Station Overview Station Location
Station Number IL-CK-148 Latitude 41.693577
Station Name Oak Lawn 1.9 SE Longitude -87.728993
County Cook Elevation (ft) 598



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 14 3.11 3.98 30 3.98 30 0.00 0 0 13 2 0.0 0 0
Nov 14 3.36 1.36 9 1.36 9 0.00 0 0 5 1 0.0 0 0
Dec 14 2.45 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Jan 15 1.99 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Feb 15 1.84 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
March 15 2.48 0.25 11 0.25 8 0.00 3 1 3 0 0.0 0 0
April 15 3.61 3.78 30 3.78 30 0.00 0 0 12 1 0.0 0 0
May 15 4.15 4.21 25 4.21 25 0.00 0 0 17 1 0.0 0 0
June 15 4.23 6.90 27 6.90 27 0.00 0 0 17 1 0.0 0 0
July 15 4.00 2.61 30 2.61 30 0.00 0 0 8 3 0.0 0 0
Aug 15 4.25 3.45 28 3.14 19 0.31 9 1 7 1 0.0 0 0
Sept 15 3.30 5.45 25 4.98 23 0.47 2 1 4 2 0.0 0 0
Water Year Totals: 38.77" 31.99" 215 days 31.21" 201 0.78" 14 days 3 86 days 12 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
10/1/2014 T
10/2/2014 0.01
10/3/2014 1.84
10/4/2014 0.11
10/5/2014 0.05
10/6/2014 0.01
10/7/2014 0.00
10/8/2014 0.00
10/9/2014 0.00
10/10/2014 0.00
10/11/2014 0.00
10/12/2014 0.00
10/13/2014 T
10/14/2014 0.61
10/15/2014 1.12
10/16/2014 0.08
10/17/2014 0.01
10/18/2014 0.01
10/19/2014 0.02
10/20/2014
10/21/2014 0.00
10/22/2014 0.00
10/23/2014 0.00
10/24/2014 0.00
10/25/2014 0.00
10/26/2014 0.00
10/27/2014 0.00
10/28/2014 0.09
10/29/2014 0.00
10/30/2014 0.00
10/31/2014 0.02
11/1/2014 0.06
11/2/2014 0.00
11/3/2014 0.00
11/4/2014 0.03
11/5/2014 T
11/6/2014 0.00
11/7/2014
11/8/2014
11/9/2014
11/10/2014
11/11/2014
11/12/2014 0.26
11/13/2014
11/14/2014
11/15/2014
11/16/2014
11/17/2014
11/18/2014
11/19/2014
11/20/2014
11/21/2014
11/22/2014 0.09
11/23/2014
11/24/2014 0.92
11/25/2014
11/26/2014
11/27/2014
11/28/2014
11/29/2014
11/30/2014
12/1/2014
12/2/2014
12/3/2014
12/4/2014
12/5/2014
12/6/2014
12/7/2014
12/8/2014
12/9/2014
12/10/2014
12/11/2014
12/12/2014
12/13/2014
12/14/2014
12/15/2014
12/16/2014
12/17/2014
12/18/2014
12/19/2014
12/20/2014
12/21/2014
12/22/2014
12/23/2014
12/24/2014
12/25/2014
12/26/2014
12/27/2014
12/28/2014
12/29/2014
12/30/2014
12/31/2014
Day of YearDaily PrcpMultiday Prcp
1/1/2015
1/2/2015
1/3/2015
1/4/2015
1/5/2015
1/6/2015
1/7/2015
1/8/2015
1/9/2015
1/10/2015
1/11/2015
1/12/2015
1/13/2015
1/14/2015
1/15/2015
1/16/2015
1/17/2015
1/18/2015
1/19/2015
1/20/2015
1/21/2015
1/22/2015
1/23/2015
1/24/2015
1/25/2015
1/26/2015
1/27/2015
1/28/2015
1/29/2015
1/30/2015
1/31/2015
2/1/2015
2/2/2015
2/3/2015
2/4/2015
2/5/2015
2/6/2015
2/7/2015
2/8/2015
2/9/2015
2/10/2015
2/11/2015
2/12/2015
2/13/2015
2/14/2015
2/15/2015
2/16/2015
2/17/2015
2/18/2015
2/19/2015
2/20/2015
2/21/2015
2/22/2015
2/23/2015
2/24/2015
2/25/2015
2/26/2015
2/27/2015
2/28/2015
3/1/2015
3/2/2015
3/3/2015
3/4/2015
3/5/2015
3/6/2015
3/7/2015
3/8/2015
3/9/2015
3/10/2015 0.00
3/11/2015 0.00
3/12/2015 **
3/13/2015 **
3/14/2015 0.00
3/15/2015 0.00
3/16/2015
3/17/2015
3/18/2015
3/19/2015
3/20/2015
3/21/2015
3/22/2015
3/23/2015
3/24/2015
3/25/2015 0.20
3/26/2015
3/27/2015 0.01
3/28/2015
3/29/2015 0.00
3/30/2015 0.04
3/31/2015 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2015 0.00
4/2/2015 0.19
4/3/2015 0.44
4/4/2015 0.00
4/5/2015 0.00
4/6/2015 0.00
4/7/2015 0.17
4/8/2015 0.01
4/9/2015 0.28
4/10/2015 0.98
4/11/2015 0.00
4/12/2015 0.00
4/13/2015 0.23
4/14/2015 0.04
4/15/2015 0.00
4/16/2015 0.19
4/17/2015 0.00
4/18/2015 0.00
4/19/2015 0.00
4/20/2015 0.49
4/21/2015 T
4/22/2015 0.00
4/23/2015 0.00
4/24/2015 0.00
4/25/2015 0.37
4/26/2015 0.39
4/27/2015 0.00
4/28/2015 0.00
4/29/2015 0.00
4/30/2015 0.00
5/1/2015
5/2/2015
5/3/2015 0.01
5/4/2015 0.11
5/5/2015 0.76
5/6/2015 0.05
5/7/2015 0.00
5/8/2015 T
5/9/2015 0.58
5/10/2015 0.23
5/11/2015 0.02
5/12/2015 0.24
5/13/2015 0.00
5/14/2015 0.00
5/15/2015 0.20
5/16/2015
5/17/2015 0.07
5/18/2015 0.00
5/19/2015 0.00
5/20/2015
5/21/2015 0.06
5/22/2015 0.00
5/23/2015 0.00
5/24/2015 0.01
5/25/2015 0.47
5/26/2015 0.13
5/27/2015
5/28/2015 0.01
5/29/2015
5/30/2015 0.39
5/31/2015 0.87
6/1/2015
6/2/2015 0.00
6/3/2015 0.00
6/4/2015 0.00
6/5/2015 0.00
6/6/2015 0.00
6/7/2015 0.00
6/8/2015 0.68
6/9/2015 0.20
6/10/2015 0.07
6/11/2015 0.43
6/12/2015 0.28
6/13/2015 0.16
6/14/2015 1.47
6/15/2015 0.25
6/16/2015 1.26
6/17/2015 0.00
6/18/2015 0.10
6/19/2015 0.01
6/20/2015 0.00
6/21/2015 0.32
6/22/2015
6/23/2015 0.02
6/24/2015 0.00
6/25/2015 0.39
6/26/2015 T
6/27/2015 0.66
6/28/2015
6/29/2015 0.40
6/30/2015 0.20
Day of YearDaily PrcpMultiday Prcp
7/1/2015 0.00
7/2/2015 0.00
7/3/2015 0.00
7/4/2015 0.00
7/5/2015 0.00
7/6/2015 0.00
7/7/2015 0.55
7/8/2015 0.12
7/9/2015 0.12
7/10/2015 0.01
7/11/2015 0.00
7/12/2015 0.08
7/13/2015
7/14/2015 0.97
7/15/2015 0.00
7/16/2015 0.00
7/17/2015 0.70
7/18/2015 T
7/19/2015 T
7/20/2015 0.00
7/21/2015 0.00
7/22/2015 0.00
7/23/2015 0.00
7/24/2015 0.00
7/25/2015 0.00
7/26/2015 0.00
7/27/2015 T
7/28/2015 0.00
7/29/2015 0.06
7/30/2015 0.00
7/31/2015 0.00
8/1/2015 0.00
8/2/2015 0.00
8/3/2015 0.52
8/4/2015 0.00
8/5/2015 0.00
8/6/2015 0.00
8/7/2015 0.00
8/8/2015
8/9/2015 T
8/10/2015 0.01
8/11/2015 0.43
8/12/2015 0.00
8/13/2015 0.00
8/14/2015 0.00
8/15/2015 0.17
8/16/2015 0.28
8/17/2015 0.00
8/18/2015 0.91
8/19/2015 0.82
8/20/2015
8/21/2015
8/22/2015 **
8/23/2015 **
8/24/2015 **
8/25/2015 **
8/26/2015 **
8/27/2015 **
8/28/2015 **
8/29/2015 **
8/30/2015 0.31
8/31/2015 0.00
9/1/2015 0.00
9/2/2015 0.00
9/3/2015 0.00
9/4/2015 0.00
9/5/2015 0.00
9/6/2015 0.00
9/7/2015 0.00
9/8/2015 T
9/9/2015 0.63
9/10/2015 0.00
9/11/2015 0.35
9/12/2015 **
9/13/2015 0.47
9/14/2015 0.00
9/15/2015 0.00
9/16/2015 0.00
9/17/2015
9/18/2015 1.26
9/19/2015 2.74
9/20/2015 0.00
9/21/2015
9/22/2015 0.00
9/23/2015
9/24/2015 0.00
9/25/2015
9/26/2015 0.00
9/27/2015 0.00
9/28/2015
9/29/2015 0.00
9/30/2015 T



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2014 6:45 AM T M M M M
10/2/2014 6:45 AM 0.01 M M M M
10/3/2014 6:45 AM 1.84 M M M M It's raining.
10/4/2014 6:45 AM 0.11 M M M M
10/5/2014 6:45 AM 0.05 M M M M
10/6/2014 6:45 AM 0.01 M M M M
10/7/2014 6:45 AM 0.00 0.0 M M M
10/8/2014 6:45 AM 0.00 0.0 M M M
10/9/2014 6:45 AM 0.00 0.0 M M M
10/10/2014 6:45 AM 0.00 0.0 M M M
10/11/2014 6:45 AM 0.00 0.0 M M M Patchy frost on roofs and lawns
10/12/2014 6:45 AM 0.00 0.0 M M M
10/13/2014 6:45 AM T M M M M
10/14/2014 6:45 AM 0.61 M M M M
10/15/2014 6:45 AM 1.12 M M M M
10/16/2014 6:45 AM 0.08 M M M M
10/17/2014 6:45 AM 0.01 M M M M
10/18/2014 6:45 AM 0.01 M M M M
10/19/2014 6:45 AM 0.02 M M M M Heavy frost
10/21/2014 6:45 AM 0.00 0.0 M M M
10/22/2014 6:45 AM 0.00 0.0 M M M
10/23/2014 6:45 AM 0.00 0.0 M M M Frost
10/24/2014 6:45 AM 0.00 0.0 M M M
10/25/2014 6:45 AM 0.00 0.0 M M M
10/26/2014 6:45 AM 0.00 0.0 M M M
10/27/2014 6:45 AM 0.00 0.0 M M M
10/28/2014 6:45 AM 0.09 M M M M
10/29/2014 6:45 AM 0.00 0.0 M M M
10/30/2014 6:45 AM 0.00 0.0 M M M Frost
10/31/2014 6:45 AM 0.02 M M M M
11/1/2014 6:45 AM 0.06 M M M M Snow showers yesterday. First of the year.
11/2/2014 6:45 AM 0.00 0.0 M M M Heavy frost
11/3/2014 6:45 AM 0.00 0.0 M M M
11/4/2014 6:45 AM 0.03 M M M M
11/5/2014 6:45 AM T M M M M Frost
11/6/2014 6:45 AM 0.00 0.0 M M M
11/12/2014 6:45 AM 0.26 M M M M
11/22/2014 6:45 AM 0.09 M M M M
11/24/2014 6:45 AM 0.92 M M M M Light rain
3/10/2015 6:45 AM 0.00 0.0 M M M
3/11/2015 6:45 AM 0.00 0.0 M M M
3/15/2015 6:45 AM 0.00 0.0 M M M
3/25/2015 6:45 AM 0.20 M M M M
3/27/2015 6:45 AM 0.01 M M M M
3/29/2015 6:45 AM 0.00 0.0 M M M
3/30/2015 6:45 AM 0.04 M M M M
3/31/2015 6:45 AM 0.00 0.0 M M M
4/1/2015 6:45 AM 0.00 0.0 M M M
4/2/2015 6:45 AM 0.19 M M M M Measurement taken during a thunderstorm
4/3/2015 6:45 AM 0.44 M M M M
4/4/2015 6:45 AM 0.00 0.0 M M M
4/5/2015 6:45 AM 0.00 0.0 M M M
4/6/2015 6:45 AM 0.00 0.0 M M M
4/7/2015 6:45 AM 0.17 M M M M
4/8/2015 6:45 AM 0.01 M M M M
4/9/2015 6:45 AM 0.28 M M M M
4/10/2015 6:45 AM 0.98 M M M M
4/11/2015 6:45 AM 0.00 0.0 M M M
4/12/2015 6:45 AM 0.00 0.0 M M M
4/13/2015 6:45 AM 0.23 M M M M measurement taken during a rain event.
4/14/2015 6:45 AM 0.04 M M M M
4/15/2015 6:45 AM 0.00 0.0 M M M
4/16/2015 6:45 AM 0.19 M M M M
4/17/2015 6:45 AM 0.00 0.0 M M M
4/18/2015 6:45 AM 0.00 0.0 M M M
4/19/2015 6:45 AM 0.00 0.0 M M M
4/20/2015 6:45 AM 0.49 M M M M
4/21/2015 6:45 AM T M M M M
4/22/2015 6:45 AM 0.00 0.0 M M M
4/23/2015 6:45 AM 0.00 0.0 M M M Frost
4/24/2015 6:45 AM 0.00 0.0 M M M Frost
4/25/2015 6:45 AM 0.37 M M M M light rain
4/26/2015 6:45 AM 0.39 M M M M
4/27/2015 6:45 AM 0.00 0.0 M M M
4/28/2015 6:45 AM 0.00 0.0 M M M
4/29/2015 6:45 AM 0.00 0.0 M M M
4/30/2015 6:45 AM 0.00 0.0 M M M
5/3/2015 6:45 AM 0.01 M M M M
5/4/2015 6:45 AM 0.11 M M M M
5/5/2015 6:45 AM 0.76 M M M M
5/6/2015 6:45 AM 0.05 M M M M Fog, mist.
5/7/2015 6:45 AM 0.00 0.0 M M M
5/8/2015 6:45 AM T M M M M
5/9/2015 6:45 AM 0.58 M M M M
5/10/2015 6:45 AM 0.23 M M M M light rain/mist
5/11/2015 6:45 AM 0.02 M M M M
5/12/2015 6:45 AM 0.24 M M M M
5/13/2015 6:45 AM 0.00 0.0 M M M
5/14/2015 6:45 AM 0.00 0.0 M M M
5/15/2015 6:45 AM 0.20 M M M M
5/17/2015 6:45 AM 0.07 M M M M
5/18/2015 6:45 AM 0.00 0.0 M M M
5/19/2015 6:45 AM 0.00 0.0 M M M
5/21/2015 6:45 AM 0.06 M M M M
5/22/2015 6:45 AM 0.00 0.0 M M M
5/23/2015 6:45 AM 0.00 0.0 M M M
5/24/2015 6:45 AM 0.01 M M M M Light rain
5/25/2015 6:45 AM 0.47 M M M M
5/26/2015 6:45 AM 0.13 M M M M
5/28/2015 6:45 AM 0.01 M M M M
5/30/2015 6:45 AM 0.39 M M M M
5/31/2015 6:45 AM 0.87 M M M M
6/2/2015 6:45 AM 0.00 0.0 M M M
6/3/2015 6:45 AM 0.00 0.0 M M M
6/4/2015 6:45 AM 0.00 0.0 M M M
6/5/2015 6:45 AM 0.00 0.0 M M M
6/6/2015 6:45 AM 0.00 0.0 M M M
6/7/2015 6:45 AM 0.00 0.0 M M M
6/8/2015 6:45 AM 0.68 M M M M
6/9/2015 6:45 AM 0.20 M M M M
6/10/2015 6:45 AM 0.07 M M M M
6/11/2015 6:45 AM 0.43 M M M M
6/12/2015 6:45 AM 0.28 M M M M
6/13/2015 6:45 AM 0.16 M M M M
6/14/2015 6:45 AM 1.47 M M M M Light rain
6/15/2015 6:45 AM 0.25 M M M M
6/16/2015 6:45 AM 1.26 M M M M
6/17/2015 6:45 AM 0.00 0.0 M M M
6/18/2015 6:45 AM 0.10 M M M M
6/19/2015 6:45 AM 0.01 M M M M
6/20/2015 6:45 AM 0.00 0.0 M M M
6/21/2015 6:45 AM 0.32 M M M M
6/23/2015 6:45 AM 0.02 M M M M
6/24/2015 6:45 AM 0.00 0.0 M M M
6/25/2015 6:45 AM 0.39 M M M M
6/26/2015 6:45 AM T M M M M
6/27/2015 6:45 AM 0.66 M M M M
6/29/2015 6:45 AM 0.40 M M M M Light rain
6/30/2015 6:45 AM 0.20 M M M M
7/1/2015 6:45 AM 0.00 0.0 M M M
7/2/2015 6:45 AM 0.00 0.0 M M M
7/3/2015 6:45 AM 0.00 0.0 M M M
7/4/2015 6:45 AM 0.00 0.0 M M M
7/5/2015 6:45 AM 0.00 0.0 M M M
7/6/2015 6:45 AM 0.00 0.0 M M M
7/7/2015 6:45 AM 0.55 M M M M Light rain
7/8/2015 6:45 AM 0.12 M M M M
7/9/2015 6:45 AM 0.12 M M M M Light mist. Exact same measurement as yesterday.
7/10/2015 6:45 AM 0.01 0.0 M M M
7/11/2015 6:45 AM 0.00 0.0 M M M
7/12/2015 6:45 AM 0.08 M M M M
7/14/2015 6:45 AM 0.97 M M M M
7/15/2015 6:45 AM 0.00 0.0 M M M
7/16/2015 6:45 AM 0.00 0.0 M M M
7/17/2015 6:45 AM 0.70 M M M M
7/18/2015 6:45 AM T M M M M
7/19/2015 6:45 AM T M M M M
7/20/2015 6:45 AM 0.00 0.0 M M M
7/21/2015 6:45 AM 0.00 0.0 M M M
7/22/2015 6:45 AM 0.00 0.0 M M M
7/23/2015 6:45 AM 0.00 0.0 M M M
7/24/2015 6:45 AM 0.00 0.0 M M M
7/25/2015 6:45 AM 0.00 0.0 M M M
7/26/2015 6:45 AM 0.00 0.0 M M M
7/27/2015 6:45 AM T M M M M
7/28/2015 6:45 AM 0.00 0.0 M M M
7/29/2015 6:45 AM 0.06 M M M M
7/30/2015 6:45 AM 0.00 0.0 M M M
7/31/2015 6:45 AM 0.00 0.0 M M M
8/1/2015 6:45 AM 0.00 0.0 M M M
8/2/2015 6:45 AM 0.00 0.0 M M M
8/3/2015 6:45 AM 0.52 M M M M
8/4/2015 6:45 AM 0.00 0.0 M M M
8/5/2015 6:45 AM 0.00 0.0 M M M
8/6/2015 6:45 AM 0.00 0.0 M M M
8/7/2015 6:45 AM 0.00 0.0 M M M
8/9/2015 6:45 AM T M M M M
8/10/2015 6:45 AM 0.01 M M M M
8/11/2015 6:45 AM 0.43 M M M M
8/12/2015 6:45 AM 0.00 0.0 M M M
8/13/2015 6:45 AM 0.00 0.0 M M M
8/14/2015 6:45 AM 0.00 0.0 M M M
8/15/2015 6:45 AM 0.17 M M M M
8/16/2015 6:45 AM 0.28 M M M M
8/17/2015 6:45 AM 0.00 0.0 M M M
8/18/2015 6:45 AM 0.91 M M M M
8/19/2015 6:45 AM 0.82 M M M M
8/31/2015 6:45 AM 0.00 0.0 M M M
9/1/2015 6:45 AM 0.00 0.0 M M M
9/2/2015 6:45 AM 0.00 0.0 M M M
9/3/2015 6:45 AM 0.00 0.0 M M M
9/4/2015 6:45 AM 0.00 0.0 M M M
9/5/2015 6:45 AM 0.00 0.0 M M M
9/6/2015 6:45 AM 0.00 0.0 M M M
9/7/2015 6:45 AM 0.00 0.0 M M M
9/8/2015 6:45 AM T M M M M
9/9/2015 6:45 AM 0.63 M M M M
9/10/2015 6:45 AM 0.00 0.0 M M M
9/11/2015 6:45 AM 0.35 M M M M Light rain
9/14/2015 6:45 AM 0.00 0.0 M M M
9/15/2015 6:45 AM 0.00 0.0 M M M
9/16/2015 6:45 AM 0.00 0.0 M M M
9/18/2015 6:45 AM 1.26 M M M M
9/19/2015 6:45 AM 2.74 M M M M
9/20/2015 6:45 AM 0.00 0.0 M M M
9/22/2015 6:45 AM 0.00 0.0 M M M
9/24/2015 6:45 AM 0.00 0.0 M M M
9/26/2015 6:45 AM 0.00 0.0 M M M
9/27/2015 6:45 AM 0.00 0.0 M M M
9/29/2015 6:45 AM 0.00 0.0 M M M
9/30/2015 6:45 AM T M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
3/12/2015 3/14/2015 6:45 AM 3 0.00 M M
8/22/2015 8/30/2015 7:00 AM 9 0.31 M M
9/12/2015 9/13/2015 6:45 AM 2 0.47 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