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 16 3.24 3.85 10 2.56 5 1.29 5 1 5 0 0.0 0 0
Nov 16 3.46 0.98 2 0.98 2 0.00 0 0 2 0 0.0 0 0
Dec 16 2.48 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Jan 17 1.95 0.06 5 0.06 5 0.00 0 0 2 1 0.0 0 0
Feb 17 1.77 1.47 13 1.47 13 0.00 0 0 5 0 0.1 1 0
March 17 2.45 4.93 8 4.93 8 0.00 0 0 8 0 0.0 0 0
April 17 3.66 3.11 13 3.11 13 0.00 0 0 11 1 0.0 0 0
May 17 4.36 3.92 14 3.92 14 0.00 0 0 14 0 0.0 0 0
June 17 4.38 2.14 11 2.14 11 0.00 0 0 9 2 0.0 0 0
July 17 4.27 6.88 15 6.00 9 0.88 6 1 9 0 0.0 0 0
Aug 17 3.94 1.64 8 1.64 8 0.00 0 0 7 1 0.0 0 0
Sept 17 3.21 0.95 4 0.95 4 0.00 0 0 4 0 0.0 0 0
Water Year Totals: 39.17" 29.93" 103 days 27.76" 92 2.17" 11 days 2 76 days 5 days 0.1" 1 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
10/1/2016 **
10/2/2016 **
10/3/2016 **
10/4/2016 **
10/5/2016 1.29
10/6/2016 0.34
10/7/2016 0.56
10/8/2016
10/9/2016
10/10/2016
10/11/2016
10/12/2016
10/13/2016 0.24
10/14/2016
10/15/2016
10/16/2016
10/17/2016
10/18/2016
10/19/2016
10/20/2016
10/21/2016
10/22/2016
10/23/2016
10/24/2016
10/25/2016
10/26/2016 0.34
10/27/2016 1.08
10/28/2016
10/29/2016
10/30/2016
10/31/2016
11/1/2016
11/2/2016
11/3/2016 0.94
11/4/2016
11/5/2016
11/6/2016
11/7/2016
11/8/2016 0.04
11/9/2016
11/10/2016
11/11/2016
11/12/2016
11/13/2016
11/14/2016
11/15/2016
11/16/2016
11/17/2016
11/18/2016
11/19/2016
11/20/2016
11/21/2016
11/22/2016
11/23/2016
11/24/2016
11/25/2016
11/26/2016
11/27/2016
11/28/2016
11/29/2016
11/30/2016
12/1/2016
12/2/2016
12/3/2016
12/4/2016
12/5/2016
12/6/2016
12/7/2016
12/8/2016
12/9/2016
12/10/2016
12/11/2016
12/12/2016
12/13/2016
12/14/2016
12/15/2016
12/16/2016
12/17/2016
12/18/2016
12/19/2016
12/20/2016
12/21/2016
12/22/2016
12/23/2016
12/24/2016
12/25/2016
12/26/2016
12/27/2016
12/28/2016
12/29/2016
12/30/2016
12/31/2016
Day of YearDaily PrcpMultiday Prcp
1/1/2017
1/2/2017
1/3/2017
1/4/2017
1/5/2017
1/6/2017
1/7/2017
1/8/2017
1/9/2017
1/10/2017
1/11/2017
1/12/2017
1/13/2017
1/14/2017
1/15/2017
1/16/2017
1/17/2017
1/18/2017
1/19/2017
1/20/2017
1/21/2017
1/22/2017
1/23/2017
1/24/2017
1/25/2017
1/26/2017 0.01
1/27/2017
1/28/2017 T
1/29/2017 0.00
1/30/2017 0.00
1/31/2017 0.05
2/1/2017
2/2/2017
2/3/2017
2/4/2017 0.00
2/5/2017
2/6/2017
2/7/2017 0.45
2/8/2017 0.66
2/9/2017 0.00
2/10/2017 0.00
2/11/2017 0.00
2/12/2017 0.00
2/13/2017 0.00
2/14/2017 0.00
2/15/2017 0.00
2/16/2017
2/17/2017
2/18/2017
2/19/2017
2/20/2017
2/21/2017 0.06
2/22/2017
2/23/2017
2/24/2017 0.11
2/25/2017
2/26/2017
2/27/2017
2/28/2017 0.19
3/1/2017 1.56
3/2/2017
3/3/2017
3/4/2017
3/5/2017
3/6/2017
3/7/2017 0.15
3/8/2017
3/9/2017
3/10/2017
3/11/2017
3/12/2017
3/13/2017 0.08
3/14/2017
3/15/2017
3/16/2017
3/17/2017
3/18/2017
3/19/2017
3/20/2017
3/21/2017
3/22/2017
3/23/2017
3/24/2017
3/25/2017 0.36
3/26/2017 0.31
3/27/2017 0.09
3/28/2017
3/29/2017
3/30/2017 1.49
3/31/2017 0.89
Day of YearDaily PrcpMultiday Prcp
4/1/2017 0.03
4/2/2017
4/3/2017 0.00
4/4/2017 0.37
4/5/2017 0.37
4/6/2017
4/7/2017
4/8/2017
4/9/2017
4/10/2017 0.09
4/11/2017 0.28
4/12/2017
4/13/2017 T
4/14/2017 0.14
4/15/2017 0.15
4/16/2017 0.13
4/17/2017
4/18/2017
4/19/2017
4/20/2017 0.22
4/21/2017
4/22/2017
4/23/2017
4/24/2017
4/25/2017
4/26/2017
4/27/2017 0.39
4/28/2017
4/29/2017
4/30/2017 0.94
5/1/2017 1.03
5/2/2017 0.12
5/3/2017 0.02
5/4/2017 0.11
5/5/2017
5/6/2017 0.19
5/7/2017
5/8/2017
5/9/2017 0.56
5/10/2017
5/11/2017 0.66
5/12/2017
5/13/2017
5/14/2017
5/15/2017
5/16/2017
5/17/2017
5/18/2017 0.35
5/19/2017
5/20/2017 0.11
5/21/2017
5/22/2017
5/23/2017 0.03
5/24/2017 0.43
5/25/2017 0.04
5/26/2017
5/27/2017 0.23
5/28/2017
5/29/2017
5/30/2017
5/31/2017 0.04
6/1/2017
6/2/2017
6/3/2017
6/4/2017
6/5/2017
6/6/2017
6/7/2017
6/8/2017
6/9/2017
6/10/2017 0.26
6/11/2017
6/12/2017
6/13/2017
6/14/2017 T
6/15/2017 0.27
6/16/2017 0.23
6/17/2017 0.02
6/18/2017 0.11
6/19/2017
6/20/2017
6/21/2017 0.21
6/22/2017 T
6/23/2017 0.57
6/24/2017
6/25/2017
6/26/2017
6/27/2017
6/28/2017
6/29/2017 0.06
6/30/2017 0.41
Day of YearDaily PrcpMultiday Prcp
7/1/2017 0.03
7/2/2017
7/3/2017 0.05
7/4/2017
7/5/2017 0.51
7/6/2017 **
7/7/2017 **
7/8/2017 **
7/9/2017 **
7/10/2017 **
7/11/2017 0.88
7/12/2017
7/13/2017 0.68
7/14/2017
7/15/2017
7/16/2017 0.01
7/17/2017
7/18/2017
7/19/2017
7/20/2017 0.39
7/21/2017 2.15
7/22/2017 2.11
7/23/2017 0.07
7/24/2017
7/25/2017
7/26/2017
7/27/2017
7/28/2017
7/29/2017
7/30/2017
7/31/2017
8/1/2017
8/2/2017
8/3/2017
8/4/2017 0.61
8/5/2017
8/6/2017
8/7/2017
8/8/2017
8/9/2017 T
8/10/2017
8/11/2017
8/12/2017
8/13/2017
8/14/2017
8/15/2017
8/16/2017
8/17/2017 0.06
8/18/2017 0.02
8/19/2017
8/20/2017
8/21/2017 0.04
8/22/2017 0.61
8/23/2017
8/24/2017
8/25/2017
8/26/2017
8/27/2017
8/28/2017 0.11
8/29/2017 0.19
8/30/2017
8/31/2017
9/1/2017
9/2/2017
9/3/2017 0.14
9/4/2017
9/5/2017
9/6/2017
9/7/2017
9/8/2017
9/9/2017
9/10/2017
9/11/2017
9/12/2017
9/13/2017 0.23
9/14/2017
9/15/2017
9/16/2017
9/17/2017
9/18/2017 0.05
9/19/2017 0.53
9/20/2017
9/21/2017
9/22/2017
9/23/2017
9/24/2017
9/25/2017
9/26/2017
9/27/2017
9/28/2017
9/29/2017
9/30/2017



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/6/2016 8:15 AM 0.34 M M M M
10/7/2016 7:00 AM 0.56 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.14
10/13/2016 7:00 AM 0.24 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.14
10/26/2016 7:45 AM 0.34 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.14
10/27/2016 7:00 AM 1.08 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.14
11/3/2016 7:00 AM 0.94 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.14
11/8/2016 6:59 AM 0.04 M M M M not currently raining
1/26/2017 7:00 AM 0.01 M M M M plus a dusting a snow still on the ground
1/28/2017 7:00 AM T M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
1/29/2017 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
1/30/2017 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
1/31/2017 7:00 AM 0.05 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
2/4/2017 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
2/7/2017 7:30 AM 0.45 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
2/8/2017 7:00 AM 0.66 0.1 M M M
2/9/2017 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
2/10/2017 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
2/11/2017 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
2/12/2017 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
2/13/2017 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
2/14/2017 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
2/15/2017 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
2/21/2017 7:30 AM 0.06 M M M M still raining.
2/24/2017 7:00 AM 0.11 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
2/28/2017 7:00 AM 0.19 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
3/1/2017 7:00 AM 1.56 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
3/7/2017 7:00 AM 0.15 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
3/13/2017 7:00 AM 0.08 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
3/25/2017 8:00 AM 0.36 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
3/26/2017 7:00 AM 0.31 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
3/27/2017 7:00 AM 0.09 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
3/30/2017 7:00 AM 1.49 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
3/31/2017 7:00 AM 0.89 M M M M most of this approx .86 of this fell before 4:30 pm
4/1/2017 7:00 AM 0.03 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
4/3/2017 7:00 AM 0.00 M M M M no rain yet.
4/4/2017 6:30 AM 0.37 M M M M not raining now.
4/5/2017 8:15 AM 0.37 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
4/10/2017 7:30 AM 0.09 M M M M heavy rains have passed, light rain falling now.
4/11/2017 7:00 AM 0.28 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
4/13/2017 7:00 AM T M M M M just started drizzling a few minutes ago
4/14/2017 7:00 AM 0.14 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
4/15/2017 7:00 AM 0.15 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
4/16/2017 7:00 AM 0.13 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
4/20/2017 7:00 AM 0.22 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
4/27/2017 7:00 AM 0.39 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
4/30/2017 7:00 AM 0.94 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
5/1/2017 7:00 AM 1.03 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
5/2/2017 7:00 AM 0.12 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
5/3/2017 7:00 AM 0.02 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
5/4/2017 8:00 AM 0.11 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
5/6/2017 7:00 AM 0.19 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
5/9/2017 7:00 AM 0.56 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
5/11/2017 7:00 AM 0.66 M M M M not raining now
5/18/2017 7:00 AM 0.35 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
5/20/2017 7:00 AM 0.11 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
5/23/2017 7:00 AM 0.03 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
5/24/2017 7:00 AM 0.43 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
5/25/2017 7:00 AM 0.04 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
5/27/2017 7:00 AM 0.23 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
5/31/2017 7:00 AM 0.04 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
6/10/2017 7:00 AM 0.26 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
6/14/2017 7:00 AM T M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
6/15/2017 7:49 AM 0.27 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
6/16/2017 7:45 AM 0.23 M M M M currently light rain is falling
6/17/2017 7:00 AM 0.02 M M M M this is what fell yesterday morning after 7:00am
6/18/2017 7:00 AM 0.11 M M M M still very dry here :(
6/21/2017 7:00 AM 0.21 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
6/22/2017 7:00 AM T M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
6/23/2017 8:00 AM 0.57 M M M M the rain has stopped here
6/29/2017 7:00 AM 0.06 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
6/30/2017 7:00 AM 0.41 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
7/1/2017 7:00 AM 0.03 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
7/3/2017 7:00 AM 0.05 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
7/5/2017 7:00 AM 0.51 M M M M all fell in a 30 minute period yesterday afternoon.
7/13/2017 7:00 AM 0.68 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
7/16/2017 7:00 AM 0.01 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
7/20/2017 6:10 AM 0.39 M M M M not currently raining. all rain from last night.
7/21/2017 7:00 AM 2.15 M M M M .64 fell yesterday morning, 1.51 fell overnight
7/22/2017 7:30 AM 2.11 M M M M still raining steadily.
7/23/2017 7:00 AM 0.07 M M M M .05 fell yesterday morning, .02 fell overnight
8/4/2017 7:00 AM 0.61 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
8/9/2017 7:00 AM T M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
8/17/2017 6:00 AM 0.06 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
8/18/2017 7:00 AM 0.02 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
8/21/2017 7:00 AM 0.04 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
8/22/2017 7:00 AM 0.61 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
8/28/2017 7:00 AM 0.11 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
8/29/2017 7:00 AM 0.19 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
9/3/2017 7:00 AM 0.14 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
9/13/2017 7:30 AM 0.23 M M M M Submitted via CoCoRaHS Observer for Android version 2.1.0 (build 21001)
9/18/2017 7:00 AM 0.05 M M M M
9/19/2017 7:00 AM 0.53 M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
9/30/2016 10/05/2016 7:00 PM 6 1.29 M M
7/6/2017 7/11/2017 8:16 PM 6 0.88 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