Station Overview Station Location
Station Number IL-LK-27 Latitude 42.471722
Station Name Winthrop Harbor 0.7 SSW Longitude -87.835161
County Lake Elevation (ft) 673



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 11 2.89 1.90 27 1.90 26 0.00 1 0 13 0 0.0 0 0
Nov 11 2.85 3.13 26 0.98 16 2.15 10 1 2 0 0.0 0 0
Dec 11 2.14 1.96 31 1.96 31 0.00 0 0 12 2 0.7 1 2
Jan 12 1.74 0.04 12 0.04 12 0.00 0 0 1 1 0.0 0 0
Feb 12 1.55 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
March 12 2.23 2.57 6 2.57 6 0.00 0 0 6 0 0.0 0 0
April 12 3.60 3.29 9 3.29 9 0.00 0 0 9 0 0.0 0 0
May 12 3.98 2.14 9 2.14 9 0.00 0 0 9 0 0.0 0 0
June 12 3.72 0.97 6 0.97 6 0.00 0 0 4 0 0.0 0 0
July 12 3.54 2.92 10 2.92 10 0.00 0 0 9 1 0.0 0 0
Aug 12 3.95 2.26 8 2.26 8 0.00 0 0 7 1 0.0 0 0
Sept 12 3.47 2.49 12 2.49 12 0.00 0 0 12 0 0.0 0 0
Water Year Totals: 35.66" 23.67" 156 days 21.52" 145 2.15" 11 days 1 84 days 5 days 0.7" 1 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
10/1/2011 0.02
10/2/2011 0.00
10/3/2011 0.00
10/4/2011 0.00
10/5/2011 0.00
10/6/2011 0.00
10/7/2011 0.00
10/8/2011 0.00
10/9/2011 0.00
10/10/2011 0.00
10/11/2011 0.00
10/12/2011 0.00
10/13/2011 0.12
10/14/2011 0.40
10/15/2011
10/16/2011 0.01
10/17/2011 0.00
10/18/2011
10/19/2011 0.05
10/20/2011 0.85
10/21/2011 0.05
10/22/2011
10/23/2011
10/24/2011 0.33
10/25/2011 0.01
10/26/2011 0.01
10/27/2011 0.01
10/28/2011 0.02
10/29/2011 0.02
10/30/2011 0.00
10/31/2011 **
11/1/2011 **
11/2/2011 **
11/3/2011 **
11/4/2011 **
11/5/2011 **
11/6/2011 **
11/7/2011 **
11/8/2011 **
11/9/2011 **
11/10/2011 2.15
11/11/2011 0.00
11/12/2011 0.00
11/13/2011 0.00
11/14/2011
11/15/2011 0.00
11/16/2011 0.00
11/17/2011 0.00
11/18/2011 0.00
11/19/2011 0.00
11/20/2011 0.00
11/21/2011 0.00
11/22/2011
11/23/2011 0.12
11/24/2011 0.00
11/25/2011 0.00
11/26/2011 0.00
11/27/2011 0.86
11/28/2011 0.00
11/29/2011
11/30/2011
12/1/2011 0.00
12/2/2011 0.10
12/3/2011 0.13
12/4/2011 0.19
12/5/2011 0.00
12/6/2011 0.05
12/7/2011 0.00
12/8/2011 0.00
12/9/2011 T
12/10/2011 0.00
12/11/2011 0.00
12/12/2011 0.00
12/13/2011 0.00
12/14/2011 0.55
12/15/2011 0.21
12/16/2011 0.00
12/17/2011 0.07
12/18/2011 0.00
12/19/2011 0.00
12/20/2011 0.00
12/21/2011 0.08
12/22/2011 0.03
12/23/2011 0.00
12/24/2011 0.00
12/25/2011 0.00
12/26/2011 0.00
12/27/2011 0.01
12/28/2011 0.00
12/29/2011 T
12/30/2011 0.20
12/31/2011 0.34
Day of YearDaily PrcpMultiday Prcp
1/1/2012 0.04
1/2/2012 T
1/3/2012 0.00
1/4/2012 0.00
1/5/2012 0.00
1/6/2012 0.00
1/7/2012 0.00
1/8/2012 0.00
1/9/2012 0.00
1/10/2012 0.00
1/11/2012 0.00
1/12/2012 0.00
1/13/2012
1/14/2012
1/15/2012
1/16/2012
1/17/2012
1/18/2012
1/19/2012
1/20/2012
1/21/2012
1/22/2012
1/23/2012
1/24/2012
1/25/2012
1/26/2012
1/27/2012
1/28/2012
1/29/2012
1/30/2012
1/31/2012
2/1/2012
2/2/2012
2/3/2012
2/4/2012
2/5/2012
2/6/2012
2/7/2012
2/8/2012
2/9/2012
2/10/2012
2/11/2012
2/12/2012
2/13/2012
2/14/2012
2/15/2012
2/16/2012
2/17/2012
2/18/2012
2/19/2012
2/20/2012
2/21/2012
2/22/2012
2/23/2012
2/24/2012
2/25/2012
2/26/2012
2/27/2012
2/28/2012
2/29/2012
3/1/2012
3/2/2012
3/3/2012
3/4/2012
3/5/2012
3/6/2012
3/7/2012
3/8/2012 0.35
3/9/2012
3/10/2012
3/11/2012
3/12/2012 0.18
3/13/2012 0.69
3/14/2012
3/15/2012
3/16/2012
3/17/2012
3/18/2012
3/19/2012
3/20/2012
3/21/2012
3/22/2012
3/23/2012 0.09
3/24/2012 1.03
3/25/2012
3/26/2012
3/27/2012
3/28/2012
3/29/2012
3/30/2012 0.23
3/31/2012
Day of YearDaily PrcpMultiday Prcp
4/1/2012 0.03
4/2/2012
4/3/2012
4/4/2012
4/5/2012
4/6/2012
4/7/2012
4/8/2012
4/9/2012
4/10/2012
4/11/2012
4/12/2012
4/13/2012
4/14/2012
4/15/2012 1.49
4/16/2012 0.27
4/17/2012 0.01
4/18/2012
4/19/2012
4/20/2012 0.50
4/21/2012
4/22/2012
4/23/2012
4/24/2012
4/25/2012
4/26/2012 0.32
4/27/2012
4/28/2012 0.18
4/29/2012 0.19
4/30/2012 0.30
5/1/2012
5/2/2012 0.01
5/3/2012
5/4/2012 0.02
5/5/2012 0.08
5/6/2012
5/7/2012 1.15
5/8/2012 0.14
5/9/2012
5/10/2012
5/11/2012
5/12/2012
5/13/2012
5/14/2012
5/15/2012
5/16/2012 0.01
5/17/2012
5/18/2012
5/19/2012
5/20/2012
5/21/2012
5/22/2012
5/23/2012
5/24/2012
5/25/2012
5/26/2012 0.53
5/27/2012 0.09
5/28/2012
5/29/2012
5/30/2012
5/31/2012 0.11
6/1/2012 0.65
6/2/2012 0.00
6/3/2012
6/4/2012
6/5/2012
6/6/2012
6/7/2012
6/8/2012
6/9/2012
6/10/2012
6/11/2012
6/12/2012
6/13/2012
6/14/2012
6/15/2012
6/16/2012
6/17/2012 0.24
6/18/2012 0.02
6/19/2012
6/20/2012
6/21/2012 0.00
6/22/2012
6/23/2012
6/24/2012
6/25/2012
6/26/2012
6/27/2012
6/28/2012
6/29/2012
6/30/2012 0.06
Day of YearDaily PrcpMultiday Prcp
7/1/2012
7/2/2012
7/3/2012
7/4/2012
7/5/2012
7/6/2012 T
7/7/2012
7/8/2012
7/9/2012
7/10/2012
7/11/2012
7/12/2012
7/13/2012
7/14/2012 0.24
7/15/2012
7/16/2012
7/17/2012
7/18/2012
7/19/2012 1.88
7/20/2012 0.01
7/21/2012
7/22/2012
7/23/2012
7/24/2012 0.55
7/25/2012 0.04
7/26/2012 0.06
7/27/2012 0.01
7/28/2012
7/29/2012
7/30/2012 0.01
7/31/2012 0.12
8/1/2012
8/2/2012
8/3/2012
8/4/2012
8/5/2012 0.09
8/6/2012
8/7/2012
8/8/2012
8/9/2012 T
8/10/2012 1.05
8/11/2012
8/12/2012
8/13/2012
8/14/2012 0.14
8/15/2012 0.02
8/16/2012
8/17/2012 0.71
8/18/2012
8/19/2012
8/20/2012
8/21/2012 0.04
8/22/2012
8/23/2012
8/24/2012
8/25/2012
8/26/2012
8/27/2012 0.21
8/28/2012
8/29/2012
8/30/2012
8/31/2012
9/1/2012
9/2/2012 0.37
9/3/2012
9/4/2012 0.55
9/5/2012 0.30
9/6/2012 0.04
9/7/2012 0.01
9/8/2012 0.07
9/9/2012 0.38
9/10/2012
9/11/2012
9/12/2012
9/13/2012
9/14/2012 0.22
9/15/2012
9/16/2012
9/17/2012
9/18/2012 0.11
9/19/2012
9/20/2012 0.01
9/21/2012
9/22/2012 0.42
9/23/2012 0.01
9/24/2012
9/25/2012
9/26/2012
9/27/2012
9/28/2012
9/29/2012
9/30/2012



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2011 9:55 AM 0.02 M M M M
10/2/2011 7:30 AM 0.00 0.0 M M M Clear & calm but FIRST FROST of the season!!
10/3/2011 7:00 AM 0.00 0.0 M M M
10/4/2011 7:15 AM 0.00 0.0 M M M
10/5/2011 6:30 AM 0.00 0.0 M M M
10/6/2011 8:30 AM 0.00 0.0 M M M
10/7/2011 6:15 AM 0.00 0.0 M M M
10/8/2011 10:40 AM 0.00 0.0 M M M
10/9/2011 8:30 AM 0.00 0.0 M M M
10/10/2011 7:30 AM 0.00 0.0 M M M
10/11/2011 8:00 AM 0.00 0.0 M M M
10/12/2011 8:00 AM 0.00 0.0 M M M
10/13/2011 8:30 AM 0.12 M M M M
10/14/2011 7:10 AM 0.40 M M M M
10/16/2011 7:30 AM 0.01 M M M M
10/17/2011 7:30 AM 0.00 0.0 M M M
10/19/2011 8:30 AM 0.05 M M M M
10/20/2011 8:00 AM 0.85 M M M M
10/21/2011 7:45 AM 0.05 M M M M Light frost on the ground & rooftops.
10/24/2011 8:00 AM 0.33 M M M M
10/25/2011 7:45 AM 0.01 M M M M
10/26/2011 9:00 AM 0.01 M M M M
10/27/2011 8:30 AM 0.01 M M M M
10/28/2011 8:30 AM 0.02 M M M M Small pea size hail fell for approx. 5 mins. at 4:15 PM on 10/27/11.
10/29/2011 8:30 AM 0.02 M M M M
10/30/2011 7:30 AM 0.00 0.0 M M M
11/11/2011 8:00 AM 0.00 0.0 M M M
11/12/2011 9:00 AM 0.00 0.0 M M M
11/13/2011 8:20 AM 0.00 0.0 M M M
11/15/2011 7:30 AM 0.00 0.0 M M M
11/16/2011 7:30 AM 0.00 0.0 M M M
11/17/2011 8:00 AM 0.00 0.0 M M M
11/18/2011 8:00 AM 0.00 0.0 M M M
11/19/2011 7:10 AM 0.00 0.0 M M M
11/20/2011 9:00 AM 0.00 0.0 M M M
11/21/2011 8:15 AM 0.00 0.0 M M M
11/23/2011 8:45 AM 0.12 M M M M
11/24/2011 9:10 AM 0.00 0.0 M M M
11/25/2011 7:30 AM 0.00 0.0 M M M
11/26/2011 8:45 AM 0.00 0.0 M M M
11/27/2011 7:45 AM 0.86 M M M M
11/28/2011 7:40 AM 0.00 0.0 M M M
12/1/2011 7:55 AM 0.00 0.0 M M M
12/2/2011 8:30 AM 0.10 T 0.10 T M Snow was very crystalline and frozen rather than powdery.
12/3/2011 8:30 AM 0.13 M M M M
12/4/2011 9:00 AM 0.19 M M M M
12/5/2011 6:50 AM 0.00 0.0 M M M
12/6/2011 7:00 AM 0.05 M M M M
12/7/2011 6:50 AM 0.00 0.0 M M M
12/8/2011 6:50 AM 0.00 0.0 M M M
12/9/2011 8:45 AM T T T T M
12/10/2011 8:00 AM 0.00 0.0 M M M
12/11/2011 7:00 AM 0.00 0.0 M M M
12/12/2011 8:00 AM 0.00 0.0 M M M
12/13/2011 8:00 AM 0.00 0.0 M M M
12/14/2011 9:00 AM 0.55 M M M M
12/15/2011 8:45 AM 0.21 M M M M
12/16/2011 8:30 AM 0.00 0.0 M M M
12/17/2011 9:00 AM 0.07 0.7 0.07 0.7 M
12/18/2011 9:00 AM 0.00 0.0 M 0.5 M
12/19/2011 8:00 AM 0.00 0.0 M 0.0 M
12/20/2011 8:30 AM 0.00 0.0 M 0.0 M
12/21/2011 9:00 AM 0.08 M M M M
12/22/2011 7:00 AM 0.03 0.0 M M M
12/23/2011 9:00 AM 0.00 0.0 M M M
12/24/2011 7:00 AM 0.00 0.0 M M M
12/25/2011 7:00 AM 0.00 0.0 M M M
12/26/2011 8:15 AM 0.00 0.0 M M M
12/27/2011 8:55 AM 0.01 0.0 M M M
12/28/2011 9:00 AM 0.00 0.0 M M M
12/29/2011 7:00 AM T 0.0 0.00 M M
12/30/2011 8:40 AM 0.20 0.0 M M M
12/31/2011 7:00 AM 0.34 M M M M
1/1/2012 8:00 AM 0.04 0.0 M M M Rain changed to snow flakes right at time of reading.
1/2/2012 8:30 AM T T T M M
1/3/2012 9:00 AM 0.00 0.0 M M M
1/4/2012 9:00 AM 0.00 0.0 M M M
1/5/2012 8:45 AM 0.00 0.0 M M M
1/6/2012 8:30 AM 0.00 0.0 M M M
1/7/2012 8:00 AM 0.00 0.0 M M M
1/8/2012 7:45 AM 0.00 0.0 M M M
1/9/2012 7:30 AM 0.00 0.0 M M M
1/10/2012 7:45 AM 0.00 0.0 M M M
1/11/2012 6:45 AM 0.00 0.0 M M M
1/12/2012 7:00 AM 0.00 0.0 M M M
3/8/2012 8:00 AM 0.35 M M M M
3/12/2012 7:20 AM 0.18 M M M M
3/13/2012 7:30 AM 0.69 M M M M
3/23/2012 8:30 AM 0.09 M M M M
3/24/2012 8:30 AM 1.03 M M M M
3/30/2012 8:15 AM 0.23 M M M M
4/1/2012 7:10 AM 0.03 M M M M
4/15/2012 6:40 AM 1.49 M M M M
4/16/2012 7:00 AM 0.27 M M M M
4/17/2012 7:30 AM 0.01 M M M M
4/20/2012 6:50 AM 0.50 M M M M
4/26/2012 6:50 AM 0.32 M M M M
4/28/2012 7:00 AM 0.18 M M M M
4/29/2012 7:20 AM 0.19 M M M M
4/30/2012 7:15 AM 0.30 M M M M
5/2/2012 7:00 AM 0.01 M M M M
5/4/2012 7:20 AM 0.02 M M M M
5/5/2012 7:30 AM 0.08 M M M M
5/7/2012 7:05 AM 1.15 M M M M
5/8/2012 6:45 AM 0.14 M M M M
5/16/2012 7:00 AM 0.01 M M M M
5/26/2012 7:05 AM 0.53 M M M M
5/27/2012 6:45 AM 0.09 M M M M
5/31/2012 6:45 AM 0.11 M M M M
6/1/2012 7:30 AM 0.65 M M M M
6/2/2012 7:00 AM 0.00 0.0 M M M
6/17/2012 8:00 AM 0.24 M M M M
6/18/2012 6:30 AM 0.02 M M M M
6/21/2012 6:00 AM 0.00 0.0 M M M
6/30/2012 7:30 AM 0.06 M M M M
7/6/2012 8:30 AM T M M M M
7/14/2012 6:20 AM 0.24 M M M M
7/19/2012 6:30 AM 1.88 M M M M
7/20/2012 7:00 AM 0.01 M M M M Misted occasionally throughout the day yesterday.
7/24/2012 7:40 AM 0.55 M M M M
7/25/2012 6:45 AM 0.04 M M M M
7/26/2012 7:00 AM 0.06 M M M M
7/27/2012 7:30 AM 0.01 M M M M
7/30/2012 7:30 AM 0.01 M M M M
7/31/2012 7:50 AM 0.12 M M M M
8/5/2012 8:00 AM 0.09 M M M M
8/9/2012 7:00 AM T M M M M
8/10/2012 7:45 AM 1.05 M M M M
8/14/2012 8:30 AM 0.14 M M M M
8/15/2012 7:00 AM 0.02 M M M M
8/17/2012 8:00 AM 0.71 M M M M
8/21/2012 6:45 AM 0.04 M M M M
8/27/2012 6:45 AM 0.21 M M M M
9/2/2012 8:00 AM 0.37 M M M M
9/4/2012 7:00 AM 0.55 M M M M
9/5/2012 6:40 AM 0.30 M M M M
9/6/2012 8:00 AM 0.04 M M M M
9/7/2012 7:30 AM 0.01 M M M M
9/8/2012 7:00 AM 0.07 M M M M
9/9/2012 7:15 AM 0.38 M M M M
9/14/2012 8:00 AM 0.22 M M M M
9/18/2012 7:30 AM 0.11 M M M M
9/20/2012 7:15 AM 0.01 M M M M
9/22/2012 7:30 AM 0.42 M M M M
9/23/2012 8:30 AM 0.01 M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
10/31/2011 11/10/2011 4:30 PM 11 2.15 M M First snow occurred today (11/10/2011); no accumulation, but heavy flurries for approx. 30 mins.



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