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 18 2.95 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Nov 18 2.96 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Dec 18 2.10 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Jan 19 1.63 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Feb 19 1.58 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
March 19 2.18 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 19 3.39 5.17 28 3.27 23 1.90 5 2 13 5 0.0 0 0
May 19 4.01 9.93 30 5.61 10 4.32 20 5 9 0 0.0 0 0
June 19 3.96 2.56 29 0.00 0 2.56 29 8 0 0 0.0 0 0
July 19 3.72 4.13 31 3.03 7 1.10 24 6 2 2 0.0 0 0
Aug 19 4.40 2.31 31 1.07 11 1.24 20 5 5 0 0.0 0 0
Sept 19 3.32 7.46 30 1.76 10 5.70 20 7 4 2 0.0 0 0
Water Year Totals: 36.20" 31.56" 179 days 14.74" 61 16.82" 118 days 33 33 days 9 days 0.0" 0 days 0 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
10/2/2018
10/3/2018
10/4/2018
10/5/2018
10/6/2018
10/7/2018
10/8/2018
10/9/2018
10/10/2018
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
10/25/2018
10/26/2018
10/27/2018
10/28/2018
10/29/2018
10/30/2018
10/31/2018
11/1/2018
11/2/2018
11/3/2018
11/4/2018
11/5/2018
11/6/2018
11/7/2018
11/8/2018
11/9/2018
11/10/2018
11/11/2018
11/12/2018
11/13/2018
11/14/2018
11/15/2018
11/16/2018
11/17/2018
11/18/2018
11/19/2018
11/20/2018
11/21/2018
11/22/2018
11/23/2018
11/24/2018
11/25/2018
11/26/2018
11/27/2018
11/28/2018
11/29/2018
11/30/2018
12/1/2018
12/2/2018
12/3/2018
12/4/2018
12/5/2018
12/6/2018
12/7/2018
12/8/2018
12/9/2018
12/10/2018
12/11/2018
12/12/2018
12/13/2018
12/14/2018
12/15/2018
12/16/2018
12/17/2018
12/18/2018
12/19/2018
12/20/2018
12/21/2018
12/22/2018
12/23/2018
12/24/2018
12/25/2018
12/26/2018
12/27/2018
12/28/2018
12/29/2018
12/30/2018
12/31/2018
Day of YearDaily PrcpMultiday Prcp
1/1/2019
1/2/2019
1/3/2019
1/4/2019
1/5/2019
1/6/2019
1/7/2019
1/8/2019
1/9/2019
1/10/2019
1/11/2019
1/12/2019
1/13/2019
1/14/2019
1/15/2019
1/16/2019
1/17/2019
1/18/2019
1/19/2019
1/20/2019
1/21/2019
1/22/2019
1/23/2019
1/24/2019
1/25/2019
1/26/2019
1/27/2019
1/28/2019
1/29/2019
1/30/2019
1/31/2019
2/1/2019
2/2/2019
2/3/2019
2/4/2019
2/5/2019
2/6/2019
2/7/2019
2/8/2019
2/9/2019
2/10/2019
2/11/2019
2/12/2019
2/13/2019
2/14/2019
2/15/2019
2/16/2019
2/17/2019
2/18/2019
2/19/2019
2/20/2019
2/21/2019
2/22/2019
2/23/2019
2/24/2019
2/25/2019
2/26/2019
2/27/2019
2/28/2019
3/1/2019
3/2/2019
3/3/2019
3/4/2019
3/5/2019
3/6/2019
3/7/2019
3/8/2019
3/9/2019
3/10/2019
3/11/2019
3/12/2019
3/13/2019
3/14/2019
3/15/2019
3/16/2019
3/17/2019
3/18/2019
3/19/2019
3/20/2019
3/21/2019
3/22/2019
3/23/2019
3/24/2019
3/25/2019
3/26/2019
3/27/2019
3/28/2019
3/29/2019
3/30/2019
3/31/2019
Day of YearDaily PrcpMultiday Prcp
4/1/2019
4/2/2019
4/3/2019 0.00
4/4/2019 0.12
4/5/2019 0.07
4/6/2019 T
4/7/2019 0.02
4/8/2019 0.41
4/9/2019 T
4/10/2019 0.00
4/11/2019 0.12
4/12/2019 0.45
4/13/2019 0.01
4/14/2019 T
4/15/2019 0.64
4/16/2019 T
4/17/2019 0.00
4/18/2019 0.01
4/19/2019 0.03
4/20/2019 0.00
4/21/2019 **
4/22/2019 0.00 0.00
4/23/2019 0.15
4/24/2019
4/25/2019 T
4/26/2019 0.14
4/27/2019 **
4/28/2019 **
4/29/2019 1.90
4/30/2019 1.10
5/1/2019 1.85
5/2/2019 0.02
5/3/2019 0.58
5/4/2019 **
5/5/2019 **
5/6/2019 **
5/7/2019 0.47
5/8/2019 0.04
5/9/2019 1.38
5/10/2019 0.02
5/11/2019 0.00
5/12/2019 **
5/13/2019 0.11
5/14/2019 **
5/15/2019 **
5/16/2019 **
5/17/2019 **
5/18/2019 **
5/19/2019 **
5/20/2019 **
5/21/2019 **
5/22/2019 2.36
5/23/2019 0.08
5/24/2019 0.29
5/25/2019 **
5/26/2019 0.02
5/27/2019
5/28/2019 1.35
5/29/2019 **
5/30/2019 1.36
5/31/2019 **
6/1/2019 **
6/2/2019 **
6/3/2019 **
6/4/2019 0.02
6/5/2019 **
6/6/2019 **
6/7/2019 0.42
6/8/2019 **
6/9/2019 0.01
6/10/2019 **
6/11/2019 0.00
6/12/2019 **
6/13/2019 0.25
6/14/2019 **
6/15/2019 **
6/16/2019 **
6/17/2019 **
6/18/2019 **
6/19/2019 **
6/20/2019 0.34
6/21/2019 **
6/22/2019 **
6/23/2019 **
6/24/2019 0.79
6/25/2019
6/26/2019 **
6/27/2019 **
6/28/2019 0.73
6/29/2019 **
6/30/2019 **
Day of YearDaily PrcpMultiday Prcp
7/1/2019 **
7/2/2019 **
7/3/2019 **
7/4/2019 0.35
7/5/2019 **
7/6/2019 **
7/7/2019 0.02
7/8/2019 **
7/9/2019 0.00
7/10/2019 **
7/11/2019 **
7/12/2019 **
7/13/2019 **
7/14/2019 **
7/15/2019 **
7/16/2019 **
7/17/2019 0.18
7/18/2019 1.98
7/19/2019 1.05
7/20/2019 **
7/21/2019 0.55
7/22/2019 T
7/23/2019 0.00
7/24/2019 **
7/25/2019 **
7/26/2019 0.00
7/27/2019 0.00
7/28/2019 0.00
7/29/2019 T
7/30/2019 **
7/31/2019 **
8/1/2019 0.12
8/2/2019 **
8/3/2019 **
8/4/2019 **
8/5/2019 **
8/6/2019 0.10
8/7/2019 0.00
8/8/2019 0.00
8/9/2019 0.00
8/10/2019 **
8/11/2019 **
8/12/2019 **
8/13/2019 **
8/14/2019 **
8/15/2019 **
8/16/2019 **
8/17/2019 0.75
8/18/2019 0.69
8/19/2019 0.03
8/20/2019 0.00
8/21/2019 0.18
8/22/2019 0.02
8/23/2019 **
8/24/2019 0.00
8/25/2019 **
8/26/2019 0.27
8/27/2019 0.15
8/28/2019 0.00
8/29/2019 0.00
8/30/2019 **
8/31/2019 **
9/1/2019 **
9/2/2019 **
9/3/2019 0.32
9/4/2019 0.02
9/5/2019 0.00
9/6/2019 **
9/7/2019 **
9/8/2019 **
9/9/2019 **
9/10/2019 **
9/11/2019 **
9/12/2019 0.18
9/13/2019 **
9/14/2019 1.44
9/15/2019 **
9/16/2019 0.47
9/17/2019 **
9/18/2019 0.00
9/19/2019 **
9/20/2019 0.01
9/21/2019 0.00
9/22/2019 0.58
9/23/2019 1.13
9/24/2019 0.00
9/25/2019 T
9/26/2019 T
9/27/2019 0.00
9/28/2019 **
9/29/2019 3.28
9/30/2019 0.03



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
4/3/2019 7:00 AM 0.00 0.0 M M M
4/4/2019 7:00 AM 0.12 M M M M
4/5/2019 7:00 AM 0.07 M M M M
4/6/2019 8:00 AM T M M M M Observed a trace of precipitation with small puddles on deck and asphalt.
4/7/2019 9:30 AM 0.02 M M M M
4/8/2019 7:40 AM 0.41 M M M M
4/9/2019 8:30 AM T M M M M
4/10/2019 7:00 AM 0.00 0.0 M M M
4/11/2019 7:00 AM 0.12 M M M M
4/12/2019 6:45 AM 0.45 M M M M
4/13/2019 7:30 AM 0.01 M M M M
4/14/2019 7:00 AM T M M M M Slight sprinkling on the ground and light dusting of snow on the ground at this time.
4/15/2019 8:30 AM 0.64 M M M 0.64 First time measuring snowfall form what fell in the gauge. Measured snowdepth at 1:00 p.m. yesterday and it was 4-1/2". But as afternoon wore on, snow depth did not increase and in fact shrank due to warmer temps even though it was still snowing until about 8:15 pm.
4/16/2019 6:35 AM T M M M M
4/17/2019 6:40 AM 0.00 0.0 M M M
4/18/2019 6:50 AM 0.01 M M M M
4/19/2019 7:00 AM 0.03 M M M M
4/20/2019 7:00 AM 0.00 0.0 M M M A beautiful sunny morning!
4/22/2019 6:50 AM 0.00 0.0 M M M
4/23/2019 6:45 AM 0.15 M M M M
4/25/2019 8:00 AM T M M M M
4/26/2019 9:00 AM 0.14 M M M M
4/30/2019 7:00 AM 1.10 M M M M
5/1/2019 7:15 AM 1.85 M M M M Substantial flooding around perimeter of house continues due to rains over the last three days
5/2/2019 7:00 AM 0.02 M M M M
5/3/2019 8:45 AM 0.58 M M M M Ground is still saturated but t least the sun s out this morning with no rain forecasted for the weekend.
5/8/2019 7:05 AM 0.04 M M M M
5/9/2019 9:00 AM 1.38 M M M M Major puddling observed around the perimeter of the house with the ground once again saturated with rain.
5/10/2019 7:00 AM 0.02 M M M M
5/11/2019 8:30 AM 0.00 0.0 M M M
5/23/2019 8:00 AM 0.08 M M M M
5/24/2019 8:00 AM 0.29 M M M M
5/28/2019 7:00 AM 1.35 M M M M
7/18/2019 11:00 AM 1.98 M M M M
7/19/2019 10:00 AM 1.05 M M M M This observation was taken for precip gathered between yesterday's observation taken later than normal at 11:00 a.m.(1.98) I measured yesterday rain that fell after about about 6:30am.
7/22/2019 8:55 AM T M M M M
7/23/2019 10:30 AM 0.00 0.0 M M M
7/27/2019 9:30 AM 0.00 0.0 M M M
7/28/2019 9:15 AM 0.00 0.0 M M M
7/29/2019 8:30 AM T M M M M
8/7/2019 9:30 AM 0.00 0.0 M M M
8/8/2019 7:00 AM 0.00 0.0 M M M
8/9/2019 10:00 AM 0.00 0.0 M M M
8/18/2019 8:20 AM 0.69 M M M M Severe thunderstorm warnings this morning. Much needed rain!
8/19/2019 9:45 AM 0.03 M M M M
8/20/2019 10:45 AM 0.00 0.0 M M M
8/21/2019 10:30 AM 0.18 M M M M
8/22/2019 8:45 AM 0.02 M M M M
8/27/2019 8:00 AM 0.15 M M M M
8/28/2019 9:30 AM 0.00 0.0 M M M
8/29/2019 8:00 AM 0.00 0.0 M M M
9/4/2019 9:30 AM 0.02 M M M M
9/5/2019 8:30 AM 0.00 0.0 M M M
9/21/2019 7:00 AM 0.00 0.0 M M M
9/22/2019 8:30 AM 0.58 M M M M
9/23/2019 8:30 AM 1.13 M M M M In addition to the 0.58 inches reported on Sunday, 9/22 we have had 1.71 inches of rain over the weekend.
9/24/2019 9:30 AM 0.00 0.0 M M M
9/25/2019 9:00 AM T M M M M
9/26/2019 10:00 AM T M M M M
9/27/2019 7:00 AM 0.00 0.0 M M M
9/30/2019 7:15 AM 0.03 M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
4/21/2019 4/22/2019 6:50 AM 2 0.00 M M
4/27/2019 4/29/2019 6:45 AM 3 1.90 M M
5/4/2019 5/07/2019 9:00 AM 4 0.47 M M No precipitation on 5/4 and 5/5, but dI'd not report into daily data those dates. It did rain a bit on 5/6, so most of the multi-day precipitation was on 5/7
5/12/2019 5/13/2019 11:00 AM 2 0.11 M M
5/14/2019 5/22/2019 7:00 AM 9 2.36 M M
5/25/2019 5/26/2019 7:00 AM 2 0.02 M M
5/29/2019 5/30/2019 9:00 AM 2 1.36 M M
5/31/2019 6/04/2019 8:00 AM 5 0.02 M M
6/5/2019 6/07/2019 10:15 AM 3 0.42 M M
6/8/2019 6/09/2019 7:00 AM 2 0.01 M M
6/10/2019 6/11/2019 9:30 AM 2 0.00 M M
6/12/2019 6/13/2019 7:00 AM 2 0.25 M M
6/14/2019 6/20/2019 7:50 AM 7 0.34 M M
6/21/2019 6/24/2019 7:00 AM 4 0.79 M M
6/26/2019 6/28/2019 10:00 AM 3 0.73 M M
6/29/2019 7/04/2019 9:00 AM 6 0.35 M M
7/5/2019 7/07/2019 7:00 AM 3 0.02 M M
7/8/2019 7/09/2019 7:00 AM 2 0.00 M M
7/10/2019 7/17/2019 10:00 AM 8 0.18 M M Majority of precip came yesterday, 7/16. It has been extremely dry here the past week.
7/20/2019 7/21/2019 8:00 AM 2 0.55 M M
7/24/2019 7/26/2019 7:00 AM 3 0.00 M M
7/30/2019 8/01/2019 7:00 AM 3 0.12 M M Majority of precip occurred on January 30. We've had no rain since.
8/2/2019 8/06/2019 9:30 AM 5 0.10 M M Only precip observed on morning of 8/06.
8/10/2019 8/17/2019 8:00 AM 8 0.75 M M
8/23/2019 8/24/2019 10:00 AM 2 0.00 M M
8/25/2019 8/26/2019 9:30 AM 2 0.27 M M There was no observed precip until early morning of 8/26.
8/30/2019 9/03/2019 10:45 AM 5 0.32 M M There was no precip on 8/30. Recorded too late for entry on 9/1 was 0.16. So this morning's (9/3) rains brought an additional 0.16 for a total of 0.32 for the multi-day report of 8/30-9/3.
9/6/2019 9/12/2019 7:00 AM 7 0.18 M M Checked gauge when I returned home the evening of 9/11 and recorded 0.16 inches between then and 9/6. So only 0.02 inches fell since about 8:00 p.m. 9/11 to 7:00 am on 9/12.
9/13/2019 9/14/2019 10:00 AM 2 1.44 M M I recorded 1.44 inches after 11:00 a.m. on 9/13, too late for a daily entry. Therefore, all of the precip recorded for this multi-day report occurred on 9/13 as there was no observable precip for 9/14.
9/15/2019 9/16/2019 8:00 AM 2 0.47 M M 0.46 inches was observed around 2:00 pm on 9/15, so an additional 0.01 inches fell after that.
9/17/2019 9/18/2019 8:30 AM 2 0.00 M M
9/19/2019 9/20/2019 7:00 AM 2 0.01 M M
9/28/2019 9/29/2019 10:00 AM 2 3.28 M M I recorded 2.62 inches on 9/28, too late to record online and an additional 0.66 this morning for a total accumulation of 3.28 inches over the two days.



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
4/22/2019 9:05 PM 1/4" Pea Size 1/4" Pea Size 1/4" Pea Size Hard|Clear Ice 1 1min no damage Continuous True Same time as rain Same time as smaller hail