Station Overview Station Location
Station Number IL-CK-107 Latitude 42.066893
Station Name Evanston 1.4 N Longitude -87.689812
County Cook Elevation (ft) 627



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 3.06 5.61 31 5.61 31 0.00 0 0 14 1 0.0 0 0
Nov 14 3.06 1.69 30 1.69 30 0.00 0 0 10 10 1.3 2 2
Dec 14 2.29 0.82 31 0.67 29 0.15 2 1 5 3 0.0 0 0
Jan 15 1.89 1.52 31 0.51 26 1.01 5 2 4 7 7.8 4 24
Feb 15 1.72 1.89 28 0.47 26 1.42 2 1 4 10 7.0 4 26
March 15 2.37 0.95 31 0.95 31 0.00 0 0 7 1 9.2 5 20
April 15 3.49 1.70 30 1.70 30 0.00 0 0 13 1 0.0 0 0
May 15 4.00 5.26 31 5.26 31 0.00 0 0 17 1 0.0 0 0
June 15 3.90 5.16 30 5.16 30 0.00 0 0 17 0 0.0 0 0
July 15 3.67 4.10 31 4.10 30 0.00 1 0 6 3 0.0 0 0
Aug 15 4.44 4.11 31 2.63 23 1.48 8 1 6 2 0.0 0 0
Sept 15 3.38 5.33 30 5.33 30 0.00 0 0 7 4 0.0 0 0
Water Year Totals: 37.27" 38.14" 365 days 34.08" 347 4.06" 18 days 5 110 days 43 days 25.3" 15 days 72 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 0.03
10/2/2014 0.00
10/3/2014 2.81
10/4/2014 0.10
10/5/2014 0.05
10/6/2014 0.03
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 0.02
10/14/2014 0.53
10/15/2014 1.83
10/16/2014 0.02
10/17/2014 0.03
10/18/2014 0.01
10/19/2014 0.11
10/20/2014 0.02
10/21/2014 0.00
10/22/2014 T
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 0.00
10/29/2014 0.00
10/30/2014 0.00
10/31/2014 0.02
11/1/2014 0.12
11/2/2014 0.00
11/3/2014 0.00
11/4/2014 0.01
11/5/2014 T
11/6/2014 T
11/7/2014 0.00
11/8/2014 0.02
11/9/2014 0.00
11/10/2014 0.00
11/11/2014 0.01
11/12/2014 0.30
11/13/2014 T
11/14/2014 0.00
11/15/2014 0.00
11/16/2014 0.03
11/17/2014 T
11/18/2014 0.01
11/19/2014 T
11/20/2014 T
11/21/2014 0.00
11/22/2014 0.02
11/23/2014 T
11/24/2014 0.83
11/25/2014 0.34
11/26/2014 0.00
11/27/2014 T
11/28/2014 T
11/29/2014 T
11/30/2014 0.00
12/1/2014 0.00
12/2/2014 0.00
12/3/2014 0.00
12/4/2014 0.00
12/5/2014 0.00
12/6/2014 0.00
12/7/2014 0.00
12/8/2014 0.02
12/9/2014 0.19
12/10/2014 0.04
12/11/2014 0.00
12/12/2014 0.00
12/13/2014 0.00
12/14/2014 0.00
12/15/2014 **
12/16/2014 0.15
12/17/2014 T
12/18/2014 0.00
12/19/2014 T
12/20/2014 0.00
12/21/2014 0.00
12/22/2014 0.00
12/23/2014 0.37
12/24/2014 0.00
12/25/2014 0.05
12/26/2014 0.00
12/27/2014 T
12/28/2014 0.00
12/29/2014 0.00
12/30/2014 0.00
12/31/2014 0.00
Day of YearDaily PrcpMultiday Prcp
1/1/2015 0.00
1/2/2015 0.00
1/3/2015 **
1/4/2015 0.83
1/5/2015 T
1/6/2015 0.17
1/7/2015 0.00
1/8/2015 0.00
1/9/2015 0.18
1/10/2015 0.00
1/11/2015 0.00
1/12/2015 0.14
1/13/2015 0.02
1/14/2015 T
1/15/2015 0.00
1/16/2015 0.00
1/17/2015 0.00
1/18/2015 T
1/19/2015 0.00
1/20/2015 T
1/21/2015 0.00
1/22/2015 T
1/23/2015 0.00
1/24/2015 T
1/25/2015 **
1/26/2015 **
1/27/2015 0.18
1/28/2015 0.00
1/29/2015 T
1/30/2015 0.00
1/31/2015 0.00
2/1/2015 **
2/2/2015 1.42
2/3/2015 0.00
2/4/2015 0.09
2/5/2015 T
2/6/2015 0.00
2/7/2015 0.00
2/8/2015 0.00
2/9/2015 T
2/10/2015 T
2/11/2015 0.00
2/12/2015 T
2/13/2015 T
2/14/2015 T
2/15/2015 T
2/16/2015 0.11
2/17/2015 T
2/18/2015 T
2/19/2015 0.00
2/20/2015 0.00
2/21/2015 0.00
2/22/2015 0.00
2/23/2015 0.00
2/24/2015 0.00
2/25/2015 T
2/26/2015 0.23
2/27/2015 0.04
2/28/2015 0.00
3/1/2015 0.02
3/2/2015 0.00
3/3/2015 0.11
3/4/2015 0.00
3/5/2015 0.00
3/6/2015 0.00
3/7/2015 0.00
3/8/2015 0.00
3/9/2015 0.00
3/10/2015 0.00
3/11/2015 0.00
3/12/2015 0.00
3/13/2015 0.00
3/14/2015 0.00
3/15/2015 0.00
3/16/2015 0.00
3/17/2015 0.00
3/18/2015 0.00
3/19/2015 0.00
3/20/2015 0.00
3/21/2015 0.00
3/22/2015 0.00
3/23/2015 0.27
3/24/2015 0.25
3/25/2015 0.26
3/26/2015 0.00
3/27/2015 0.01
3/28/2015 0.00
3/29/2015 0.00
3/30/2015 0.03
3/31/2015 T
Day of YearDaily PrcpMultiday Prcp
4/1/2015 0.00
4/2/2015 0.18
4/3/2015 0.02
4/4/2015 T
4/5/2015 0.00
4/6/2015 0.00
4/7/2015 0.02
4/8/2015 0.02
4/9/2015 0.14
4/10/2015 0.00
4/11/2015 0.00
4/12/2015 0.00
4/13/2015 0.25
4/14/2015 0.02
4/15/2015 0.00
4/16/2015 0.23
4/17/2015 0.00
4/18/2015 0.00
4/19/2015 0.00
4/20/2015 0.63
4/21/2015 0.02
4/22/2015 0.03
4/23/2015 0.00
4/24/2015 0.00
4/25/2015 0.08
4/26/2015 0.06
4/27/2015 0.00
4/28/2015 0.00
4/29/2015 0.00
4/30/2015 0.00
5/1/2015 0.00
5/2/2015 0.00
5/3/2015 0.00
5/4/2015 0.24
5/5/2015 0.85
5/6/2015 0.04
5/7/2015 0.00
5/8/2015 0.01
5/9/2015 2.18
5/10/2015 0.10
5/11/2015 0.02
5/12/2015 0.14
5/13/2015 0.00
5/14/2015 0.00
5/15/2015 0.29
5/16/2015 0.01
5/17/2015 T
5/18/2015 0.00
5/19/2015 0.00
5/20/2015 0.00
5/21/2015 0.06
5/22/2015 0.00
5/23/2015 0.00
5/24/2015 0.00
5/25/2015 0.23
5/26/2015 0.13
5/27/2015 0.49
5/28/2015 0.01
5/29/2015 0.00
5/30/2015 0.02
5/31/2015 0.44
6/1/2015 0.00
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 0.37
6/9/2015 0.25
6/10/2015 0.00
6/11/2015 0.00
6/12/2015 0.42
6/13/2015 0.14
6/14/2015 0.99
6/15/2015 0.05
6/16/2015 1.64
6/17/2015 0.03
6/18/2015 0.14
6/19/2015 0.06
6/20/2015 0.00
6/21/2015 0.16
6/22/2015 0.00
6/23/2015 0.19
6/24/2015 0.00
6/25/2015 0.49
6/26/2015 0.06
6/27/2015 0.14
6/28/2015 0.00
6/29/2015 0.02
6/30/2015 0.01
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 0.58
7/8/2015 0.00
7/9/2015 0.00
7/10/2015 0.00
7/11/2015 0.00
7/12/2015 0.04
7/13/2015 0.31
7/14/2015 0.05
7/15/2015 0.00
7/16/2015 0.00
7/17/2015 1.07
7/18/2015 T
7/19/2015 2.05
7/20/2015 0.00
7/21/2015 T
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 0.00
7/28/2015 0.00
7/29/2015 T
7/30/2015 0.00
7/31/2015 **
8/1/2015 **
8/2/2015 **
8/3/2015 **
8/4/2015 **
8/5/2015 **
8/6/2015 **
8/7/2015 **
8/8/2015 1.48
8/9/2015 0.00
8/10/2015 0.00
8/11/2015 0.16
8/12/2015 0.00
8/13/2015 0.00
8/14/2015 0.00
8/15/2015 0.26
8/16/2015 0.00
8/17/2015 0.00
8/18/2015 0.35
8/19/2015 1.17
8/20/2015 0.00
8/21/2015 0.00
8/22/2015 0.00
8/23/2015 0.00
8/24/2015 T
8/25/2015 0.00
8/26/2015 0.00
8/27/2015 0.00
8/28/2015 0.00
8/29/2015 0.41
8/30/2015 0.28
8/31/2015 T
9/1/2015 0.00
9/2/2015 0.00
9/3/2015 T
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 0.79
9/10/2015 0.00
9/11/2015 0.24
9/12/2015 0.62
9/13/2015 0.06
9/14/2015 0.00
9/15/2015 0.00
9/16/2015 0.00
9/17/2015 0.00
9/18/2015 2.63
9/19/2015 0.85
9/20/2015 0.00
9/21/2015 0.00
9/22/2015 0.00
9/23/2015 0.00
9/24/2015 0.00
9/25/2015 0.00
9/26/2015 0.00
9/27/2015 0.00
9/28/2015 T
9/29/2015 T
9/30/2015 0.14



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2014 7:00 AM 0.03 M M M M
10/2/2014 7:00 AM 0.00 0.0 M M M
10/3/2014 7:00 AM 2.81 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.6
10/4/2014 7:00 AM 0.10 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.6
10/5/2014 7:00 AM 0.05 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.6
10/6/2014 7:00 AM 0.03 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.6
10/7/2014 7:00 AM 0.00 0.0 M M M
10/8/2014 7:00 AM 0.00 0.0 M M M
10/9/2014 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.6
10/10/2014 7:00 AM 0.00 0.0 M M M
10/11/2014 7:00 AM 0.00 0.0 M M M
10/12/2014 7:00 AM 0.00 0.0 M M M
10/13/2014 7:00 AM 0.02 M M M M Absolutely perfect fall day! Picked 100 lbs of apples in Southern Michigan under the brilliant fall sun, followed by the high clouds of the approaching front. Dinner at "The Stray Dog" and a nice ride home into some drizzle as we approached O'Hare.
10/14/2014 7:00 AM 0.53 M M M M
10/15/2014 7:00 AM 1.83 M M M M Very steady rains, no thunder or lighting. Lots of clogged street drains from the falling leaves; typical for a fall storm.
10/16/2014 7:00 AM 0.02 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.6
10/17/2014 7:00 AM 0.03 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.6
10/18/2014 7:00 AM 0.01 M M M M
10/19/2014 7:00 AM 0.11 M M M M
10/20/2014 7:00 AM 0.02 M M M M
10/21/2014 7:00 AM 0.00 0.0 M M M
10/22/2014 7:00 AM T M M M M
10/23/2014 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.6
10/24/2014 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.6
10/25/2014 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.6
10/26/2014 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.6
10/27/2014 7:00 AM 0.00 0.0 M M M
10/28/2014 7:00 AM 0.00 0.0 M M M
10/29/2014 7:00 AM 0.00 0.0 M M M
10/30/2014 7:00 AM 0.00 0.0 M M M
10/31/2014 7:00 AM 0.02 M M M M
11/1/2014 7:00 AM 0.12 M M M M Really windy evening, snow and rain squalls coming ashore blowing sideways while the "Trick or Treaters" tried to collect their candy. Not the best Halloween.
11/2/2014 7:00 AM 0.00 0.0 M M M
11/3/2014 7:00 AM 0.00 0.0 M M M
11/4/2014 7:00 AM 0.01 M M M M
11/5/2014 7:00 AM T M M M M
11/6/2014 7:00 AM T M M M M
11/7/2014 7:00 AM 0.00 0.0 M M M
11/8/2014 7:00 AM 0.02 M M M M
11/9/2014 7:00 AM 0.00 0.0 M M M
11/10/2014 7:00 AM 0.00 0.0 M M M
11/11/2014 7:00 AM 0.01 M M M M
11/12/2014 7:00 AM 0.30 M M M M
11/13/2014 7:00 AM T T M T M Snow accumulated on the grass and on the windshield of my truck, but not for very long. Once the sum emerged, it melted quickly.
11/14/2014 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.6
11/15/2014 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.6
11/16/2014 7:00 AM 0.03 1.2 M 1.2 M Very light fluffy snow. Surface of snow very irregular and porous.
11/17/2014 7:00 AM T T M T M Almost all the snow melted by the afternoon. Now its really, really, COLD. Two weeks ago it was 62, this morning it was 11. Got to love Chicago!
11/18/2014 7:00 AM 0.01 T M T M
11/19/2014 7:00 AM T T M T M
11/20/2014 7:00 AM T T M M M
11/21/2014 7:00 AM 0.00 0.0 M M M Very Chilly morning! Early onset of winter not so fun.
11/22/2014 7:00 AM 0.02 M M M M
11/23/2014 7:00 AM T M M M M
11/24/2014 7:00 AM 0.83 M M M M Steady drizzle to light rain starting around 2:30 PM
11/25/2014 7:00 AM 0.34 0.1 M 0.1 M Submitted via CoCoRaHS Observer for Android version 1.1.6
11/26/2014 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.6
11/27/2014 7:00 AM T M M T M
11/28/2014 7:00 AM T T M T M
11/29/2014 7:00 AM T T M T M
11/30/2014 7:00 AM 0.00 0.0 M T M
12/1/2014 7:00 AM 0.00 0.0 M M M
12/2/2014 7:00 AM 0.00 0.0 M M M
12/3/2014 7:00 AM 0.00 0.0 M M M
12/4/2014 7:00 AM 0.00 0.0 M M M
12/5/2014 7:00 AM 0.00 0.0 M M M
12/6/2014 7:00 AM 0.00 0.0 M M M
12/7/2014 7:00 AM 0.00 0.0 M M M
12/8/2014 7:00 AM 0.02 M M M M
12/9/2014 7:00 AM 0.19 M M M M
12/10/2014 7:00 AM 0.04 M M M M
12/11/2014 7:00 AM 0.00 0.0 M M M
12/12/2014 7:00 AM 0.00 0.0 M M M
12/13/2014 7:00 AM 0.00 0.0 M M M
12/14/2014 7:00 AM 0.00 0.0 M M M
12/17/2014 7:00 AM T M M M M
12/18/2014 7:00 AM 0.00 0.0 M M M
12/19/2014 7:00 AM T T M M M Light snow was falling at the intersection of Dempster and McCormick (Evanston/Skokie) @ 21:15.
12/20/2014 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.9
12/21/2014 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.9
12/22/2014 7:00 AM 0.00 0.0 M M M
12/23/2014 7:00 AM 0.37 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.9
12/24/2014 7:00 AM 0.00 0.0 M M M
12/25/2014 7:00 AM 0.05 M M M M
12/26/2014 7:00 AM 0.00 0.0 M M M
12/27/2014 7:00 AM T M M M M
12/28/2014 7:00 AM 0.00 0.0 M M M
12/29/2014 7:00 AM 0.00 0.0 M M M
12/30/2014 7:00 AM 0.00 0.0 M M M
12/31/2014 7:00 AM 0.00 0.0 M M M
1/1/2015 7:00 AM 0.00 0.0 M M M
1/2/2015 7:00 AM 0.00 0.0 M M M
1/5/2015 7:00 AM T T M 1.6 M
1/6/2015 7:00 AM 0.17 2.2 M 4.5 M
1/7/2015 7:00 AM 0.00 0.0 M 4.0 M
1/8/2015 7:00 AM 0.00 0.0 M 4.0 M
1/9/2015 7:00 AM 0.18 2.6 M 5.5 M
1/10/2015 7:00 AM 0.00 0.0 M 5.5 M
1/11/2015 7:00 AM 0.00 0.0 M 5.0 M
1/12/2015 7:00 AM 0.14 2.6 M 6.0 M
1/13/2015 7:00 AM 0.02 0.4 M 6.0 M Snow as light as air. Looked over an inch deep in the large cylinder, but once it melted, it was almost no water at all.
1/14/2015 7:00 AM T T M 6.0 M
1/15/2015 7:00 AM 0.00 0.0 M 5.5 M
1/16/2015 7:00 AM 0.00 0.0 M 5.0 M
1/17/2015 7:00 AM 0.00 0.0 M 4.5 M
1/18/2015 7:00 AM T T M 1.5 M
1/19/2015 7:00 AM 0.00 0.0 M 1.5 M
1/20/2015 7:00 AM T M M 1.0 M Some bare ground areas, but most of the ground around us still has at least an inch of snow/ice.
1/21/2015 7:00 AM 0.00 0.0 M 1.0 M
1/22/2015 7:00 AM T M M 1.0 M
1/23/2015 7:00 AM 0.00 0.0 M 1.0 M
1/24/2015 7:00 AM T T M 1.0 M
1/28/2015 7:00 AM 0.00 0.0 M 2.0 M
1/29/2015 7:00 AM T T M 1.5 M
1/30/2015 7:00 AM 0.00 0.0 M 1.5 M
1/31/2015 7:00 AM 0.00 0.0 M 1.0 M
2/3/2015 7:00 AM 0.00 0.0 M 18.0 M
2/4/2015 7:00 AM 0.09 1.1 M 19.0 M
2/5/2015 7:00 AM T T M 19.0 M
2/6/2015 7:00 AM 0.00 0.0 M 15.0 M
2/7/2015 7:00 AM 0.00 0.0 M 14.0 M
2/8/2015 7:00 AM 0.00 0.0 M 13.5 M
2/9/2015 7:00 AM T M M 13.0 M
2/10/2015 7:00 AM T T M 13.0 M
2/11/2015 7:00 AM 0.00 0.0 M 12.0 M
2/12/2015 7:00 AM T T M 12.0 M
2/13/2015 7:00 AM T T M 11.5 M
2/14/2015 7:00 AM T T M 11.0 M
2/15/2015 7:00 AM T T M 11.0 M
2/16/2015 7:00 AM 0.11 2.1 M 13.0 M
2/17/2015 7:00 AM T T M 13.0 M Lake effect flurries, no accumulation.
2/18/2015 7:00 AM T T M 12.5 M
2/19/2015 7:00 AM 0.00 0.0 M 12.0 M
2/20/2015 7:00 AM 0.00 0.0 M 11.0 M
2/21/2015 7:00 AM 0.00 0.0 M 11.0 M
2/22/2015 7:00 AM 0.00 0.0 M 11.0 M
2/23/2015 7:00 AM 0.00 0.0 M 11.0 M
2/24/2015 7:00 AM 0.00 0.0 M 10.5 M
2/25/2015 7:00 AM T T M 10.5 M
2/26/2015 7:00 AM 0.23 3.2 M 13.0 M
2/27/2015 7:00 AM 0.04 0.6 M 13.0 M
2/28/2015 7:00 AM 0.00 0.0 M 13.0 M
3/1/2015 7:00 AM 0.02 0.3 M 12.5 M
3/2/2015 6:00 PM 0.00 0.0 M 12.0 2.28 Core Sample
3/3/2015 7:00 AM 0.11 0.7 M 12.5 M
3/4/2015 7:00 AM 0.00 0.0 M 11.0 M
3/5/2015 7:00 AM 0.00 0.0 M 10.5 M
3/6/2015 7:00 AM 0.00 0.0 M 10.0 M
3/7/2015 7:00 AM 0.00 0.0 M 9.5 M
3/8/2015 7:00 AM 0.00 0.0 M 8.5 M
3/9/2015 7:00 AM 0.00 0.0 M 8.0 M
3/10/2015 7:00 AM 0.00 0.0 M 6.0 M
3/11/2015 7:00 AM 0.00 0.0 M 5.0 M
3/12/2015 7:00 AM 0.00 0.0 M 4.0 M
3/13/2015 7:00 AM 0.00 0.0 M 1.0 M
3/14/2015 7:00 AM 0.00 0.0 M 0.5 M
3/15/2015 7:00 AM 0.00 0.0 M 0.5 M
3/16/2015 7:00 AM 0.00 0.0 M 0.5 M Still have 4-5 inch piles of snow out of direct sunlight several locations on my property and at neighbors nearby. Balance of the ground out of the shadows is clear though.
3/17/2015 7:00 AM 0.00 0.0 M M M Still small piles of snow in the shade. Winter hangs on with its icy fingers! Argh!
3/18/2015 7:00 AM 0.00 0.0 M M M Still a little snow in the corners. Winter lingers on. Thin ice still visible over most of the Skokie Lagoons (Forest Preserve Drive and Tower Rd; Winnetka)
3/19/2015 7:00 AM 0.00 0.0 M M M
3/20/2015 7:00 AM 0.00 0.0 M M M
3/21/2015 7:00 AM 0.00 0.0 M M M Still some snow piles around the area, but for the most part the snow has melted. Skokie Lagoons still have ice on then; very thin but still there.
3/22/2015 7:00 AM 0.00 0.0 M M M
3/23/2015 7:00 AM 0.27 2.6 M 2.6 M
3/24/2015 7:00 AM 0.25 5.3 M 5.3 0.68
3/25/2015 7:00 AM 0.26 M M 0.5 M Submitted via CoCoRaHS Observer for Android version 1.1.10
3/26/2015 7:00 AM 0.00 0.0 M T M Still piles in the shadows, but nearly gone.
3/27/2015 7:00 AM 0.01 0.3 M 0.3 M Thin layer of snow this morning. Once the sun peeked out it all started to melt. Not from the air temp in the 20's, but from the ground warming up.
3/28/2015 7:00 AM 0.00 0.0 M T M Chilly for March 28th! But the sun is bright and warm, makes you feel good to be awake and alive!
3/29/2015 7:00 AM 0.00 0.0 M M M
3/30/2015 7:00 AM 0.03 M M M M very brief light rain early. Mist in the evening around 7 PM.
3/31/2015 7:00 AM T M M M M
4/1/2015 7:00 AM 0.00 0.0 M M M
4/2/2015 7:00 AM 0.18 M M M M
4/3/2015 7:00 AM 0.02 M M M M
4/4/2015 7:00 AM T M M M M Light drizzle during the evening
4/5/2015 7:00 AM 0.00 0.0 M M M
4/6/2015 7:00 AM 0.00 0.0 M M M
4/7/2015 7:00 AM 0.02 M M M M
4/8/2015 7:00 AM 0.02 M M M M
4/9/2015 7:00 AM 0.14 M M M M
4/10/2015 7:00 AM 0.00 0.0 M M M
4/11/2015 7:00 AM 0.00 0.0 M M M
4/12/2015 7:00 AM 0.00 0.0 M M M
4/13/2015 7:00 AM 0.25 M M M M
4/14/2015 7:00 AM 0.02 M M M M
4/15/2015 7:00 AM 0.00 0.0 M M M
4/16/2015 7:00 AM 0.23 M M M M
4/17/2015 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
4/18/2015 7:00 AM 0.00 0.0 M M M
4/19/2015 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
4/20/2015 7:00 AM 0.63 M M M M Still misting
4/21/2015 7:00 AM 0.02 M M M M
4/22/2015 7:00 AM 0.03 M M M M Had some snow this morning. Built up in the cone and then melted. Snow remained on the wood surfaces until it warmed up a little after sunrise.
4/23/2015 7:00 AM 0.00 0.0 M M M Chilly out there early.
4/24/2015 7:00 AM 0.00 0.0 M M M
4/25/2015 7:00 AM 0.08 M M M M
4/26/2015 7:00 AM 0.06 M M M M
4/27/2015 7:00 AM 0.00 0.0 M M M A bit chilly over here near the lake.
4/28/2015 7:00 AM 0.00 0.0 M M M
4/29/2015 7:00 AM 0.00 0.0 M M M
4/30/2015 7:00 AM 0.00 0.0 M M M
5/1/2015 7:00 AM 0.00 0.0 M M M
5/2/2015 7:00 AM 0.00 0.0 M M M
5/3/2015 7:00 AM 0.00 0.0 M M M
5/4/2015 7:00 AM 0.24 0.0 M M M
5/5/2015 7:00 AM 0.85 M M M M still raining now
5/6/2015 7:00 AM 0.04 M M M M Traces of condensed fog on the mouth of the rain gauge. Very thick fog, less than 1/8 mile visibility several times throughout the morning and north from our location along areas close to the lakefront. Thickest fog I've seen since my Navy days piloting the destroyer into Boston Harbor by RADAR and fog horn back in 1988!
5/7/2015 7:00 AM 0.00 0.0 M M M Still some fog late yesterday afternoon. Clear and warmer this morning.
5/8/2015 7:00 AM 0.01 M M M M Very light rain last night around midnight
5/9/2015 7:00 AM 2.18 M M M M initial rain before midnight 1.65", after midnight 0.53". total 2.18"
5/10/2015 7:00 AM 0.10 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
5/11/2015 7:00 AM 0.02 M M M M
5/12/2015 7:00 AM 0.14 M M M M
5/13/2015 7:00 AM 0.00 0.0 M M M
5/14/2015 7:00 AM 0.00 0.0 M M M
5/15/2015 7:00 AM 0.29 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
5/16/2015 7:00 AM 0.01 M M M M
5/17/2015 7:00 AM T M M M M
5/18/2015 7:00 AM 0.00 0.0 M M M
5/19/2015 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
5/20/2015 7:00 AM 0.00 0.0 M M M
5/21/2015 7:00 AM 0.06 M M M M
5/22/2015 7:00 AM 0.00 0.0 M M M
5/23/2015 7:00 AM 0.00 0.0 M M M
5/24/2015 7:00 AM 0.00 0.0 M M M
5/25/2015 7:00 AM 0.23 M M M M
5/26/2015 7:00 AM 0.13 M M M M
5/27/2015 7:00 AM 0.49 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
5/28/2015 7:00 AM 0.01 M M M M
5/29/2015 7:00 AM 0.00 0.0 M M M
5/30/2015 7:00 AM 0.02 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
5/31/2015 7:00 AM 0.44 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
6/1/2015 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
6/2/2015 7:00 AM 0.00 0.0 M M M
6/3/2015 7:00 AM 0.00 0.0 M M M
6/4/2015 7:00 AM 0.00 0.0 M M M
6/5/2015 7:00 AM 0.00 0.0 M M M
6/6/2015 7:00 AM 0.00 0.0 M M M
6/7/2015 7:00 AM 0.00 0.0 M M M
6/8/2015 7:00 AM 0.37 M M M M initial rain began right around 8:30 AM and total was 0.34", remaining 0.03" fell over the entire day. Storms all around us, but most missed the north quadrant of Evanston.
6/9/2015 7:00 AM 0.25 M M M M 1/4" to 3/8" hail fell during the heaviest part of the rainfall.
6/10/2015 7:00 AM 0.00 0.0 M M M
6/11/2015 7:00 AM 0.00 0.0 M M M
6/12/2015 7:00 AM 0.42 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
6/13/2015 7:00 AM 0.14 M M M M
6/14/2015 7:00 AM 0.99 M M M M Most of the rain fell overnight.
6/15/2015 7:00 AM 0.05 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
6/16/2015 7:00 AM 1.64 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
6/17/2015 7:00 AM 0.03 M M M M
6/18/2015 7:00 AM 0.14 M M M M
6/19/2015 7:00 AM 0.06 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
6/20/2015 7:00 AM 0.00 0.0 M M M
6/21/2015 7:00 AM 0.16 0.0 M M M
6/22/2015 7:00 AM 0.00 0.0 M M M
6/23/2015 7:00 AM 0.19 M M M M
6/24/2015 7:00 AM 0.00 0.0 M M M
6/25/2015 7:00 AM 0.49 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
6/26/2015 7:00 AM 0.06 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
6/27/2015 7:00 AM 0.14 M M M M
6/28/2015 7:00 AM 0.00 0.0 M M M
6/29/2015 7:00 AM 0.02 M M M M
6/30/2015 7:00 AM 0.01 M M M M
7/1/2015 7:00 AM 0.00 0.0 M M M
7/2/2015 7:00 AM 0.00 0.0 M M M
7/3/2015 7:00 AM 0.00 0.0 M M M
7/4/2015 7:00 AM 0.00 0.0 M M M
7/5/2015 7:00 AM 0.00 0.0 M M M
7/6/2015 7:00 AM 0.00 0.0 M M M
7/7/2015 7:00 AM 0.58 M M M M Early rain approached fast and was gone, (0.14" total , Heavy rain began @ 2:28 PM - 0.10" fell in just over 2 minutes , see duration notes.
7/8/2015 7:00 AM 0.00 0.0 M M M
7/9/2015 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
7/10/2015 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
7/11/2015 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
7/12/2015 7:00 AM 0.04 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
7/13/2015 7:00 AM 0.31 M M M M rain began @ 06:38, was nearly over by 07:00
7/14/2015 7:00 AM 0.05 M M M M
7/15/2015 7:00 AM 0.00 0.0 M M M
7/16/2015 7:00 AM 0.00 0.0 M M M
7/17/2015 7:00 AM 1.07 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
7/18/2015 7:00 AM T M M M M
7/19/2015 7:00 AM 2.05 M M M M 3:34 began, 3:39 (0.1), 3:41 (0.2), 3:42 (0.3), 3:44 (0.4), 3:46 (0.5), 3:48 (0.6), 3:49 (0.7), 3:51 (0.8), 3:53 (0.9), 3:55 (1.0) - Had to leave house for an hour; returned and was still raining at 5:00 PM. Rain stopped at 5:12 PM. 2.05" in just under 102 minutes!
7/20/2015 7:00 AM 0.00 0.0 M M M Nice but fairly hot day. Picked blueberries in NW Indiana - 41 pounds in 1 1/2 hours! Best crop we have seen in years.
7/21/2015 7:00 AM T M M M M
7/22/2015 7:00 AM 0.00 0.0 M M M Beautiful day by Lake Michigan. Weather is perfect, but as usual it will never last.
7/23/2015 7:00 AM 0.00 0.0 M M M
7/24/2015 7:00 AM 0.00 0.0 M M M
7/25/2015 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
7/26/2015 7:00 AM 0.00 0.0 M M M
7/27/2015 7:00 AM 0.00 0.0 M M M
7/28/2015 7:00 AM 0.00 0.0 M M M Hot and humid. Back to the Chicago weather of the 70's!
7/29/2015 7:00 AM T M M M M
7/30/2015 7:00 AM 0.00 0.0 M M M
8/9/2015 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
8/10/2015 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
8/11/2015 7:00 AM 0.16 M M M M
8/12/2015 7:00 AM 0.00 0.0 M M M
8/13/2015 7:00 AM 0.00 0.0 M M M
8/14/2015 7:00 AM 0.00 0.0 M M M
8/15/2015 7:00 AM 0.26 0.0 M M M
8/16/2015 7:00 AM 0.00 0.0 M M M
8/17/2015 7:00 AM 0.00 0.0 M M M
8/18/2015 7:00 AM 0.35 M M M M
8/19/2015 7:00 AM 1.17 M M M M
8/20/2015 7:00 AM 0.00 0.0 M M M
8/21/2015 7:00 AM 0.00 0.0 M M M
8/22/2015 7:00 AM 0.00 0.0 M M M
8/23/2015 7:00 AM 0.00 0.0 M M M
8/24/2015 7:00 AM T M M M M
8/25/2015 7:00 AM 0.00 0.0 M M M
8/26/2015 7:00 AM 0.00 0.0 M M M
8/27/2015 7:00 AM 0.00 0.0 M M M
8/28/2015 7:00 AM 0.00 0.0 M M M
8/29/2015 7:00 AM 0.41 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
8/30/2015 7:00 AM 0.28 M M M M Very dense fog late in the evening after 21:30, less than 1/4 mile visibility. Near zero in some areas. Fog lingering now.
8/31/2015 7:00 AM T M M M M Very heavy fog again this morning - under 1/4 mile mostly with complete white out in some areas. Condensation over all exterior surfaces. Burned off mostly by 09:30.
9/1/2015 7:00 AM 0.00 0.0 M M M
9/2/2015 7:00 AM 0.00 0.0 M M M HOT! Not a good day for man or beast. Thank God for Frigidaire inventing freon in 1930!
9/3/2015 7:00 AM T M M M M
9/4/2015 7:00 AM 0.00 0.0 M M M Rapid drop in temps last evening. Went in to a restaurant for dinner and it was stifling out, finished dinner and walked out to a cool breeze. Very surprising.
9/5/2015 7:00 AM 0.00 0.0 M M M
9/6/2015 7:00 AM 0.00 0.0 M M M
9/7/2015 7:00 AM 0.00 0.0 M M M
9/8/2015 7:00 AM T M M M M
9/9/2015 7:00 AM 0.79 M M M M Earlier rains that ended by 17:00 left 0.50". Later rains after 20:00 left 0.29"
9/10/2015 7:00 AM 0.00 0.0 M M M
9/11/2015 7:00 AM 0.24 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
9/12/2015 7:00 AM 0.62 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
9/13/2015 7:00 AM 0.06 M M M M Lake effect rains after 7:00 AM
9/14/2015 7:00 AM 0.00 0.0 M M M Absolutely beautiful day! Remember this one in January.
9/15/2015 7:00 AM 0.00 0.0 M M M
9/16/2015 7:00 AM 0.00 0.0 M M M
9/17/2015 7:00 AM 0.00 0.0 M M M
9/18/2015 7:00 AM 2.63 M M M M Early rain total was 0.87", secondary rain was 1.76"
9/19/2015 7:00 AM 0.85 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.13
9/20/2015 7:00 AM 0.00 0.0 M M M
9/21/2015 7:00 AM 0.00 0.0 M M M
9/22/2015 7:00 AM 0.00 0.0 M M M
9/23/2015 7:00 AM 0.00 0.0 M M M Another beautiful day! Remember this in late January!
9/24/2015 7:00 AM 0.00 0.0 M M M Another perfect day.
9/25/2015 7:00 AM 0.00 0.0 M M M
9/26/2015 7:00 AM 0.00 0.0 M M M
9/27/2015 7:00 AM 0.00 0.0 M M M
9/28/2015 7:00 AM T 0.0 M M M Misting in the morning 27 Sep, no accumulation though
9/29/2015 7:00 AM T M M M M
9/30/2015 7:00 AM 0.14 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.13



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
12/15/2014 12/16/2014 8:00 AM 2 0.15 0.0 0.00
1/3/2015 1/04/2015 7:00 AM 2 0.83 1.6 M
1/25/2015 1/27/2015 7:00 AM 3 0.18 2.2 M
2/1/2015 2/02/2015 9:00 AM 2 1.42 20.3 M Had to wait for snow to stop falling. Total precip may be a little off (low). Cylinder was filled to the top when I tapped it to settle the snow inside and make more room.
7/31/2015 8/08/2015 4:00 PM 9 1.48 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
6/9/2015 4:02 PM no hail pad. 5/8" 3/8" 1/4" Pea Size Mixed|White Ice 10 3min no damage Intermittent True After rain After smaller hail 30-40