Station Overview Station Location
Station Number IL-DP-157 Latitude 41.937182
Station Name West Chicago 3.5 NNE Longitude -88.198848
County Du Page Elevation (ft) 773



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 2.95 3.64 31 1.58 8 2.06 23 1 2 1 0.0 0 0
Nov 19 2.96 3.50 18 0.00 1 3.50 17 3 0 0 0.0 0 0
Dec 19 2.10 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Jan 20 1.63 1.52 2 1.52 2 0.00 0 0 2 0 0.0 0 0
Feb 20 1.58 0.00 0 0.00 0 0.00 0 0 0 0 5.5 1 1
March 20 2.18 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 20 3.39 3.30 3 3.30 3 0.00 0 0 3 0 0.0 0 0
May 20 4.01 9.97 30 5.99 28 3.98 2 1 12 1 0.0 0 0
June 20 3.96 1.96 30 0.76 19 1.20 11 1 5 0 0.0 0 0
July 20 3.72 4.67 31 2.66 28 2.01 3 2 8 2 0.0 0 0
Aug 20 4.40 0.41 30 0.41 21 0.00 9 2 4 0 0.0 0 0
Sept 20 3.32 4.67 30 4.14 21 0.53 9 3 8 0 0.0 0 0
Water Year Totals: 36.20" 33.64" 205 days 20.36" 131 13.28" 74 days 13 44 days 4 days 5.5" 1 days 1 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 **
10/2/2019 **
10/3/2019 2.06
10/4/2019 T
10/5/2019 0.00
10/6/2019 0.48
10/7/2019 0.00
10/8/2019 0.00
10/9/2019 0.00
10/10/2019 0.00
10/11/2019 1.10
10/12/2019 **
10/13/2019 **
10/14/2019 **
10/15/2019 **
10/16/2019 **
10/17/2019 **
10/18/2019 **
10/19/2019 **
10/20/2019 **
10/21/2019 **
10/22/2019 **
10/23/2019 **
10/24/2019 **
10/25/2019 **
10/26/2019 **
10/27/2019 **
10/28/2019 **
10/29/2019 **
10/30/2019 **
10/31/2019 **
11/1/2019 **
11/2/2019 **
11/3/2019 **
11/4/2019 **
11/5/2019 **
11/6/2019 3.28
11/7/2019 0.00
11/8/2019 **
11/9/2019 0.00
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 0.22
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 0.07
1/11/2020 1.45
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 M
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
3/27/2020
3/28/2020
3/29/2020
3/30/2020
3/31/2020
Day of YearDaily PrcpMultiday Prcp
4/1/2020
4/2/2020
4/3/2020
4/4/2020
4/5/2020
4/6/2020
4/7/2020
4/8/2020
4/9/2020
4/10/2020
4/11/2020
4/12/2020
4/13/2020
4/14/2020
4/15/2020
4/16/2020
4/17/2020
4/18/2020
4/19/2020
4/20/2020
4/21/2020
4/22/2020
4/23/2020
4/24/2020
4/25/2020
4/26/2020
4/27/2020
4/28/2020 0.44
4/29/2020 0.89
4/30/2020 1.97
5/1/2020 0.00
5/2/2020 0.00
5/3/2020 0.00
5/4/2020 0.00
5/5/2020 0.09
5/6/2020 0.04
5/7/2020 0.00
5/8/2020 0.00
5/9/2020 0.00
5/10/2020 0.02
5/11/2020 0.19
5/12/2020 0.00
5/13/2020 0.00
5/14/2020 1.35
5/15/2020 3.63
5/16/2020 0.00
5/17/2020 **
5/18/2020 3.98
5/19/2020 0.12
5/20/2020 0.02
5/21/2020
5/22/2020 0.00
5/23/2020 0.00
5/24/2020 0.05
5/25/2020 0.33
5/26/2020 T
5/27/2020 0.00
5/28/2020 0.03
5/29/2020 0.12
5/30/2020 0.00
5/31/2020 0.00
6/1/2020 0.00
6/2/2020 0.02
6/3/2020 0.12
6/4/2020 0.02
6/5/2020 **
6/6/2020 **
6/7/2020 **
6/8/2020 **
6/9/2020 **
6/10/2020 **
6/11/2020 1.20
6/12/2020 0.00
6/13/2020 0.00
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 0.08
6/22/2020 0.00
6/23/2020 0.52
6/24/2020 0.00
6/25/2020 0.00
6/26/2020 0.00
6/27/2020 **
6/28/2020 **
6/29/2020 **
6/30/2020 **
Day of YearDaily PrcpMultiday Prcp
7/1/2020 1.82
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 0.36
7/9/2020 0.00
7/10/2020 0.77
7/11/2020 0.00
7/12/2020 0.03
7/13/2020 0.00
7/14/2020 0.00
7/15/2020 0.00
7/16/2020 0.47
7/17/2020 0.00
7/18/2020 0.00
7/19/2020 **
7/20/2020 0.19
7/21/2020 0.00
7/22/2020 0.05
7/23/2020 T
7/24/2020 0.00
7/25/2020 0.00
7/26/2020 0.00
7/27/2020 0.18
7/28/2020 T
7/29/2020 0.05
7/30/2020 0.75
7/31/2020 0.00
8/1/2020 0.00
8/2/2020 0.00
8/3/2020 0.03
8/4/2020 0.00
8/5/2020 0.00
8/6/2020 **
8/7/2020 **
8/8/2020 **
8/9/2020 **
8/10/2020 0.00
8/11/2020 0.30
8/12/2020 **
8/13/2020 **
8/14/2020 **
8/15/2020 0.00
8/16/2020 0.06
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 0.02
8/25/2020 0.00
8/26/2020 0.00
8/27/2020 0.00
8/28/2020 0.00
8/29/2020 0.00
8/30/2020
8/31/2020 0.00
9/1/2020 0.00
9/2/2020 0.47
9/3/2020 **
9/4/2020 **
9/5/2020 0.00
9/6/2020 1.06
9/7/2020 0.00
9/8/2020 1.07
9/9/2020 0.62
9/10/2020 0.03
9/11/2020 0.32
9/12/2020 **
9/13/2020 0.53
9/14/2020 **
9/15/2020 **
9/16/2020 **
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 0.55
9/29/2020 0.02
9/30/2020 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/4/2019 7:00 AM T M M M M
10/5/2019 7:00 AM 0.00 0.0 M M M
10/6/2019 9:00 AM 0.48 M M M M
10/7/2019 9:00 AM 0.00 0.0 M M M
10/8/2019 9:00 AM 0.00 0.0 M M M
10/9/2019 7:30 AM 0.00 0.0 M M M
10/10/2019 9:00 AM 0.00 0.0 M M M
10/11/2019 10:00 AM 1.10 M M M M Observed late today, but wanted to record the amount received.
11/7/2019 10:00 AM 0.00 T M T M
1/10/2020 8:00 AM 0.07 M M M M
1/11/2020 8:00 AM 1.45 M M M M Surfaces are becoming icy, but no significant buildup quite yet.
2/13/2020 7:00 AM M 5.5 M 5.5 M An additional 3.5 inches of new snow has fallen since my significant weather report at 11:30 p.m. on 2/12 at 2". WInds are consistently blowing as well with some light snow currently falling. {EDIT: Observer reported 0.00 for new precip and new snowfall. QPE data, surrounding reports, and notes of precip indicate this could be a typo. Changed report of 0.00 to NA until observer can be contacted to verify. Submission Time Before EDIT: 2/13/2020 1:50 PM CoCoSTAFF DNT}
4/28/2020 10:00 AM 0.44 M M M M
4/29/2020 10:30 AM 0.89 M M M M
4/30/2020 7:30 AM 1.97 M M M M
5/1/2020 7:00 AM 0.00 0.0 M M M
5/2/2020 7:00 AM 0.00 0.0 M M M
5/3/2020 7:00 AM 0.00 0.0 M M M
5/4/2020 7:00 AM 0.00 0.0 M M M
5/5/2020 7:00 AM 0.09 M M M M
5/6/2020 7:00 AM 0.04 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 Hard frost wilting spring flowering plants, but not so damaging for those nearer the house.
5/10/2020 7:00 AM 0.02 M M M M
5/11/2020 7:00 AM 0.19 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 10:00 AM 1.35 M M M M
5/15/2020 9:00 AM 3.63 M M M M Wow! Received 3.63 inches! Quite significant for a one day total, but apparently is the thrid May in a row to break records.
5/16/2020 7:00 AM 0.00 0.0 M M M
5/19/2020 7:00 AM 0.12 M M M M
5/20/2020 7:00 AM 0.02 M M M M
5/22/2020 7:00 AM 0.00 0.0 M M M
5/23/2020 7:00 AM 0.00 0.0 M M M
5/24/2020 7:00 AM 0.05 M M M M
5/25/2020 9:00 AM 0.33 M M M M
5/26/2020 7:00 AM T M M M M
5/27/2020 7:00 AM 0.00 0.0 M M M
5/28/2020 7:00 AM 0.03 M M M M
5/29/2020 7:00 AM 0.12 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 0.02 M M M M
6/3/2020 7:00 AM 0.12 M M M M
6/4/2020 7:00 AM 0.02 0.0 M M M
6/12/2020 7:00 AM 0.00 0.0 M M M
6/13/2020 7:00 AM 0.00 0.0 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 0.08 M M M M
6/22/2020 7:00 AM 0.00 0.0 M M M
6/23/2020 7:00 AM 0.52 M M M M
6/24/2020 7:00 AM 0.00 0.0 M M M
6/25/2020 7:00 AM 0.00 0.0 M M M
6/26/2020 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 0.36 M M M M
7/9/2020 7:00 AM 0.00 0.0 M M M
7/10/2020 7:00 AM 0.77 M M M M
7/11/2020 7:00 AM 0.00 0.0 M M M
7/12/2020 7:00 AM 0.03 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 0.47 M M M M Good to have some more rain!
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
7/21/2020 7:00 AM 0.00 0.0 M M M
7/22/2020 7:00 AM 0.05 M M M M
7/23/2020 7:00 AM T 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 0.18 M M M M
7/28/2020 7:00 AM T M M M M
7/29/2020 7:00 AM 0.05 M M M M
7/30/2020 7:00 AM 0.75 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 0.00 0.0 M M M
8/3/2020 7:00 AM 0.03 M M M M
8/4/2020 7:00 AM 0.00 0.0 M M M
8/5/2020 7:00 AM 0.00 0.0 M M M
8/11/2020 7:00 AM 0.30 M M M M Derecho with highwinds. Several small limbs and branches down, but no major damage to my property or trees observed.
8/16/2020 7:00 AM 0.06 M 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 0.02 0.0 M M M
8/25/2020 7:00 AM 0.00 0.0 M M M
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 0.00 0.0 M M M
8/29/2020 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 0.47 M M M M
9/6/2020 9:00 AM 1.06 M M M M
9/7/2020 7:00 AM 0.00 0.0 M M M
9/8/2020 9:00 AM 1.07 M M M M
9/9/2020 9:00 AM 0.62 M M M M
9/10/2020 7:00 AM 0.03 M M M M
9/11/2020 7:00 AM 0.32 M M M M Light rain is continuing.
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 0.55 M M M M
9/29/2020 7:00 AM 0.02 M M M M
9/30/2020 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
10/1/2019 10/03/2019 8:00 AM 3 2.06 M M
10/12/2019 11/06/2019 10:00 AM 26 3.28 M M Was out of town last 3 weeks so this is my catchup multi day report
11/8/2019 11/09/2019 9:00 AM 2 0.00 M M
11/10/2019 11/18/2019 7:00 AM 9 0.22 M M
5/17/2020 5/18/2020 7:00 AM 2 3.98 M M Significant rainfall over two days of nearly 4 inches of rain.Ground is saturated and flooding in and around the property line. Particularly along the back end near Smith Road.
6/5/2020 6/11/2020 7:00 AM 7 1.20 M M
6/27/2020 7/01/2020 7:00 AM 5 1.82 M M Went out of townduring these dates and saw from other reporters that precip actually was recorded on 6/27 & 6/30. So the multi-day 1.82" amount more than likely fell during those dates.
7/19/2020 7/20/2020 7:00 AM 2 0.19 M M
8/6/2020 8/10/2020 7:00 AM 5 0.00 M M Ground cracked and dry. Plants showing signs of stress.
8/12/2020 8/15/2020 7:00 AM 4 0.00 M M
9/3/2020 9/05/2020 7:00 AM 3 0.00 M M
9/12/2020 9/13/2020 7:00 AM 2 0.53 M M
9/14/2020 9/17/2020 7:00 AM 4 0.00 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