 31 1.50 26 0.24 5 2 8 1 0.0 0 0
Nov 11 3.01 2.93 29 1.27 21 1.66 8 3 3 2 0.0 0 0
Dec 11 2.24 2.50 32 0.99 17 1.51 15 6 4 1 1.3 2 2
Jan 12 1.74 1.81 31 1.17 18 0.64 13 3 4 0 4.8 2 2
Feb 12 1.68 0.28 23 0.28 14 0.00 9 2 2 1 0.0 0 0
March 12 2.30 0.13 4 0.13 4 0.00 0 0 1 0 0.0 0 0
April 12 3.42 2.62 23 2.05 10 0.57 13 3 4 0 0.0 0 0
May 12 4.06 0.81 1 0.81 1 0.00 0 0 1 0 0.0 0 0
June 12 4.02 1.48 19 1.14 9 0.34 10 1 1 0 0.0 0 0
July 12 3.83 2.04 31 0.92 18 1.12 13 5 2 1 0.0 0 0
Aug 12 4.50 1.38 16 0.75 9 0.63 7 1 1 0 0.0 0 0
Sept 12 3.40 1.85 19 0.00 2 1.85 17 4 0 0 0.0 0 0
Water Year Totals: 37.17" 19.57" 259 days 11.01" 149 8.56" 110 days 30 31 days 6 days 6.1" 4 days 4 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
10/1/2011 0.06
10/2/2011 0.00
10/3/2011 0.00
10/4/2011 0.00
10/5/2011 0.00
10/6/2011 0.00
10/7/2011 0.00
10/8/2011 0.00
10/9/2011 0.00
10/10/2011 0.00
10/11/2011 0.00
10/12/2011 0.00
10/13/2011 0.11
10/14/2011 **
10/15/2011 0.21
10/16/2011 0.17
10/17/2011 0.00
10/18/2011 0.00
10/19/2011 0.07
10/20/2011 0.57
10/21/2011 **
10/22/2011 **
10/23/2011 0.03
10/24/2011 0.31
10/25/2011 0.00
10/26/2011 0.00
10/27/2011 T
10/28/2011 0.13
10/29/2011 0.00
10/30/2011 0.00
10/31/2011 0.08
11/1/2011 0.00
11/2/2011 0.00
11/3/2011 **
11/4/2011 0.16
11/5/2011 0.00
11/6/2011 0.00
11/7/2011 **
11/8/2011 **
11/9/2011 1.50
11/10/2011 0.03
11/11/2011 **
11/12/2011 **
11/13/2011 T
11/14/2011 0.00
11/15/2011 0.00
11/16/2011 0.00
11/17/2011 0.00
11/18/2011 0.00
11/19/2011 0.00
11/20/2011 0.00
11/21/2011 0.00
11/22/2011 T
11/23/2011 0.21
11/24/2011 0.00
11/25/2011 0.00
11/26/2011 0.00
11/27/2011 1.03
11/28/2011 T
11/29/2011 0.00
11/30/2011
12/1/2011 0.00
12/2/2011 0.04
12/3/2011 **
12/4/2011 0.37
12/5/2011 0.00
12/6/2011 **
12/7/2011 0.09
12/8/2011 0.00
12/9/2011 0.03
12/10/2011 0.00
12/11/2011 0.00
12/12/2011 0.00
12/13/2011 **
12/14/2011 0.68
12/15/2011 0.85
12/16/2011 0.00
12/17/2011 0.07
12/18/2011 T
12/19/2011 0.00
12/20/2011 0.00
12/21/2011 **
12/22/2011 **
12/23/2011 0.02
12/24/2011 0.00
12/25/2011 0.00
12/26/2011 0.00
12/27/2011 **
12/28/2011 **
12/29/2011 **
12/30/2011 **
12/31/2011 0.31
Day of YearDaily PrcpMultiday Prcp
1/1/2012 0.03
1/2/2012 0.01
1/3/2012 0.00
1/4/2012 0.00
1/5/2012 0.00
1/6/2012 0.00
1/7/2012 0.00
1/8/2012 0.00
1/9/2012 0.00
1/10/2012 0.00
1/11/2012 0.00
1/12/2012 0.00
1/13/2012 0.58
1/14/2012 **
1/15/2012 **
1/16/2012 T
1/17/2012 **
1/18/2012 **
1/19/2012 **
1/20/2012 0.05
1/21/2012 **
1/22/2012 0.59
1/23/2012 0.55
1/24/2012 0.00
1/25/2012 0.00
1/26/2012 0.00
1/27/2012 0.00
1/28/2012 **
1/29/2012 **
1/30/2012 **
1/31/2012 **
2/1/2012 **
2/2/2012 **
2/3/2012 **
2/4/2012 **
2/5/2012 T
2/6/2012 0.00
2/7/2012 0.00
2/8/2012 T
2/9/2012 0.00
2/10/2012 0.00
2/11/2012 **
2/12/2012 **
2/13/2012 **
2/14/2012 T
2/15/2012 0.00
2/16/2012 0.22
2/17/2012 0.00
2/18/2012 0.00
2/19/2012 0.00
2/20/2012 0.00
2/21/2012 0.06
2/22/2012 0.00
2/23/2012 0.00
2/24/2012
2/25/2012
2/26/2012
2/27/2012
2/28/2012
2/29/2012
3/1/2012
3/2/2012
3/3/2012
3/4/2012
3/5/2012
3/6/2012
3/7/2012 M
3/8/2012 M
3/9/2012 0.00
3/10/2012 0.00
3/11/2012
3/12/2012
3/13/2012
3/14/2012
3/15/2012
3/16/2012
3/17/2012
3/18/2012
3/19/2012
3/20/2012
3/21/2012
3/22/2012 0.00
3/23/2012 0.13
3/24/2012
3/25/2012
3/26/2012
3/27/2012
3/28/2012
3/29/2012
3/30/2012
3/31/2012
Day of YearDaily PrcpMultiday Prcp
4/1/2012
4/2/2012
4/3/2012
4/4/2012
4/5/2012
4/6/2012
4/7/2012
4/8/2012 0.00
4/9/2012 0.01
4/10/2012 0.00
4/11/2012 0.00
4/12/2012 0.00
4/13/2012 0.00
4/14/2012 0.00
4/15/2012 1.41
4/16/2012 0.28
4/17/2012 **
4/18/2012 **
4/19/2012 0.07
4/20/2012 **
4/21/2012 **
4/22/2012 **
4/23/2012 **
4/24/2012 0.10
4/25/2012 **
4/26/2012 **
4/27/2012 **
4/28/2012 **
4/29/2012 0.40
4/30/2012 0.35
5/1/2012
5/2/2012
5/3/2012
5/4/2012
5/5/2012
5/6/2012
5/7/2012 0.81
5/8/2012
5/9/2012
5/10/2012
5/11/2012
5/12/2012
5/13/2012
5/14/2012
5/15/2012
5/16/2012
5/17/2012
5/18/2012
5/19/2012
5/20/2012
5/21/2012
5/22/2012
5/23/2012
5/24/2012
5/25/2012
5/26/2012
5/27/2012
5/28/2012
5/29/2012
5/30/2012
5/31/2012
6/1/2012
6/2/2012
6/3/2012
6/4/2012
6/5/2012
6/6/2012
6/7/2012
6/8/2012
6/9/2012
6/10/2012
6/11/2012
6/12/2012 0.00
6/13/2012 0.00
6/14/2012 0.00
6/15/2012 0.00
6/16/2012 0.00
6/17/2012 1.14
6/18/2012 0.00
6/19/2012 0.00
6/20/2012 0.00
6/21/2012 **
6/22/2012 **
6/23/2012 **
6/24/2012 **
6/25/2012 **
6/26/2012 **
6/27/2012 **
6/28/2012 **
6/29/2012 **
6/30/2012 0.34
Day of YearDaily PrcpMultiday Prcp
7/1/2012 0.00
7/2/2012 0.00
7/3/2012 0.00
7/4/2012 0.00
7/5/2012 0.00
7/6/2012 T
7/7/2012 0.00
7/8/2012 0.00
7/9/2012 0.00
7/10/2012 0.00
7/11/2012 0.00
7/12/2012 0.00
7/13/2012 0.00
7/14/2012 0.32
7/15/2012 **
7/16/2012 0.04
7/17/2012 0.00
7/18/2012 **
7/19/2012 0.68
7/20/2012 **
7/21/2012 0.04
7/22/2012 0.00
7/23/2012 0.00
7/24/2012 0.60
7/25/2012 **
7/26/2012 0.05
7/27/2012 **
7/28/2012 **
7/29/2012 **
7/30/2012 **
7/31/2012 0.31
8/1/2012 0.00
8/2/2012
8/3/2012
8/4/2012
8/5/2012
8/6/2012
8/7/2012
8/8/2012
8/9/2012 0.00
8/10/2012 0.75
8/11/2012
8/12/2012
8/13/2012
8/14/2012
8/15/2012
8/16/2012
8/17/2012
8/18/2012 0.00
8/19/2012 0.00
8/20/2012 0.00
8/21/2012
8/22/2012 0.00
8/23/2012 **
8/24/2012 **
8/25/2012 **
8/26/2012 **
8/27/2012 **
8/28/2012 **
8/29/2012 0.63
8/30/2012 0.00
8/31/2012 0.00
9/1/2012 0.00
9/2/2012 **
9/3/2012 **
9/4/2012 0.51
9/5/2012 **
9/6/2012 0.41
9/7/2012 **
9/8/2012 **
9/9/2012 0.44
9/10/2012 **
9/11/2012 **
9/12/2012 **
9/13/2012 **
9/14/2012 **
9/15/2012 **
9/16/2012 **
9/17/2012 **
9/18/2012 0.49
9/19/2012 0.00
9/20/2012
9/21/2012
9/22/2012
9/23/2012
9/24/2012
9/25/2012
9/26/2012
9/27/2012
9/28/2012
9/29/2012
9/30/2012



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2011 9:00 AM 0.06 0.0 M M M
10/2/2011 7:20 AM 0.00 0.0 M M M Noticed frost on some vegetation for the first time this season.
10/3/2011 8:00 AM 0.00 0.0 M M M
10/4/2011 8:00 AM 0.00 0.0 M M M
10/5/2011 8:00 AM 0.00 0.0 M M M
10/6/2011 8:00 AM 0.00 0.0 M M M
10/7/2011 8:00 AM 0.00 0.0 M M M
10/8/2011 8:00 AM 0.00 0.0 M M M
10/9/2011 8:00 AM 0.00 0.0 M M M
10/10/2011 8:00 AM 0.00 0.0 M M M
10/11/2011 8:00 AM 0.00 0.0 M M M
10/12/2011 8:00 AM 0.00 0.0 M M M
10/13/2011 9:05 AM 0.11 0.0 0.00 0.0 0.00
10/16/2011 9:10 AM 0.17 0.0 0.00 0.0 0.00
10/17/2011 8:00 AM 0.00 0.0 M M M
10/18/2011 7:45 AM 0.00 0.0 0.00 0.0 0.00
10/19/2011 8:00 AM 0.07 0.0 0.00 0.0 0.00
10/20/2011 9:16 AM 0.57 0.0 0.00 0.0 0.00
10/24/2011 7:31 AM 0.31 0.0 0.00 0.0 0.00
10/25/2011 8:05 AM 0.00 0.0 0.00 0.0 0.00
10/26/2011 7:34 AM 0.00 0.0 0.00 0.0 0.00
10/27/2011 8:55 AM T 0.0 0.00 0.0 0.00 Noticed very light rain during afternoon of the 26th, and driveway was wet this morning, but no measurable precipitation in inner gauge.
10/28/2011 7:40 AM 0.13 0.0 0.00 0.0 0.00
10/29/2011 8:00 AM 0.00 0.0 M M M
10/30/2011 8:00 AM 0.00 0.0 M M M
10/31/2011 8:05 AM 0.08 0.0 0.00 0.0 0.00
11/1/2011 8:00 AM 0.00 0.0 M M M
11/2/2011 6:45 AM 0.00 0.0 0.00 0.0 0.00
11/5/2011 8:00 AM 0.00 0.0 M M M
11/6/2011 8:00 AM 0.00 0.0 M M M
11/10/2011 8:35 AM 0.03 0.0 0.00 0.0 0.00
11/14/2011 7:35 AM 0.00 0.0 0.00 0.0 0.00
11/15/2011 8:00 AM 0.00 0.0 M M M
11/16/2011 8:00 AM 0.00 0.0 M M M
11/17/2011 8:00 AM 0.00 0.0 M M M
11/18/2011 8:00 AM 0.00 0.0 M M M
11/19/2011 8:00 AM 0.00 0.0 M M M
11/20/2011 8:00 AM 0.00 0.0 M M M
11/21/2011 8:00 AM 0.00 0.0 M M M
11/22/2011 8:20 AM T 0.0 0.00 0.0 0.00 There is a very light rain (mist) at observation time. The ground is wet, but there is no measurable precipitation in the collection cylinder.
11/23/2011 8:04 AM 0.21 0.0 0.00 0.0 0.00
11/24/2011 8:00 AM 0.00 0.0 M M M
11/25/2011 8:00 AM 0.00 0.0 M M M
11/26/2011 8:00 AM 0.00 0.0 M M M
11/27/2011 8:05 AM 1.03 0.0 0.00 0.0 0.00
11/28/2011 7:17 AM T T 0.00 0.0 0.00 Saw just a very few snowflakes falling at observation time, but no new measurable precipitation.
11/29/2011 8:00 AM 0.00 0.0 M M M
12/1/2011 8:49 AM 0.00 0.0 0.00 0.0 0.00
12/2/2011 7:48 AM 0.04 0.0 0.00 0.0 0.00
12/5/2011 7:55 AM 0.00 0.0 0.00 0.0 0.00
12/8/2011 8:00 AM 0.00 0.0 M M M
12/9/2011 9:10 AM 0.03 0.3 0.03 0.3 0.03 First measurable snow of the 2011-2012 season. Measured 0.3" from snowboard.
12/10/2011 8:40 AM 0.00 0.0 0.00 T M Very few patches of very light snow on ground, and only in places that are in continual shade.
12/11/2011 8:00 AM 0.00 0.0 M M M
12/12/2011 8:05 AM 0.00 0.0 0.00 0.0 0.00
12/15/2011 7:47 AM 0.85 0.0 0.00 0.0 0.00 Exact measurement.
12/16/2011 8:00 AM 0.00 0.0 M M M
12/17/2011 8:25 AM 0.07 1.0 0.07 1.0 0.07 Still snowing at time of observation. Snowfall measured 1.0" exactly on snowboard.
12/18/2011 8:00 AM T T T 0.0 0.00 Light snow flurries at time of observation yesterday (17 DEC 2011), but no additional accumulation on snow board or rain gauge today, so reporting as "trace."
12/19/2011 6:55 AM 0.00 0.0 0.00 0.0 0.00
12/20/2011 7:40 AM 0.00 0.0 0.00 0.0 0.00
12/24/2011 8:00 AM 0.00 0.0 M M M
12/25/2011 8:00 AM 0.00 0.0 M M M
12/26/2011 8:00 AM 0.00 0.0 M M M
1/1/2012 8:10 AM 0.03 0.0 0.00 0.0 0.00
1/2/2012 8:52 AM 0.01 0.1 0.01 0.1 M Measured 0.1" new and total snowfall on snow board, and 0.01" melted precip from gauge.
1/3/2012 8:00 AM 0.00 0.0 M M M
1/4/2012 8:00 AM 0.00 0.0 M M M
1/5/2012 8:00 AM 0.00 0.0 M M M
1/6/2012 8:00 AM 0.00 0.0 M M M
1/7/2012 8:00 AM 0.00 0.0 M M M
1/8/2012 8:00 AM 0.00 0.0 M M M
1/9/2012 8:00 AM 0.00 0.0 M M M
1/10/2012 8:30 AM 0.00 0.0 0.00 0.0 0.00
1/11/2012 8:00 AM 0.00 0.0 M M M
1/12/2012 8:25 AM 0.00 0.0 0.00 0.0 0.00
1/13/2012 6:45 AM 0.58 4.7 0.58 4.7 0.58
1/23/2012 6:37 AM 0.55 0.0 0.00 M M
1/24/2012 7:35 AM 0.00 0.0 0.00 M M
1/25/2012 8:00 AM 0.00 0.0 M M M
1/26/2012 8:00 AM 0.00 0.0 M M M
1/27/2012 8:00 AM 0.00 0.0 M M M
2/6/2012 8:00 AM 0.00 0.0 M M M
2/7/2012 8:00 AM 0.00 0.0 M M M
2/8/2012 7:45 AM T T 0.00 0.0 0.00 Observed snow flurries with no accumulation early in this reporting period, i.e. ~ 0830CT/1430Z on 7 FEB 2012.
2/9/2012 8:00 AM 0.00 0.0 M M M
2/10/2012 8:00 AM 0.00 0.0 M M M
2/15/2012 8:00 AM 0.00 0.0 M M M
2/16/2012 8:55 AM 0.22 M M M M
2/17/2012 8:00 AM 0.00 0.0 M M M
2/18/2012 8:00 AM 0.00 0.0 M M M
2/19/2012 8:00 AM 0.00 0.0 M M M
2/20/2012 9:05 AM 0.00 0.0 0.00 0.0 0.00
2/21/2012 9:20 AM 0.06 T 0.06 0.0 0.00 There was light snow (dusting) on approx 50% of lawn around 0800CT/1400Z, but it has all melted as of 0920CT/1520Z.
2/22/2012 8:00 AM 0.00 0.0 M M M
2/23/2012 8:00 AM 0.00 0.0 M M M
3/7/2012 8:00 AM M M M M M
3/8/2012 8:00 AM M M M M M
3/9/2012 8:00 AM 0.00 0.0 M M M
3/10/2012 8:00 AM 0.00 0.0 M M M
3/22/2012 8:00 AM 0.00 0.0 M M M
3/23/2012 7:48 AM 0.13 0.0 0.00 0.0 0.00
4/8/2012 8:00 AM 0.00 0.0 M M M
4/9/2012 6:50 AM 0.01 0.0 0.00 0.0 0.00 Measured 0.01" in gauge. Would have thought this was condensation except driveway and tops of garbage cans were wet.
4/10/2012 8:00 AM 0.00 0.0 M M M
4/11/2012 8:00 AM 0.00 0.0 M M M
4/12/2012 8:00 AM 0.00 0.0 M M M
4/13/2012 8:00 AM 0.00 0.0 M M M
4/14/2012 8:00 AM 0.00 0.0 M M M
4/15/2012 9:15 AM 1.41 0.0 0.00 0.0 0.00
4/16/2012 6:42 AM 0.28 0.0 0.00 0.0 0.00
4/30/2012 9:40 AM 0.35 0.0 0.00 0.0 0.00
5/7/2012 8:08 AM 0.81 0.0 0.00 0.0 0.00
6/12/2012 8:00 AM 0.00 0.0 M M M
6/13/2012 8:00 AM 0.00 0.0 M M M
6/14/2012 8:00 AM 0.00 0.0 M M M
6/15/2012 8:00 AM 0.00 0.0 M M M
6/16/2012 8:00 AM 0.00 0.0 M M M
6/17/2012 8:28 AM 1.14 M M M M
6/18/2012 8:00 AM 0.00 0.0 M M M
6/19/2012 8:00 AM 0.00 0.0 M M M
6/20/2012 8:00 AM 0.00 0.0 M M M
7/1/2012 8:00 AM 0.00 0.0 M M M
7/2/2012 8:00 AM 0.00 0.0 M M M
7/3/2012 8:00 AM 0.00 0.0 M M M
7/4/2012 8:00 AM 0.00 0.0 M M M
7/5/2012 8:00 AM 0.00 0.0 M M M
7/6/2012 8:20 AM T 0.0 0.00 0.0 0.00 Observed only a few drops of rain mid-afternoon Thursday, 5 Jul.
7/7/2012 8:00 AM 0.00 0.0 M M M
7/8/2012 8:00 AM 0.00 0.0 M M M
7/9/2012 8:00 AM 0.00 0.0 M M M
7/10/2012 8:00 AM 0.00 0.0 M M M
7/11/2012 8:00 AM 0.00 0.0 M M M
7/12/2012 8:00 AM 0.00 0.0 M M M
7/13/2012 8:00 AM 0.00 0.0 M M M
7/14/2012 9:17 AM 0.32 0.0 0.00 0.0 0.00
7/17/2012 8:00 AM 0.00 0.0 M M M
7/22/2012 8:00 AM 0.00 0.0 M M M
7/23/2012 8:00 AM 0.00 0.0 M M M
7/24/2012 8:43 AM 0.60 M M M M
8/1/2012 8:00 AM 0.00 0.0 M M M
8/9/2012 8:00 AM 0.00 0.0 M M M
8/10/2012 8:28 AM 0.75 M M M M Measured 0.75" exactly.
8/18/2012 8:00 AM 0.00 0.0 M M M
8/19/2012 8:00 AM 0.00 0.0 M M M
8/20/2012 8:00 AM 0.00 0.0 M M M
8/22/2012 8:00 AM 0.00 0.0 M M M
8/30/2012 8:00 AM 0.00 0.0 M M M
8/31/2012 8:00 AM 0.00 0.0 M M M
9/1/2012 8:00 AM 0.00 0.0 M M M
9/19/2012 8:00 AM 0.00 0.0 M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
10/14/2011 10/15/2011 9:30 AM 2 0.21 0.0 0.21
10/21/2011 10/23/2011 8:10 AM 3 0.03 0.0 0.03
11/3/2011 11/04/2011 8:20 AM 2 0.16 0.0 0.00
11/7/2011 11/09/2011 7:20 AM 3 1.50 0.0 M Still raining at the time of this observation (0720 CST/1320Z)
11/11/2011 11/13/2011 8:20 AM 3 T 0.0 M Noticed a small amount (few drops) of precip in the collection cylinder yesterday, but by this morning's reading, it had evaporated.
12/3/2011 12/04/2011 8:35 AM 2 0.37 0.0 0.00
12/6/2011 12/07/2011 7:15 AM 2 0.09 0.0 0.00
12/13/2011 12/14/2011 6:48 AM 2 0.68 0.0 0.68 Still raining at observation time.
12/21/2011 12/22/2011 7:40 AM 2 0.04 0.0 0.00
12/22/2011 12/23/2011 8:00 AM 2 0.02 0.0 0.00
12/27/2011 12/31/2011 9:00 AM 5 0.31 0.0 0.00
1/14/2012 1/16/2012 8:30 AM 3 T M T Noticed light accumulation (trace) since last report, but any accumulation in gauge has evaporated. Was just a "dusting".
1/17/2012 1/20/2012 9:10 AM 4 0.05 M 0.05 Approx 75% of ground is lightly snow covered, but snow board is dry. Multi-day accumulation melted gauge accumulation is 0.05".
1/21/2012 1/22/2012 9:30 AM 2 0.59 4.5 0.59 Observation is melted and measured core precipitation. Snow depth is accurate to 0.1".
1/28/2012 2/05/2012 8:30 AM 9 T 0.0 0.00
2/11/2012 2/14/2012 9:00 AM 4 T 0.0 0.00 There was some snowfall during this multi-day period, but by observation time, the gauge was dry and the snow that fell had melted. If memory is correct, there may have been approximately 0.5" on driveway at one point, but I did not get a measurement before it melted.
4/17/2012 4/19/2012 9:16 AM 3 0.07 0.0 0.00
4/20/2012 4/24/2012 7:07 AM 5 0.10 0.0 0.00
4/25/2012 4/29/2012 9:34 AM 5 0.40 0.0 0.00 Exact measurement.
6/21/2012 6/30/2012 8:35 AM 10 0.34 0.0 0.00
7/15/2012 7/16/2012 8:37 AM 2 0.04 M M
7/18/2012 7/19/2012 9:00 AM 2 0.68 0.0 0.00
7/20/2012 7/21/2012 8:00 AM 2 0.04 M M
7/25/2012 7/26/2012 7:15 AM 2 0.05 M M Measured 0.05" exactly.
7/27/2012 7/31/2012 8:29 AM 5 0.31 0.0 0.00
8/23/2012 8/29/2012 6:50 AM 7 0.63 0.0 0.00
9/2/2012 9/04/2012 9:44 AM 3 0.51 0.0 0.00
9/5/2012 9/06/2012 7:33 AM 2 0.41 0.0 0.00
9/7/2012 9/09/2012 8:51 AM 3 0.44 0.0 0.00
9/10/2012 9/18/2012 6:35 AM 9 0.49 0.0 0.00



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