Station Overview Station Location
Station Number IN-LK-15 Latitude 41.506694
Station Name Dyer 1.0 WNW Longitude -87.524821
County Lake Elevation (ft) 630



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 09 3.25 8.47 31 8.21 29 0.26 2 1 19 1 0.0 0 0
Nov 09 3.42 1.49 30 1.49 30 0.00 0 0 8 6 0.0 0 0
Dec 09 2.44 2.96 31 2.96 31 0.00 0 0 16 3 10.5 12 16
Jan 10 1.99 1.28 31 1.28 31 0.00 0 0 10 12 11.2 6 28
Feb 10 1.77 1.49 28 1.49 28 0.00 0 0 9 3 18.8 11 25
March 10 2.43 1.36 31 1.36 31 0.00 0 0 8 3 0.0 0 5
April 10 3.61 3.49 30 2.07 25 1.42 5 1 7 2 0.0 0 0
May 10 4.15 5.52 31 5.52 31 0.00 0 0 13 2 0.0 0 0
June 10 4.27 7.32 30 7.32 30 0.00 0 0 18 1 0.0 0 0
July 10 4.13 6.24 31 6.24 31 0.00 0 0 10 2 0.0 0 0
Aug 10 4.18 3.28 31 3.28 31 0.00 0 0 8 2 0.0 0 0
Sept 10 3.30 3.02 30 3.02 30 0.00 0 0 11 3 0.0 0 0
Water Year Totals: 38.94" 45.92" 365 days 44.24" 358 1.68" 7 days 2 137 days 40 days 40.5" 29 days 74 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
10/1/2009 0.00
10/2/2009 0.68
10/3/2009 0.18
10/4/2009 0.11
10/5/2009 0.00
10/6/2009 T
10/7/2009 0.08
10/8/2009 0.00
10/9/2009 0.39
10/10/2009 0.61
10/11/2009 0.00
10/12/2009 0.00
10/13/2009 0.00
10/14/2009 0.02
10/15/2009 0.24
10/16/2009 0.13
10/17/2009 **
10/18/2009 0.26
10/19/2009 0.00
10/20/2009 0.00
10/21/2009 0.03
10/22/2009 0.00
10/23/2009 2.36
10/24/2009 0.17
10/25/2009 0.05
10/26/2009 0.19
10/27/2009 0.19
10/28/2009 0.22
10/29/2009 0.01
10/30/2009 1.45
10/31/2009 1.10
11/1/2009 0.00
11/2/2009 T
11/3/2009 0.00
11/4/2009 0.00
11/5/2009 0.00
11/6/2009 0.00
11/7/2009 0.00
11/8/2009 0.00
11/9/2009 0.00
11/10/2009 T
11/11/2009 0.00
11/12/2009 0.00
11/13/2009 0.00
11/14/2009 0.00
11/15/2009 T
11/16/2009 0.18
11/17/2009 T
11/18/2009 0.29
11/19/2009 0.09
11/20/2009 0.06
11/21/2009 0.00
11/22/2009 0.00
11/23/2009 0.00
11/24/2009 T
11/25/2009 0.53
11/26/2009 0.25
11/27/2009 0.04
11/28/2009 0.00
11/29/2009 T
11/30/2009 0.05
12/1/2009 0.00
12/2/2009 0.00
12/3/2009 0.15
12/4/2009 T
12/5/2009 0.00
12/6/2009 0.00
12/7/2009 0.01
12/8/2009 0.01
12/9/2009 0.53
12/10/2009 0.10
12/11/2009 0.00
12/12/2009 0.00
12/13/2009 0.11
12/14/2009 T
12/15/2009 0.00
12/16/2009 0.00
12/17/2009 0.00
12/18/2009 0.00
12/19/2009 0.09
12/20/2009 0.22
12/21/2009 T
12/22/2009 0.12
12/23/2009 0.04
12/24/2009 0.38
12/25/2009 0.70
12/26/2009 0.17
12/27/2009 0.12
12/28/2009 0.09
12/29/2009 0.00
12/30/2009 0.00
12/31/2009 0.12
Day of YearDaily PrcpMultiday Prcp
1/1/2010 T
1/2/2010 T
1/3/2010 0.00
1/4/2010 T
1/5/2010 0.00
1/6/2010 T
1/7/2010 0.14
1/8/2010 0.30
1/9/2010 0.01
1/10/2010 T
1/11/2010 T
1/12/2010 0.01
1/13/2010 T
1/14/2010 0.00
1/15/2010 T
1/16/2010 T
1/17/2010 0.00
1/18/2010 0.00
1/19/2010 T
1/20/2010 0.00
1/21/2010 0.08
1/22/2010 0.20
1/23/2010 0.00
1/24/2010 0.40
1/25/2010 0.06
1/26/2010 0.03
1/27/2010 T
1/28/2010 0.05
1/29/2010 0.00
1/30/2010 T
1/31/2010 0.00
2/1/2010 0.00
2/2/2010 0.05
2/3/2010 T
2/4/2010 0.00
2/5/2010 0.00
2/6/2010 0.12
2/7/2010 0.00
2/8/2010 0.00
2/9/2010 0.16
2/10/2010 0.39
2/11/2010 0.00
2/12/2010 0.00
2/13/2010 0.00
2/14/2010 0.00
2/15/2010 0.00
2/16/2010 0.01
2/17/2010 0.00
2/18/2010 0.00
2/19/2010 0.00
2/20/2010 T
2/21/2010 0.00
2/22/2010 0.60
2/23/2010 0.01
2/24/2010 0.03
2/25/2010 0.12
2/26/2010 0.00
2/27/2010 T
2/28/2010 0.00
3/1/2010 T
3/2/2010 0.00
3/3/2010 0.00
3/4/2010 0.00
3/5/2010 0.00
3/6/2010 0.00
3/7/2010 0.00
3/8/2010 0.06
3/9/2010 0.00
3/10/2010 0.05
3/11/2010 T
3/12/2010 0.28
3/13/2010 0.54
3/14/2010 0.18
3/15/2010 0.00
3/16/2010 0.00
3/17/2010 0.00
3/18/2010 0.00
3/19/2010 0.00
3/20/2010 T
3/21/2010 0.12
3/22/2010 0.00
3/23/2010 0.00
3/24/2010 0.00
3/25/2010 0.09
3/26/2010 0.00
3/27/2010 0.00
3/28/2010 0.04
3/29/2010 0.00
3/30/2010 0.00
3/31/2010 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2010 0.00
4/2/2010 0.00
4/3/2010 0.02
4/4/2010 0.27
4/5/2010 0.78
4/6/2010 T
4/7/2010 0.02
4/8/2010 0.89
4/9/2010 0.01
4/10/2010 0.00
4/11/2010 0.00
4/12/2010 0.00
4/13/2010 0.00
4/14/2010 0.00
4/15/2010 0.00
4/16/2010 T
4/17/2010 0.08
4/18/2010 0.00
4/19/2010 0.00
4/20/2010 0.00
4/21/2010 0.00
4/22/2010 **
4/23/2010 **
4/24/2010 **
4/25/2010 **
4/26/2010 1.42
4/27/2010 0.00
4/28/2010 0.00
4/29/2010 0.00
4/30/2010 0.00
5/1/2010 0.17
5/2/2010 0.68
5/3/2010 0.00
5/4/2010 0.00
5/5/2010 0.00
5/6/2010 0.00
5/7/2010 0.92
5/8/2010 0.17
5/9/2010 T
5/10/2010 0.00
5/11/2010 0.85
5/12/2010 0.02
5/13/2010 1.10
5/14/2010 0.05
5/15/2010 0.00
5/16/2010 0.00
5/17/2010 0.16
5/18/2010 0.32
5/19/2010 T
5/20/2010 0.00
5/21/2010 0.30
5/22/2010 0.17
5/23/2010 0.00
5/24/2010 0.00
5/25/2010 0.00
5/26/2010 0.00
5/27/2010 0.00
5/28/2010 0.00
5/29/2010 0.00
5/30/2010 0.00
5/31/2010 0.61
6/1/2010 0.72
6/2/2010 0.52
6/3/2010 0.01
6/4/2010 0.00
6/5/2010 0.06
6/6/2010 0.18
6/7/2010 0.12
6/8/2010 0.02
6/9/2010 0.32
6/10/2010 0.00
6/11/2010 0.00
6/12/2010 0.00
6/13/2010 0.78
6/14/2010 0.02
6/15/2010 T
6/16/2010 0.62
6/17/2010 0.00
6/18/2010 0.02
6/19/2010 0.92
6/20/2010 0.00
6/21/2010 0.00
6/22/2010 0.33
6/23/2010 0.00
6/24/2010 1.99
6/25/2010 0.00
6/26/2010 0.32
6/27/2010 0.05
6/28/2010 0.32
6/29/2010 0.00
6/30/2010 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2010 0.00
7/2/2010 0.00
7/3/2010 0.00
7/4/2010 0.00
7/5/2010 0.00
7/6/2010 0.00
7/7/2010 0.05
7/8/2010 0.20
7/9/2010 0.06
7/10/2010 0.00
7/11/2010 0.00
7/12/2010 0.32
7/13/2010 0.35
7/14/2010 0.00
7/15/2010 0.00
7/16/2010 0.00
7/17/2010 0.00
7/18/2010 0.00
7/19/2010 0.13
7/20/2010 T
7/21/2010 0.00
7/22/2010 0.00
7/23/2010 0.00
7/24/2010 0.77
7/25/2010 2.10
7/26/2010 0.00
7/27/2010 0.00
7/28/2010 0.00
7/29/2010 0.65
7/30/2010 T
7/31/2010 1.61
8/1/2010 0.03
8/2/2010 0.00
8/3/2010 2.04
8/4/2010 0.34
8/5/2010 0.29
8/6/2010 0.00
8/7/2010 0.00
8/8/2010 0.00
8/9/2010 0.00
8/10/2010 0.00
8/11/2010 0.00
8/12/2010 0.00
8/13/2010 0.00
8/14/2010 0.36
8/15/2010 T
8/16/2010 0.00
8/17/2010 0.00
8/18/2010 0.07
8/19/2010 0.00
8/20/2010 0.00
8/21/2010 0.13
8/22/2010 0.00
8/23/2010 0.00
8/24/2010 0.00
8/25/2010 T
8/26/2010 0.00
8/27/2010 0.00
8/28/2010 0.00
8/29/2010 0.00
8/30/2010 0.00
8/31/2010 0.02
9/1/2010 T
9/2/2010 0.61
9/3/2010 0.91
9/4/2010 0.00
9/5/2010 0.00
9/6/2010 0.01
9/7/2010 0.01
9/8/2010 0.00
9/9/2010 0.00
9/10/2010 0.00
9/11/2010 0.12
9/12/2010 0.06
9/13/2010 0.00
9/14/2010 0.00
9/15/2010 0.00
9/16/2010 0.21
9/17/2010 T
9/18/2010 0.00
9/19/2010 0.31
9/20/2010 0.00
9/21/2010 0.00
9/22/2010 0.54
9/23/2010 0.00
9/24/2010 0.20
9/25/2010 0.00
9/26/2010 0.04
9/27/2010 T
9/28/2010 0.00
9/29/2010 0.00
9/30/2010 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2009 7:00 AM 0.00 0.0 M M M
10/2/2009 7:00 AM 0.68 M M M M
10/3/2009 7:40 AM 0.18 M M M M
10/4/2009 7:00 AM 0.11 M M M M
10/5/2009 7:00 AM 0.00 0.0 M M M First frost of the seasob, albeit patchy.
10/6/2009 7:30 AM T M M M M
10/7/2009 7:00 AM 0.08 M M M M
10/8/2009 7:00 AM 0.00 0.0 M M M
10/9/2009 6:40 AM 0.39 M M M M
10/10/2009 6:00 AM 0.61 M M M M
10/11/2009 7:00 AM 0.00 0.0 M M M
10/12/2009 7:00 AM 0.00 0.0 M M M
10/13/2009 7:00 AM 0.00 0.0 M M M Some sprinkles felt in Schererville...4 miles to the east of my location.
10/14/2009 7:00 AM 0.02 M M M M
10/15/2009 7:00 AM 0.24 M M M M
10/16/2009 7:00 AM 0.13 M M M M
10/19/2009 7:00 AM 0.00 0.0 M M M
10/20/2009 7:00 AM 0.00 0.0 M M M
10/21/2009 7:00 AM 0.03 M M M M
10/22/2009 7:00 AM 0.00 0.0 M M M
10/23/2009 7:00 AM 2.36 0.0 0.00 0.0 0.00
10/24/2009 6:00 AM 0.17 M M M M
10/25/2009 7:00 AM 0.05 M M M M
10/26/2009 8:00 AM 0.19 M M M M
10/27/2009 7:00 AM 0.19 M M M M
10/28/2009 7:00 AM 0.22 M M M M
10/29/2009 7:00 AM 0.01 M M M M
10/30/2009 6:15 AM 1.45 M M M M
10/31/2009 7:00 AM 1.10 M M M M 2.55 storm total.
11/1/2009 7:00 AM 0.00 0.0 M M M Nine day "rainy" streak broken. Heavy frost this morning.
11/2/2009 6:30 AM T 0.0 M 0.0 M
11/3/2009 7:00 AM 0.00 0.0 M M M
11/4/2009 7:00 AM 0.00 0.0 M M M
11/5/2009 7:00 AM 0.00 0.0 M M M
11/6/2009 7:00 AM 0.00 0.0 M M M
11/7/2009 7:00 AM 0.00 0.0 M M M
11/8/2009 7:00 AM 0.00 0.0 M M M
11/9/2009 7:00 AM 0.00 0.0 M M M
11/10/2009 7:15 AM T M M M M
11/11/2009 7:00 AM 0.00 0.0 M M M
11/12/2009 7:00 AM 0.00 0.0 M M M Heavy frost.
11/13/2009 7:00 AM 0.00 0.0 M M M
11/14/2009 7:00 AM 0.00 0.0 M M M
11/15/2009 7:00 AM T M M M M
11/16/2009 7:00 AM 0.18 M M M M
11/17/2009 7:00 AM T M M M M
11/18/2009 7:15 AM 0.29 M M M M
11/19/2009 7:00 AM 0.09 M M M M
11/20/2009 7:00 AM 0.06 M M M M
11/21/2009 7:00 AM 0.00 0.0 M M M
11/22/2009 7:00 AM 0.00 0.0 M M M
11/23/2009 7:00 AM 0.00 0.0 M M M
11/24/2009 7:00 AM T M M M M
11/25/2009 6:00 AM 0.53 M M M M
11/26/2009 7:40 AM 0.25 T T 0.0 0.00 First flakes of the season.
11/27/2009 7:00 AM 0.04 T T T T
11/28/2009 7:00 AM 0.00 0.0 0.00 0.0 M
11/29/2009 8:00 AM T 0.0 0.00 0.0 M
11/30/2009 7:00 AM 0.05 0.0 0.00 0.0 M
12/1/2009 6:00 AM 0.00 0.0 0.00 0.0 0.00
12/2/2009 7:00 AM 0.00 0.0 0.00 M M
12/3/2009 7:00 AM 0.15 M M M M May have been some wet snow overnight.
12/4/2009 7:00 AM T T T 0.0 M
12/5/2009 7:00 AM 0.00 0.0 0.00 0.0 M
12/6/2009 7:00 AM 0.00 0.0 0.00 0.0 M Flurries in the Region.
12/7/2009 7:00 AM 0.01 0.2 0.01 0.2 0.01
12/8/2009 7:00 AM 0.01 0.1 0.01 0.1 0.01
12/9/2009 7:00 AM 0.53 0.9 M 0.0 0.00 Very wet snow both morning and evening, melted within hours each event.
12/10/2009 7:00 AM 0.10 1.1 0.10 1.0 0.10
12/11/2009 7:00 AM 0.00 0.0 M 1.0 M
12/12/2009 7:00 AM 0.00 0.0 M 1.0 M
12/13/2009 8:00 AM 0.11 0.0 0.00 T T
12/14/2009 7:00 AM T 0.0 M 0.0 M
12/15/2009 7:00 AM 0.00 0.0 M 0.0 M
12/16/2009 7:00 AM 0.00 0.0 M 0.0 M
12/17/2009 7:00 AM 0.00 0.0 M 0.0 M
12/18/2009 7:00 AM 0.00 0.0 M 0.0 M
12/19/2009 6:00 AM 0.09 0.4 0.02 T 0.01 rain, then mixed with and changed to wet snow.
12/20/2009 7:00 AM 0.22 0.7 M 1.0 M Wet snow, mostly falling at above 32 degrees, so probably more snow fell than most observers indicated due to rapid melting.
12/21/2009 7:00 AM T T T 0.5 M
12/22/2009 7:00 AM 0.12 1.5 0.12 1.5 M
12/23/2009 7:00 AM 0.04 0.6 0.04 2.0 M
12/24/2009 6:00 AM 0.38 M M 2.0 M Freezing rain.
12/25/2009 7:00 AM 0.70 0.0 0.00 T M
12/26/2009 7:00 AM 0.17 0.4 M 0.5 M
12/27/2009 7:00 AM 0.12 2.4 M 2.5 M
12/28/2009 8:00 AM 0.09 1.0 0.09 3.0 M
12/29/2009 7:00 AM 0.00 0.0 M 3.0 M
12/30/2009 7:00 AM 0.00 0.0 M 2.5 M
12/31/2009 7:00 AM 0.12 1.2 0.12 3.5 M
1/1/2010 7:00 AM T T T 3.5 M
1/2/2010 7:00 AM T T T 3.5 M
1/3/2010 7:00 AM 0.00 0.0 0.00 3.5 M
1/4/2010 7:00 AM T T T 3.0 M
1/5/2010 7:00 AM 0.00 0.0 M 3.0 M
1/6/2010 7:00 AM T T T 2.5 M
1/7/2010 6:45 AM 0.14 2.7 0.14 4.5 M
1/8/2010 7:00 AM 0.30 6.5 0.30 8.5 M 5.0 system snow...1.5 lake effect and currently snowing moderately.
1/9/2010 8:00 AM 0.01 0.2 0.01 7.5 M
1/10/2010 7:00 AM T T T 7.5 M
1/11/2010 7:00 AM T T T 6.5 M
1/12/2010 7:30 AM 0.01 0.2 0.01 6.5 M
1/13/2010 7:00 AM T T T 6.0 M
1/14/2010 7:00 AM 0.00 0.0 M 6.0 M
1/15/2010 7:00 AM T 0.0 M 4.5 M Freezing drizzle.
1/16/2010 7:00 AM T 0.0 M 3.0 M FREEZING DRIZZLE.
1/17/2010 7:00 AM 0.00 0.0 M 2.0 M
1/18/2010 7:00 AM 0.00 0.0 M 2.0 M
1/19/2010 7:00 AM T 0.0 M 2.0 M
1/20/2010 7:00 AM 0.00 0.0 M 2.0 M
1/21/2010 7:00 AM 0.08 0.0 M 1.0 M
1/22/2010 6:00 AM 0.20 0.0 M 1.0 M
1/23/2010 7:00 AM 0.00 0.0 M 1.0 M
1/24/2010 7:00 AM 0.40 0.0 M 0.0 M ...just piles of snow left.
1/25/2010 7:00 AM 0.06 T T 0.0 M
1/26/2010 7:00 AM 0.03 0.3 0.03 0.5 0.03
1/27/2010 7:00 AM T T T T M
1/28/2010 7:00 AM 0.05 1.3 0.05 1.5 0.05
1/29/2010 7:00 AM 0.00 0.0 M 1.0 M
1/30/2010 7:00 AM T T T 1.0 M
1/31/2010 7:00 AM 0.00 0.0 M 0.5 M
2/1/2010 7:00 AM 0.00 0.0 M 0.5 M
2/2/2010 7:00 AM 0.05 0.6 0.05 0.5 M
2/3/2010 7:00 AM T T T T T
2/4/2010 7:00 AM 0.00 0.0 M T M
2/5/2010 7:00 AM 0.00 0.0 M T M
2/6/2010 7:00 AM 0.12 1.8 0.12 1.5 M Difficult to measure. Many drifts 10 to 20 inches, yet nearly bare in other areas.
2/7/2010 7:00 AM 0.00 0.0 M 1.0 M
2/8/2010 7:00 AM 0.00 0.0 M 0.5 M
2/9/2010 7:00 AM 0.16 1.9 0.16 2.0 M
2/10/2010 7:00 AM 0.39 7.4 0.39 9.5 M Storm total 9.3
2/11/2010 7:00 AM 0.00 0.0 M 7.0 M Many expansive drifts over 1 foot deep, i.e. covering half the back yard.
2/12/2010 7:00 AM 0.00 0.0 M 6.0 M
2/13/2010 7:00 AM 0.00 0.0 M 5.5 M
2/14/2010 7:00 AM 0.00 0.0 M 5.0 M
2/15/2010 7:00 AM 0.00 0.0 M 4.5 M
2/16/2010 7:00 AM 0.01 0.1 0.01 4.5 M
2/17/2010 7:00 AM 0.00 0.0 M 4.5 M
2/18/2010 7:00 AM 0.00 0.0 M 4.5 M
2/19/2010 7:00 AM 0.00 0.0 M 3.0 M
2/20/2010 7:00 AM T 0.1 T 1.5 M
2/21/2010 7:00 AM 0.00 0.0 M 1.5 M
2/22/2010 7:00 AM 0.60 4.0 0.60 4.5 M Very wet, clinging snow.
2/23/2010 7:00 AM 0.01 0.5 0.01 4.0 M
2/24/2010 7:00 AM 0.03 0.4 0.03 3.5 M
2/25/2010 7:00 AM 0.12 1.9 0.12 5.0 M
2/26/2010 7:00 AM 0.00 0.0 M 4.0 M
2/27/2010 8:00 AM T 0.1 T 4.0 M
2/28/2010 7:00 AM 0.00 0.0 M 4.0 M
3/1/2010 7:00 AM T T T 3.0 M
3/2/2010 7:00 AM 0.00 0.0 M 1.5 M
3/3/2010 7:00 AM 0.00 0.0 M 1.5 M
3/4/2010 7:00 AM 0.00 0.0 M 1.0 M
3/5/2010 7:00 AM 0.00 0.0 M 0.5 M
3/6/2010 7:00 AM 0.00 0.0 M T M
3/7/2010 7:00 AM 0.00 0.0 M T M
3/8/2010 7:00 AM 0.06 0.0 M T M
3/9/2010 7:00 AM 0.00 0.0 M 0.0 M
3/10/2010 7:00 AM 0.05 0.0 M 0.0 M
3/11/2010 7:00 AM T 0.0 M 0.0 M
3/12/2010 7:00 AM 0.28 0.0 M 0.0 M
3/13/2010 8:05 AM 0.54 0.0 M 0.0 M
3/14/2010 9:00 AM 0.18 0.0 M 0.0 M
3/15/2010 7:00 AM 0.00 0.0 M 0.0 M
3/16/2010 7:00 AM 0.00 0.0 M 0.0 M Heavy frost.
3/17/2010 7:00 AM 0.00 0.0 M 0.0 M
3/18/2010 7:00 AM 0.00 0.0 M 0.0 M
3/19/2010 7:00 AM 0.00 0.0 M 0.0 M
3/20/2010 8:45 AM T 0.0 M 0.0 M
3/21/2010 7:00 AM 0.12 T T 0.0 M
3/22/2010 7:00 AM 0.00 0.0 M 0.0 M
3/23/2010 7:00 AM 0.00 0.0 M 0.0 M
3/24/2010 7:00 AM 0.00 0.0 M 0.0 M
3/25/2010 7:00 AM 0.09 0.0 M 0.0 M
3/26/2010 7:00 AM 0.00 0.0 M 0.0 M
3/27/2010 7:00 AM 0.00 0.0 M 0.0 M
3/28/2010 7:00 AM 0.04 0.0 M 0.0 M
3/29/2010 7:00 AM 0.00 0.0 M 0.0 M
3/30/2010 7:00 AM 0.00 0.0 M 0.0 M
3/31/2010 7:00 AM 0.00 0.0 M 0.0 M
4/1/2010 7:00 AM 0.00 0.0 M 0.0 M
4/2/2010 7:00 AM 0.00 0.0 M 0.0 M ...WARMEST DAYS IN 6 MONTHS.
4/3/2010 8:40 AM 0.02 0.0 M 0.0 M
4/4/2010 8:00 AM 0.27 0.0 M 0.0 M
4/5/2010 7:00 AM 0.78 0.0 M 0.0 M
4/6/2010 7:00 AM T 0.0 M 0.0 M
4/7/2010 7:00 AM 0.02 0.0 M 0.0 M
4/8/2010 7:00 AM 0.89 0.0 M 0.0 M
4/9/2010 7:00 AM 0.01 0.0 M 0.0 M
4/10/2010 7:00 AM 0.00 0.0 M 0.0 M
4/11/2010 7:00 AM 0.00 0.0 M 0.0 M
4/12/2010 7:00 AM 0.00 0.0 M 0.0 M
4/13/2010 7:00 AM 0.00 0.0 M 0.0 M
4/14/2010 7:00 AM 0.00 0.0 M 0.0 M
4/15/2010 7:00 AM 0.00 0.0 M 0.0 M
4/16/2010 6:10 AM T 0.0 M 0.0 M
4/17/2010 7:00 AM 0.08 0.0 M 0.0 M
4/18/2010 7:00 AM 0.00 0.0 M 0.0 M
4/19/2010 7:00 AM 0.00 0.0 M 0.0 M
4/20/2010 7:00 AM 0.00 0.0 M 0.0 M
4/21/2010 7:00 AM 0.00 0.0 M 0.0 M
4/27/2010 7:00 AM 0.00 0.0 M 0.0 M
4/28/2010 7:00 AM 0.00 0.0 M 0.0 M
4/29/2010 7:00 AM 0.00 0.0 M 0.0 M
4/30/2010 7:00 AM 0.00 0.0 M M M
5/1/2010 5:30 AM 0.17 M M M M
5/2/2010 7:00 AM 0.68 M M M M
5/3/2010 7:00 AM 0.00 0.0 M M M
5/4/2010 7:00 AM 0.00 0.0 M M M
5/5/2010 7:00 AM 0.00 0.0 M M M
5/6/2010 7:00 AM 0.00 0.0 M M M
5/7/2010 7:20 AM 0.92 M M M M
5/8/2010 7:00 AM 0.17 M M M M
5/9/2010 7:00 AM T M M M M
5/10/2010 7:00 AM 0.00 0.0 M M M
5/11/2010 7:00 AM 0.85 M M M M
5/12/2010 7:00 AM 0.02 M M M M
5/13/2010 7:00 AM 1.10 M M M M
5/14/2010 7:00 AM 0.05 M M M M
5/15/2010 7:00 AM 0.00 0.0 M M M
5/16/2010 7:00 AM 0.00 0.0 M M M
5/17/2010 7:00 AM 0.16 M M M M
5/18/2010 7:00 AM 0.32 M M M M
5/19/2010 7:00 AM T M M M M
5/20/2010 7:00 AM 0.00 0.0 M M M
5/21/2010 7:00 AM 0.30 M M M M
5/22/2010 7:00 AM 0.17 M M M M
5/23/2010 7:00 AM 0.00 0.0 M M M
5/24/2010 7:00 AM 0.00 0.0 M M M
5/25/2010 7:00 AM 0.00 0.0 M M M
5/26/2010 7:00 AM 0.00 0.0 M M M
5/27/2010 7:00 AM 0.00 0.0 M M M
5/28/2010 7:00 AM 0.00 0.0 M M M
5/29/2010 7:00 AM 0.00 0.0 M M M
5/30/2010 7:00 AM 0.00 0.0 M M M
5/31/2010 8:00 AM 0.61 M M M M
6/1/2010 7:00 AM 0.72 M M M M
6/2/2010 6:40 AM 0.52 M M M M
6/3/2010 7:00 AM 0.01 M M M M
6/4/2010 7:00 AM 0.00 0.0 M M M
6/5/2010 5:30 AM 0.06 M M M M
6/6/2010 7:00 AM 0.18 M M M M
6/7/2010 7:00 AM 0.12 M M M M
6/8/2010 7:30 AM 0.02 M M M M
6/9/2010 7:00 AM 0.32 M M M M
6/10/2010 7:00 AM 0.00 0.0 M M M
6/11/2010 7:00 AM 0.00 0.0 M M M
6/12/2010 7:00 AM 0.00 0.0 M M M
6/13/2010 7:00 AM 0.78 M M M M
6/14/2010 7:00 AM 0.02 M M M M
6/15/2010 7:00 AM T M M M M
6/16/2010 7:00 AM 0.62 M M M M
6/17/2010 7:00 AM 0.00 0.0 M M M
6/18/2010 6:30 AM 0.02 M M M M
6/19/2010 7:00 AM 0.92 M M M M
6/20/2010 7:00 AM 0.00 0.0 M M M
6/21/2010 7:00 AM 0.00 0.0 M M M
6/22/2010 7:00 AM 0.33 M M M M
6/23/2010 6:00 AM 0.00 0.0 M M M
6/24/2010 6:00 AM 1.99 M M M M
6/25/2010 6:00 AM 0.00 0.0 M M M
6/26/2010 5:25 AM 0.32 M M M M
6/27/2010 7:00 AM 0.05 M M M M
6/28/2010 7:00 AM 0.32 M M M M
6/29/2010 7:00 AM 0.00 0.0 M M M
6/30/2010 7:00 AM 0.00 0.0 M M M
7/1/2010 7:00 AM 0.00 0.0 M M M
7/2/2010 6:00 AM 0.00 0.0 M M M
7/3/2010 7:00 AM 0.00 0.0 M M M
7/4/2010 7:00 AM 0.00 0.0 M M M
7/5/2010 7:00 AM 0.00 0.0 M M M
7/6/2010 6:00 AM 0.00 0.0 M M M
7/7/2010 6:30 AM 0.05 M M M M
7/8/2010 7:00 AM 0.20 M M M M
7/9/2010 7:00 AM 0.06 M M M M
7/10/2010 7:00 AM 0.00 0.0 M M M
7/11/2010 7:00 AM 0.00 0.0 M M M
7/12/2010 5:30 AM 0.32 M M M M
7/13/2010 7:00 AM 0.35 M M M M
7/14/2010 7:00 AM 0.00 0.0 M M M
7/15/2010 7:00 AM 0.00 0.0 M M M
7/16/2010 6:30 AM 0.00 0.0 M M M
7/17/2010 7:00 AM 0.00 0.0 M M M
7/18/2010 7:00 AM 0.00 0.0 M M M
7/19/2010 7:00 AM 0.13 M M M M
7/20/2010 7:00 AM T M M M M
7/21/2010 7:00 AM 0.00 0.0 M M M
7/22/2010 7:00 AM 0.00 0.0 M M M
7/23/2010 6:15 AM 0.00 0.0 M M M
7/24/2010 7:00 AM 0.77 M M M M
7/25/2010 7:00 AM 2.10 M M M M
7/26/2010 7:00 AM 0.00 0.0 M M M
7/27/2010 7:00 AM 0.00 0.0 M M M
7/28/2010 7:00 AM 0.00 0.0 M M M
7/29/2010 7:00 AM 0.65 M M M M
7/30/2010 7:30 AM T M M M M
7/31/2010 7:30 AM 1.61 M M M M
8/1/2010 7:00 AM 0.03 M M M M
8/2/2010 7:00 AM 0.00 0.0 M M M
8/3/2010 6:30 AM 2.04 M M M M ...rain continues.
8/4/2010 6:00 AM 0.34 M M M M
8/5/2010 7:00 AM 0.29 M M M M
8/6/2010 7:00 AM 0.00 0.0 M M M
8/7/2010 7:00 AM 0.00 0.0 M M M
8/8/2010 7:00 AM 0.00 0.0 M M M
8/9/2010 7:00 AM 0.00 0.0 M M M
8/10/2010 7:00 AM 0.00 0.0 M M M
8/11/2010 7:00 AM 0.00 0.0 M M M
8/12/2010 7:00 AM 0.00 0.0 M M M
8/13/2010 7:00 AM 0.00 0.0 M M M
8/14/2010 7:00 AM 0.36 M M M M
8/15/2010 7:00 AM T M M M M
8/16/2010 7:00 AM 0.00 0.0 M M M
8/17/2010 6:30 AM 0.00 0.0 M M M
8/18/2010 6:00 AM 0.07 M M M M
8/19/2010 7:00 AM 0.00 0.0 M M M
8/20/2010 7:00 AM 0.00 0.0 M M M
8/21/2010 7:00 AM 0.13 M M M M
8/22/2010 7:00 AM 0.00 0.0 M M M
8/23/2010 6:00 AM 0.00 0.0 M M M
8/24/2010 7:00 AM 0.00 0.0 M M M
8/25/2010 6:00 AM T M M M M
8/26/2010 7:00 AM 0.00 0.0 M M M
8/27/2010 7:00 AM 0.00 0.0 M M M
8/28/2010 7:00 AM 0.00 0.0 M M M
8/29/2010 7:00 AM 0.00 0.0 M M M
8/30/2010 6:00 AM 0.00 0.0 M M M
8/31/2010 7:00 AM 0.02 M M M M
9/1/2010 6:15 AM T M M M M
9/2/2010 7:30 AM 0.61 M M M M
9/3/2010 7:00 AM 0.91 M M M M
9/4/2010 7:00 AM 0.00 0.0 M M M
9/5/2010 7:00 AM 0.00 0.0 M M M
9/6/2010 7:00 AM 0.01 M M M M
9/7/2010 7:00 AM 0.01 M M M M
9/8/2010 7:00 AM 0.00 0.0 M M M
9/9/2010 7:00 AM 0.00 0.0 M M M
9/10/2010 7:00 AM 0.00 0.0 M M M
9/11/2010 8:15 AM 0.12 M M M M
9/12/2010 7:00 AM 0.06 M M M M
9/13/2010 7:00 AM 0.00 0.0 M M M
9/14/2010 7:00 AM 0.00 0.0 M M M
9/15/2010 7:00 AM 0.00 0.0 M M M
9/16/2010 7:00 AM 0.21 M M M M
9/17/2010 6:00 AM T M M M M
9/18/2010 7:00 AM 0.00 0.0 M M M
9/19/2010 7:00 AM 0.31 M M M M
9/20/2010 7:00 AM 0.00 0.0 M M M
9/21/2010 7:00 AM 0.00 0.0 M M M
9/22/2010 7:00 AM 0.54 M M M M
9/23/2010 6:00 AM 0.00 0.0 M M M
9/24/2010 8:00 AM 0.20 M M M M
9/25/2010 7:00 AM 0.00 0.0 M M M
9/26/2010 7:00 AM 0.04 M M M M
9/27/2010 7:00 AM T M M M M
9/28/2010 7:00 AM 0.00 0.0 M M M
9/29/2010 7:00 AM 0.00 0.0 M M M
9/30/2010 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
10/17/2009 10/18/2009 4:00 PM 2 0.26 M M Ice pellets mixed with rain showers downtown Chicago October 16 and 17.
4/22/2010 4/26/2010 7:00 AM 5 1.42 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
6/1/2010 6:32 PM 3/8" 1/4" Pea Size 1/4" Pea Size Clear Ice 3 1min no damage Continuous True After rain After smaller hail 10-20 0