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 17 3.00 12.04 30 12.04 30 0.00 0 0 13 0 0.0 0 0
Nov 17 3.25 2.44 30 1.55 27 0.89 3 1 9 2 0.0 0 0
Dec 17 2.31 0.71 31 0.71 31 0.00 0 0 9 1 6.4 6 3
Jan 18 1.76 1.87 31 1.87 31 0.00 0 0 9 2 5.9 5 6
Feb 18 1.72 5.23 26 5.23 26 0.00 0 0 13 1 21.1 8 4
March 18 2.40 2.38 31 2.38 31 0.00 0 0 8 0 1.4 3 0
April 18 3.56 2.03 30 1.87 20 0.16 10 1 7 2 3.0 3 0
May 18 4.05 4.55 31 4.55 31 0.00 0 0 15 0 0.0 0 0
June 18 4.20 7.77 30 7.77 30 0.00 0 0 14 0 0.0 0 0
July 18 4.03 1.46 30 1.46 30 0.00 0 0 8 0 0.0 0 0
Aug 18 4.20 5.66 31 5.66 31 0.00 0 0 15 0 0.0 0 0
Sept 18 3.24 2.63 29 2.63 26 0.00 3 0 8 1 0.0 0 0
Water Year Totals: 37.72" 48.77" 360 days 47.72" 344 1.05" 16 days 2 128 days 9 days 37.8" 25 days 13 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 0.00
10/5/2017 0.14
10/6/2017 0.29
10/7/2017 0.18
10/8/2017 0.43
10/9/2017
10/10/2017 0.00
10/11/2017 1.51
10/12/2017 0.11
10/13/2017 0.00
10/14/2017 2.94
10/15/2017 4.36
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 0.83
10/24/2017 0.62
10/25/2017 0.52
10/26/2017 0.00
10/27/2017 0.00
10/28/2017 0.08
10/29/2017 0.03
10/30/2017 0.00
10/31/2017 0.00
11/1/2017 0.00
11/2/2017 0.22
11/3/2017 0.06
11/4/2017 0.59
11/5/2017 0.06
11/6/2017 0.05
11/7/2017 0.00
11/8/2017 0.00
11/9/2017 0.00
11/10/2017 0.00
11/11/2017 0.00
11/12/2017 0.00
11/13/2017 0.12
11/14/2017 T
11/15/2017 0.35
11/16/2017 0.02
11/17/2017 0.00
11/18/2017 **
11/19/2017 **
11/20/2017 0.89
11/21/2017 T
11/22/2017 0.08
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 0.03
12/6/2017 0.00
12/7/2017 T
12/8/2017 0.00
12/9/2017 0.03
12/10/2017 0.00
12/11/2017 0.00
12/12/2017 0.06
12/13/2017 0.00
12/14/2017 0.00
12/15/2017 0.00
12/16/2017 0.00
12/17/2017 0.00
12/18/2017 0.03
12/19/2017 0.02
12/20/2017 0.00
12/21/2017 0.00
12/22/2017 0.00
12/23/2017 0.00
12/24/2017 0.11
12/25/2017 0.13
12/26/2017 0.00
12/27/2017 0.00
12/28/2017 0.00
12/29/2017 0.05
12/30/2017 0.25
12/31/2017 0.00
Day of YearDaily PrcpMultiday Prcp
1/1/2018 0.00
1/2/2018 0.00
1/3/2018 0.01
1/4/2018 0.00
1/5/2018 0.00
1/6/2018 0.00
1/7/2018 0.00
1/8/2018 0.09
1/9/2018 0.00
1/10/2018 T
1/11/2018 0.21
1/12/2018 0.15
1/13/2018 0.00
1/14/2018 0.00
1/15/2018 0.20
1/16/2018 0.06
1/17/2018 0.00
1/18/2018 0.00
1/19/2018 0.00
1/20/2018 0.00
1/21/2018 0.00
1/22/2018 1.00
1/23/2018 0.12
1/24/2018 0.03
1/25/2018 0.00
1/26/2018 0.00
1/27/2018 0.00
1/28/2018 0.00
1/29/2018 T
1/30/2018 0.00
1/31/2018 0.00
2/1/2018
2/2/2018 0.00
2/3/2018 0.00
2/4/2018 0.07
2/5/2018 0.07
2/6/2018 0.26
2/7/2018 0.16
2/8/2018 T
2/9/2018 0.90
2/10/2018 0.12
2/11/2018 0.36
2/12/2018 0.00
2/13/2018 0.00
2/14/2018
2/15/2018 0.00
2/16/2018 0.00
2/17/2018 0.00
2/18/2018 0.11
2/19/2018 0.10
2/20/2018 1.79
2/21/2018 1.06
2/22/2018 0.00
2/23/2018 0.11
2/24/2018 0.00
2/25/2018 0.12
2/26/2018 0.00
2/27/2018 0.00
2/28/2018 0.00
3/1/2018 0.69
3/2/2018 0.00
3/3/2018 0.00
3/4/2018 0.00
3/5/2018 0.00
3/6/2018 0.28
3/7/2018 0.10
3/8/2018 0.00
3/9/2018 0.00
3/10/2018 0.00
3/11/2018 0.00
3/12/2018 0.00
3/13/2018 0.00
3/14/2018 0.08
3/15/2018 0.00
3/16/2018 0.00
3/17/2018 0.37
3/18/2018 0.00
3/19/2018 0.00
3/20/2018 0.00
3/21/2018 0.00
3/22/2018 0.00
3/23/2018 0.00
3/24/2018 0.00
3/25/2018 0.00
3/26/2018 0.00
3/27/2018 0.69
3/28/2018 0.00
3/29/2018 0.10
3/30/2018 0.00
3/31/2018 0.07
Day of YearDaily PrcpMultiday Prcp
4/1/2018 0.00
4/2/2018 0.00
4/3/2018 T
4/4/2018 0.15
4/5/2018 0.00
4/6/2018 0.11
4/7/2018 0.00
4/8/2018 0.00
4/9/2018 0.12
4/10/2018 T
4/11/2018 0.00
4/12/2018 0.02
4/13/2018 0.00
4/14/2018 0.56
4/15/2018 0.83
4/16/2018 0.08
4/17/2018 0.00
4/18/2018 0.00
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 0.16
4/29/2018 0.00
4/30/2018 0.00
5/1/2018 0.00
5/2/2018 0.00
5/3/2018 0.89
5/4/2018 0.01
5/5/2018 0.00
5/6/2018 0.00
5/7/2018 0.00
5/8/2018 0.00
5/9/2018 0.21
5/10/2018 0.05
5/11/2018 0.13
5/12/2018 0.33
5/13/2018 0.20
5/14/2018 0.09
5/15/2018 0.20
5/16/2018 0.00
5/17/2018 0.00
5/18/2018 0.00
5/19/2018 0.16
5/20/2018 0.02
5/21/2018 0.79
5/22/2018 0.60
5/23/2018 0.00
5/24/2018 0.00
5/25/2018 0.00
5/26/2018 0.05
5/27/2018 0.00
5/28/2018 0.00
5/29/2018 0.00
5/30/2018 0.00
5/31/2018 0.82
6/1/2018 0.00
6/2/2018 0.00
6/3/2018 0.00
6/4/2018 0.00
6/5/2018 0.00
6/6/2018 0.00
6/7/2018 0.08
6/8/2018 0.18
6/9/2018 1.19
6/10/2018 0.66
6/11/2018 0.24
6/12/2018 0.02
6/13/2018 0.00
6/14/2018 0.00
6/15/2018 0.00
6/16/2018 0.03
6/17/2018 0.00
6/18/2018 0.05
6/19/2018 0.49
6/20/2018 0.06
6/21/2018 1.08
6/22/2018 2.59
6/23/2018 0.05
6/24/2018 0.00
6/25/2018 0.00
6/26/2018 0.00
6/27/2018 1.05
6/28/2018 0.00
6/29/2018 0.00
6/30/2018 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2018 0.00
7/2/2018 0.09
7/3/2018 0.00
7/4/2018 0.00
7/5/2018 0.06
7/6/2018 0.05
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 0.33
7/15/2018 0.02
7/16/2018 0.00
7/17/2018 0.00
7/18/2018 0.00
7/19/2018 0.00
7/20/2018 0.04
7/21/2018 0.73
7/22/2018 0.14
7/23/2018 0.00
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 0.00
7/30/2018 0.00
7/31/2018 0.00
8/1/2018 0.00
8/2/2018 0.07
8/3/2018 0.00
8/4/2018 0.00
8/5/2018 0.04
8/6/2018 0.18
8/7/2018 0.08
8/8/2018 0.03
8/9/2018 0.00
8/10/2018 0.08
8/11/2018 0.00
8/12/2018 0.39
8/13/2018 0.00
8/14/2018 0.00
8/15/2018 0.00
8/16/2018 0.24
8/17/2018 0.39
8/18/2018 0.99
8/19/2018 0.00
8/20/2018 0.00
8/21/2018 1.27
8/22/2018 0.23
8/23/2018 0.00
8/24/2018 0.00
8/25/2018 0.16
8/26/2018 0.00
8/27/2018 0.00
8/28/2018 0.00
8/29/2018 1.49
8/30/2018 0.02
8/31/2018 0.00
9/1/2018 0.05
9/2/2018 0.10
9/3/2018 0.10
9/4/2018 1.31
9/5/2018 0.00
9/6/2018 0.65
9/7/2018 0.11
9/8/2018 0.23
9/9/2018
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 0.00
9/20/2018 T
9/21/2018 0.00
9/22/2018 0.00
9/23/2018 0.00
9/24/2018 0.00
9/25/2018 0.00
9/26/2018 0.08
9/27/2018 0.00
9/28/2018 **
9/29/2018 **
9/30/2018 **



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2017 9:00 AM 0.00 0.0 M M M
10/2/2017 9:00 AM 0.00 0.0 M M M
10/3/2017 9:00 AM 0.00 0.0 M M M
10/4/2017 9:00 AM 0.00 0.0 M M M
10/5/2017 9:00 AM 0.14 M M M M
10/6/2017 9:00 AM 0.29 M M M M
10/7/2017 9:00 AM 0.18 M M M M
10/8/2017 9:00 AM 0.43 M M M M
10/10/2017 9:00 AM 0.00 0.0 M M M
10/11/2017 9:00 AM 1.51 M M M M
10/12/2017 9:00 AM 0.11 M M M M
10/13/2017 9:00 AM 0.00 0.0 M M M
10/14/2017 10:30 AM 2.94 M M M M
10/15/2017 9:00 AM 4.36 M M M M
10/16/2017 9:00 AM 0.00 0.0 M M M
10/17/2017 9:00 AM 0.00 0.0 M M M
10/18/2017 9:00 AM 0.00 0.0 M M M
10/19/2017 9:00 AM 0.00 0.0 M M M
10/20/2017 9:00 AM 0.00 0.0 M M M
10/21/2017 9:00 AM 0.00 0.0 M M M
10/22/2017 9:00 AM 0.00 0.0 M M M
10/23/2017 9:00 AM 0.83 M M M M
10/24/2017 9:00 AM 0.62 M M M M
10/25/2017 9:00 AM 0.52 0.0 M M M
10/26/2017 9:00 AM 0.00 0.0 M M M
10/27/2017 9:00 AM 0.00 0.0 M M M
10/28/2017 9:00 AM 0.08 M M M M
10/29/2017 9:00 AM 0.03 M M M M
10/30/2017 9:00 AM 0.00 0.0 M M M
10/31/2017 9:00 AM 0.00 0.0 M M M
11/1/2017 9:00 AM 0.00 0.0 M M M
11/2/2017 9:00 AM 0.22 M M M M
11/3/2017 9:00 AM 0.06 M M M M
11/4/2017 11:00 AM 0.59 M M M M
11/5/2017 11:00 AM 0.06 M M M M
11/6/2017 6:00 AM 0.05 M M M M
11/7/2017 9:00 AM 0.00 0.0 M M M
11/8/2017 9:00 AM 0.00 0.0 M M M
11/9/2017 9:00 AM 0.00 0.0 M M M
11/10/2017 9:00 AM 0.00 0.0 M M M
11/11/2017 9:00 AM 0.00 0.0 M M M
11/12/2017 9:00 AM 0.00 0.0 M M M
11/13/2017 9:00 AM 0.12 M M M M
11/14/2017 9:00 AM T M M M M
11/15/2017 9:00 AM 0.35 M M M M
11/16/2017 7:00 AM 0.02 M M M M
11/17/2017 9:00 AM 0.00 0.0 M M M
11/21/2017 9:00 AM T M M M M
11/22/2017 9:00 AM 0.08 0.0 M M M
11/23/2017 9:00 AM 0.00 0.0 M M M
11/24/2017 9:00 AM 0.00 0.0 M M M
11/25/2017 9:00 AM 0.00 0.0 M M M
11/26/2017 9:00 AM 0.00 0.0 M M M
11/27/2017 9:00 AM 0.00 0.0 M M M
11/28/2017 9:00 AM 0.00 0.0 M M M
11/29/2017 9:00 AM 0.00 0.0 M M M
11/30/2017 9:00 AM 0.00 0.0 M M M
12/1/2017 9:00 AM 0.00 0.0 M M M
12/2/2017 9:00 AM 0.00 0.0 M M M
12/3/2017 9:00 AM 0.00 0.0 M M M
12/4/2017 9:00 AM 0.00 0.0 M M M
12/5/2017 9:00 AM 0.03 M M M M
12/6/2017 9:00 AM 0.00 0.0 M M M
12/7/2017 9:00 AM T T T M M
12/8/2017 9:00 AM 0.00 0.0 M M M
12/9/2017 9:00 AM 0.03 0.4 0.03 M M
12/10/2017 9:00 AM 0.00 0.0 M M M
12/11/2017 9:00 AM 0.00 0.0 M M M
12/12/2017 9:00 AM 0.06 0.8 0.06 M M
12/13/2017 9:00 AM 0.00 0.0 M M M
12/14/2017 9:00 AM 0.00 0.0 M M M
12/15/2017 9:00 AM 0.00 0.0 M M M
12/16/2017 9:00 AM 0.00 0.0 M M M
12/17/2017 9:00 AM 0.00 0.0 M M M
12/18/2017 9:00 AM 0.03 M M M M
12/19/2017 9:00 AM 0.02 M M M M
12/20/2017 9:00 AM 0.00 0.0 M M M
12/21/2017 9:00 AM 0.00 0.0 M M M
12/22/2017 9:00 AM 0.00 0.0 M M M
12/23/2017 9:00 AM 0.00 0.0 M M M
12/24/2017 10:00 AM 0.11 1.2 0.10 1.2 0.10
12/25/2017 9:00 AM 0.13 1.4 0.15 2.0 M
12/26/2017 9:00 AM 0.00 0.0 M M M
12/27/2017 9:00 AM 0.00 0.0 M M M
12/28/2017 9:00 AM 0.00 0.0 M M M
12/29/2017 9:00 AM 0.05 1.0 0.05 M M
12/30/2017 9:00 AM 0.25 1.6 0.14 3.7 M
12/31/2017 9:00 AM 0.00 0.0 M M M
1/1/2018 9:00 AM 0.00 0.0 M M M
1/2/2018 9:00 AM 0.00 0.0 M M M
1/3/2018 9:00 AM 0.01 0.4 M 4.0 M
1/4/2018 9:00 AM 0.00 0.0 M M M
1/5/2018 9:00 AM 0.00 0.0 M M M
1/6/2018 9:00 AM 0.00 0.0 M M M
1/7/2018 11:00 AM 0.00 0.0 M 3.0 0.48
1/8/2018 9:00 AM 0.09 0.1 0.03 M M
1/9/2018 9:00 AM 0.00 0.0 M M M
1/10/2018 9:00 AM T M M M M
1/11/2018 10:00 AM 0.21 M M 0.0 M
1/12/2018 9:00 AM 0.15 0.0 M 0.0 M
1/13/2018 9:00 AM 0.00 0.0 M 0.0 M
1/14/2018 9:00 AM 0.00 0.0 M 0.0 M
1/15/2018 9:30 AM 0.20 3.4 0.25 3.5 M
1/16/2018 9:00 AM 0.06 1.6 0.09 4.0 M
1/17/2018 9:00 AM 0.00 0.0 M M M
1/18/2018 9:00 AM 0.00 0.0 M M M
1/19/2018 9:00 AM 0.00 0.0 M M M
1/20/2018 9:00 AM 0.00 0.0 M 2.0 0.35 Temp 40 F; snow is melting
1/21/2018 7:00 AM 0.00 0.0 M M M
1/22/2018 9:00 AM 1.00 0.0 M M M Thunderstorm 0500
1/23/2018 6:30 AM 0.12 0.4 0.08 0.5 M
1/24/2018 9:00 AM 0.03 0.0 M M M Freezing rain early morning. Many traffic accidents.
1/25/2018 9:00 AM 0.00 0.0 M M M
1/26/2018 9:00 AM 0.00 0.0 M M M
1/27/2018 9:00 AM 0.00 0.0 M M M
1/28/2018 9:00 AM 0.00 0.0 M M M
1/29/2018 9:00 AM T T M M M
1/30/2018 9:00 AM 0.00 0.0 M M M
1/31/2018 7:00 AM 0.00 0.0 M M M
2/2/2018 9:00 AM 0.00 0.0 M M M
2/3/2018 9:00 AM 0.00 0.0 M M M
2/4/2018 9:00 AM 0.07 1.0 0.07 M M
2/5/2018 9:00 AM 0.07 0.6 0.05 M M
2/6/2018 9:00 AM 0.26 2.8 0.26 4.0 M
2/7/2018 8:00 AM 0.16 2.0 0.18 M M
2/8/2018 9:00 AM T T M M M
2/9/2018 12:15 PM 0.90 7.5 0.85 M M
2/10/2018 2:00 PM 0.12 1.7 0.14 12.0 M
2/11/2018 10:00 AM 0.36 4.1 0.39 14.5 1.84
2/12/2018 9:00 AM 0.00 0.0 M M M
2/13/2018 9:00 AM 0.00 0.0 M M M
2/15/2018 9:00 AM 0.00 0.0 M M M
2/16/2018 9:00 AM 0.00 0.0 M M M
2/17/2018 9:00 AM 0.00 0.0 M M M
2/18/2018 9:00 AM 0.11 1.4 0.12 6.5 1.48
2/19/2018 9:00 AM 0.10 M M M M light rain, fog, area flood warnings, 41F
2/20/2018 10:00 AM 1.79 0.0 M M 0.00 Flood warning in Will and nearby counties. 61F Rainfall of 1.8" plus melting of 1.5" water content of total snow melting gives 3.4" water production.
2/21/2018 9:00 AM 1.06 0.0 M M M
2/22/2018 9:00 AM 0.00 0.0 M M M
2/23/2018 9:00 AM 0.11 M M M M
2/24/2018 9:00 AM 0.00 0.0 M M M
2/25/2018 9:00 AM 0.12 M M M M
2/26/2018 9:00 AM 0.00 0.0 M M M
2/27/2018 9:00 AM 0.00 0.0 M M M
2/28/2018 9:00 AM 0.00 0.0 M M M
3/1/2018 9:00 AM 0.69 0.0 M M M
3/2/2018 9:00 AM 0.00 0.0 M M M //Observer contacted and he confirms the Total Precipitation amount of 0.00 inches is correct. OST 3/02/18 @10:32 AM - DE
3/3/2018 9:00 AM 0.00 0.0 M M M
3/4/2018 9:00 AM 0.00 0.0 M M M
3/5/2018 9:00 AM 0.00 0.0 M M M
3/6/2018 9:00 AM 0.28 0.8 0.15 M M
3/7/2018 9:00 AM 0.10 M M M M
3/8/2018 9:00 AM 0.00 0.0 M M M
3/9/2018 9:00 AM 0.00 0.0 M M M
3/10/2018 9:00 AM 0.00 0.0 M M M
3/11/2018 9:00 AM 0.00 0.0 M M M
3/12/2018 9:00 AM 0.00 0.0 M M M
3/13/2018 9:00 AM 0.00 0.0 M M M
3/14/2018 9:00 AM 0.08 0.4 0.05 M M
3/15/2018 9:00 AM 0.00 0.0 M M M
3/16/2018 9:00 AM 0.00 0.0 M M M
3/17/2018 9:00 AM 0.37 0.2 0.14 M M Mix of rain, sleet, snow. Snow among grass at 0900. Snow tube coated in ice.
3/18/2018 9:00 AM 0.00 0.0 M M M
3/19/2018 9:00 AM 0.00 0.0 M M M
3/20/2018 9:00 AM 0.00 0.0 M M M
3/21/2018 9:00 AM 0.00 0.0 M M M
3/22/2018 9:00 AM 0.00 0.0 M M M
3/23/2018 9:00 AM 0.00 0.0 M M M
3/24/2018 7:00 AM 0.00 0.0 M M M
3/25/2018 9:00 AM 0.00 0.0 M M M
3/26/2018 9:00 AM 0.00 0.0 M M M
3/27/2018 9:00 AM 0.69 M M M M
3/28/2018 9:00 AM 0.00 0.0 M M M
3/29/2018 10:00 AM 0.10 M M M M
3/30/2018 9:00 AM 0.00 0.0 M M M
3/31/2018 10:00 AM 0.07 M M M M
4/1/2018 9:00 AM 0.00 0.0 M M M
4/2/2018 9:00 AM 0.00 0.0 M M M
4/3/2018 9:00 AM T M M M M
4/4/2018 9:00 AM 0.15 T M M M Light rain then snow dusting overnight. Rain tube frozen.
4/5/2018 9:00 AM 0.00 0.0 M M M
4/6/2018 9:00 AM 0.11 0.2 M M M 35F Snowboard had 0.24", scattered snow in grass, pavement bare.
4/7/2018 7:00 AM 0.00 0.0 M M M Temp 7 am: 18 degrees. Where is Spring??
4/8/2018 9:00 AM 0.00 0.0 M M M
4/9/2018 9:00 AM 0.12 2.2 0.13 M M 33F at 0900. Streets bare and wet. Snow on grass gone by noon.
4/10/2018 9:00 AM T M M M M
4/11/2018 9:00 AM 0.00 0.0 M M M
4/12/2018 9:00 AM 0.02 M M M M
4/13/2018 9:00 AM 0.00 0.0 M M M
4/14/2018 11:00 AM 0.56 M M M M
4/15/2018 10:30 AM 0.83 M M M M
4/16/2018 9:30 AM 0.08 0.6 0.08 M M 27F light snow continues at 0930
4/17/2018 9:00 AM 0.00 0.0 M M M
4/18/2018 9:00 AM 0.00 0.0 M M M
4/29/2018 9:00 AM 0.00 0.0 M M M
4/30/2018 9:00 AM 0.00 0.0 M M M Lack of precipitation, increased winds and humidity of 15-25 % lead NWS to issue an extreme fire risk for northern Illinois.
5/1/2018 9:00 AM 0.00 0.0 M M M
5/2/2018 9:00 AM 0.00 0.0 M M M
5/3/2018 9:00 AM 0.89 M M M M
5/4/2018 9:00 AM 0.01 M M M M
5/5/2018 9:00 AM 0.00 0.0 M M M
5/6/2018 9:00 AM 0.00 0.0 M M M
5/7/2018 9:00 AM 0.00 0.0 M M M
5/8/2018 9:00 AM 0.00 0.0 M M M
5/9/2018 9:00 AM 0.21 M M M M Rain 0700 5/9/2018
5/10/2018 9:00 AM 0.05 M M M M
5/11/2018 9:00 AM 0.13 M M M M
5/12/2018 9:00 AM 0.33 M M M M Thunderstorm, rain about 0700
5/13/2018 9:00 AM 0.20 M M M M
5/14/2018 10:00 AM 0.09 M M M M
5/15/2018 9:00 AM 0.20 M M M M
5/16/2018 9:00 AM 0.00 0.0 M M M
5/17/2018 9:00 AM 0.00 0.0 M M M
5/18/2018 9:00 AM 0.00 0.0 M M M
5/19/2018 6:00 AM 0.16 M M M M
5/20/2018 9:00 AM 0.02 M M M M
5/21/2018 9:45 AM 0.79 M M M M
5/22/2018 7:00 AM 0.60 M M M M
5/23/2018 9:00 AM 0.00 0.0 M M M
5/24/2018 9:00 AM 0.00 0.0 M M M
5/25/2018 9:00 AM 0.00 0.0 M M M
5/26/2018 9:00 AM 0.05 M M M M
5/27/2018 9:00 AM 0.00 0.0 M M M
5/28/2018 9:00 AM 0.00 0.0 M M M
5/29/2018 9:00 AM 0.00 0.0 M M M
5/30/2018 9:00 AM 0.00 0.0 M M M
5/31/2018 9:00 AM 0.82 M M M M Monthly total= 4.55 inches NWS Chicago reports 8.1 inches for May; an all time record. May temp was 3rd highest
6/1/2018 9:00 AM 0.00 0.0 M M M
6/2/2018 7:00 AM 0.00 0.0 M M M
6/3/2018 9:00 AM 0.00 0.0 M M M
6/4/2018 9:00 AM 0.00 0.0 M M M
6/5/2018 9:00 AM 0.00 0.0 M M M
6/6/2018 9:00 AM 0.00 0.0 M M M
6/7/2018 9:00 AM 0.08 M M M M
6/8/2018 10:00 AM 0.18 M M M M
6/9/2018 11:00 AM 1.19 M M M M
6/10/2018 10:30 AM 0.66 M M M M
6/11/2018 9:00 AM 0.24 M M M M
6/12/2018 9:00 AM 0.02 M M M M
6/13/2018 9:00 AM 0.00 0.0 M M M
6/14/2018 9:00 AM 0.00 0.0 M M M
6/15/2018 9:00 AM 0.00 0.0 M M M
6/16/2018 9:00 AM 0.03 0.0 M M M
6/17/2018 9:00 AM 0.00 0.0 M M M
6/18/2018 9:00 AM 0.05 0.0 M M M
6/19/2018 9:00 AM 0.49 M M M M
6/20/2018 9:00 AM 0.06 M M M M
6/21/2018 6:00 AM 1.08 M M M M
6/22/2018 11:00 AM 2.59 M M M M Wow! 35,180 gallons on our 1/2 acre.
6/23/2018 7:00 AM 0.05 M M M M
6/24/2018 9:00 AM 0.00 0.0 M M M
6/25/2018 9:00 AM 0.00 0.0 M M M
6/26/2018 6:00 AM 0.00 0.0 M M M
6/27/2018 9:00 AM 1.05 M M M M
6/28/2018 9:00 AM 0.00 0.0 M M M
6/29/2018 9:00 AM 0.00 0.0 M M M
6/30/2018 9:00 AM 0.00 0.0 M M M
7/1/2018 9:00 AM 0.00 0.0 M M M
7/2/2018 9:00 AM 0.09 M M M M Four Japanese beetles in the rain gauge.
7/3/2018 9:00 AM 0.00 0.0 M M M
7/4/2018 9:00 AM 0.00 0.0 M M M Fourteen Japanese beetles and one earwig in the gauge.
7/5/2018 9:00 AM 0.06 M M M M
7/6/2018 9:00 AM 0.05 M M M M
7/7/2018 9:00 AM 0.00 0.0 M M M
7/8/2018 7:00 AM 0.00 0.0 M M M
7/9/2018 9:00 AM 0.00 0.0 M M M
7/10/2018 9:00 AM 0.00 0.0 M M M
7/11/2018 9:00 AM 0.00 0.0 M M M
7/12/2018 9:00 AM 0.00 0.0 M M M
7/13/2018 9:00 AM 0.00 0.0 M M M
7/14/2018 9:00 AM 0.33 M M M M
7/15/2018 9:00 AM 0.02 0.0 M M M
7/16/2018 9:00 AM 0.00 0.0 M M M
7/17/2018 9:00 AM 0.00 0.0 M M M
7/18/2018 8:00 AM 0.00 0.0 M M M
7/19/2018 9:00 AM 0.00 0.0 M M M
7/20/2018 9:00 AM 0.04 M M M M
7/21/2018 7:00 AM 0.73 M M M M
7/22/2018 10:00 AM 0.14 M M M M
7/23/2018 9:00 AM 0.00 0.0 M M M
7/24/2018 9:00 AM 0.00 0.0 M M M
7/25/2018 8:00 AM 0.00 0.0 M M M
7/26/2018 9:00 AM 0.00 0.0 M M M
7/27/2018 9:00 AM 0.00 0.0 M M M
7/29/2018 9:00 AM 0.00 0.0 M M M
7/30/2018 9:00 AM 0.00 0.0 M M M
7/31/2018 9:00 AM 0.00 0.0 M M M
8/1/2018 9:00 AM 0.00 0.0 M M M
8/2/2018 9:00 AM 0.07 M M M M
8/3/2018 9:00 AM 0.00 0.0 M M M
8/4/2018 9:00 AM 0.00 0.0 M M M
8/5/2018 9:00 AM 0.04 M M M M
8/6/2018 9:30 AM 0.18 M M M M
8/7/2018 9:00 AM 0.08 M M M M
8/8/2018 9:00 AM 0.03 M M M M
8/9/2018 9:00 AM 0.00 0.0 M M M
8/10/2018 9:00 AM 0.08 M M M M
8/11/2018 9:00 AM 0.00 0.0 M M M
8/12/2018 9:00 AM 0.39 M M M M
8/13/2018 9:00 AM 0.00 0.0 M M M
8/14/2018 9:00 AM 0.00 0.0 M M M
8/15/2018 9:00 AM 0.00 0.0 M M M
8/16/2018 9:00 AM 0.24 M M M M
8/17/2018 9:00 AM 0.39 M M M M
8/18/2018 9:00 AM 0.99 M M M M
8/19/2018 9:00 AM 0.00 0.0 M M M
8/20/2018 9:00 AM 0.00 0.0 M M M
8/21/2018 9:00 AM 1.27 M M M M
8/22/2018 9:00 AM 0.23 M M M M
8/23/2018 9:00 AM 0.00 0.0 M M M
8/24/2018 9:00 AM 0.00 0.0 M M M
8/25/2018 9:00 AM 0.16 M M M M
8/26/2018 9:00 AM 0.00 0.0 M M M
8/27/2018 9:00 AM 0.00 0.0 M M M
8/28/2018 9:00 AM 0.00 0.0 M M M
8/29/2018 8:00 AM 1.49 M M M M
8/30/2018 9:00 AM 0.02 M M M M
8/31/2018 9:00 AM 0.00 0.0 M M M
9/1/2018 8:00 AM 0.05 M M M M
9/2/2018 9:00 AM 0.10 M M M M
9/3/2018 9:00 AM 0.10 M M M M
9/4/2018 9:00 AM 1.31 M M M M
9/5/2018 9:00 AM 0.00 0.0 M M M
9/6/2018 9:30 AM 0.65 M M M M
9/7/2018 10:30 AM 0.11 M M M M
9/8/2018 10:00 AM 0.23 M M M M
9/10/2018 9:00 AM 0.00 0.0 M M M
9/11/2018 9:00 AM 0.00 0.0 M M M
9/12/2018 9:00 AM 0.00 0.0 M M M
9/13/2018 9:00 AM 0.00 0.0 M M M
9/14/2018 9:00 AM 0.00 0.0 M M M
9/15/2018 9:00 AM 0.00 0.0 M M M
9/16/2018 9:00 AM 0.00 0.0 M M M
9/17/2018 9:00 AM 0.00 0.0 M M M
9/18/2018 9:00 AM 0.00 0.0 M M M
9/19/2018 9:00 AM 0.00 0.0 M M M
9/20/2018 9:00 AM T M M M M
9/21/2018 9:00 AM 0.00 0.0 M M M
9/22/2018 9:00 AM 0.00 0.0 M M M
9/23/2018 9:00 AM 0.00 0.0 M M M
9/24/2018 9:00 AM 0.00 0.0 M M M
9/25/2018 9:00 AM 0.00 0.0 M M M
9/26/2018 9:00 AM 0.08 M M M M
9/27/2018 6:00 AM 0.00 0.0 M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
11/18/2017 11/20/2017 8:00 AM 3 0.89 M M
4/19/2018 4/28/2018 3:00 PM 10 0.16 M M
9/28/2018 10/01/2018 9:00 AM 4 0.08 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