Station Overview Station Location
Station Number IL-LK-39 Latitude 42.172643
Station Name Riverwoods 0.4 ENE Longitude -87.888369
County Lake Elevation (ft) 692



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 13 2.96 2.77 29 2.77 29 0.00 0 0 10 3 0.0 0 0
Nov 13 3.01 2.80 30 2.80 30 0.00 0 0 10 5 0.7 2 0
Dec 13 2.23 1.68 30 1.68 30 0.00 0 0 13 7 12.6 12 23
Jan 14 1.80 2.73 30 2.73 30 0.00 0 0 17 0 31.8 16 30
Feb 14 1.72 1.69 27 1.69 27 0.00 0 0 8 6 18.6 10 25
March 14 2.34 1.46 31 1.46 31 0.00 0 0 14 5 12.3 7 22
April 14 3.49 3.40 30 2.55 25 0.85 5 1 9 4 1.5 1 1
May 14 4.07 4.35 30 4.24 22 0.11 8 1 11 4 0.0 0 0
June 14 3.93 6.22 30 2.91 16 3.31 14 1 9 1 0.0 0 0
July 14 3.72 3.91 29 3.91 29 0.00 0 0 11 3 0.0 0 0
Aug 14 4.35 4.63 30 2.86 20 1.77 10 1 7 2 0.0 0 0
Sept 14 3.37 3.07 30 2.86 26 0.21 4 1 7 2 0.0 0 0
Water Year Totals: 36.99" 38.71" 356 days 32.46" 315 6.25" 41 days 5 126 days 42 days 77.5" 48 days 101 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
10/1/2013 0.00
10/2/2013 0.00
10/3/2013 0.00
10/4/2013 0.06
10/5/2013 0.01
10/6/2013 1.71
10/7/2013 T
10/8/2013 T
10/9/2013 0.00
10/10/2013
10/11/2013 0.00
10/12/2013 0.00
10/13/2013 0.13
10/14/2013 0.00
10/15/2013 0.00
10/16/2013 0.08
10/17/2013 0.04
10/18/2013 0.23
10/19/2013 0.00
10/20/2013 0.03
10/21/2013 0.03
10/22/2013 0.00
10/23/2013 0.00
10/24/2013 T
10/25/2013 0.00
10/26/2013 0.00
10/27/2013 0.00
10/28/2013
10/29/2013 0.00
10/30/2013 0.00
10/31/2013 0.45
11/1/2013 0.65
11/2/2013 0.08
11/3/2013 0.01
11/4/2013 0.00
11/5/2013 0.00
11/6/2013 0.45
11/7/2013 0.25
11/8/2013 T
11/9/2013 0.00
11/10/2013 0.00
11/11/2013 0.00
11/12/2013 0.21
11/13/2013 0.00
11/14/2013 0.00
11/15/2013 0.00
11/16/2013 T
11/17/2013 0.16
11/18/2013 0.87
11/19/2013 0.00
11/20/2013 0.00
11/21/2013 0.07
11/22/2013 0.05
11/23/2013 T
11/24/2013 0.00
11/25/2013 0.00
11/26/2013 T
11/27/2013 T
11/28/2013 0.00
11/29/2013 0.00
11/30/2013 0.00
12/1/2013 0.00
12/2/2013 0.00
12/3/2013 0.10
12/4/2013
12/5/2013 T
12/6/2013 0.00
12/7/2013 0.00
12/8/2013 0.00
12/9/2013 0.26
12/10/2013 T
12/11/2013 0.02
12/12/2013 T
12/13/2013 T
12/14/2013 0.14
12/15/2013 0.16
12/16/2013 0.00
12/17/2013 0.07
12/18/2013 T
12/19/2013 0.00
12/20/2013 0.19
12/21/2013 0.14
12/22/2013 0.40
12/23/2013 0.05
12/24/2013 T
12/25/2013 0.02
12/26/2013 0.09
12/27/2013 T
12/28/2013 0.00
12/29/2013 0.00
12/30/2013 0.00
12/31/2013 0.04
Day of YearDaily PrcpMultiday Prcp
1/1/2014 0.24
1/2/2014 0.47
1/3/2014 0.06
1/4/2014 0.00
1/5/2014 0.45
1/6/2014 0.21
1/7/2014 0.00
1/8/2014 0.00
1/9/2014 0.00
1/10/2014 0.02
1/11/2014 0.66
1/12/2014
1/13/2014 0.00
1/14/2014 0.00
1/15/2014 0.02
1/16/2014 0.00
1/17/2014 0.03
1/18/2014 0.02
1/19/2014 0.11
1/20/2014 0.00
1/21/2014 0.18
1/22/2014 0.00
1/23/2014 0.02
1/24/2014 0.00
1/25/2014 0.10
1/26/2014 0.12
1/27/2014 0.01
1/28/2014 0.00
1/29/2014 0.00
1/30/2014 0.00
1/31/2014 0.01
2/1/2014 0.26
2/2/2014 0.08
2/3/2014 0.00
2/4/2014 0.00
2/5/2014 0.55
2/6/2014 0.02
2/7/2014 0.00
2/8/2014 T
2/9/2014 0.06
2/10/2014 0.00
2/11/2014 0.00
2/12/2014 0.00
2/13/2014 0.00
2/14/2014 T
2/15/2014 0.00
2/16/2014 0.01
2/17/2014 T
2/18/2014 0.36
2/19/2014 T
2/20/2014 0.35
2/21/2014
2/22/2014 T
2/23/2014 0.00
2/24/2014 0.00
2/25/2014 0.00
2/26/2014 0.00
2/27/2014 T
2/28/2014 0.00
3/1/2014 0.07
3/2/2014 0.35
3/3/2014 T
3/4/2014 0.01
3/5/2014 0.18
3/6/2014 0.07
3/7/2014 0.00
3/8/2014 0.01
3/9/2014 0.00
3/10/2014 0.00
3/11/2014 0.00
3/12/2014 0.35
3/13/2014 0.00
3/14/2014 0.00
3/15/2014 0.00
3/16/2014 T
3/17/2014 T
3/18/2014 0.00
3/19/2014 0.04
3/20/2014 T
3/21/2014 0.01
3/22/2014 0.07
3/23/2014 0.00
3/24/2014 0.00
3/25/2014 0.03
3/26/2014 T
3/27/2014 0.01
3/28/2014 0.20
3/29/2014 0.06
3/30/2014 0.00
3/31/2014 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2014 T
4/2/2014 0.00
4/3/2014 0.07
4/4/2014 0.39
4/5/2014 0.01
4/6/2014 0.00
4/7/2014 0.00
4/8/2014 0.03
4/9/2014 T
4/10/2014 0.00
4/11/2014 T
4/12/2014 0.00
4/13/2014 0.29
4/14/2014 0.93
4/15/2014 0.31
4/16/2014 0.00
4/17/2014 0.00
4/18/2014 0.00
4/19/2014 0.00
4/20/2014 0.00
4/21/2014 0.00
4/22/2014 T
4/23/2014 0.00
4/24/2014 0.04
4/25/2014 **
4/26/2014 **
4/27/2014 **
4/28/2014 **
4/29/2014 0.85
4/30/2014 0.48
5/1/2014 0.01
5/2/2014 0.05
5/3/2014 T
5/4/2014 0.00
5/5/2014 T
5/6/2014 0.02
5/7/2014
5/8/2014 T
5/9/2014 0.16
5/10/2014 0.27
5/11/2014 0.00
5/12/2014 0.53
5/13/2014 1.33
5/14/2014 0.01
5/15/2014 0.67
5/16/2014 0.14
5/17/2014 **
5/18/2014 **
5/19/2014 0.11
5/20/2014 T
5/21/2014 1.05
5/22/2014 0.00
5/23/2014 0.00
5/24/2014 0.00
5/25/2014 0.00
5/26/2014 0.00
5/27/2014 **
5/28/2014 **
5/29/2014 **
5/30/2014 **
5/31/2014 **
6/1/2014 **
6/2/2014 **
6/3/2014 **
6/4/2014 **
6/5/2014 **
6/6/2014 **
6/7/2014 **
6/8/2014 **
6/9/2014 **
6/10/2014 **
6/11/2014 **
6/12/2014 **
6/13/2014 **
6/14/2014 3.31
6/15/2014 0.00
6/16/2014 0.00
6/17/2014 0.02
6/18/2014 T
6/19/2014 0.46
6/20/2014 0.12
6/21/2014 0.04
6/22/2014 1.63
6/23/2014 0.00
6/24/2014 0.17
6/25/2014 0.05
6/26/2014 0.00
6/27/2014 0.00
6/28/2014 0.00
6/29/2014 0.16
6/30/2014 0.26
Day of YearDaily PrcpMultiday Prcp
7/1/2014 1.85
7/2/2014 0.00
7/3/2014 0.18
7/4/2014 0.00
7/5/2014 0.00
7/6/2014 T
7/7/2014 0.56
7/8/2014 0.20
7/9/2014 0.00
7/10/2014 0.00
7/11/2014 0.00
7/12/2014 0.01
7/13/2014 0.69
7/14/2014 T
7/15/2014 0.11
7/16/2014 0.13
7/17/2014 0.00
7/18/2014 0.00
7/19/2014 0.00
7/20/2014 0.00
7/21/2014
7/22/2014 0.00
7/23/2014 T
7/24/2014
7/25/2014 0.00
7/26/2014 0.00
7/27/2014 0.00
7/28/2014 0.14
7/29/2014 0.00
7/30/2014 0.03
7/31/2014 0.01
8/1/2014 0.00
8/2/2014 0.00
8/3/2014 0.00
8/4/2014 0.00
8/5/2014 1.07
8/6/2014 0.00
8/7/2014 0.00
8/8/2014
8/9/2014 0.00
8/10/2014 0.00
8/11/2014 **
8/12/2014 **
8/13/2014 **
8/14/2014 **
8/15/2014 **
8/16/2014 **
8/17/2014 **
8/18/2014 **
8/19/2014 **
8/20/2014 1.77
8/21/2014 0.10
8/22/2014 1.14
8/23/2014 T
8/24/2014 0.40
8/25/2014 0.00
8/26/2014 0.06
8/27/2014 0.08
8/28/2014 0.00
8/29/2014 T
8/30/2014 0.00
8/31/2014 0.01
9/1/2014 0.00
9/2/2014 0.24
9/3/2014 0.01
9/4/2014 0.00
9/5/2014 0.45
9/6/2014 0.82
9/7/2014 0.00
9/8/2014 0.00
9/9/2014 0.00
9/10/2014 0.60
9/11/2014 0.70
9/12/2014 0.00
9/13/2014 **
9/14/2014 **
9/15/2014 **
9/16/2014 0.21
9/17/2014 0.00
9/18/2014 0.00
9/19/2014 0.00
9/20/2014 0.00
9/21/2014 0.04
9/22/2014 T
9/23/2014 0.00
9/24/2014 0.00
9/25/2014 0.00
9/26/2014 0.00
9/27/2014 0.00
9/28/2014 0.00
9/29/2014 0.00
9/30/2014 T



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2013 7:00 AM 0.00 0.0 M M M
10/2/2013 7:00 AM 0.00 0.0 M M M
10/3/2013 7:00 AM 0.00 0.0 M M M
10/4/2013 7:00 AM 0.06 M M M M
10/5/2013 7:00 AM 0.01 M M M M
10/6/2013 7:00 AM 1.71 M M M M
10/7/2013 6:00 AM T M M M M
10/8/2013 7:00 AM T M M M M
10/9/2013 7:00 AM 0.00 0.0 M M M
10/11/2013 7:00 AM 0.00 0.0 M M M
10/12/2013 6:00 AM 0.00 0.0 M M M
10/13/2013 7:00 AM 0.13 M M M M
10/14/2013 7:00 AM 0.00 0.0 M M M
10/15/2013 7:00 AM 0.00 0.0 M M M
10/16/2013 7:00 AM 0.08 M M M M
10/17/2013 7:00 AM 0.04 M M M M
10/18/2013 7:00 AM 0.23 M M M M
10/19/2013 7:00 AM 0.00 0.0 M M M
10/20/2013 7:00 AM 0.03 M M M M
10/21/2013 7:00 AM 0.03 M M M M
10/22/2013 7:00 AM 0.00 0.0 M M M
10/23/2013 7:00 AM 0.00 0.0 M M M
10/24/2013 7:00 AM T M M M M We saw the season's very first snow flurries in Riverwoods yesterday afternoon. They were not plentiful enough to even wet the ground.
10/25/2013 7:00 AM 0.00 0.0 M M M
10/26/2013 7:00 AM 0.00 0.0 M M M
10/27/2013 7:00 AM 0.00 0.0 M M M
10/29/2013 7:00 AM 0.00 0.0 M M M
10/30/2013 7:00 AM 0.00 0.0 M M M
10/31/2013 7:00 AM 0.45 M M M M
11/1/2013 7:00 AM 0.65 M M M M
11/2/2013 7:00 AM 0.08 M M M M
11/3/2013 7:00 AM 0.01 M M M M
11/4/2013 6:00 AM 0.00 0.0 M M M
11/5/2013 7:00 AM 0.00 0.0 M M M
11/6/2013 7:00 AM 0.45 M M M M
11/7/2013 7:00 AM 0.25 M M M M
11/8/2013 6:00 AM T M M M M
11/9/2013 7:00 AM 0.00 0.0 M M M
11/10/2013 7:00 AM 0.00 0.0 M M M
11/11/2013 6:00 AM 0.00 0.0 M M M
11/12/2013 7:00 AM 0.21 0.5 0.21 T M The first snowfall of the season began as a rain/snow mixture yesterday afternoon. This morning only the snow on the grass remained.
11/13/2013 7:00 AM 0.00 0.0 M M M
11/14/2013 7:00 AM 0.00 0.0 M M M
11/15/2013 7:00 AM 0.00 0.0 M M M
11/16/2013 7:00 AM T 0.0 M M M
11/17/2013 7:00 AM 0.16 M M M M
11/18/2013 6:00 AM 0.87 M M M M
11/19/2013 7:00 AM 0.00 0.0 M M M
11/20/2013 7:00 AM 0.00 0.0 M M M
11/21/2013 7:00 AM 0.07 M M M M
11/22/2013 8:00 AM 0.05 M M M M A few snowflakes are falling with the light rain presently coming down here in Riverwoods.
11/23/2013 7:00 AM T M M M M
11/24/2013 7:00 AM 0.00 0.0 M M M
11/25/2013 6:00 AM 0.00 0.0 M M M
11/26/2013 7:00 AM T 0.2 M T M
11/27/2013 7:00 AM T T T T M
11/28/2013 7:00 AM 0.00 0.0 M M M
11/29/2013 6:00 AM 0.00 0.0 M M M
11/30/2013 7:00 AM 0.00 0.0 M M M
12/1/2013 7:00 AM 0.00 0.0 M M M
12/2/2013 5:00 AM 0.00 0.0 M M M
12/3/2013 7:00 AM 0.10 M M M M
12/5/2013 7:00 AM T M M M M
12/6/2013 5:00 AM 0.00 0.0 M M M
12/7/2013 7:00 AM 0.00 0.0 M M M
12/8/2013 5:00 AM 0.00 0.0 M M M
12/9/2013 6:00 AM 0.26 3.0 2.60 3.0 2.60 Very light snow flurries continue here in Rivverwoods at 5 a.m.
12/10/2013 7:00 AM T T M 2.5 M
12/11/2013 7:00 AM 0.02 0.7 0.20 3.0 M A very light snow continues to fall at this time in Riverwoods.
12/12/2013 7:00 AM T T M 2.5 M
12/13/2013 6:00 AM T T M 2.0 M
12/14/2013 7:00 AM 0.14 1.5 0.14 3.5 M It continues to snow moderately here in Riverwoods - a very fine crystalized snow.
12/15/2013 7:00 AM 0.16 2.1 0.16 5.5 M
12/16/2013 6:00 AM 0.00 0.0 M 5.0 M
12/17/2013 6:00 AM 0.07 1.3 0.07 6.0 M
12/18/2013 7:00 AM T T M 5.0 M
12/19/2013 7:00 AM 0.00 0.0 M 5.0 M
12/20/2013 6:00 AM 0.19 0.0 M 3.0 M
12/21/2013 7:00 AM 0.14 0.0 M 2.5 M The remaining rain froze on the streets overnight and are very slippery.
12/22/2013 8:00 AM 0.40 0.5 0.40 3.0 M Currently snowing in Riverwoods.
12/23/2013 7:00 AM 0.05 0.5 M 3.3 M Flurries are falling now in Riverwoods.
12/24/2013 7:00 AM T 0.6 T 4.0 M An extremely light, fluffy snow fell here in Riverwoods this morning
12/25/2013 7:00 AM 0.02 0.2 M 3.8 M
12/26/2013 7:00 AM 0.09 1.8 0.09 5.0 M
12/27/2013 7:00 AM T 0.1 T 4.5 M
12/28/2013 7:00 AM 0.00 0.0 M 4.0 M
12/29/2013 7:00 AM 0.00 0.0 M 2.5 M
12/30/2013 6:00 AM 0.00 0.0 M 2.2 M
12/31/2013 7:00 AM 0.04 0.3 0.18 2.5 M
1/1/2014 6:00 AM 0.24 5.0 0.24 7.5 M
1/2/2014 7:00 AM 0.47 8.8 0.47 13.0 M More Lake effect snow continues to fall at this time here in Riverwoods. There are 13" on the ground.
1/3/2014 6:00 AM 0.06 0.8 0.06 12.0 M Here in Riverwoods the total snow depth is now 12" as some of the light fluffy crystals have compacted.
1/4/2014 7:00 AM 0.00 0.0 M 10.0 M
1/5/2014 7:00 AM 0.45 5.0 0.45 12.5 M A somewhat heavier snow fell here in Riverwoods during the last 18 hrs. It is not snowing here at present.
1/6/2014 6:00 AM 0.21 1.0 0.21 12.0 M 13.2 degrees below zero here this morning in Riverwoods. No snow is falling.
1/7/2014 7:00 AM 0.00 0.0 M 11.0 M
1/8/2014 6:00 AM 0.00 0.0 M 11.0 M
1/9/2014 7:00 AM 0.00 0.0 M 10.0 M
1/10/2014 7:00 AM 0.02 0.2 0.20 9.5 M
1/11/2014 7:00 AM 0.66 0.0 M 6.2 M
1/13/2014 6:00 AM 0.00 0.0 M 5.5 M
1/14/2014 7:00 AM 0.00 0.0 M 4.7 M
1/15/2014 7:00 AM 0.02 0.2 0.02 4.8 M
1/16/2014 7:00 AM 0.00 0.0 M 4.5 M
1/17/2014 6:00 AM 0.03 0.8 M 5.3 M
1/18/2014 7:00 AM 0.02 0.9 0.02 0.9 M
1/19/2014 7:00 AM 0.11 2.1 0.11 7.0 M
1/20/2014 6:00 AM 0.00 0.0 M 6.5 M
1/21/2014 7:00 AM 0.18 2.0 M 7.0 M It has stopped snowing here in Riverwoods at present.
1/22/2014 7:00 AM 0.00 0.0 M 5.5 M
1/23/2014 7:00 AM 0.02 0.5 0.20 6.0 M
1/24/2014 7:00 AM 0.00 0.0 M 5.7 M
1/25/2014 7:00 AM 0.10 1.0 0.10 5.5 M
1/26/2014 7:00 AM 0.12 3.0 M 8.7 M
1/27/2014 6:00 AM 0.01 0.3 0.10 8.5 M It had stopped snowing here in Riverwoods by 8 p.m. No snow fell here thereafter but the wind moved the new fallen snow around.
1/28/2014 7:00 AM 0.00 0.0 M 7.0 M
1/29/2014 7:00 AM 0.00 0.0 M 6.5 M
1/30/2014 7:00 AM 0.00 0.0 M 6.0 M
1/31/2014 6:00 AM 0.01 0.2 0.01 5.6 M
2/1/2014 8:00 AM 0.26 2.3 0.26 7.5 M
2/2/2014 7:00 AM 0.08 0.9 0.08 8.5 M
2/3/2014 6:00 AM 0.00 0.0 M M M
2/4/2014 7:00 AM 0.00 0.0 M M M
2/5/2014 9:00 AM 0.55 7.0 0.55 14.0 M
2/6/2014 7:00 AM 0.02 0.3 0.02 13.0 M
2/7/2014 7:00 AM 0.00 0.0 M 12.5 M
2/8/2014 7:00 AM T T T 12.0 M
2/9/2014 7:00 AM 0.06 2.3 0.60 13.5 M
2/10/2014 6:00 AM 0.00 0.0 M 13.0 M
2/11/2014 7:00 AM 0.00 0.0 M 12.5 M
2/12/2014 7:00 AM 0.00 0.0 M 12.0 M
2/13/2014 7:00 AM 0.00 0.0 M 11.5 M
2/14/2014 6:00 AM T 0.1 M 11.0 M
2/15/2014 7:00 AM 0.00 0.0 M 11.0 M
2/16/2014 7:00 AM 0.01 0.5 0.01 11.5 M
2/17/2014 6:00 AM T T M 11.0 M
2/18/2014 7:00 AM 0.36 4.8 0.36 15.8 M Hopefully about the last snowfall of consequence here in Riverwoods.
2/19/2014 7:00 AM T T T 12.5 M
2/20/2014 7:00 AM 0.35 0.2 0.35 11.0 M
2/22/2014 7:00 AM T T T 10.5 M
2/23/2014 7:00 AM 0.00 0.0 M 10.5 M
2/24/2014 6:00 AM 0.00 0.0 M 10.5 M
2/25/2014 7:00 AM 0.00 0.0 M 10.5 M
2/26/2014 7:00 AM 0.00 0.0 M 10.5 M
2/27/2014 7:00 AM T 0.2 T 10.5 M
2/28/2014 7:00 AM 0.00 0.0 M 10.5 M
3/1/2014 7:00 AM 0.07 0.9 0.07 11.5 M
3/2/2014 7:00 AM 0.35 3.9 0.35 14.5 M
3/3/2014 7:00 AM T T T 14.0 M
3/4/2014 7:00 AM 0.01 0.5 0.01 14.0 M
3/5/2014 7:00 AM 0.18 2.2 0.18 16.0 M A steady fine but light textured snow keeps falling here in Riverwoods.
3/6/2014 7:00 AM 0.07 1.4 0.07 16.0 M
3/7/2014 7:00 AM 0.00 0.0 M 14.5 M
3/8/2014 7:00 AM 0.01 T 0.01 12.0 M
3/9/2014 7:00 AM 0.00 0.0 M 11.5 M
3/10/2014 6:00 AM 0.00 0.0 M 11.0 M
3/11/2014 7:00 AM 0.00 0.0 M 7.0 M
3/12/2014 8:00 AM 0.35 2.6 0.35 9.0 M
3/13/2014 7:00 AM 0.00 0.0 M 8.0 M
3/14/2014 7:00 AM 0.00 0.0 M 6.0 M
3/15/2014 7:00 AM 0.00 0.0 M 3.0 M
3/16/2014 7:00 AM T T T 2.5 M
3/17/2014 6:00 AM T T T 2.0 M
3/18/2014 5:00 AM 0.00 0.0 M 1.5 M
3/19/2014 7:00 AM 0.04 M M 1.0 M
3/20/2014 7:00 AM T 0.0 M 0.5 M
3/21/2014 7:00 AM 0.01 T T 0.5 M
3/22/2014 7:00 AM 0.07 M M T M
3/23/2014 7:00 AM 0.00 0.0 M T M
3/24/2014 6:00 AM 0.00 0.0 M T M
3/25/2014 7:00 AM 0.03 0.8 0.03 0.8 M
3/26/2014 7:00 AM T T M T M
3/27/2014 7:00 AM 0.01 T 0.01 T M
3/28/2014 6:00 AM 0.20 M M T M A very light rain continues to fall here at present in Riverwoods, IL.
3/29/2014 7:00 AM 0.06 T 0.06 T M
3/30/2014 7:00 AM 0.00 0.0 M T M
3/31/2014 6:00 AM 0.00 0.0 M T M
4/1/2014 7:00 AM T M M M M
4/2/2014 7:00 AM 0.00 0.0 M M M
4/3/2014 7:00 AM 0.07 M M M M
4/4/2014 6:00 AM 0.39 M M M M
4/5/2014 7:00 AM 0.01 M M M M
4/6/2014 7:00 AM 0.00 0.0 M M M
4/7/2014 6:00 AM 0.00 0.0 M M M
4/8/2014 7:00 AM 0.03 M M M M
4/9/2014 7:00 AM T M M M M
4/10/2014 7:00 AM 0.00 0.0 M M M
4/11/2014 6:00 AM T M M M M
4/12/2014 7:00 AM 0.00 0.0 M M M
4/13/2014 7:00 AM 0.29 M M M M In the 30 min. of precipitation which fell there was included about 15 min. of hail up to 1" in diameter.
4/14/2014 6:00 AM 0.93 M M M M
4/15/2014 7:00 AM 0.31 1.5 0.31 1.5 0.31
4/16/2014 7:00 AM 0.00 0.0 M M M
4/17/2014 7:00 AM 0.00 0.0 M M M
4/18/2014 6:00 AM 0.00 0.0 M M M
4/19/2014 7:00 AM 0.00 0.0 M M M
4/20/2014 7:00 AM 0.00 0.0 M M M
4/21/2014 7:00 AM 0.00 0.0 M M M
4/22/2014 7:00 AM T M M M M
4/23/2014 7:00 AM 0.00 0.0 M M M
4/24/2014 5:00 AM 0.04 M M M M A light rain fell here in Riverwoods from 4:30 a.m. to 5 a.m. when it ceased.
4/30/2014 7:00 AM 0.48 M M M M
5/1/2014 7:00 AM 0.01 M M M M
5/2/2014 7:00 AM 0.05 M M M M
5/3/2014 7:00 AM T M M M M
5/4/2014 7:00 AM 0.00 0.0 M M M
5/5/2014 6:00 AM T M M M M
5/6/2014 7:00 AM 0.02 M M M M
5/8/2014 7:00 AM T M M M M
5/9/2014 7:00 AM 0.16 M M M M
5/10/2014 7:00 AM 0.27 M M M M
5/11/2014 7:00 AM 0.00 0.0 M M M
5/12/2014 6:00 AM 0.53 M M M M
5/13/2014 7:00 AM 1.33 M M M M
5/14/2014 7:00 AM 0.01 M M M M
5/15/2014 6:00 AM 0.67 M M M M
5/16/2014 8:00 AM 0.14 T M 0.0 M It is snowing moderately hard here in Riverwoods for the past 40 minutes. It is starting to stick to some plants. (It hit 90 degrees here last week.)
5/20/2014 7:00 AM T M M M M
5/21/2014 7:00 AM 1.05 M M M M
5/22/2014 7:00 AM 0.00 0.0 M M M
5/23/2014 7:00 AM 0.00 0.0 M M M
5/24/2014 7:00 AM 0.00 0.0 M M M
5/25/2014 7:00 AM 0.00 0.0 M M M
5/26/2014 7:00 AM 0.00 0.0 M M M
6/15/2014 7:00 AM 0.00 0.0 M M M
6/16/2014 7:00 AM 0.00 0.0 M M M
6/17/2014 7:00 AM 0.02 M M M M
6/18/2014 7:00 AM T M M M M
6/19/2014 7:00 AM 0.46 M M M M
6/20/2014 7:00 AM 0.12 M M M M
6/21/2014 7:00 AM 0.04 0.0 M M M
6/22/2014 7:00 AM 1.63 M M M M
6/23/2014 7:00 AM 0.00 0.0 M M M
6/24/2014 7:00 AM 0.17 M M M M
6/25/2014 7:00 AM 0.05 M M M M
6/26/2014 7:00 AM 0.00 0.0 M M M
6/27/2014 7:00 AM 0.00 0.0 M M M
6/28/2014 7:00 AM 0.00 0.0 M M M
6/29/2014 7:00 AM 0.16 M M M M
6/30/2014 7:00 AM 0.26 M M M M
7/1/2014 7:00 AM 1.85 M M M M
7/2/2014 7:00 AM 0.00 0.0 M M M
7/3/2014 6:00 AM 0.18 M M M M
7/4/2014 7:00 AM 0.00 0.0 M M M
7/5/2014 7:00 AM 0.00 0.0 M M M
7/6/2014 7:00 AM T M M M M
7/7/2014 7:00 AM 0.56 M M M M
7/8/2014 7:00 AM 0.20 M M M M
7/9/2014 7:00 AM 0.00 0.0 M M M
7/10/2014 7:00 AM 0.00 0.0 M M M
7/11/2014 7:00 AM 0.00 0.0 M M M
7/12/2014 7:00 AM 0.01 M M M M
7/13/2014 7:00 AM 0.69 M M M M
7/14/2014 7:00 AM T M M M M A very light rain is starting to fall here in Riverwoods at 6:55 a.m.
7/15/2014 7:00 AM 0.11 M M M M
7/16/2014 7:00 AM 0.13 M M M M
7/17/2014 7:00 AM 0.00 0.0 M M M
7/18/2014 7:00 AM 0.00 0.0 M M M
7/19/2014 7:00 AM 0.00 0.0 M M M
7/20/2014 7:00 AM 0.00 0.0 M M M
7/22/2014 7:00 AM 0.00 0.0 M M M
7/23/2014 7:00 AM T M M M M
7/25/2014 7:00 AM 0.00 0.0 M M M
7/26/2014 7:00 AM 0.00 0.0 M M M
7/27/2014 7:00 AM 0.00 0.0 M M M
7/28/2014 7:00 AM 0.14 M M M M
7/29/2014 7:00 AM 0.00 0.0 M M M
7/30/2014 7:00 AM 0.03 M M M M
7/31/2014 7:00 AM 0.01 0.0 M M M
8/1/2014 7:00 AM 0.00 0.0 M M M
8/2/2014 7:00 AM 0.00 0.0 M M M
8/3/2014 7:00 AM 0.00 0.0 M M M
8/4/2014 7:00 AM 0.00 0.0 M M M
8/5/2014 7:00 AM 1.07 M M M M
8/6/2014 7:00 AM 0.00 0.0 M M M
8/7/2014 7:00 AM 0.00 0.0 M M M
8/9/2014 7:00 AM 0.00 0.0 M M M
8/10/2014 5:00 AM 0.00 0.0 M M M
8/21/2014 7:00 AM 0.10 M M M M
8/22/2014 7:00 AM 1.14 M M M M
8/23/2014 7:00 AM T M M M M
8/24/2014 7:00 AM 0.40 M M M M
8/25/2014 7:00 AM 0.00 0.0 M M M
8/26/2014 7:00 AM 0.06 M M M M
8/27/2014 7:00 AM 0.08 M M M M
8/28/2014 7:00 AM 0.00 0.0 M M M
8/29/2014 7:00 AM T 0.0 M M M
8/30/2014 7:00 AM 0.00 0.0 M M M
8/31/2014 7:00 AM 0.01 M M M M
9/1/2014 7:00 AM 0.00 0.0 M M M
9/2/2014 7:00 AM 0.24 M M M M
9/3/2014 7:00 AM 0.01 M M M M
9/4/2014 6:45 AM 0.00 0.0 M M M Some light rain is starting here at 6:50 am this morning. The skies are quite dark at present.
9/5/2014 7:00 AM 0.45 M M M M
9/6/2014 7:00 AM 0.82 M M M M
9/7/2014 7:00 AM 0.00 0.0 M M M
9/8/2014 7:00 AM 0.00 0.0 M M M
9/9/2014 7:00 AM 0.00 0.0 M M M
9/10/2014 7:00 AM 0.60 M M M M
9/11/2014 7:00 AM 0.70 M M M M
9/12/2014 7:00 AM 0.00 0.0 M M M
9/17/2014 7:00 AM 0.00 0.0 M M M
9/18/2014 7:00 AM 0.00 0.0 M M M
9/19/2014 7:00 AM 0.00 0.0 M M M
9/20/2014 7:00 AM 0.00 0.0 M M M
9/21/2014 7:00 AM 0.04 M M M M
9/22/2014 7:00 AM T M M M M
9/23/2014 7:00 AM 0.00 0.0 M M M
9/24/2014 7:00 AM 0.00 0.0 M M M
9/25/2014 7:00 AM 0.00 0.0 M M M
9/26/2014 7:00 AM 0.00 0.0 M M M
9/27/2014 7:00 AM 0.00 0.0 M M M
9/28/2014 7:00 AM 0.00 0.0 M M M
9/29/2014 7:00 AM 0.00 0.0 M M M
9/30/2014 7:00 AM T 0.0 M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
4/25/2014 4/29/2014 12:00 AM 5 0.85 M M
5/17/2014 5/19/2014 7:00 AM 3 0.11 M M
5/27/2014 6/14/2014 7:00 AM 19 3.31 M M
8/11/2014 8/20/2014 7:00 AM 10 1.77 M M
9/13/2014 9/16/2014 12:00 AM 4 0.21 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
11/17/2013 11:45 AM Hail fell with associated thunderstorm activity here in Riverwoods. At present a light rain continues to fall after 0.75" so far today. 1/4" Pea Size NA Rice White Ice 15 no damage Continuous True Same time as rain Same time as smaller hail
1/1/0001 12:00 AM Rain commended here in Riverwoods at 11:30 am with hail starting about 10 min. later, lasting about 15 min. It has not stopped raining. 1" Quarter Size 1/2" Grape 1/4" Pea Size Hard|Mixed|Clear Ice|White Ice no damage True After rain After smaller hail 50-60 2