Station Overview Station Location
Station Number IL-CK-218 Latitude 42.131111
Station Name Northbrook 1.0 W Longitude -87.853056
County Cook Elevation (ft) 677



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 12 2.98 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Nov 12 3.11 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Dec 12 2.29 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Jan 13 1.91 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Feb 13 1.75 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
March 13 2.38 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 13 3.52 0.01 5 0.01 5 0.00 0 0 1 0 0.0 0 0
May 13 4.06 3.53 31 1.98 19 1.55 12 2 6 1 0.0 0 0
June 13 3.95 2.71 28 2.71 23 0.00 5 0 12 3 0.0 0 0
July 13 3.73 6.68 28 0.60 13 6.08 15 2 4 1 0.0 0 0
Aug 13 4.56 1.06 29 1.06 26 0.00 3 1 8 1 0.0 0 0
Sept 13 3.44 2.02 10 2.02 10 0.00 0 0 7 0 0.0 0 0
Water Year Totals: 37.68" 16.01" 131 days 8.38" 96 7.63" 35 days 5 38 days 6 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
10/1/2012
10/2/2012
10/3/2012
10/4/2012
10/5/2012
10/6/2012
10/7/2012
10/8/2012
10/9/2012
10/10/2012
10/11/2012
10/12/2012
10/13/2012
10/14/2012
10/15/2012
10/16/2012
10/17/2012
10/18/2012
10/19/2012
10/20/2012
10/21/2012
10/22/2012
10/23/2012
10/24/2012
10/25/2012
10/26/2012
10/27/2012
10/28/2012
10/29/2012
10/30/2012
10/31/2012
11/1/2012
11/2/2012
11/3/2012
11/4/2012
11/5/2012
11/6/2012
11/7/2012
11/8/2012
11/9/2012
11/10/2012
11/11/2012
11/12/2012
11/13/2012
11/14/2012
11/15/2012
11/16/2012
11/17/2012
11/18/2012
11/19/2012
11/20/2012
11/21/2012
11/22/2012
11/23/2012
11/24/2012
11/25/2012
11/26/2012
11/27/2012
11/28/2012
11/29/2012
11/30/2012
12/1/2012
12/2/2012
12/3/2012
12/4/2012
12/5/2012
12/6/2012
12/7/2012
12/8/2012
12/9/2012
12/10/2012
12/11/2012
12/12/2012
12/13/2012
12/14/2012
12/15/2012
12/16/2012
12/17/2012
12/18/2012
12/19/2012
12/20/2012
12/21/2012
12/22/2012
12/23/2012
12/24/2012
12/25/2012
12/26/2012
12/27/2012
12/28/2012
12/29/2012
12/30/2012
12/31/2012
Day of YearDaily PrcpMultiday Prcp
1/1/2013
1/2/2013
1/3/2013
1/4/2013
1/5/2013
1/6/2013
1/7/2013
1/8/2013
1/9/2013
1/10/2013
1/11/2013
1/12/2013
1/13/2013
1/14/2013
1/15/2013
1/16/2013
1/17/2013
1/18/2013
1/19/2013
1/20/2013
1/21/2013
1/22/2013
1/23/2013
1/24/2013
1/25/2013
1/26/2013
1/27/2013
1/28/2013
1/29/2013
1/30/2013
1/31/2013
2/1/2013
2/2/2013
2/3/2013
2/4/2013
2/5/2013
2/6/2013
2/7/2013
2/8/2013
2/9/2013
2/10/2013
2/11/2013
2/12/2013
2/13/2013
2/14/2013
2/15/2013
2/16/2013
2/17/2013
2/18/2013
2/19/2013
2/20/2013
2/21/2013
2/22/2013
2/23/2013
2/24/2013
2/25/2013
2/26/2013
2/27/2013
2/28/2013
3/1/2013
3/2/2013
3/3/2013
3/4/2013
3/5/2013
3/6/2013
3/7/2013
3/8/2013
3/9/2013
3/10/2013
3/11/2013
3/12/2013
3/13/2013
3/14/2013
3/15/2013
3/16/2013
3/17/2013
3/18/2013
3/19/2013
3/20/2013
3/21/2013
3/22/2013
3/23/2013
3/24/2013
3/25/2013
3/26/2013
3/27/2013
3/28/2013
3/29/2013
3/30/2013
3/31/2013
Day of YearDaily PrcpMultiday Prcp
4/1/2013
4/2/2013
4/3/2013
4/4/2013
4/5/2013
4/6/2013
4/7/2013
4/8/2013
4/9/2013
4/10/2013
4/11/2013
4/12/2013
4/13/2013
4/14/2013
4/15/2013
4/16/2013
4/17/2013
4/18/2013
4/19/2013
4/20/2013
4/21/2013
4/22/2013
4/23/2013
4/24/2013
4/25/2013
4/26/2013 0.00
4/27/2013 0.00
4/28/2013 0.01
4/29/2013 0.00
4/30/2013 0.00
5/1/2013 0.00
5/2/2013 0.00
5/3/2013 0.01
5/4/2013 0.12
5/5/2013 0.00
5/6/2013 0.00
5/7/2013
5/8/2013 0.00
5/9/2013 0.00
5/10/2013 0.42
5/11/2013 0.01
5/12/2013 T
5/13/2013 0.00
5/14/2013 0.00
5/15/2013 0.00
5/16/2013 0.00
5/17/2013
5/18/2013 **
5/19/2013 0.00 0.00
5/20/2013 0.00
5/21/2013 0.87 **
5/22/2013 **
5/23/2013 **
5/24/2013 **
5/25/2013 **
5/26/2013 **
5/27/2013 **
5/28/2013 **
5/29/2013 **
5/30/2013 1.55
5/31/2013 0.55
6/1/2013 0.01
6/2/2013 0.12
6/3/2013 0.03
6/4/2013 0.00
6/5/2013 0.00
6/6/2013 0.09
6/7/2013 0.26
6/8/2013 T
6/9/2013 0.00
6/10/2013 0.31
6/11/2013 0.04
6/12/2013 T
6/13/2013 0.66
6/14/2013 0.00
6/15/2013 T
6/16/2013 0.18
6/17/2013 0.00
6/18/2013 0.00
6/19/2013 0.00
6/20/2013
6/21/2013
6/22/2013 0.49
6/23/2013 0.03
6/24/2013 0.00
6/25/2013 0.49
6/26/2013 **
6/27/2013 **
6/28/2013 **
6/29/2013 **
6/30/2013 **
Day of YearDaily PrcpMultiday Prcp
7/1/2013 **
7/2/2013 **
7/3/2013 **
7/4/2013 **
7/5/2013 **
7/6/2013 **
7/7/2013 **
7/8/2013 **
7/9/2013 **
7/10/2013 **
7/11/2013 4.70
7/12/2013
7/13/2013 0.00
7/14/2013
7/15/2013 0.00
7/16/2013 0.01
7/17/2013 0.00
7/18/2013 0.00
7/19/2013 0.00
7/20/2013 **
7/21/2013 **
7/22/2013 **
7/23/2013 1.38
7/24/2013 0.00
7/25/2013 0.00
7/26/2013 0.02
7/27/2013 0.51
7/28/2013 T
7/29/2013 0.00
7/30/2013
7/31/2013 0.06
8/1/2013 0.05
8/2/2013 0.28
8/3/2013 T
8/4/2013 0.00
8/5/2013 0.00
8/6/2013 0.16
8/7/2013 0.00 **
8/8/2013 **
8/9/2013 0.00
8/10/2013 0.00
8/11/2013 0.00
8/12/2013 0.06
8/13/2013 0.06
8/14/2013 0.00
8/15/2013 0.00
8/16/2013 0.00
8/17/2013 0.00
8/18/2013 0.00
8/19/2013 0.00
8/20/2013 0.00
8/21/2013 0.00
8/22/2013 0.03
8/23/2013 0.18
8/24/2013 0.00
8/25/2013 0.00
8/26/2013 0.00
8/27/2013
8/28/2013
8/29/2013 0.00
8/30/2013
8/31/2013 0.24
9/1/2013
9/2/2013 0.07
9/3/2013
9/4/2013
9/5/2013
9/6/2013
9/7/2013
9/8/2013 0.04
9/9/2013
9/10/2013 0.00
9/11/2013
9/12/2013 0.03
9/13/2013
9/14/2013
9/15/2013
9/16/2013 0.87
9/17/2013
9/18/2013
9/19/2013 0.32
9/20/2013 0.36
9/21/2013
9/22/2013
9/23/2013
9/24/2013
9/25/2013
9/26/2013 0.00
9/27/2013 0.00
9/28/2013
9/29/2013 0.33
9/30/2013



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
4/26/2013 8:00 AM 0.00 0.0 M M M
4/27/2013 7:00 AM 0.00 0.0 M M M
4/28/2013 7:00 AM 0.01 M M M M Raining very lightly at the time of observation.
4/29/2013 7:03 AM 0.00 0.0 M M M No detected rain. A substantial dew on the ground.
4/30/2013 7:03 AM 0.00 0.0 M M M
5/1/2013 6:45 AM 0.00 0.0 M M M
5/2/2013 6:50 AM 0.00 0.0 M M M
5/3/2013 7:40 AM 0.01 M M M M
5/4/2013 6:30 AM 0.12 M M M M
5/5/2013 7:00 AM 0.00 0.0 M M M
5/6/2013 7:45 AM 0.00 0.0 M M M
5/8/2013 7:00 AM 0.00 0.0 M M M
5/9/2013 7:05 AM 0.00 0.0 M M M
5/10/2013 7:00 AM 0.42 M M M M It started to drizzle lightly on 5/9/2013 at 1:00 PM local. It was drizzling lightly at the time this reading was taken.
5/11/2013 6:15 AM 0.01 M M M M I took my reading a bit earlier than normal, but with clear skies at my site, I didn't feel there would be any additional rain accumulation by 7:00 AM today.
5/12/2013 7:05 AM T M M M M Wind north west at 6 MPH, with a recorded gust of 18 MPH. Temperature was 40 degrees F at the time of observation.
5/13/2013 7:00 AM 0.00 0.0 M M M At the time of observation, frost on the roofs of ours and neighbors homes and heavy dew.
5/14/2013 7:00 AM 0.00 0.0 M M M
5/15/2013 7:00 AM 0.00 0.0 M M M
5/16/2013 7:00 AM 0.00 0.0 M M M Low temperature measured last night was 54 degrees.
5/19/2013 7:00 AM 0.00 0.0 M M M Slight 1.4 MPH breeze out of the west and 64 degree temperature at the time of observation.
5/20/2013 7:00 AM 0.00 0.0 M M M
5/21/2013 7:05 AM 0.87 M M M M At the time of observation, temperature was 64 degrees, and the wind was SSW at 2.6 MPH.
5/31/2013 6:55 AM 0.55 M M M M Variable winds from 2.2 to 6.0 MPH out of the SSW, and temperature of 73 degrees at the time of observation
6/1/2013 7:00 AM 0.01 M M M M Light breezes to 2 MPH from the SSE and temperature of 74 degrees at the time of observation.
6/2/2013 7:10 AM 0.12 M M M M Outside temperature 52 degrees, wind NNE at 2.5 MPH, and very light drizzle at the time of observation.
6/3/2013 9:00 AM 0.03 M M M M
6/4/2013 7:00 AM 0.00 0.0 M M M Outside temperature was 53 degrees, calm winds, and dew on the grass at the time of observation.
6/5/2013 6:45 AM 0.00 0.0 M M M Outside temperature 56.5 degrees with winds calm to a slight breeze out of the NE, and a slight trace of dew on the grass at the time of observation.
6/6/2013 7:00 AM 0.09 M M M M Temperature is 55 degrees, winds are calm, and light rain is falling at the time of observation. Light rain started at 2:00 PM yesterday, and stopped and started numerous times. We recorded a low temperature of 54 degrees and a high of 61 degrees for the last 24 hour period.
6/7/2013 8:30 AM 0.26 M M M M Temperature 59 degrees and north wind of 4.0 MPH at the time of observation. Temperatures for the last 24 hours reached a low of 50 degrees and a high of 67 degrees.
6/8/2013 6:25 AM T M M M M Temperature 46 degrees, winds calm and heavy dew on the grass at the time of observation.
6/9/2013 9:00 AM 0.00 0.0 M M M
6/10/2013 7:15 AM 0.31 M M M M Temperature 62 degrees, calm winds and raining at the time of observation.
6/11/2013 6:45 AM 0.04 M M M M Temperature 61 degrees, calm winds, humidity 97%, and heavy dew on the grass and cars at the time of observation.
6/12/2013 8:20 AM T M M M M Temperature 69 degrees, calm winds, humidity 80%, and a small amount of dew on the grass at the time of observation.
6/13/2013 7:00 AM 0.66 M M M M Temperature 61 degrees, calm winds, and 81% humidity at the time of observation. Low temperature last night was 58.5 degrees. No hail or high winds were observed during the storm last evening.
6/14/2013 6:50 AM 0.00 0.0 M M M Temperature 57 degrees, slight 1.1 MPH breeze from the north, 78% humidity, and dew on the grass at the time of observation.
6/15/2013 6:35 AM T M M M M Temperature 60 degrees, calm winds and 89% humidity at the time of observation.
6/16/2013 8:20 AM 0.18 M M M M
6/17/2013 7:15 AM 0.00 0.0 M M M Temperature 68 degrees, calm winds, 72% humidity and dew on the grass at the time of observation.
6/18/2013 7:45 AM 0.00 0.0 M M M Temperature 56 degrees, variable winds out of the north gusting at 3 MPH, humidity 97%, and heavy dew on grass at the time of observation. I amending this report to add light fog in the vicinity of my site
6/19/2013 7:25 AM 0.00 0.0 M M M Temperature 60 degrees, winds calm to 2.9 MPH out of the NE, humidity 82% and dew on the grass at the time of observation.
6/22/2013 6:30 AM 0.49 M M M M Temperature 68 degrees, calm winds, humidity 98%, and dew on the ground and the rain gauge at the time of observation.
6/23/2013 8:05 AM 0.03 M M M M Temperature 75 degrees, winds 1.6 MPH SSE, 73% humidity and slight dew on the grass at the time of observation.
6/24/2013 7:00 AM 0.00 0.0 M M M Temperature 72 degrees, humidity 87%, winds gusting t 6 MPH for the south, and slight dew on the grass at the time of observation. The major storm passed to the south of us late yesterday afternoon without any precipitation recorded at this site. We will be out of town and this site will not be providing any data for the next 2 weeks.
6/25/2013 7:30 AM 0.49 M M M M
7/13/2013 5:55 AM 0.00 0.0 M M M Temperature of 59 degrees, 93% humidity, calm winds, and heavy dew recorded at this site at the time of observation.
7/15/2013 7:05 AM 0.00 0.0 M M M Temperature 73 degrees, humidity 93%, calm winds and light dew at the time of observation at this site.
7/16/2013 8:00 AM 0.01 M M M M Temperature of 81 degrees, humidity level of 83%, with occasional light breezes of 1.5 MPH and no dew at this location at the time of observation.
7/17/2013 7:00 AM 0.00 0.0 M M M Temperature 77 degrees, 87% humidity, calm winds, and no dew at this site at the time of observation.
7/18/2013 8:15 AM 0.00 0.0 M M M Temperature 84 degrees, humidity 78%, winds calm to slight out of the west, and no dew at this site at the time of observation. I hope we get rain today.
7/19/2013 7:05 AM 0.00 0.0 M M M Temperature 80 degrees, humidity 76%, winds 2.9 MPH from the west and no dew at this site at the time of observation. I hope we get some rain as forecasted this afternoon.
7/24/2013 7:20 AM 0.00 0.0 M M M Temperature 61 degrees, 68% humidity, winds calm to 2.2 MPH from the north, and a very slight trace of dew on the grass at this site at the time of observation.
7/25/2013 7:00 AM 0.00 0.0 M M M Temperature 57 degrees, humidity 97%, winds calm and heavy dew at this site at the time of observation.
7/26/2013 7:05 AM 0.02 M M M M Temperature 65 degrees, humidity 86%, winds calm, and very light rain drizzle at this site at the time of observation.
7/27/2013 6:35 AM 0.51 M M M M Temperature 59 degrees, humidity 97%, calm winds and heavy dew on cars at this site at the time of observation.
7/28/2013 7:15 AM T M M M M Temperature 57 degrees, humidity 78%, winds calm to 3.0 MPH out of the west at this site at the time of observation.
7/29/2013 6:30 AM 0.00 0.0 M M M Temperature 55 degrees, humidity 91%, calm winds and medium dew on the grass at this site at the time of observation.
7/31/2013 8:15 AM 0.06 0.0 M M M Temperature 66 degrees, humidity 96%, calm winds, and rain had ceased at the time of observation at this site.
8/1/2013 8:00 AM 0.05 M M M M Temperature 64 degrees, humidity 97%, slight breeze from the north, and heavy dew on the cars at this site at the time of observation.
8/2/2013 8:25 AM 0.28 M M M M Temperature 67 degrees, humidity 90%, wind SSE 3.6 MPH at this site at the time of observation.
8/3/2013 6:25 AM T M M M M Temperature 60 degrees, humidity 89%, calm winds and dew on the grass at the time of observation.
8/4/2013 6:00 AM 0.00 0.0 M M M Temperature 56 degrees, humidity 95%, calm winds and heavy dew on the ground and cars at this site at the time of observation.
8/5/2013 7:45 AM 0.00 0.0 M M M Temperature 64 degrees, humidity 75%, calm winds and dew on the grass at this site at the time of observation. B.P. is dropping and rain is predicted by the NWS for today.
8/6/2013 7:00 AM 0.16 M M M M Temperature 67 degrees, humidity 97%, calm winds and the evening rain had ceased at this site at the time of observation.
8/7/2013 7:40 AM 0.00 0.0 M M M Temperature 74 degrees, humidity 92%, winds variable from calm to 6 MPH primarily from SSW, and dew on the grass only at this site at the time of observation.
8/10/2013 6:20 AM 0.00 0.0 M M M Temperature 61 degrees, humidity 94%, calm winds and heavy dew on the grass and cars at this site at the time of observation.
8/11/2013 6:20 AM 0.00 0.0 M M M Temperature 57 degrees, humidity 95%, calm winds, and heavy dew on the grass and cars at this site at the time of observation.
8/12/2013 8:10 AM 0.06 M M M M Temperature 69 degrees, humidity 89%, and calm winds at this site at the time of observation. Light rain started last evening at 9:30 PM. BP is trending downward at this time. It is not raining at this time.
8/13/2013 8:05 AM 0.06 M M M M Temperature 59 degrees, humidity 78%, and with variable winds out of the west at 4.0 MPH at this site at the time of observation.
8/14/2013 7:00 AM 0.00 0.0 M M M Temperature 55 degrees, humidity 89%, calm winds and dew on the grass at this site at the time of observation.
8/15/2013 8:00 AM 0.00 0.0 M M M Temperature 62 degrees, humidity 74%, calm to very light winds out of the west, and light dew on the grass at this site at the time of observation.
8/16/2013 7:35 AM 0.00 0.0 M M M Temperature 58 degrees, humidity 93%, calm winds and heavy dew on the grass and cars at this site at the time of observation.
8/17/2013 6:25 AM 0.00 0.0 M M M Temperature 56 degrees, humidity 95%, calm winds and heavy dew on the grass and cars at this site.
8/18/2013 7:45 AM 0.00 0.0 M M M Temperature 63 degrees, humidity 96%, calm winds and heavy dew on the grass and cars.
8/19/2013 8:10 AM 0.00 0.0 M M M Temperature 67 degrees, humidity 85%, calm winds, and medium dew on the ground and cars.
8/20/2013 7:35 AM 0.00 0.0 M M M Temperature 70 degrees, humidity 89%, light variable winds 0 to 2.0 MPH primarily from the west, and very light dew on the grass at this site at the time of observation.
8/21/2013 7:00 AM 0.00 0.0 M M M Temperature 69 degrees, humidity 89%, calm winds and a trace of dew on the grass at this site at the time of observation.
8/22/2013 8:30 AM 0.03 M M M M Temperature 72 degrees, humidity 88%, and calm winds at this site at the time of observation. Hopefully, we will get some more rain today.
8/23/2013 8:20 AM 0.18 M M M M Temperature 65 degrees, humidity 97%, calm to very light wind, and heavy dew on the cars and grass at this site at the time of observation.
8/24/2013 6:20 AM 0.00 0.0 M M M Temperature 57 degrees, humidity 96%, calm breezes and heavy dew on the cars and grass at this site at the time of observation.
8/25/2013 7:30 AM 0.00 0.0 M M M Temperature 69 degrees, humidity 61%, no dew on the grass at this site at the time of observation.
8/26/2013 7:00 AM 0.00 0.0 M M M
8/29/2013 7:10 AM 0.00 0.0 M M M Temperature 66 degrees, humidity 96%, calm winds, heavy dew on the ground and cars, and a slight trace of fog at this site at the time of observation.
8/31/2013 6:20 AM 0.24 M M M M Temperature 68 degrees, humidity 94%, calm winds, and the rain had ceased at this site at the time of observation. The rain started to fall again for a short while at 5:45 AM on 8/31, but had ceased by the time the reading was taken
9/2/2013 7:45 AM 0.07 M M M M The temperature is 64 degrees, humidity level is 95%, calm winds and heavy dew on the cars and grass at this site at the time of observation.
9/8/2013 9:40 AM 0.04 M M M M
9/10/2013 8:00 AM 0.00 0.0 M M M
9/12/2013 8:35 AM 0.03 M M M M Temperature 69 degrees, humidity 90%, slight breezes and heavy dew on the cars and grass at this site at the time of observation. The major rain of last night went to the south of this site.
9/16/2013 8:05 AM 0.87 M M M M Temperature 51 degrees, and humidity 84% with light breezes at this site at the time of observation. The recorded rain fell at a nice light and steady pace during the daylight hours, and was really needed.
9/19/2013 8:35 AM 0.32 M M M M Temperature 68 degrees, humidity 96% at the time of observation at the time of observation. Raining lightly at this time also.
9/20/2013 8:50 AM 0.36 M M M M Temperature 69 degrees and the humidity 89% at this site at the time of observation.
9/26/2013 7:10 AM 0.00 0.0 M M M Temperature 48 degrees, humidity 97%, calm winds and very heavy dew and some fog in the low areas.
9/27/2013 7:50 AM 0.00 0.0 M M M Temperature 52 degrees, humidity 94%, calm breezes and heavy dew at this site at the time of observation.
9/29/2013 7:25 AM 0.33 M M M M Temperature 52 degrees, humidity 97%, calm breezes , with heavy dew and some fog in the lower areas.



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
5/18/2013 5/19/2013 7:00 AM 2 0.00 M M
5/21/2013 5/30/2013 7:00 AM 10 1.55 M M Was on vacation.
6/26/2013 7/11/2013 12:45 PM 16 4.70 M M
7/20/2013 7/23/2013 10:45 AM 4 1.38 M M I will try to notify CoCoRaHS in advance of any future interruption of daily precipitation reports from this station.
8/7/2013 8/09/2013 7:00 AM 3 0.00 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