Station Overview Station Location
Station Number IL-CK-296 Latitude 41.542771
Station Name Chicago Heights 2.4 NNW Longitude -87.654073
County Cook Elevation (ft) 643



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 3.22 3.97 31 3.97 31 0.00 0 0 14 2 0.0 0 0
Nov 18 3.48 3.14 28 3.14 28 0.00 0 0 12 7 2.8 3 6
Dec 18 2.50 2.23 27 2.23 27 0.00 0 0 7 1 0.0 0 0
Jan 19 1.97 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Feb 19 1.79 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
March 19 2.44 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 19 3.66 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
May 19 4.29 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
June 19 4.40 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
July 19 4.23 4.98 31 4.98 31 0.00 0 0 12 5 0.0 0 0
Aug 19 3.96 3.21 31 1.19 25 2.02 6 2 9 2 0.0 0 0
Sept 19 3.21 9.86 30 9.86 30 0.00 0 0 17 4 0.0 0 0
Water Year Totals: 39.15" 27.39" 178 days 25.37" 172 2.02" 6 days 2 71 days 21 days 2.8" 3 days 6 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 0.00
10/2/2018 0.00
10/3/2018 0.00
10/4/2018 T
10/5/2018 0.41
10/6/2018 0.58
10/7/2018 0.33
10/8/2018 0.56
10/9/2018 0.00
10/10/2018 0.11
10/11/2018 0.83
10/12/2018 0.02
10/13/2018 0.00
10/14/2018 0.00
10/15/2018 0.18
10/16/2018 0.00
10/17/2018 0.00
10/18/2018 0.00
10/19/2018 0.00
10/20/2018 0.09
10/21/2018 0.02
10/22/2018 0.00
10/23/2018 0.00
10/24/2018 0.00
10/25/2018 0.00
10/26/2018 0.01
10/27/2018 0.00
10/28/2018 0.25
10/29/2018 0.01
10/30/2018 T
10/31/2018 0.57
11/1/2018 T
11/2/2018 0.11
11/3/2018 0.00
11/4/2018 0.24
11/5/2018 0.42
11/6/2018 M
11/7/2018 M
11/8/2018 0.00
11/9/2018 0.08
11/10/2018 0.04
11/11/2018 0.00
11/12/2018 0.00
11/13/2018 T
11/14/2018 0.00
11/15/2018 0.08
11/16/2018 0.04
11/17/2018 T
11/18/2018 0.07
11/19/2018 0.20
11/20/2018 0.00
11/21/2018 0.00
11/22/2018 0.00
11/23/2018 0.00
11/24/2018 0.24
11/25/2018 0.03
11/26/2018 1.59
11/27/2018 T
11/28/2018 T
11/29/2018 T
11/30/2018 T
12/1/2018 0.18
12/2/2018 0.53
12/3/2018 0.00
12/4/2018 0.08
12/5/2018 0.00
12/6/2018 0.00
12/7/2018 0.00
12/8/2018 0.00
12/9/2018 0.00
12/10/2018 0.00
12/11/2018 0.00
12/12/2018 0.00
12/13/2018 0.00
12/14/2018 0.69
12/15/2018 T
12/16/2018 0.00
12/17/2018 0.00
12/18/2018 0.00
12/19/2018 0.00
12/20/2018 0.02
12/21/2018 0.00
12/22/2018 0.00
12/23/2018 0.00
12/24/2018 0.00
12/25/2018 0.00
12/26/2018 0.04
12/27/2018
12/28/2018 0.69
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
4/4/2019
4/5/2019
4/6/2019
4/7/2019
4/8/2019
4/9/2019
4/10/2019
4/11/2019
4/12/2019
4/13/2019
4/14/2019
4/15/2019
4/16/2019
4/17/2019
4/18/2019
4/19/2019
4/20/2019
4/21/2019
4/22/2019
4/23/2019
4/24/2019
4/25/2019
4/26/2019
4/27/2019
4/28/2019
4/29/2019
4/30/2019
5/1/2019
5/2/2019
5/3/2019
5/4/2019
5/5/2019
5/6/2019
5/7/2019
5/8/2019
5/9/2019
5/10/2019
5/11/2019
5/12/2019
5/13/2019
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
5/23/2019
5/24/2019
5/25/2019
5/26/2019
5/27/2019
5/28/2019
5/29/2019
5/30/2019
5/31/2019
6/1/2019
6/2/2019
6/3/2019
6/4/2019
6/5/2019
6/6/2019
6/7/2019
6/8/2019
6/9/2019
6/10/2019
6/11/2019
6/12/2019
6/13/2019
6/14/2019
6/15/2019
6/16/2019
6/17/2019
6/18/2019
6/19/2019
6/20/2019
6/21/2019
6/22/2019
6/23/2019
6/24/2019
6/25/2019
6/26/2019
6/27/2019
6/28/2019
6/29/2019
6/30/2019
Day of YearDaily PrcpMultiday Prcp
7/1/2019 0.77
7/2/2019 T
7/3/2019 0.74
7/4/2019 T
7/5/2019 0.00
7/6/2019 0.02
7/7/2019 0.02
7/8/2019 0.00
7/9/2019 0.00
7/10/2019 0.10
7/11/2019 0.00
7/12/2019 0.00
7/13/2019 0.00
7/14/2019 0.01
7/15/2019 0.00
7/16/2019 0.47
7/17/2019 T
7/18/2019 1.24
7/19/2019 0.01
7/20/2019 0.00
7/21/2019 0.00
7/22/2019 0.89
7/23/2019 T
7/24/2019 0.00
7/25/2019 0.00
7/26/2019 0.00
7/27/2019 0.00
7/28/2019 0.00
7/29/2019 T
7/30/2019 0.70
7/31/2019 0.01
8/1/2019 0.00
8/2/2019 0.00
8/3/2019 0.00
8/4/2019 0.00
8/5/2019 0.00
8/6/2019 0.11
8/7/2019 T
8/8/2019 0.00
8/9/2019 0.00
8/10/2019 0.00
8/11/2019 0.02
8/12/2019 0.00
8/13/2019 0.11
8/14/2019 0.11
8/15/2019 T
8/16/2019 0.00
8/17/2019 0.08
8/18/2019 **
8/19/2019 2.00
8/20/2019 0.21
8/21/2019 0.39
8/22/2019 0.00
8/23/2019 0.00
8/24/2019 0.00
8/25/2019 0.00
8/26/2019 0.02
8/27/2019 0.14
8/28/2019 **
8/29/2019 **
8/30/2019 **
8/31/2019 0.02
9/1/2019 0.08
9/2/2019 T
9/3/2019 T
9/4/2019 0.16
9/5/2019 0.01
9/6/2019 0.00
9/7/2019 0.00
9/8/2019 0.01
9/9/2019 0.22
9/10/2019 0.02
9/11/2019 0.00
9/12/2019 0.10
9/13/2019 0.48
9/14/2019 T
9/15/2019 0.75
9/16/2019 0.02
9/17/2019 0.00
9/18/2019 0.00
9/19/2019 0.00
9/20/2019 0.00
9/21/2019 T
9/22/2019 0.93
9/23/2019 0.43
9/24/2019 0.01
9/25/2019 0.04
9/26/2019 0.00
9/27/2019 0.00
9/28/2019 5.65
9/29/2019 0.86
9/30/2019 0.09



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2018 8:00 AM 0.00 0.0 M M M
10/2/2018 8:00 AM 0.00 0.0 M M M
10/3/2018 8:00 AM 0.00 0.0 M M M
10/4/2018 8:00 AM T M M M M
10/5/2018 8:00 AM 0.41 M M M M
10/6/2018 8:00 AM 0.58 M M M M
10/7/2018 8:00 AM 0.33 M M M M
10/8/2018 8:00 AM 0.56 M M M M
10/9/2018 8:00 AM 0.00 0.0 M M M
10/10/2018 8:00 AM 0.11 M M M M
10/11/2018 8:00 AM 0.83 M M M M
10/12/2018 8:00 AM 0.02 M M M M
10/13/2018 8:00 AM 0.00 0.0 M M M
10/14/2018 8:00 AM 0.00 0.0 M M M
10/15/2018 8:00 AM 0.18 M M M M
10/16/2018 8:00 AM 0.00 0.0 M M M
10/17/2018 8:00 AM 0.00 0.0 M M M
10/18/2018 8:00 AM 0.00 0.0 M M M
10/19/2018 8:00 AM 0.00 0.0 M M M
10/20/2018 8:00 AM 0.09 M M M M
10/21/2018 8:00 AM 0.02 M M M M
10/22/2018 8:00 AM 0.00 0.0 M M M
10/23/2018 8:00 AM 0.00 0.0 M M M
10/24/2018 8:00 AM 0.00 0.0 M M M
10/25/2018 8:00 AM 0.00 0.0 M M M
10/26/2018 8:00 AM 0.01 M M M M
10/27/2018 8:00 AM 0.00 0.0 M M M
10/28/2018 8:00 AM 0.25 M M M M
10/29/2018 8:00 AM 0.01 M M M M
10/30/2018 8:00 AM T M M M M
10/31/2018 8:00 AM 0.57 M M M M
11/1/2018 8:00 AM T M M M M
11/2/2018 8:00 AM 0.11 M M M M
11/3/2018 8:00 AM 0.00 0.0 M M M not even a trace in the gauge - even tho there was a light mist in the air last night
11/4/2018 8:00 AM 0.24 M M M M
11/5/2018 8:00 AM 0.42 M M M M
11/6/2018 8:00 AM M 0.0 M M M {EDIT: Observer reported 0.00 for new precip. QPE data and surrounding reports of 0.24 to 0.28 indicate this could be a typo. Changed report of 0.00 to NA until observer can be contacted to verify. Submission Time Before EDIT: 11/07/2018 3:44 PM CoCoSTAFF DNT}
11/7/2018 8:00 AM M M M M M {EDIT: Observer reported 0.28 for new precip. QPE data and surrounding reports of 0.00 to 0.02 indicate this could be a multi-day report instead of a 24 hour report. Changed report of 0.28 to NA until observer can be contacted to verify. Submission Time Before EDIT: 11/07/2018 3:43 PM CoCoSTAFF DNT}
11/8/2018 8:00 AM 0.00 0.0 M M M
11/9/2018 8:00 AM 0.08 T M T M Despite predictions of 1" to 2" of snow today Friday 09 Nov 2018; only Trace accumulations - mostly because snow melted as it hit the ground. Light "mist" - almost sleet continues during the day, but no accumulation. Interesting.
11/10/2018 8:00 AM 0.04 M M M M
11/11/2018 8:00 AM 0.00 0.0 M M M
11/12/2018 8:00 AM 0.00 0.0 M M M
11/13/2018 8:00 AM T T M T T Even tho we had snow flurries from about 2 PM Monday 12 Nov 2018; there is only Trace accumulations on the grass. Interesting? AND really nothing in the gauge.
11/14/2018 8:00 AM 0.00 0.0 M M M
11/15/2018 8:00 AM 0.08 1.2 0.08 1.2 0.08 Snow is very heavy and dense. Light snow flurries - almost like rain - continues. Outside air temp >30F.
11/16/2018 8:00 AM 0.04 T T T T
11/17/2018 8:00 AM T 0.0 0.00 0.0 0.00
11/18/2018 8:00 AM 0.07 0.6 M 0.6 0.05 Some total precip was due to mist that fell during afternoon and evening of Saturday 17 Nov. Actual SNOW started to fall ~ 3 AM Sunday 18 Nov 2018
11/19/2018 8:00 AM 0.20 T M T T Mostly rain and sleet during day Sunday 18 Nov 2018 that turned to ice over the night.
11/20/2018 8:00 AM 0.00 0.0 M M M
11/21/2018 8:00 AM 0.00 0.0 0.00 0.0 0.00
11/22/2018 8:00 AM 0.00 0.0 0.00 0.0 0.00
11/23/2018 8:00 AM 0.00 0.0 M M M
11/24/2018 8:00 AM 0.24 0.0 M 0.0 M
11/25/2018 8:00 AM 0.03 0.0 M M M
11/26/2018 8:00 AM 1.59 1.0 0.39 1.0 0.39 Rain started late afternoon Sunday 25 Nov 2018, and shifted to snow about 1 am Monday 26 Nov. Rain was about 1.2", hard to be sure about actual total snow as it was blowing and falling on rain wetted surfaces; but think water was about 0.39" after melted
11/27/2018 8:00 AM T T T 1.0 M
11/28/2018 8:00 AM T T T 0.5 M
11/29/2018 8:00 AM T M M 0.5 M
11/30/2018 8:00 AM T 0.0 M T M
12/1/2018 8:00 AM 0.18 0.0 M T M steady rain continues as of 8 am reporting time Saturday 01 Dec 2018. T snow on ground will soon be washed away.
12/2/2018 8:00 AM 0.53 0.0 M 0.0 M Rain mostly fell on Saturday 01 Dec 2018
12/3/2018 8:00 AM 0.00 0.0 M M M
12/4/2018 8:00 AM 0.08 T M T M
12/5/2018 8:00 AM 0.00 0.0 M M M
12/6/2018 8:00 AM 0.00 0.0 M M M
12/7/2018 8:00 AM 0.00 0.0 M M M
12/8/2018 8:00 AM 0.00 0.0 M M M
12/9/2018 8:00 AM 0.00 0.0 M M M
12/10/2018 8:00 AM 0.00 0.0 M M M
12/11/2018 8:00 AM 0.00 0.0 M M M
12/12/2018 8:00 AM 0.00 0.0 M M M
12/13/2018 8:00 AM 0.00 0.0 M M M
12/14/2018 8:00 AM 0.69 0.0 M 0.0 M
12/15/2018 8:00 AM T M M M M
12/16/2018 8:00 AM 0.00 0.0 M M M
12/17/2018 8:00 AM 0.00 0.0 M M M
12/18/2018 8:00 AM 0.00 0.0 M M M
12/19/2018 8:00 AM 0.00 0.0 M M M
12/20/2018 8:00 AM 0.02 0.0 M 0.0 M
12/21/2018 8:00 AM 0.00 0.0 M M M
12/22/2018 8:00 AM 0.00 0.0 M M M
12/23/2018 8:00 AM 0.00 0.0 M M M
12/24/2018 8:00 AM 0.00 0.0 M M M
12/25/2018 8:00 AM 0.00 0.0 M M M
12/26/2018 8:00 AM 0.04 0.0 M 0.0 M Steady rain showers continued thru out the day 26 Dec: SO: observations for 8 am Fri 27 Dec will actually reflect rain that fell Thursday during mid-day.
12/28/2018 8:00 AM 0.69 0.0 M 0.0 M
7/1/2019 8:00 AM 0.77 M M M M
7/2/2019 8:00 AM T M M M M
7/3/2019 8:00 AM 0.74 M M M M
7/4/2019 8:00 AM T M M M M
7/5/2019 8:00 AM 0.00 0.0 M M M
7/6/2019 8:00 AM 0.02 M M M M
7/7/2019 8:00 AM 0.02 M M M M
7/8/2019 8:00 AM 0.00 0.0 M M M
7/9/2019 8:00 AM 0.00 0.0 M M M
7/10/2019 8:00 AM 0.10 M M M M
7/11/2019 8:00 AM 0.00 0.0 M M M
7/12/2019 8:00 AM 0.00 0.0 M M M
7/13/2019 8:00 AM 0.00 0.0 M M M
7/14/2019 8:00 AM 0.01 M M M M
7/15/2019 8:00 AM 0.00 0.0 M M M
7/16/2019 8:00 AM 0.47 M M M M
7/17/2019 8:00 AM T M M M M
7/18/2019 8:00 AM 1.24 M M M M
7/19/2019 8:00 AM 0.01 M M M M
7/20/2019 8:00 AM 0.00 0.0 M M M
7/21/2019 8:00 AM 0.00 0.0 M M M
7/22/2019 8:00 AM 0.89 M M M M Bone dry with 0 accumulation at 11:30 AM Sunday 21 July. This 0.89 all came afternoon Sunday.
7/23/2019 8:00 AM T M M M M
7/24/2019 8:00 AM 0.00 0.0 M M M
7/25/2019 8:00 AM 0.00 0.0 M M M
7/26/2019 8:00 AM 0.00 0.0 M M M
7/27/2019 8:00 AM 0.00 0.0 M M M
7/28/2019 8:00 AM 0.00 0.0 M M M
7/29/2019 8:00 AM T M M M M Just a light mist at normal, nominal Observation Time of 8 AM Monday 29 July 2019; BUT steady rain showers during day. SO: Reporting for 30 July will be > 0.5"
7/30/2019 8:00 AM 0.70 M M M M Really two rain events: 1st from about Noon until 3 PM Monday 29 July 2019 when about 0.6" fell; and 2nd from about 5 to 6 PM when about 0.1" fell. Sunshinney | clear sky in between and after events.
7/31/2019 8:00 AM 0.01 M M M M
8/1/2019 8:00 AM 0.00 0.0 M M M
8/2/2019 8:00 AM 0.00 0.0 M M M
8/3/2019 8:00 AM 0.00 0.0 M M M
8/4/2019 8:00 AM 0.00 0.0 M M M
8/5/2019 8:00 AM 0.00 0.0 M M M
8/6/2019 8:00 AM 0.11 M M M M
8/7/2019 8:00 AM T M M M M
8/8/2019 8:00 AM 0.00 0.0 M M M
8/9/2019 8:00 AM 0.00 0.0 M M M
8/10/2019 8:00 AM 0.00 0.0 M M M
8/11/2019 8:00 AM 0.02 M M M M
8/12/2019 8:00 AM 0.00 0.0 M M M
8/13/2019 8:00 AM 0.11 M M M M No precip Tuesday Morning 13 Aug
8/14/2019 8:00 AM 0.11 M M M M
8/15/2019 8:00 AM T M M M M
8/16/2019 8:00 AM 0.00 0.0 M M M
8/17/2019 8:00 AM 0.08 M M M M
8/20/2019 8:00 AM 0.21 M M M M
8/21/2019 8:00 AM 0.39 M M M M
8/22/2019 8:00 AM 0.00 0.0 M M M
8/23/2019 8:00 AM 0.00 0.0 M M M
8/24/2019 8:00 AM 0.00 0.0 M M M
8/25/2019 8:00 AM 0.00 0.0 M M M
8/26/2019 8:00 AM 0.02 M M M M Clear and dry all day Sunday 25 Aug 2019. .02 fell in early morning hours of Monday 26 Aug 2019. More precipitation during day of 26 Aug, after Observation Time, will show up in 8/27/2019 Observation Date Report
8/27/2019 8:00 AM 0.14 M M M M
9/1/2019 8:00 AM 0.08 M M M M
9/2/2019 8:00 AM T M M M M
9/3/2019 8:00 AM T M M M M First wave of thunder and wind and new rain was starting just at 03 Sept 2019 observation time
9/4/2019 8:00 AM 0.16 M M M M
9/5/2019 8:00 AM 0.01 M M M M
9/6/2019 8:00 AM 0.00 0.0 M M M
9/7/2019 8:00 AM 0.00 0.0 M M M
9/8/2019 8:00 AM 0.01 M M M M Light rain starting to fall. SO: data reported for 9/9/19 will actually reflect some (most?) rain fall on 08 Sept 2019. Another anomaly of rain reported at 8 AM on one day often-times reflects what happened during the day on previous day. (In other words: midnight to 8 AM is only 1/3rd of the "Observation" Date.)
9/9/2019 8:00 AM 0.22 M M M M
9/10/2019 8:00 AM 0.02 M M M M
9/11/2019 8:00 AM 0.00 0.0 M M M
9/12/2019 8:00 AM 0.10 M M M M
9/13/2019 8:00 AM 0.48 M M M M
9/14/2019 8:00 AM T M M M M
9/15/2019 8:00 AM 0.75 M M M M
9/16/2019 8:00 AM 0.02 M M M M
9/17/2019 8:00 AM 0.00 0.0 M M M
9/18/2019 8:00 AM 0.00 0.0 M M M
9/19/2019 8:00 AM 0.00 0.0 M M M
9/20/2019 8:00 AM 0.00 0.0 M M M
9/21/2019 8:00 AM T M M M M
9/22/2019 8:00 AM 0.93 M M M M
9/23/2019 8:00 AM 0.43 M M M M Of reported amount; 0.33" fell from (scheduled reporting time of) 8 am on Sunday 22 Sept 2019 until 8 PM (20:00).
9/24/2019 8:00 AM 0.01 M M M M This might have been condensation from a heavy due, but I see no other evidence of a due fall. SO: ??
9/25/2019 8:00 AM 0.04 M M M M
9/26/2019 8:00 AM 0.00 0.0 M M M
9/27/2019 8:00 AM 0.00 0.0 M M M
9/28/2019 8:00 AM 5.65 M M M M Drizzelled all day Friday 27 Sept. Heavist started ~ 6pm and continued almost non-stop until Sat 28 Sept 2019 ~ 3am, when tapered off to drizzell and then 0. Showers started 5:45 Saturday. Drizzell continues after 8 am Saturday 28 Sept 2019
9/29/2019 8:00 AM 0.86 M M M M Light rain continues on and off
9/30/2019 8:00 AM 0.09 M M M M Area Flooding from over weekend substantially gone, but some pockets - standing water remain



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
8/18/2019 8/19/2019 8:00 AM 2 2.00 M M corrected n/a that staff entered
8/28/2019 8/31/2019 8:00 AM 4 0.02 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