Station Overview Station Location
Station Number IL-CK-277 Latitude 41.599109
Station Name Oak Forest 0.6 SSE Longitude -87.747509
County Cook Elevation (ft) 663



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 15 3.15 0.00 1 0.00 1 0.00 0 0 0 0 0.0 0 0
Nov 15 3.40 1.31 1 1.31 1 0.00 0 0 1 0 0.0 0 0
Dec 15 2.45 2.97 3 2.97 3 0.00 0 0 3 0 2.0 1 1
Jan 16 1.96 0.59 3 0.59 3 0.00 0 0 3 0 3.0 1 1
Feb 16 1.79 2.23 1 2.23 1 0.00 0 0 1 0 0.0 0 0
March 16 2.45 1.26 1 1.26 1 0.00 0 0 1 0 0.0 0 0
April 16 3.64 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
May 16 4.23 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
June 16 4.30 0.71 1 0.71 1 0.00 0 0 1 0 0.0 0 0
July 16 4.13 6.38 9 6.38 9 0.00 0 0 9 0 0.0 0 0
Aug 16 4.15 5.16 10 5.16 10 0.00 0 0 10 0 0.0 0 0
Sept 16 3.25 1.13 6 1.13 6 0.00 0 0 6 0 0.0 0 0
Water Year Totals: 38.90" 21.74" 36 days 21.74" 36 0.00" 0 days 0 35 days 0 days 5.0" 2 days 2 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
10/1/2015
10/2/2015
10/3/2015
10/4/2015
10/5/2015
10/6/2015
10/7/2015
10/8/2015
10/9/2015
10/10/2015
10/11/2015
10/12/2015
10/13/2015
10/14/2015
10/15/2015
10/16/2015
10/17/2015
10/18/2015
10/19/2015
10/20/2015 0.00
10/21/2015
10/22/2015
10/23/2015
10/24/2015
10/25/2015
10/26/2015
10/27/2015
10/28/2015
10/29/2015
10/30/2015
10/31/2015
11/1/2015
11/2/2015
11/3/2015
11/4/2015
11/5/2015
11/6/2015
11/7/2015
11/8/2015
11/9/2015
11/10/2015
11/11/2015
11/12/2015
11/13/2015
11/14/2015
11/15/2015
11/16/2015
11/17/2015
11/18/2015
11/19/2015
11/20/2015
11/21/2015
11/22/2015
11/23/2015
11/24/2015
11/25/2015
11/26/2015
11/27/2015 1.31
11/28/2015
11/29/2015
11/30/2015
12/1/2015
12/2/2015
12/3/2015
12/4/2015
12/5/2015
12/6/2015
12/7/2015
12/8/2015
12/9/2015
12/10/2015
12/11/2015
12/12/2015
12/13/2015
12/14/2015
12/15/2015
12/16/2015
12/17/2015
12/18/2015
12/19/2015
12/20/2015
12/21/2015
12/22/2015
12/23/2015
12/24/2015 0.50
12/25/2015
12/26/2015
12/27/2015 0.95
12/28/2015
12/29/2015 1.52
12/30/2015
12/31/2015
Day of YearDaily PrcpMultiday Prcp
1/1/2016
1/2/2016
1/3/2016
1/4/2016
1/5/2016
1/6/2016
1/7/2016
1/8/2016
1/9/2016 0.29
1/10/2016
1/11/2016
1/12/2016 0.20
1/13/2016
1/14/2016
1/15/2016
1/16/2016
1/17/2016
1/18/2016
1/19/2016
1/20/2016
1/21/2016
1/22/2016
1/23/2016
1/24/2016
1/25/2016
1/26/2016 0.10
1/27/2016
1/28/2016
1/29/2016
1/30/2016
1/31/2016
2/1/2016
2/2/2016
2/3/2016 2.23
2/4/2016
2/5/2016
2/6/2016
2/7/2016
2/8/2016
2/9/2016
2/10/2016
2/11/2016
2/12/2016
2/13/2016
2/14/2016
2/15/2016
2/16/2016
2/17/2016
2/18/2016
2/19/2016
2/20/2016
2/21/2016
2/22/2016
2/23/2016
2/24/2016
2/25/2016
2/26/2016
2/27/2016
2/28/2016
2/29/2016
3/1/2016
3/2/2016
3/3/2016
3/4/2016
3/5/2016
3/6/2016
3/7/2016
3/8/2016
3/9/2016
3/10/2016
3/11/2016
3/12/2016
3/13/2016
3/14/2016 1.26
3/15/2016
3/16/2016
3/17/2016
3/18/2016
3/19/2016
3/20/2016
3/21/2016
3/22/2016
3/23/2016
3/24/2016
3/25/2016
3/26/2016
3/27/2016
3/28/2016
3/29/2016
3/30/2016
3/31/2016
Day of YearDaily PrcpMultiday Prcp
4/1/2016
4/2/2016
4/3/2016
4/4/2016
4/5/2016
4/6/2016
4/7/2016
4/8/2016
4/9/2016
4/10/2016
4/11/2016
4/12/2016
4/13/2016
4/14/2016
4/15/2016
4/16/2016
4/17/2016
4/18/2016
4/19/2016
4/20/2016
4/21/2016
4/22/2016
4/23/2016
4/24/2016
4/25/2016
4/26/2016
4/27/2016
4/28/2016
4/29/2016
4/30/2016
5/1/2016
5/2/2016
5/3/2016
5/4/2016
5/5/2016
5/6/2016
5/7/2016
5/8/2016
5/9/2016
5/10/2016
5/11/2016
5/12/2016
5/13/2016
5/14/2016
5/15/2016
5/16/2016
5/17/2016
5/18/2016
5/19/2016
5/20/2016
5/21/2016
5/22/2016
5/23/2016
5/24/2016
5/25/2016
5/26/2016
5/27/2016
5/28/2016
5/29/2016
5/30/2016
5/31/2016
6/1/2016
6/2/2016
6/3/2016
6/4/2016
6/5/2016
6/6/2016
6/7/2016
6/8/2016
6/9/2016
6/10/2016
6/11/2016
6/12/2016
6/13/2016
6/14/2016
6/15/2016 0.71
6/16/2016
6/17/2016
6/18/2016
6/19/2016
6/20/2016
6/21/2016
6/22/2016
6/23/2016
6/24/2016
6/25/2016
6/26/2016
6/27/2016
6/28/2016
6/29/2016
6/30/2016
Day of YearDaily PrcpMultiday Prcp
7/1/2016
7/2/2016
7/3/2016
7/4/2016
7/5/2016
7/6/2016 1.47
7/7/2016
7/8/2016 0.15
7/9/2016
7/10/2016
7/11/2016
7/12/2016
7/13/2016
7/14/2016 0.35
7/15/2016
7/16/2016
7/17/2016
7/18/2016 0.82
7/19/2016
7/20/2016
7/21/2016
7/22/2016 0.73
7/23/2016
7/24/2016 1.18
7/25/2016 0.13
7/26/2016
7/27/2016
7/28/2016
7/29/2016 0.80
7/30/2016 0.75
7/31/2016
8/1/2016
8/2/2016
8/3/2016
8/4/2016
8/5/2016
8/6/2016
8/7/2016
8/8/2016
8/9/2016
8/10/2016
8/11/2016
8/12/2016
8/13/2016 1.39
8/14/2016
8/15/2016
8/16/2016 0.80
8/17/2016
8/18/2016
8/19/2016
8/20/2016 0.14
8/21/2016 1.19
8/22/2016
8/23/2016
8/24/2016 0.30
8/25/2016 0.08
8/26/2016
8/27/2016 0.98
8/28/2016 0.04
8/29/2016 0.04
8/30/2016
8/31/2016 0.20
9/1/2016
9/2/2016
9/3/2016
9/4/2016
9/5/2016
9/6/2016
9/7/2016
9/8/2016
9/9/2016
9/10/2016
9/11/2016
9/12/2016
9/13/2016
9/14/2016
9/15/2016
9/16/2016 0.02
9/17/2016 0.05
9/18/2016
9/19/2016
9/20/2016
9/21/2016 0.18
9/22/2016
9/23/2016
9/24/2016
9/25/2016
9/26/2016 0.03
9/27/2016
9/28/2016 M
9/29/2016 0.59
9/30/2016 0.26



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/20/2015 7:00 AM 0.00 0.0 M M M
11/27/2015 9:00 AM 1.31 M M M M
12/24/2015 7:00 AM 0.50 M M M M
12/27/2015 7:00 AM 0.95 M M M M
12/29/2015 7:00 AM 1.52 2.0 M 1.0 M
1/9/2016 7:00 AM 0.29 M M M M
1/12/2016 7:00 AM 0.20 3.0 0.20 4.0 M
1/26/2016 7:00 AM 0.10 M M M M
2/3/2016 7:00 AM 2.23 M M M M
3/14/2016 7:00 AM 1.26 M M M M
6/15/2016 7:00 AM 0.71 M M M M
7/6/2016 7:00 AM 1.47 M M M M
7/8/2016 7:00 AM 0.15 M M M M
7/14/2016 7:00 AM 0.35 M M M M
7/18/2016 7:00 AM 0.82 M M M M
7/22/2016 7:00 AM 0.73 M M M M
7/24/2016 7:00 AM 1.18 M M M M
7/25/2016 7:00 AM 0.13 M M M M
7/29/2016 7:00 AM 0.80 M M M M
7/30/2016 7:00 AM 0.75 M M M M
8/13/2016 7:00 AM 1.39 M M M M
8/16/2016 7:00 AM 0.80 M M M M
8/20/2016 7:00 AM 0.14 M M M M
8/21/2016 7:00 AM 1.19 M M M M
8/24/2016 7:00 AM 0.30 M M M M
8/25/2016 7:00 AM 0.08 M M M M
8/27/2016 7:00 AM 0.98 M M M M
8/28/2016 7:00 AM 0.04 M M M M
8/29/2016 7:00 AM 0.04 M M M M
8/31/2016 7:00 AM 0.20 M M M M
9/16/2016 7:00 AM 0.02 M M M M
9/17/2016 7:00 AM 0.05 M M M M
9/21/2016 7:00 AM 0.18 M M M M
9/26/2016 7:00 AM 0.03 M M M M
9/28/2016 7:00 AM M M M M M {EDIT: Observer reported 0.69 of new precip. QPE data and surrounding reports of 0.01 to 0.06 indicate an error. Changed report of 0.69 to NA until observer can be contacted to verify. Submission Time Before EDIT: 10/01/2016 10:41 PM CoCoSTAFF DNT}
9/29/2016 7:00 AM 0.59 M M M M
9/30/2016 7:00 AM 0.26 M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes



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