Station Overview Station Location
Station Number IL-CK-222 Latitude 41.907879
Station Name CCook-Chicago 1.8 NNW Longitude -87.635719
County Cook Elevation (ft) 595



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 3.25 1.30 30 0.09 4 1.21 26 3 1 1 0.0 0 0
Nov 13 2.99 4.23 4 0.00 0 4.23 4 2 0 0 0.0 0 0
Dec 13 2.29 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Jan 14 1.85 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Feb 14 1.78 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
March 14 2.34 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 14 3.53 0.94 20 0.29 4 0.65 16 3 1 0 0.0 0 1
May 14 3.85 0.65 5 0.00 0 0.65 5 1 0 0 0.0 0 0
June 14 4.15 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
July 14 3.93 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Aug 14 4.15 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Sept 14 3.19 2.12 20 1.82 9 0.30 11 3 4 0 0.0 0 0
Water Year Totals: 37.30" 9.24" 79 days 2.20" 17 7.04" 62 days 12 6 days 1 days 0.0" 0 days 1 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 **
10/2/2013 **
10/3/2013 **
10/4/2013 **
10/5/2013 **
10/6/2013 **
10/7/2013 **
10/8/2013 **
10/9/2013 0.95
10/10/2013 T
10/11/2013 0.00
10/12/2013 **
10/13/2013 **
10/14/2013 **
10/15/2013 0.02
10/16/2013 0.09
10/17/2013 **
10/18/2013 **
10/19/2013 **
10/20/2013 **
10/21/2013 0.24
10/22/2013
10/23/2013
10/24/2013 0.00 **
10/25/2013 **
10/26/2013 **
10/27/2013 **
10/28/2013 **
10/29/2013 **
10/30/2013 **
10/31/2013 **
11/1/2013 2.91
11/2/2013
11/3/2013
11/4/2013
11/5/2013
11/6/2013
11/7/2013
11/8/2013
11/9/2013
11/10/2013
11/11/2013
11/12/2013
11/13/2013
11/14/2013
11/15/2013
11/16/2013 **
11/17/2013 **
11/18/2013 1.32
11/19/2013
11/20/2013
11/21/2013
11/22/2013
11/23/2013
11/24/2013
11/25/2013
11/26/2013
11/27/2013
11/28/2013
11/29/2013
11/30/2013
12/1/2013
12/2/2013
12/3/2013
12/4/2013
12/5/2013
12/6/2013
12/7/2013
12/8/2013
12/9/2013
12/10/2013
12/11/2013
12/12/2013
12/13/2013
12/14/2013
12/15/2013
12/16/2013
12/17/2013
12/18/2013
12/19/2013
12/20/2013
12/21/2013
12/22/2013
12/23/2013
12/24/2013
12/25/2013
12/26/2013
12/27/2013
12/28/2013
12/29/2013
12/30/2013
12/31/2013
Day of YearDaily PrcpMultiday Prcp
1/1/2014
1/2/2014
1/3/2014
1/4/2014
1/5/2014
1/6/2014
1/7/2014
1/8/2014
1/9/2014
1/10/2014
1/11/2014
1/12/2014
1/13/2014
1/14/2014
1/15/2014
1/16/2014
1/17/2014
1/18/2014
1/19/2014
1/20/2014
1/21/2014
1/22/2014
1/23/2014
1/24/2014
1/25/2014
1/26/2014
1/27/2014
1/28/2014
1/29/2014
1/30/2014
1/31/2014
2/1/2014
2/2/2014
2/3/2014
2/4/2014
2/5/2014
2/6/2014
2/7/2014
2/8/2014
2/9/2014
2/10/2014
2/11/2014
2/12/2014
2/13/2014
2/14/2014
2/15/2014
2/16/2014
2/17/2014
2/18/2014
2/19/2014
2/20/2014
2/21/2014
2/22/2014
2/23/2014
2/24/2014
2/25/2014
2/26/2014
2/27/2014
2/28/2014
3/1/2014
3/2/2014
3/3/2014
3/4/2014
3/5/2014
3/6/2014
3/7/2014
3/8/2014
3/9/2014
3/10/2014
3/11/2014
3/12/2014
3/13/2014
3/14/2014
3/15/2014
3/16/2014
3/17/2014
3/18/2014
3/19/2014
3/20/2014
3/21/2014
3/22/2014
3/23/2014
3/24/2014
3/25/2014
3/26/2014
3/27/2014
3/28/2014
3/29/2014
3/30/2014
3/31/2014
Day of YearDaily PrcpMultiday Prcp
4/1/2014
4/2/2014
4/3/2014
4/4/2014
4/5/2014
4/6/2014
4/7/2014
4/8/2014
4/9/2014
4/10/2014
4/11/2014
4/12/2014 **
4/13/2014 **
4/14/2014 0.55
4/15/2014 M
4/16/2014 0.00
4/17/2014 0.00
4/18/2014 0.00
4/19/2014 **
4/20/2014 **
4/21/2014 **
4/22/2014 0.07
4/23/2014 **
4/24/2014 **
4/25/2014 0.29 **
4/26/2014 **
4/27/2014 **
4/28/2014 **
4/29/2014 **
4/30/2014 **
5/1/2014 **
5/2/2014 **
5/3/2014 **
5/4/2014 **
5/5/2014 0.65
5/6/2014
5/7/2014
5/8/2014
5/9/2014
5/10/2014
5/11/2014
5/12/2014
5/13/2014
5/14/2014
5/15/2014
5/16/2014
5/17/2014
5/18/2014
5/19/2014
5/20/2014
5/21/2014
5/22/2014
5/23/2014
5/24/2014
5/25/2014
5/26/2014
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
6/15/2014
6/16/2014
6/17/2014
6/18/2014
6/19/2014
6/20/2014
6/21/2014
6/22/2014
6/23/2014
6/24/2014
6/25/2014
6/26/2014
6/27/2014
6/28/2014
6/29/2014
6/30/2014
Day of YearDaily PrcpMultiday Prcp
7/1/2014
7/2/2014
7/3/2014
7/4/2014
7/5/2014
7/6/2014
7/7/2014
7/8/2014
7/9/2014
7/10/2014
7/11/2014
7/12/2014
7/13/2014
7/14/2014
7/15/2014
7/16/2014
7/17/2014
7/18/2014
7/19/2014
7/20/2014
7/21/2014
7/22/2014
7/23/2014
7/24/2014
7/25/2014
7/26/2014
7/27/2014
7/28/2014
7/29/2014
7/30/2014
7/31/2014
8/1/2014
8/2/2014
8/3/2014
8/4/2014
8/5/2014
8/6/2014
8/7/2014
8/8/2014
8/9/2014
8/10/2014
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
8/21/2014
8/22/2014
8/23/2014
8/24/2014
8/25/2014
8/26/2014
8/27/2014
8/28/2014
8/29/2014
8/30/2014
8/31/2014
9/1/2014
9/2/2014
9/3/2014
9/4/2014
9/5/2014
9/6/2014
9/7/2014
9/8/2014 0.00
9/9/2014 0.01
9/10/2014 1.45
9/11/2014 0.33
9/12/2014 0.03
9/13/2014 **
9/14/2014 **
9/15/2014 0.20
9/16/2014
9/17/2014 0.00
9/18/2014 0.00
9/19/2014 0.00
9/20/2014 **
9/21/2014 **
9/22/2014 0.10
9/23/2014
9/24/2014
9/25/2014 0.00
9/26/2014 **
9/27/2014 **
9/28/2014 **
9/29/2014 **
9/30/2014 T



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/10/2013 8:35 AM T M M M M
10/11/2013 9:20 AM 0.00 0.0 M M M
10/16/2013 9:17 AM 0.09 M M M M
10/24/2013 9:30 AM 0.00 0.0 M M M
4/15/2014 10:00 AM M M M 2.5 M There was rain, sleet and snow in Chicago yesterday evening. The gauge collected some snow in the funnel but the cylinder had water. I have no idea what type of precipitation it may be!
4/16/2014 9:50 AM 0.00 0.0 M M M Translucent altostratus clouds covering 90% of the sky.
4/17/2014 8:40 AM 0.00 0.0 M M M
4/18/2014 10:05 AM 0.00 0.0 M M M Cirrostratus clouds
4/25/2014 11:00 AM 0.29 M M M M Rained Thursday evening and early Friday morning.
9/8/2014 8:15 AM 0.00 0.0 M M M
9/9/2014 8:30 AM 0.01 M M M M
9/10/2014 8:15 AM 1.45 M M M M
9/11/2014 9:00 AM 0.33 M M M M Stratus clouds covering 100% of the sky
9/12/2014 9:20 AM 0.03 M M M M Drizzling on and off in the morning. Rain is expected to continue all day.
9/17/2014 9:20 AM 0.00 0.0 M M M Blue Skies!
9/18/2014 9:00 AM 0.00 0.0 M M M
9/19/2014 9:00 AM 0.00 0.0 M M M
9/25/2014 8:30 AM 0.00 0.0 M M M Overcast skies. Translucent stratus clouds.



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
10/1/2013 10/09/2013 9:30 AM 9 0.95 M M This measurement was taken after a long absence. There was rain in the area October 3-5th.
10/12/2013 10/15/2013 9:15 AM 4 0.02 M M
10/17/2013 10/21/2013 8:50 AM 5 0.24 M M There was rain on Wednesday, Thursday, and Sunday.
10/24/2013 11/01/2013 8:30 AM 9 2.91 M M It rained Wednesday 10-30 and Thursday 10-31.
11/16/2013 11/18/2013 9:35 AM 3 1.32 M M Severe storm blew through the Chicagoland area Sunday November 17th
4/12/2014 4/14/2014 9:00 AM 3 0.55 M M Nimbostratus clouds covering 100% of the sky and currently drizzling.
4/19/2014 4/22/2014 9:23 AM 4 0.07 M M It rained Monday night in Chicago around 6 p.m.
4/23/2014 4/24/2014 9:10 AM 2 0.03 M M It drizzled Wednesday night, early Thursday morning in Chicago.
4/24/2014 5/05/2014 9:30 AM 12 0.65 M M It rained on and off the week of April 28th. There was also rain this morning (approximately 2 a.m.).
9/13/2014 9/15/2014 8:16 AM 3 0.20 M M It rained Friday and little bit Sunday evening/Monday morning.
9/20/2014 9/22/2014 2:45 AM 3 0.10 M M There was rain Saturday evening.
9/26/2014 9/30/2014 9:36 AM 5 T M M There hasn't been any precipitation until today. This morning there is mist in the area with gusts of wind up to 4 mph. There is very little accumulation in the gauge.



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