Station Overview Station Location
Station Number IL-CK-69 Latitude 41.4928
Station Name Park Forest 0.8 NNE Longitude -87.681489
County Cook Elevation (ft) 722



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 3.24 2.93 9 1.91 6 1.02 3 1 5 0 0.0 0 0
Nov 18 3.46 1.35 7 1.35 7 0.00 0 0 2 2 2.9 1 0
Dec 18 2.48 2.31 13 2.31 10 0.00 3 1 7 1 0.1 1 0
Jan 19 1.95 0.71 18 0.71 6 0.00 12 0 4 1 10.3 3 0
Feb 19 1.77 3.12 22 1.41 6 1.71 16 2 4 2 0.0 0 0
March 19 2.45 1.87 9 1.87 9 0.00 0 0 8 0 1.7 1 0
April 19 3.66 4.14 11 4.14 11 0.00 0 0 10 1 2.3 1 0
May 19 4.36 7.88 22 7.88 15 0.00 7 1 14 0 0.0 0 0
June 19 4.38 7.43 17 6.85 13 0.58 4 1 11 2 0.0 0 0
July 19 4.27 4.47 12 2.99 8 1.48 4 1 6 1 0.0 0 0
Aug 19 3.94 2.29 11 2.29 11 0.00 0 0 10 0 0.0 0 0
Sept 19 3.21 8.63 16 8.63 11 0.00 5 1 9 0 0.0 0 0
Water Year Totals: 39.17" 47.13" 167 days 42.34" 113 4.79" 54 days 8 90 days 10 days 17.3" 7 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 0.34
10/6/2018 0.71
10/7/2018 0.25
10/8/2018 0.44
10/9/2018
10/10/2018 0.00
10/11/2018 **
10/12/2018 **
10/13/2018 1.02
10/14/2018
10/15/2018 0.17
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 0.26
11/25/2018 T
11/26/2018 1.09
11/27/2018 T
11/28/2018 0.00
11/29/2018 0.00
11/30/2018 0.00
12/1/2018 0.12
12/2/2018 0.55
12/3/2018 0.16
12/4/2018 0.00
12/5/2018 T
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 0.61
12/15/2018
12/16/2018
12/17/2018
12/18/2018
12/19/2018
12/20/2018 0.00
12/21/2018 0.03
12/22/2018
12/23/2018
12/24/2018
12/25/2018
12/26/2018
12/27/2018 0.06
12/28/2018 0.78
12/29/2018 **
12/30/2018 **
12/31/2018 M
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 0.00
1/8/2019 0.26
1/9/2019 T
1/10/2019
1/11/2019
1/12/2019 0.01
1/13/2019 0.26
1/14/2019
1/15/2019
1/16/2019
1/17/2019
1/18/2019
1/19/2019 0.18
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 0.72
2/3/2019
2/4/2019
2/5/2019 0.17
2/6/2019 0.45
2/7/2019 0.16
2/8/2019 T
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 0.99
2/23/2019 T
2/24/2019 0.63
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 0.00
3/11/2019
3/12/2019
3/13/2019 0.19
3/14/2019 0.24
3/15/2019 0.23
3/16/2019
3/17/2019 0.06
3/18/2019
3/19/2019
3/20/2019 0.04
3/21/2019 0.26
3/22/2019
3/23/2019
3/24/2019
3/25/2019
3/26/2019
3/27/2019
3/28/2019 0.24
3/29/2019
3/30/2019 0.61
3/31/2019
Day of YearDaily PrcpMultiday Prcp
4/1/2019
4/2/2019
4/3/2019
4/4/2019 0.12
4/5/2019 0.14
4/6/2019
4/7/2019
4/8/2019
4/9/2019
4/10/2019
4/11/2019 0.05
4/12/2019 0.36
4/13/2019
4/14/2019 0.17
4/15/2019 0.44
4/16/2019
4/17/2019
4/18/2019 0.53
4/19/2019
4/20/2019
4/21/2019
4/22/2019
4/23/2019 T
4/24/2019
4/25/2019
4/26/2019
4/27/2019
4/28/2019 0.74
4/29/2019 0.64
4/30/2019 0.95
5/1/2019 1.97
5/2/2019
5/3/2019 0.42
5/4/2019
5/5/2019
5/6/2019
5/7/2019 0.11
5/8/2019 0.06
5/9/2019 0.84
5/10/2019 **
5/11/2019 **
5/12/2019 **
5/13/2019 **
5/14/2019 **
5/15/2019 **
5/16/2019 M
5/17/2019 0.00
5/18/2019
5/19/2019 0.71
5/20/2019
5/21/2019 0.39
5/22/2019 1.03
5/23/2019 0.19
5/24/2019 0.06
5/25/2019
5/26/2019 0.04
5/27/2019
5/28/2019 0.74
5/29/2019 0.93
5/30/2019 0.39
5/31/2019
6/1/2019
6/2/2019 0.33
6/3/2019
6/4/2019 T
6/5/2019 0.73
6/6/2019
6/7/2019
6/8/2019
6/9/2019
6/10/2019
6/11/2019
6/12/2019
6/13/2019 0.33
6/14/2019 0.03
6/15/2019
6/16/2019 **
6/17/2019 **
6/18/2019 **
6/19/2019 0.58
6/20/2019 0.85
6/21/2019 0.03
6/22/2019 T
6/23/2019 0.39
6/24/2019 0.22
6/25/2019 0.26
6/26/2019
6/27/2019 3.64
6/28/2019
6/29/2019 0.04
6/30/2019
Day of YearDaily PrcpMultiday Prcp
7/1/2019 0.24
7/2/2019
7/3/2019 1.07
7/4/2019
7/5/2019
7/6/2019
7/7/2019
7/8/2019
7/9/2019
7/10/2019 0.16
7/11/2019
7/12/2019
7/13/2019
7/14/2019 T
7/15/2019 **
7/16/2019 **
7/17/2019 **
7/18/2019 1.48
7/19/2019
7/20/2019
7/21/2019
7/22/2019 0.83
7/23/2019
7/24/2019 0.01
7/25/2019
7/26/2019
7/27/2019
7/28/2019
7/29/2019 0.00
7/30/2019 0.68
7/31/2019
8/1/2019
8/2/2019
8/3/2019
8/4/2019
8/5/2019
8/6/2019 0.19
8/7/2019
8/8/2019
8/9/2019
8/10/2019
8/11/2019 0.00
8/12/2019 0.03
8/13/2019 0.08
8/14/2019
8/15/2019
8/16/2019
8/17/2019 0.09
8/18/2019 0.03
8/19/2019 0.96
8/20/2019 0.09
8/21/2019 0.53
8/22/2019
8/23/2019
8/24/2019
8/25/2019
8/26/2019 0.02
8/27/2019 0.27
8/28/2019
8/29/2019
8/30/2019
8/31/2019
9/1/2019 0.03
9/2/2019
9/3/2019 0.00
9/4/2019
9/5/2019
9/6/2019
9/7/2019
9/8/2019 0.00
9/9/2019 0.13
9/10/2019 **
9/11/2019 **
9/12/2019 **
9/13/2019 **
9/14/2019 M
9/15/2019 0.79
9/16/2019 0.04
9/17/2019
9/18/2019
9/19/2019
9/20/2019
9/21/2019
9/22/2019 0.78
9/23/2019 0.57
9/24/2019
9/25/2019 0.03
9/26/2019
9/27/2019
9/28/2019 5.65
9/29/2019 0.61
9/30/2019



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/5/2018 7:00 AM 0.34 M M M M
10/6/2018 7:00 AM 0.71 M M M M not raining now.
10/7/2018 9:00 AM 0.25 M M M M
10/8/2018 7:00 AM 0.44 M M M M
10/10/2018 7:00 AM 0.00 M M M M
10/15/2018 7:00 AM 0.17 M M M M not raining now
11/24/2018 8:00 AM 0.26 M M M M not raining now.
11/25/2018 7:00 AM T M M M M
11/26/2018 7:00 AM 1.09 2.9 M M M
11/27/2018 7:00 AM T M M M M
11/28/2018 7:00 AM 0.00 M M M M
11/29/2018 7:00 AM 0.00 M M M M
11/30/2018 7:00 AM 0.00 M M M M
12/1/2018 7:45 AM 0.12 M M M M currently raining
12/2/2018 8:00 AM 0.55 M M M M
12/3/2018 7:00 AM 0.16 0.1 M M M
12/4/2018 7:00 AM 0.00 M M M M
12/5/2018 7:00 AM T T M M M
12/14/2018 8:00 AM 0.61 M M M M
12/20/2018 8:00 AM 0.00 M M M M
12/21/2018 7:00 AM 0.03 M M M M
12/27/2018 8:00 AM 0.06 M M M M
12/28/2018 6:00 AM 0.78 M M M M
1/7/2019 7:00 AM 0.00 M M M M
1/8/2019 7:00 AM 0.26 M M M M
1/9/2019 7:00 AM T M M M M around 11:30am it was mostly sunny and the was a very light rainfall.
1/12/2019 9:00 AM 0.01 0.1 M M M
1/13/2019 8:00 AM 0.26 4.7 M M M
1/19/2019 7:00 AM 0.18 5.5 M M M
2/5/2019 7:00 AM 0.17 M M M M
2/6/2019 7:00 AM 0.45 M M M M
2/7/2019 7:00 AM 0.16 M M M M
2/8/2019 7:00 AM T M M T M
2/23/2019 8:10 AM T M M M M just started raining. nothing in cylinder.
2/24/2019 7:00 AM 0.63 M M M M
3/10/2019 7:00 AM 0.00 M M M M my cylinder/stand were knocked over. n/a
3/13/2019 7:00 AM 0.19 M M M M
3/14/2019 7:00 AM 0.24 M M M M
3/15/2019 8:00 AM 0.23 M M M M light precipitation now
3/17/2019 8:15 AM 0.06 1.7 M M M still snowing
3/20/2019 7:45 AM 0.04 M M M M
3/21/2019 7:00 AM 0.26 M M M M still drizzling
3/28/2019 7:00 AM 0.24 M M M M
3/30/2019 7:30 AM 0.61 M M M M not raining right now.
4/4/2019 8:00 AM 0.12 M M M M currently drizzling
4/5/2019 7:00 AM 0.14 M M M M
4/11/2019 7:00 AM 0.05 M M M M
4/12/2019 7:00 AM 0.36 M M M M
4/14/2019 8:00 AM 0.17 M M M M snow and rain mix. currently precipitatingy
4/15/2019 7:00 AM 0.44 2.3 M M M
4/18/2019 7:00 AM 0.53 M M M M
4/23/2019 7:00 AM T M M M M
4/28/2019 7:00 AM 0.74 M M T M there was snow for about an hour or so, nothing stuck. in the evening there was sleet/freezing rain but nothing iced over.
4/29/2019 8:00 AM 0.64 M M M M
4/30/2019 8:00 AM 0.95 M M M M .84 fell yesterday morning/afternoon and .11 fell overnight. not raining right now.
5/1/2019 8:00 AM 1.97 M M M M .72 fell before 3:00, the rest evening and overnight. not raining now, but keeping life preserver handy.
5/3/2019 7:00 AM 0.42 M M M M
5/7/2019 7:00 AM 0.11 M M M M
5/8/2019 7:00 AM 0.06 M M M M
5/9/2019 7:00 AM 0.84 M M M M
5/17/2019 7:00 AM 0.00 M M M M alas, my gauge got knocked over in the afternoon storm and didn't notice until this morning. fixing today.
5/19/2019 7:00 AM 0.71 M M M M .64 fell between 2-5 yesterday afternoon. the other .07 fell overnight.
5/21/2019 7:00 AM 0.39 M M M M
5/22/2019 7:00 AM 1.03 M M M M
5/23/2019 7:00 AM 0.19 M M M M
5/24/2019 7:15 AM 0.06 M M M M
5/26/2019 8:00 AM 0.04 M M M M
5/28/2019 7:00 AM 0.74 M M M M
5/29/2019 7:00 AM 0.93 M M M M
5/30/2019 8:00 AM 0.39 M M M M
6/2/2019 7:00 AM 0.33 M M M M
6/4/2019 7:00 AM T M M M M
6/5/2019 7:30 AM 0.73 M M M M
6/13/2019 7:00 AM 0.33 M M M M
6/14/2019 7:00 AM 0.03 M M M M
6/20/2019 7:30 AM 0.85 M M M M
6/21/2019 7:00 AM 0.03 M M M M
6/22/2019 7:00 AM T M M M M
6/23/2019 8:00 AM 0.39 M M M M
6/24/2019 7:00 AM 0.22 M M M M
6/25/2019 7:00 AM 0.26 M M M M
6/27/2019 7:00 AM 3.64 M M M M
6/29/2019 7:00 AM 0.04 M M M M this rainfall fell during a brief cloudburst approx 1:30 in the afternoon. no measurable rain overnight.
7/1/2019 7:00 AM 0.24 M M M M most fell between 3-4pm. just .02" overnight.
7/3/2019 7:00 AM 1.07 M M M M
7/10/2019 7:00 AM 0.16 M M M M
7/14/2019 7:00 AM T M M M M giant raindrops fell for about 10 seconds around 8:30 pm
7/22/2019 7:00 AM 0.83 M M M M
7/24/2019 7:00 AM 0.01 M M M M brief shower at 4:15pm.
7/29/2019 7:00 AM 0.00 M M M M
7/30/2019 7:00 AM 0.68 M M M M .32 fell in the morning. the other .36 fell during the 6:00pm storm.
8/6/2019 7:00 AM 0.19 M M M M
8/11/2019 7:00 AM 0.00 M M M M
8/12/2019 7:00 AM 0.03 M M M M
8/13/2019 7:00 AM 0.08 M M M M
8/17/2019 7:00 AM 0.09 M M M M
8/18/2019 6:45 AM 0.03 M M M M not raining now
8/19/2019 6:15 AM 0.96 M M M M
8/20/2019 7:00 AM 0.09 M M M M
8/21/2019 7:00 AM 0.53 M M M M
8/26/2019 6:30 AM 0.02 M M M M
8/27/2019 7:00 AM 0.27 M M M M
9/1/2019 7:00 AM 0.03 M M M M
9/3/2019 6:30 AM 0.00 M M M M
9/8/2019 7:00 AM 0.00 M M M M
9/9/2019 7:00 AM 0.13 M M M M drizzling now
9/15/2019 9:00 AM 0.79 M M M M not raining now
9/16/2019 7:00 AM 0.04 M M M M
9/22/2019 7:00 AM 0.78 M M M M
9/23/2019 7:00 AM 0.57 M M M M
9/25/2019 7:00 AM 0.03 M M M M
9/28/2019 7:00 AM 5.65 M M M M
9/29/2019 7:30 AM 0.61 M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
10/11/2018 10/13/2018 7:00 AM 3 1.02 M M
12/29/2018 12/31/2018 11:30 AM 3 M M M
1/20/2019 2/02/2019 7:00 AM 14 0.72 7.2 M
2/9/2019 2/22/2019 1:45 PM 14 0.99 M M
5/10/2019 5/16/2019 10:00 AM 7 M M M
6/16/2019 6/19/2019 3:00 PM 4 0.58 M M
7/15/2019 7/18/2019 3:46 PM 4 1.48 M M
9/10/2019 9/14/2019 7:45 PM 5 M 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