Station Overview Station Location
Station Number IL-WL-42 Latitude 41.53134
Station Name Mokena 1.3 W Longitude -87.901152
County Will Elevation (ft) 715



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 3.10 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Nov 18 3.31 0.00 0 0.00 0 0.00 0 0 0 0 2.4 1 1
Dec 18 2.35 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Jan 19 1.86 0.00 0 0.00 0 0.00 0 0 0 0 6.3 2 1
Feb 19 1.73 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
March 19 2.45 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 19 3.61 2.36 7 0.86 5 1.50 2 1 2 0 0.0 0 0
May 19 4.24 10.29 28 10.14 26 0.15 2 1 20 1 0.0 0 0
June 19 4.24 3.77 30 1.06 5 2.71 25 2 3 0 0.0 0 0
July 19 4.17 1.49 3 0.00 0 1.49 3 1 0 0 0.0 0 0
Aug 19 4.11 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Sept 19 3.22 7.44 4 7.44 4 0.00 0 0 4 0 0.0 0 0
Water Year Totals: 38.39" 25.35" 72 days 19.50" 40 5.85" 32 days 5 29 days 1 days 8.7" 3 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
10/1/2018
10/2/2018
10/3/2018
10/4/2018
10/5/2018
10/6/2018
10/7/2018
10/8/2018
10/9/2018
10/10/2018
10/11/2018
10/12/2018
10/13/2018
10/14/2018
10/15/2018
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
11/25/2018
11/26/2018 M
11/27/2018
11/28/2018
11/29/2018
11/30/2018
12/1/2018
12/2/2018
12/3/2018
12/4/2018
12/5/2018
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
12/15/2018
12/16/2018
12/17/2018
12/18/2018
12/19/2018
12/20/2018
12/21/2018
12/22/2018
12/23/2018
12/24/2018
12/25/2018
12/26/2018
12/27/2018
12/28/2018
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 M
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 M
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 0.03
4/24/2019 0.00
4/25/2019 0.00
4/26/2019
4/27/2019 0.00
4/28/2019 0.83
4/29/2019 **
4/30/2019 1.50
5/1/2019 2.21
5/2/2019 0.03
5/3/2019 0.49
5/4/2019 0.03
5/5/2019 0.00
5/6/2019
5/7/2019 0.39
5/8/2019 0.04
5/9/2019 1.64
5/10/2019 0.01
5/11/2019 0.00
5/12/2019 0.18
5/13/2019 0.11
5/14/2019 0.00
5/15/2019 0.00
5/16/2019 0.00
5/17/2019 1.01
5/18/2019 0.06
5/19/2019 0.49
5/20/2019 0.02
5/21/2019 0.35
5/22/2019 0.93
5/23/2019 0.23
5/24/2019
5/25/2019
5/26/2019 **
5/27/2019 0.15
5/28/2019 0.42
5/29/2019 1.16
5/30/2019 0.34
5/31/2019 T
6/1/2019 0.00
6/2/2019 0.32
6/3/2019 0.00
6/4/2019 0.01
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 **
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 1.74
6/24/2019 **
6/25/2019 **
6/26/2019 **
6/27/2019 0.97
6/28/2019 **
6/29/2019 **
6/30/2019 **
Day of YearDaily PrcpMultiday Prcp
7/1/2019 **
7/2/2019 **
7/3/2019 1.49
7/4/2019
7/5/2019
7/6/2019
7/7/2019
7/8/2019
7/9/2019
7/10/2019
7/11/2019
7/12/2019
7/13/2019
7/14/2019
7/15/2019
7/16/2019
7/17/2019
7/18/2019
7/19/2019
7/20/2019
7/21/2019
7/22/2019
7/23/2019
7/24/2019
7/25/2019
7/26/2019
7/27/2019
7/28/2019
7/29/2019
7/30/2019
7/31/2019
8/1/2019
8/2/2019
8/3/2019
8/4/2019
8/5/2019
8/6/2019
8/7/2019
8/8/2019
8/9/2019
8/10/2019
8/11/2019
8/12/2019
8/13/2019
8/14/2019
8/15/2019
8/16/2019
8/17/2019
8/18/2019
8/19/2019
8/20/2019
8/21/2019
8/22/2019
8/23/2019
8/24/2019
8/25/2019
8/26/2019
8/27/2019
8/28/2019
8/29/2019
8/30/2019
8/31/2019
9/1/2019
9/2/2019
9/3/2019
9/4/2019
9/5/2019
9/6/2019
9/7/2019
9/8/2019
9/9/2019
9/10/2019
9/11/2019
9/12/2019
9/13/2019
9/14/2019
9/15/2019
9/16/2019
9/17/2019
9/18/2019
9/19/2019
9/20/2019
9/21/2019
9/22/2019 1.11
9/23/2019 0.56
9/24/2019
9/25/2019
9/26/2019
9/27/2019
9/28/2019 5.13
9/29/2019 0.64
9/30/2019



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
11/26/2018 7:00 AM M 2.4 M 2.4 M Sorry, rain gage is broken so only snow measurements for a bit.
1/19/2019 7:30 AM M 2.7 M M M Still lightly snowing - winds picking up quite a bit and there's a lot of drifting. Rain gauge is currently broken so unable to do a liquid measurement.
1/28/2019 7:00 AM M 3.6 M 6.0 M Observation at 7am. Still lightly but steadily snowing. Rain gage is out of commission so unable to provide liquid equivalent
4/23/2019 7:00 AM 0.03 M M M M
4/24/2019 7:00 AM 0.00 M M M M
4/25/2019 7:00 AM 0.00 M M M M
4/27/2019 7:00 AM 0.00 M M M M
4/28/2019 7:00 AM 0.83 T M M M We had mainly rain here Saturday, with a few wet snowflakes occasionally mixing in starting at about 11:30am. No snow accumulation. Then from approximately 6:00pm - 8:15pm there was sleet that accumulated iust on cars and roofs, nothing on pavement or grass and nothing measurable on the snow board.
5/1/2019 7:00 AM 2.21 M M M M
5/2/2019 7:00 AM 0.03 M M M M
5/3/2019 7:00 AM 0.49 M M M M
5/4/2019 7:00 AM 0.03 M M M M
5/5/2019 7:00 AM 0.00 M M M M
5/7/2019 7:00 AM 0.39 M M M M
5/8/2019 7:00 AM 0.04 M M M M
5/9/2019 7:00 AM 1.64 M M M M
5/10/2019 7:00 AM 0.01 M M M M
5/11/2019 7:00 AM 0.00 M M M M
5/12/2019 7:00 AM 0.18 M M M M
5/13/2019 7:00 AM 0.11 M M M M
5/14/2019 7:00 AM 0.00 0.0 M M M
5/15/2019 7:00 AM 0.00 0.0 M M M
5/16/2019 7:00 AM 0.00 0.0 M M M
5/17/2019 7:00 AM 1.01 M M M M
5/18/2019 7:00 AM 0.06 M M M M
5/19/2019 7:00 AM 0.49 M M M M
5/20/2019 7:00 AM 0.02 M M M M
5/21/2019 7:00 AM 0.35 M M M M
5/22/2019 7:00 AM 0.93 M M M M Leaf was stuck in funnel, may have been a bit more.
5/23/2019 7:00 AM 0.23 M M M M
5/28/2019 7:00 AM 0.42 M M M M
5/29/2019 6:36 AM 1.16 M M M M
5/30/2019 7:00 AM 0.34 M M M M
5/31/2019 7:00 AM T M M M M
6/1/2019 7:00 AM 0.00 0.0 M M M
6/2/2019 7:00 AM 0.32 M M M M
6/3/2019 7:00 AM 0.00 M M M M
6/4/2019 7:00 AM 0.01 M M M M
6/5/2019 7:00 AM 0.73 M M M M
9/22/2019 8:00 AM 1.11 M M M M
9/23/2019 7:00 AM 0.56 M M M M
9/28/2019 7:45 AM 5.13 M M M M
9/29/2019 9:30 AM 0.64 M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
4/29/2019 4/30/2019 7:00 AM 2 1.50 M M
5/26/2019 5/27/2019 7:00 AM 2 0.15 M M
6/6/2019 6/23/2019 7:00 AM 18 1.74 M M
6/24/2019 6/27/2019 7:00 AM 4 0.97 M M
6/28/2019 7/03/2019 7:00 AM 6 1.49 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