Station Overview Station Location
Station Number IL-WL-137 Latitude 41.72431
Station Name Naperville 2.8 SSW Longitude -88.17107
County Will Elevation (ft) 684



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 18 3.00 5.68 32 4.82 17 0.86 15 2 11 0 0.0 0 0
Nov 18 3.25 3.28 30 3.28 30 0.00 0 0 12 1 7.1 5 4
Dec 18 2.31 2.72 31 2.72 31 0.00 0 0 11 2 0.3 1 0
Jan 19 1.76 2.55 31 2.55 31 0.00 0 0 12 2 13.8 8 2
Feb 19 1.72 3.08 28 3.08 28 0.00 0 0 13 1 5.3 6 1
March 19 2.40 2.19 30 2.19 22 0.00 8 1 7 1 0.0 0 0
April 19 3.56 5.13 30 5.13 30 0.00 0 0 16 0 2.6 3 0
May 19 4.05 11.34 31 11.34 31 0.00 0 0 23 0 0.0 0 0
June 19 4.20 4.66 30 4.66 27 0.00 3 0 14 0 0.0 0 0
July 19 4.03 6.33 31 5.33 30 1.00 1 1 11 0 0.0 0 0
Aug 19 4.20 3.20 31 2.92 28 0.28 3 1 9 0 0.0 0 0
Sept 19 3.24 7.09 30 7.09 30 0.00 0 0 17 0 0.0 0 0
Water Year Totals: 37.72" 57.25" 365 days 55.11" 335 2.14" 30 days 5 156 days 7 days 29.1" 23 days 7 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
10/1/2018 0.08 0.08
10/2/2018 1.61
10/3/2018 0.00
10/4/2018 0.07
10/5/2018 0.43
10/6/2018 0.69
10/7/2018 0.11
10/8/2018 0.68
10/9/2018 0.02
10/10/2018 0.15
10/11/2018 **
10/12/2018 **
10/13/2018 **
10/14/2018 **
10/15/2018 **
10/16/2018 **
10/17/2018 **
10/18/2018 **
10/19/2018 **
10/20/2018 **
10/21/2018 **
10/22/2018 **
10/23/2018 **
10/24/2018 0.78
10/25/2018 0.00
10/26/2018 0.00
10/27/2018 0.00
10/28/2018 0.19
10/29/2018 0.00
10/30/2018 0.00
10/31/2018 0.79
11/1/2018 0.00
11/2/2018 0.00
11/3/2018 0.00
11/4/2018 0.15
11/5/2018 0.61
11/6/2018 0.44
11/7/2018 0.01
11/8/2018 0.00
11/9/2018 0.16
11/10/2018 0.00
11/11/2018 0.00
11/12/2018 0.00
11/13/2018 0.00
11/14/2018 0.00
11/15/2018 0.04
11/16/2018 0.00
11/17/2018 0.11
11/18/2018 0.16
11/19/2018 0.00
11/20/2018 0.00
11/21/2018 0.00
11/22/2018 0.00
11/23/2018 0.00
11/24/2018 0.26
11/25/2018 0.12
11/26/2018 1.21
11/27/2018 0.01
11/28/2018 0.00
11/29/2018 T
11/30/2018 0.00
12/1/2018 0.48
12/2/2018 0.55
12/3/2018 0.08
12/4/2018 0.00
12/5/2018 0.01
12/6/2018 0.00
12/7/2018 0.00
12/8/2018 0.00
12/9/2018 0.00
12/10/2018 0.00
12/11/2018 0.00
12/12/2018 0.00
12/13/2018 0.00
12/14/2018 0.33
12/15/2018 0.00
12/16/2018 0.00
12/17/2018 0.00
12/18/2018 0.00
12/19/2018 0.00
12/20/2018 T
12/21/2018 0.15
12/22/2018 0.00
12/23/2018 0.00
12/24/2018 0.00
12/25/2018 T
12/26/2018 0.00
12/27/2018 0.47
12/28/2018 0.32
12/29/2018 0.05
12/30/2018 0.01
12/31/2018 0.27
Day of YearDaily PrcpMultiday Prcp
1/1/2019 0.52
1/2/2019 0.02
1/3/2019 T
1/4/2019 0.00
1/5/2019 0.00
1/6/2019 0.00
1/7/2019 0.30
1/8/2019 0.12
1/9/2019 0.00
1/10/2019 0.00
1/11/2019 0.00
1/12/2019 0.00
1/13/2019 0.19
1/14/2019 0.00
1/15/2019 0.00
1/16/2019 0.00
1/17/2019 0.00
1/18/2019 0.00
1/19/2019 0.23
1/20/2019 0.00
1/21/2019 0.00
1/22/2019 0.00
1/23/2019 0.51
1/24/2019 0.03
1/25/2019 T
1/26/2019 0.06
1/27/2019 0.08
1/28/2019 0.46
1/29/2019 0.03
1/30/2019 0.00
1/31/2019 0.00
2/1/2019 0.10
2/2/2019 0.00
2/3/2019 0.00
2/4/2019 T
2/5/2019 0.00
2/6/2019 0.29
2/7/2019 0.77
2/8/2019 0.12
2/9/2019 0.00
2/10/2019 0.00
2/11/2019 0.07
2/12/2019 0.63
2/13/2019 0.04
2/14/2019 0.00
2/15/2019 0.00
2/16/2019 0.00
2/17/2019 0.04
2/18/2019 0.15
2/19/2019 0.00
2/20/2019 0.08
2/21/2019 0.02
2/22/2019 0.00
2/23/2019 0.05
2/24/2019 0.72
2/25/2019 0.00
2/26/2019 0.00
2/27/2019 0.00
2/28/2019 0.00
3/1/2019 0.00
3/2/2019 0.00
3/3/2019 0.00
3/4/2019 0.00
3/5/2019 0.01
3/6/2019 0.00
3/7/2019 0.00
3/8/2019 T
3/9/2019 0.00
3/10/2019 0.62
3/11/2019 0.00
3/12/2019 0.00
3/13/2019 0.30
3/14/2019 0.41
3/15/2019 0.16
3/16/2019
3/17/2019 0.00
3/18/2019 0.00
3/19/2019 0.00
3/20/2019 **
3/21/2019 **
3/22/2019 **
3/23/2019 **
3/24/2019 **
3/25/2019 **
3/26/2019 **
3/27/2019 0.00
3/28/2019 0.08
3/29/2019 0.00
3/30/2019 0.61
3/31/2019 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2019 0.00
4/2/2019 0.00
4/3/2019 0.00
4/4/2019 0.16
4/5/2019 0.13
4/6/2019 0.00
4/7/2019 0.00
4/8/2019 0.24
4/9/2019 0.00
4/10/2019 0.00
4/11/2019 0.06
4/12/2019 0.24
4/13/2019 0.00
4/14/2019 0.50
4/15/2019 0.24
4/16/2019 0.00
4/17/2019 0.00
4/18/2019 0.14
4/19/2019 0.25
4/20/2019 0.00
4/21/2019 0.00
4/22/2019 0.00
4/23/2019 0.58
4/24/2019 0.02
4/25/2019 0.00
4/26/2019 0.14
4/27/2019 0.07
4/28/2019 0.95
4/29/2019 1.14
4/30/2019 0.27
5/1/2019 2.45
5/2/2019 0.44
5/3/2019 0.14
5/4/2019 0.01
5/5/2019 0.00
5/6/2019 0.00
5/7/2019 0.80
5/8/2019 0.09
5/9/2019 0.93
5/10/2019 0.01
5/11/2019 0.00
5/12/2019 0.10
5/13/2019 0.10
5/14/2019 0.00
5/15/2019 0.00
5/16/2019 0.00
5/17/2019 0.93
5/18/2019 0.05
5/19/2019 0.74
5/20/2019 0.13
5/21/2019 0.09
5/22/2019 0.64
5/23/2019 0.14
5/24/2019 0.17
5/25/2019 0.02
5/26/2019 0.12
5/27/2019 0.00
5/28/2019 1.92
5/29/2019 0.95
5/30/2019 0.37
5/31/2019 0.00
6/1/2019 0.00
6/2/2019 0.00
6/3/2019 0.00
6/4/2019 0.17
6/5/2019 0.34
6/6/2019 0.00
6/7/2019 0.00
6/8/2019 0.00
6/9/2019 0.00
6/10/2019 0.02
6/11/2019 0.00
6/12/2019 0.02
6/13/2019 0.49
6/14/2019 0.00
6/15/2019 0.04
6/16/2019 0.46
6/17/2019 0.01
6/18/2019 0.00
6/19/2019 0.00
6/20/2019 1.28
6/21/2019 0.01
6/22/2019 0.00
6/23/2019 0.03
6/24/2019 0.10
6/25/2019 0.33
6/26/2019 0.00
6/27/2019 1.36
6/28/2019 **
6/29/2019 **
6/30/2019 **
Day of YearDaily PrcpMultiday Prcp
7/1/2019 1.00
7/2/2019 0.00
7/3/2019 1.06
7/4/2019 0.00
7/5/2019 0.00
7/6/2019 0.00
7/7/2019 0.11
7/8/2019 0.00
7/9/2019 0.00
7/10/2019 0.00
7/11/2019 0.00
7/12/2019 0.00
7/13/2019 0.00
7/14/2019 0.36
7/15/2019 0.14
7/16/2019 0.05
7/17/2019 0.09
7/18/2019 0.07
7/19/2019 1.94
7/20/2019 0.00
7/21/2019 0.00
7/22/2019 0.99
7/23/2019 0.00
7/24/2019 0.00
7/25/2019 0.00
7/26/2019 0.00
7/27/2019 0.00
7/28/2019 0.00
7/29/2019 0.05
7/30/2019 0.47
7/31/2019 0.00
8/1/2019 0.00
8/2/2019 0.00
8/3/2019 0.00
8/4/2019 0.00
8/5/2019 0.00
8/6/2019 0.10
8/7/2019 0.00
8/8/2019 0.00
8/9/2019 0.00
8/10/2019 0.00
8/11/2019 0.23
8/12/2019 0.00
8/13/2019 0.27
8/14/2019 0.41
8/15/2019 **
8/16/2019 **
8/17/2019 0.28
8/18/2019 0.99
8/19/2019 0.00
8/20/2019 0.00
8/21/2019 0.13
8/22/2019 0.09
8/23/2019 0.00
8/24/2019 0.00
8/25/2019 0.00
8/26/2019 0.19
8/27/2019 0.51
8/28/2019 0.00
8/29/2019 0.00
8/30/2019 0.00
8/31/2019 0.00
9/1/2019 1.03
9/2/2019 0.00
9/3/2019 0.20
9/4/2019 0.02
9/5/2019 0.00
9/6/2019 0.00
9/7/2019 0.00
9/8/2019 0.09
9/9/2019 0.09
9/10/2019 0.00
9/11/2019 0.00
9/12/2019 0.13
9/13/2019 0.72
9/14/2019 0.00
9/15/2019 1.06
9/16/2019 0.00
9/17/2019 0.00
9/18/2019 0.00
9/19/2019 0.00
9/20/2019 0.06
9/21/2019 0.03
9/22/2019 0.60
9/23/2019 0.63
9/24/2019 0.00
9/25/2019 0.02
9/26/2019 0.00
9/27/2019 1.86
9/28/2019 0.48
9/29/2019 0.06
9/30/2019 0.01



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2018 9:00 AM 0.08 M M M M
10/2/2018 6:00 AM 1.61 M M M M
10/3/2018 9:00 AM 0.00 0.0 M M M
10/4/2018 9:00 AM 0.07 0.0 M M M
10/5/2018 9:00 AM 0.43 M M M M
10/6/2018 9:00 AM 0.69 M M M M
10/7/2018 8:30 AM 0.11 M M M M
10/8/2018 6:00 AM 0.68 M M M M
10/9/2018 9:00 AM 0.02 M M M M
10/10/2018 4:00 AM 0.15 M M M M
10/25/2018 9:00 AM 0.00 0.0 M M M
10/26/2018 9:00 AM 0.00 0.0 M M M
10/27/2018 9:00 AM 0.00 0.0 M M M
10/28/2018 9:00 AM 0.19 M M M M
10/29/2018 9:00 AM 0.00 0.0 M M M
10/30/2018 9:00 AM 0.00 0.0 M M M
10/31/2018 9:00 AM 0.79 M M M M
11/1/2018 9:00 AM 0.00 0.0 M M M
11/2/2018 9:00 AM 0.00 0.0 M M M
11/3/2018 9:00 AM 0.00 0.0 M M M
11/4/2018 9:00 AM 0.15 M M M M
11/5/2018 9:00 AM 0.61 M M M M
11/6/2018 9:00 AM 0.44 M M M M
11/7/2018 9:00 AM 0.01 M M M M
11/8/2018 9:00 AM 0.00 0.0 M M M
11/9/2018 9:00 AM 0.16 1.4 0.16 1.5 0.16 Sidewalks, roads wet First snow of season
11/10/2018 9:00 AM 0.00 0.0 M M M
11/11/2018 9:00 AM 0.00 0.0 M M M
11/12/2018 9:00 AM 0.00 0.0 M M M
11/13/2018 9:00 AM 0.00 0.0 M M M
11/14/2018 9:00 AM 0.00 0.0 M M M
11/15/2018 10:00 AM 0.04 0.8 0.04 M M Light snow; grass and pavement covered
11/16/2018 9:00 AM 0.00 0.0 M M M
11/17/2018 8:30 AM 0.11 1.2 0.11 1.0 M light snow continues
11/18/2018 9:00 AM 0.16 0.4 0.05 1.0 0.19 Snow on ground is melting
11/19/2018 9:00 AM 0.00 0.0 M M M rain tube coated in frost. Temp 28
11/20/2018 9:00 AM 0.00 0.0 M M M
11/21/2018 9:00 AM 0.00 0.0 M M M
11/22/2018 9:00 AM 0.00 0.0 M M M
11/23/2018 9:00 AM 0.00 0.0 M M M
11/24/2018 9:00 AM 0.26 M M M M
11/25/2018 11:00 AM 0.12 M M M M 38 degrees, light rain
11/26/2018 9:00 AM 1.21 3.3 0.70 M M Snow began about 18:00 11/25/2018 with rain prior so gauge includes both. Heavy wet snow. Ratio using board core is 4.7
11/27/2018 9:00 AM 0.01 T T M M Temp 23 Melting snow frozen hard
11/28/2018 9:00 AM 0.00 0.0 M M M
11/29/2018 9:00 AM T T M 3.0 0.69 Temp 40; slow melting underway
11/30/2018 9:00 AM 0.00 0.0 M M M
12/1/2018 10:00 AM 0.48 0.0 M M M raining
12/2/2018 9:00 AM 0.55 0.0 M 0.0 M
12/3/2018 10:00 AM 0.08 T M M M At 930, noted snow on grass, wet on patio. By 1000, snow had melted.
12/4/2018 9:00 AM 0.00 0.0 M M M
12/5/2018 9:00 AM 0.01 T M M M
12/6/2018 9:00 AM 0.00 0.0 M M M
12/7/2018 9:00 AM 0.00 0.0 M M M
12/8/2018 9:00 AM 0.00 0.0 M M M
12/9/2018 9:00 AM 0.00 0.0 M M M
12/10/2018 9:00 AM 0.00 0.0 M M M
12/11/2018 9:00 AM 0.00 0.0 M M M
12/12/2018 9:00 AM 0.00 0.0 M M M
12/13/2018 9:00 AM 0.00 0.0 M M M
12/14/2018 9:00 AM 0.33 M M M M
12/15/2018 9:00 AM 0.00 0.0 M M M
12/16/2018 9:00 AM 0.00 0.0 M M M
12/17/2018 9:00 AM 0.00 0.0 M M M
12/18/2018 9:00 AM 0.00 0.0 M M M
12/19/2018 9:00 AM 0.00 0.0 M M M
12/20/2018 9:00 AM T M M M M
12/21/2018 9:00 AM 0.15 M M M M
12/22/2018 9:00 AM 0.00 0.0 M M M
12/23/2018 9:00 AM 0.00 0.0 M M M
12/24/2018 9:00 AM 0.00 0.0 M M M
12/25/2018 9:00 AM T M M M M
12/26/2018 9:00 AM 0.00 0.0 M M M
12/27/2018 10:30 AM 0.47 M M M M
12/28/2018 10:30 AM 0.32 M M M M
12/29/2018 9:30 AM 0.05 0.3 0.07 M M Light new snow cover; pavement wet 30F
12/30/2018 9:00 AM 0.01 T M M M
12/31/2018 10:30 AM 0.27 0.0 M 0.0 M
1/1/2019 9:00 AM 0.52 T M M M A mystery. Gauge was frozen and contained a couple of dozen white particles. They sink but then slowly float to the surface and sink like a Cartesian diver. Can stick with a toothpick--consistency of an onion. Have photos and sample. Will discuss with administrator.
1/2/2019 9:00 AM 0.02 0.0 M M M Light ice glazing on pavement
1/3/2019 9:00 AM T T M M M
1/4/2019 9:00 AM 0.00 0.0 M M M
1/5/2019 9:00 AM 0.00 0.0 M M M
1/6/2019 9:00 AM 0.00 0.0 M M M
1/7/2019 10:00 AM 0.30 M M M M
1/8/2019 9:00 AM 0.12 M M M M
1/9/2019 8:00 AM 0.00 0.0 M M M
1/10/2019 9:00 AM 0.00 0.0 M M M
1/11/2019 9:00 AM 0.00 0.0 M M M
1/12/2019 6:00 AM 0.00 0.0 M M M
1/13/2019 9:00 AM 0.19 2.4 0.25 2.4 M
1/14/2019 9:00 AM 0.00 0.0 M M M
1/15/2019 9:00 AM 0.00 0.0 M M M
1/16/2019 9:00 AM 0.00 0.0 M M M
1/17/2019 9:00 AM 0.00 0.0 M M M
1/18/2019 9:00 AM 0.00 0.0 M M M
1/19/2019 11:00 AM 0.23 2.8 0.28 M M
1/20/2019 7:00 AM 0.00 0.0 M M M
1/21/2019 9:00 AM 0.00 0.0 M M M
1/22/2019 6:00 AM 0.00 0.0 M M M
1/23/2019 9:30 AM 0.51 0.9 0.25 M M Yesterday freezing rain at 26F,then warmed to 31F with continuing rain. Light snow overnight.
1/24/2019 7:00 AM 0.03 0.2 0.02 M M
1/25/2019 9:00 AM T T T M M
1/26/2019 9:00 AM 0.06 0.8 0.10 M M
1/27/2019 9:00 AM 0.08 2.1 0.14 M M
1/28/2019 8:30 AM 0.46 3.9 0.57 9.5 1.49
1/29/2019 9:00 AM 0.03 0.7 0.03 M M
1/30/2019 9:00 AM 0.00 0.0 M M M
1/31/2019 9:00 AM 0.00 0.0 M M M
2/1/2019 7:00 AM 0.10 1.4 0.11 M M
2/2/2019 9:00 AM 0.00 0.0 M M M
2/3/2019 9:00 AM 0.00 0.0 M M M
2/4/2019 9:00 AM T 0.0 M 2.5 0.79
2/5/2019 9:00 AM 0.00 0.0 M M M
2/6/2019 9:00 AM 0.29 M M M M
2/7/2019 10:30 AM 0.77 0.0 M 0.0 M
2/8/2019 8:00 AM 0.12 0.0 M M M
2/9/2019 9:00 AM 0.00 0.0 M M M
2/10/2019 9:00 AM 0.00 0.0 M M M Steady snow began 13:00 on 2/10/19
2/11/2019 9:00 AM 0.07 0.7 0.07 M M
2/12/2019 9:00 AM 0.63 M M M M Ice event. Some trees bent down. Rain gauge coated inside and out with about 0.1" ice.
2/13/2019 9:00 AM 0.04 0.2 0.02 M M snow board has residual crusty ice.
2/14/2019 9:00 AM 0.00 0.0 M M M
2/15/2019 9:00 AM 0.00 0.0 M M M
2/16/2019 9:00 AM 0.00 0.0 M M M
2/17/2019 9:00 AM 0.04 0.4 0.04 M M
2/18/2019 9:00 AM 0.15 2.1 0.16 M M
2/19/2019 9:00 AM 0.00 0.0 M M M
2/20/2019 9:00 AM 0.08 0.5 0.09 M M Rain gauge coated with a light ice glaze.
2/21/2019 9:00 AM 0.02 M M M M
2/22/2019 9:00 AM 0.00 0.0 M M M
2/23/2019 10:00 AM 0.05 M M M M
2/24/2019 9:00 AM 0.72 M M 0.0 M 24F high winds from West 40 MPH, gusts to 50-60
2/25/2019 9:00 AM 0.00 0.0 M M M
2/26/2019 9:00 AM 0.00 0.0 M M M
2/27/2019 8:30 AM 0.00 0.0 M M M
2/28/2019 9:00 AM 0.00 0.0 M M M
3/1/2019 9:00 AM 0.00 0.0 M M M
3/2/2019 9:00 AM 0.00 0.0 M M M
3/3/2019 9:00 AM 0.00 0.0 M M M
3/4/2019 9:00 AM 0.00 0.0 M M M
3/5/2019 9:00 AM 0.01 T M M M
3/6/2019 9:00 AM 0.00 0.0 M M M
3/7/2019 9:00 AM 0.00 0.0 M M M
3/8/2019 9:00 AM T T M M M
3/9/2019 9:00 AM 0.00 0.0 M M M
3/10/2019 9:00 AM 0.62 M M M M
3/11/2019 9:00 AM 0.00 0.0 M M M
3/12/2019 9:00 AM 0.00 0.0 M M M
3/13/2019 9:00 AM 0.30 M M M M
3/14/2019 10:00 AM 0.41 M M M M
3/15/2019 9:00 AM 0.16 M M M M
3/17/2019 9:00 AM 0.00 0.0 M M M
3/18/2019 9:00 AM 0.00 0.0 M M M
3/19/2019 9:00 AM 0.00 0.0 M M M
3/28/2019 8:00 AM 0.08 M M M M
3/29/2019 9:00 AM 0.00 0.0 M M M
3/30/2019 9:00 AM 0.61 M M M M
3/31/2019 9:00 AM 0.00 0.0 M M M
4/1/2019 9:00 AM 0.00 0.0 M M M
4/2/2019 9:00 AM 0.00 0.0 M M M
4/3/2019 9:00 AM 0.00 0.0 M M M
4/4/2019 9:00 AM 0.16 M M M M
4/5/2019 9:00 AM 0.13 M M M M
4/6/2019 6:00 AM 0.00 0.0 M M M
4/7/2019 7:00 AM 0.00 0.0 M M M
4/8/2019 9:00 AM 0.24 M M M M
4/9/2019 9:00 AM 0.00 0.0 M M M
4/10/2019 9:00 AM 0.00 0.0 M M M
4/11/2019 6:00 AM 0.06 M M M M
4/12/2019 9:00 AM 0.24 M M M M
4/13/2019 9:00 AM 0.00 0.0 M M M
4/14/2019 10:30 AM 0.50 1.5 0.43 M M Another 0,8" snow by 2 pm. Temp 33; melting rapidly.
4/15/2019 9:00 AM 0.24 0.7 0.15 M M
4/16/2019 9:00 AM 0.00 0.0 M M M
4/17/2019 9:00 AM 0.00 0.0 M M M
4/18/2019 8:30 AM 0.14 M M M M
4/19/2019 9:00 AM 0.25 M M M M
4/20/2019 9:00 AM 0.00 0.0 M M M
4/21/2019 9:00 AM 0.00 0.0 M M M
4/22/2019 9:00 AM 0.00 0.0 M M M
4/23/2019 6:00 AM 0.58 M M M M
4/24/2019 9:00 AM 0.02 M M M M
4/25/2019 9:00 AM 0.00 0.0 M M M
4/26/2019 9:00 AM 0.14 M M M M
4/27/2019 9:30 AM 0.07 M M M M
4/28/2019 9:00 AM 0.95 0.4 0.32 M M Very wet snow started 11 am 4/27/19 and continued intermittently, mostly melting except on grass and roofs. Very wet white slush remained 4/28 morning
4/29/2019 10:00 AM 1.14 M M M M
4/30/2019 9:00 AM 0.27 M M M M
5/1/2019 9:00 AM 2.45 M M M M
5/2/2019 9:00 AM 0.44 M M M M
5/3/2019 9:00 AM 0.14 M M M M
5/4/2019 9:00 AM 0.01 M M M M
5/5/2019 9:00 AM 0.00 0.0 M M M
5/6/2019 9:00 AM 0.00 0.0 M M M
5/7/2019 9:00 AM 0.80 M M M M
5/8/2019 9:00 AM 0.09 M M M M
5/9/2019 9:00 AM 0.93 M M M M
5/10/2019 8:00 AM 0.01 M M M M
5/11/2019 9:00 AM 0.00 0.0 M M M
5/12/2019 9:00 AM 0.10 M M M M
5/13/2019 9:00 AM 0.10 M M M M
5/14/2019 9:00 AM 0.00 0.0 M M M
5/15/2019 9:00 AM 0.00 0.0 M M M
5/16/2019 9:00 AM 0.00 0.0 M M M
5/17/2019 9:00 AM 0.93 M M M M Of the daily total of 0.93 inches, 0.59 was received in a early afternoon storm 5/16; the remainder at around 22:30--which included some brief mushy hail about pea size.
5/18/2019 9:00 AM 0.05 M M M M
5/19/2019 9:00 AM 0.74 M M M M
5/20/2019 9:00 AM 0.13 M M M M
5/21/2019 9:00 AM 0.09 M M M M
5/22/2019 9:00 AM 0.64 M M M M
5/23/2019 9:00 AM 0.14 M M M M
5/24/2019 9:00 AM 0.17 M M M M
5/25/2019 9:00 AM 0.02 M M M M
5/26/2019 10:30 AM 0.12 M M M M
5/27/2019 9:00 AM 0.00 0.0 M M M
5/28/2019 6:00 AM 1.92 M M M M Two heavy storms on 5/27; 1.32" in 16 minutes at 14:04 (5"/hr). Then 0.6" at 16:20 Brief hail pea up to marble size. No damage
5/29/2019 9:00 AM 0.95 M M M M
5/30/2019 9:00 AM 0.37 M M M M
5/31/2019 8:00 AM 0.00 0.0 M M M
6/1/2019 7:00 AM 0.00 0.0 M M M Chicago set record for May rain: 8.25 Previous was 8.21" in 2018. This station IL-WL-137 had 23 days with rain, totaling 11.34 inches. Chicago average is 3.68 inches
6/2/2019 9:00 AM 0.00 0.0 M M M
6/3/2019 9:00 AM 0.00 0.0 M M M
6/4/2019 9:30 AM 0.17 M M M M
6/5/2019 9:00 AM 0.34 M M M M
6/6/2019 9:00 AM 0.00 0.0 M M M
6/7/2019 8:00 AM 0.00 0.0 M M M
6/8/2019 9:00 AM 0.00 0.0 M M M
6/9/2019 7:00 AM 0.00 0.0 M M M
6/10/2019 9:00 AM 0.02 M M M M
6/11/2019 9:00 AM 0.00 0.0 M M M
6/12/2019 9:30 AM 0.02 M M M M
6/13/2019 9:00 AM 0.49 M M M M
6/14/2019 9:00 AM 0.00 0.0 M M M
6/15/2019 9:00 AM 0.04 M M M M
6/16/2019 9:00 AM 0.46 M M M M
6/17/2019 9:00 AM 0.01 M M M M
6/18/2019 9:00 AM 0.00 0.0 M M M
6/19/2019 9:00 AM 0.00 0.0 M M M
6/20/2019 7:00 AM 1.28 M M M M
6/21/2019 9:00 AM 0.01 M M M M
6/22/2019 9:00 AM 0.00 0.0 M M M
6/23/2019 9:00 AM 0.03 M M M M
6/24/2019 9:00 AM 0.10 M M M M
6/25/2019 6:00 AM 0.33 M M M M
6/26/2019 9:00 AM 0.00 0.0 M M M
6/27/2019 9:00 AM 1.36 M M M M All rain fell in heavy 25 min storm 8 pm Wed 6/26
7/2/2019 9:00 AM 0.00 0.0 M M M
7/3/2019 9:00 AM 1.06 M M M M
7/4/2019 9:00 AM 0.00 0.0 M M M
7/5/2019 9:00 AM 0.00 0.0 M M M
7/6/2019 9:00 AM 0.00 0.0 M M M Rain gage collected 8 Japanese beetles--but no rain.
7/7/2019 9:00 AM 0.11 M M M M One Japanese beetle in gauge
7/8/2019 9:00 AM 0.00 0.0 M M M
7/9/2019 9:00 AM 0.00 0.0 M M M Two Japanese beetles in rain gauge. No vegetation damage noted on maple trees. They prefer lindens.
7/10/2019 9:00 AM 0.00 0.0 M M M One Japanese beetle in the rain gauge
7/11/2019 9:00 AM 0.00 0.0 M M M
7/12/2019 9:00 AM 0.00 0.0 M M M Three Japanese beetles in rain gauge.
7/13/2019 9:00 AM 0.00 0.0 M M M
7/14/2019 9:00 AM 0.36 M M M M
7/15/2019 8:00 AM 0.14 M M M M
7/16/2019 9:00 AM 0.05 M M M M
7/17/2019 9:00 AM 0.09 M M M M
7/18/2019 8:00 AM 0.07 M M M M
7/19/2019 9:00 AM 1.94 M M M M
7/20/2019 9:00 AM 0.00 0.0 M M M
7/21/2019 9:00 AM 0.00 0.0 M M M
7/22/2019 6:00 AM 0.99 M M M M
7/23/2019 9:00 AM 0.00 0.0 M M M
7/24/2019 9:00 AM 0.00 0.0 M M M
7/25/2019 9:00 AM 0.00 0.0 M M M
7/26/2019 8:00 AM 0.00 0.0 M M M
7/27/2019 9:00 AM 0.00 0.0 M M M
7/28/2019 9:00 AM 0.00 0.0 M M M
7/29/2019 9:00 AM 0.05 M M M M
7/30/2019 9:00 AM 0.47 M M M M
7/31/2019 9:00 AM 0.00 0.0 M M M
8/1/2019 9:00 AM 0.00 0.0 M M M
8/2/2019 9:00 AM 0.00 0.0 M M M
8/3/2019 7:00 AM 0.00 0.0 M M M
8/4/2019 9:00 AM 0.00 0.0 M M M
8/5/2019 9:00 AM 0.00 0.0 M M M
8/6/2019 9:00 AM 0.10 M M M M
8/7/2019 9:00 AM 0.00 0.0 M M M
8/8/2019 9:00 AM 0.00 0.0 M M M
8/9/2019 9:00 AM 0.00 0.0 M M M
8/10/2019 7:00 AM 0.00 0.0 M M M
8/11/2019 9:00 AM 0.23 M M M M
8/12/2019 9:00 AM 0.00 0.0 M M M
8/13/2019 9:00 AM 0.27 M M M M
8/14/2019 9:00 AM 0.41 M M M M
8/18/2019 9:00 AM 0.99 M M M M
8/19/2019 9:00 AM 0.00 0.0 M M M
8/20/2019 9:00 AM 0.00 0.0 M M M
8/21/2019 9:00 AM 0.13 M M M M
8/22/2019 9:00 AM 0.09 M M M M
8/23/2019 9:00 AM 0.00 0.0 M M M
8/24/2019 9:00 AM 0.00 0.0 M M M
8/25/2019 9:00 AM 0.00 0.0 M M M
8/26/2019 10:30 AM 0.19 M M M M
8/27/2019 6:30 AM 0.51 M M M M
8/28/2019 9:00 AM 0.00 0.0 M M M
8/29/2019 9:00 AM 0.00 0.0 M M M
8/30/2019 9:00 AM 0.00 0.0 M M M
8/31/2019 9:00 AM 0.00 0.0 M M M
9/1/2019 9:00 AM 1.03 M M M M
9/2/2019 9:00 AM 0.00 0.0 M M M
9/3/2019 10:30 AM 0.20 M M M M
9/4/2019 9:00 AM 0.02 M M M M
9/5/2019 6:30 AM 0.00 0.0 M M M
9/6/2019 9:00 AM 0.00 0.0 M M M
9/7/2019 9:00 AM 0.00 0.0 M M M
9/8/2019 10:00 AM 0.09 M M M M
9/9/2019 9:00 AM 0.09 M M M M
9/10/2019 9:00 AM 0.00 0.0 M M M
9/11/2019 9:00 AM 0.00 0.0 M M M
9/12/2019 9:00 AM 0.13 M M M M
9/13/2019 9:00 AM 0.72 M M M M
9/14/2019 7:00 AM 0.00 0.0 M M M
9/15/2019 9:00 AM 1.06 M M M M
9/16/2019 7:00 AM 0.00 0.0 M M M
9/17/2019 7:30 AM 0.00 0.0 M M M
9/18/2019 9:00 AM 0.00 0.0 M M M
9/19/2019 9:00 AM 0.00 0.0 M M M
9/20/2019 9:00 AM 0.06 M M M M
9/21/2019 9:00 AM 0.03 M M M M
9/22/2019 9:00 AM 0.60 M M M M
9/23/2019 9:00 AM 0.63 M M M M
9/24/2019 8:00 AM 0.00 0.0 M M M
9/25/2019 9:00 AM 0.02 M M M M
9/26/2019 7:00 AM 0.00 0.0 M M M
9/27/2019 9:00 AM 1.86 M M M M
9/28/2019 9:00 AM 0.48 M M M M The 10 pm 9/27/2019 Chicago TV weather reported cloud to ground lightning averaging 5000 strikes per hour.
9/29/2019 9:00 AM 0.06 M M M M
9/30/2019 7:00 AM 0.01 M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
9/28/2018 10/01/2018 9:00 AM 4 0.08 M M
10/11/2018 10/24/2018 9:00 AM 14 0.78 M M
3/20/2019 3/27/2019 9:00 AM 8 0.00 M M
6/28/2019 7/01/2019 9:00 AM 4 1.00 M M
8/15/2019 8/17/2019 1:30 PM 3 0.28 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