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 09 3.06 7.17 31 7.17 31 0.00 0 0 22 1 0.0 0 0
Nov 09 3.06 1.37 30 1.37 30 0.00 0 0 7 3 0.0 0 0
Dec 09 2.29 4.22 31 3.05 27 1.17 4 2 11 4 3.8 3 8
Jan 10 1.89 1.04 31 1.02 28 0.02 3 1 6 8 4.7 2 14
Feb 10 1.72 1.91 30 1.91 28 0.00 2 1 9 3 19.7 8 24
March 10 2.37 1.38 31 0.70 29 0.68 2 1 6 4 0.0 0 9
April 10 3.49 4.67 30 4.65 27 0.02 3 1 10 3 0.0 0 0
May 10 4.00 5.44 31 5.44 31 0.00 0 0 13 0 0.0 0 0
June 10 3.90 7.73 30 6.71 28 1.02 2 1 18 0 0.0 0 0
July 10 3.67 8.44 31 8.44 31 0.00 0 0 11 3 0.0 0 0
Aug 10 4.44 3.23 31 0.46 17 2.77 14 2 2 0 0.0 0 0
Sept 10 3.38 2.71 30 2.71 30 0.00 0 0 12 2 0.0 0 0
Water Year Totals: 37.27" 49.31" 367 days 43.63" 337 5.68" 30 days 9 127 days 31 days 28.2" 13 days 55 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
10/1/2009 0.00
10/2/2009 0.89
10/3/2009 0.14
10/4/2009 0.05
10/5/2009 0.00
10/6/2009 0.02
10/7/2009 0.03
10/8/2009 0.00
10/9/2009 0.24
10/10/2009 0.44
10/11/2009 0.00
10/12/2009 0.00
10/13/2009 0.03
10/14/2009 0.01
10/15/2009 0.23
10/16/2009 0.23
10/17/2009 0.14
10/18/2009 0.02
10/19/2009 0.00
10/20/2009 0.00
10/21/2009 0.04
10/22/2009 T
10/23/2009 1.83
10/24/2009 0.35
10/25/2009 0.04
10/26/2009 0.33
10/27/2009 0.09
10/28/2009 0.08
10/29/2009 0.00
10/30/2009 1.31
10/31/2009 0.63
11/1/2009 0.00
11/2/2009 0.00
11/3/2009 0.02
11/4/2009 0.00
11/5/2009 T
11/6/2009 0.00
11/7/2009 0.00
11/8/2009 0.00
11/9/2009 0.00
11/10/2009 0.00
11/11/2009 0.00
11/12/2009 0.00
11/13/2009 0.00
11/14/2009 0.00
11/15/2009 T
11/16/2009 0.00
11/17/2009 0.00
11/18/2009 0.12
11/19/2009 0.10
11/20/2009 0.09
11/21/2009 0.00
11/22/2009 0.00
11/23/2009 0.00
11/24/2009 0.00
11/25/2009 0.64
11/26/2009 0.33
11/27/2009 T
11/28/2009 0.00
11/29/2009 0.00
11/30/2009 0.07
12/1/2009 0.00
12/2/2009 0.00
12/3/2009 0.13
12/4/2009 T
12/5/2009 0.07
12/6/2009 0.00
12/7/2009 0.00
12/8/2009 **
12/9/2009 0.91
12/10/2009 0.10
12/11/2009 0.00
12/12/2009 0.00
12/13/2009 0.00
12/14/2009 T
12/15/2009 0.01
12/16/2009 0.00
12/17/2009 0.00
12/18/2009 T
12/19/2009 0.43
12/20/2009 0.14
12/21/2009 T
12/22/2009 0.23
12/23/2009 0.12
12/24/2009 0.55
12/25/2009 1.20
12/26/2009 **
12/27/2009 0.26
12/28/2009 0.00
12/29/2009 0.00
12/30/2009 0.00
12/31/2009 0.07
Day of YearDaily PrcpMultiday Prcp
1/1/2010 0.00
1/2/2010 0.00
1/3/2010 T
1/4/2010 0.00
1/5/2010 T
1/6/2010 0.00
1/7/2010 0.07
1/8/2010 0.46
1/9/2010 0.00
1/10/2010 **
1/11/2010 **
1/12/2010 0.02
1/13/2010 0.00
1/14/2010 0.00
1/15/2010 0.00
1/16/2010 T
1/17/2010 T
1/18/2010 0.00
1/19/2010 0.00
1/20/2010 0.00
1/21/2010 T
1/22/2010 0.04
1/23/2010 T
1/24/2010 0.40
1/25/2010 T
1/26/2010 0.03
1/27/2010 0.00
1/28/2010 0.02
1/29/2010 0.00
1/30/2010 T
1/31/2010 0.00
2/1/2010 0.00
2/2/2010 0.03 **
2/3/2010 0.08 0.00
2/4/2010 0.00
2/5/2010 0.00
2/6/2010 T
2/7/2010 T
2/8/2010 0.00
2/9/2010 0.10
2/10/2010 0.75
2/11/2010 0.00
2/12/2010 0.00
2/13/2010 0.00
2/14/2010 0.00
2/15/2010 0.00
2/16/2010 0.01
2/17/2010 0.00
2/18/2010 0.00
2/19/2010 0.00
2/20/2010 0.11
2/21/2010 0.00
2/22/2010 0.62
2/23/2010 0.03
2/24/2010 0.00
2/25/2010 0.18
2/26/2010 0.00
2/27/2010 T
2/28/2010 0.00
3/1/2010 T
3/2/2010 0.00
3/3/2010 0.00
3/4/2010 0.00
3/5/2010 T
3/6/2010 0.00
3/7/2010 0.00
3/8/2010 0.01
3/9/2010 T
3/10/2010 0.10
3/11/2010 0.00
3/12/2010 0.21
3/13/2010 0.23
3/14/2010 0.10
3/15/2010 0.00
3/16/2010 0.00
3/17/2010 0.00
3/18/2010 0.00
3/19/2010 0.00
3/20/2010 **
3/21/2010 0.68
3/22/2010 0.00
3/23/2010 0.00
3/24/2010 0.00
3/25/2010 0.05
3/26/2010 0.00
3/27/2010 0.00
3/28/2010 T
3/29/2010 0.00
3/30/2010 0.00
3/31/2010 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2010 0.00
4/2/2010 0.00
4/3/2010 0.05
4/4/2010 0.23
4/5/2010 0.98
4/6/2010 1.93
4/7/2010 0.55
4/8/2010 0.23
4/9/2010 T
4/10/2010 **
4/11/2010 **
4/12/2010 0.02
4/13/2010 0.00
4/14/2010 0.00
4/15/2010 0.00
4/16/2010 T
4/17/2010 0.00
4/18/2010 0.00
4/19/2010 0.00
4/20/2010 0.00
4/21/2010 0.00
4/22/2010 0.02
4/23/2010 0.00
4/24/2010 0.21
4/25/2010 0.25
4/26/2010 0.20
4/27/2010 0.00
4/28/2010 0.00
4/29/2010 0.00
4/30/2010 T
5/1/2010 0.23
5/2/2010 0.83
5/3/2010 0.00
5/4/2010 0.00
5/5/2010 0.00
5/6/2010 0.01
5/7/2010 0.58
5/8/2010 0.16
5/9/2010 0.04
5/10/2010 0.00
5/11/2010 0.95
5/12/2010 0.31
5/13/2010 1.78
5/14/2010 0.18
5/15/2010 0.00
5/16/2010 0.00
5/17/2010 0.04
5/18/2010 0.00
5/19/2010 0.00
5/20/2010 0.00
5/21/2010 0.27
5/22/2010 0.06
5/23/2010 0.00
5/24/2010 0.00
5/25/2010 0.00
5/26/2010 0.00
5/27/2010 0.00
5/28/2010 0.00
5/29/2010 0.00
5/30/2010 0.00
5/31/2010 0.00
6/1/2010 0.28
6/2/2010 0.88
6/3/2010 0.10
6/4/2010 0.00
6/5/2010 0.00
6/6/2010 **
6/7/2010 1.02
6/8/2010 0.06
6/9/2010 0.63
6/10/2010 0.00
6/11/2010 0.23
6/12/2010 0.13
6/13/2010 0.27
6/14/2010 0.24
6/15/2010 0.04
6/16/2010 1.04
6/17/2010 0.00
6/18/2010 0.03
6/19/2010 0.67
6/20/2010 0.00
6/21/2010 0.00
6/22/2010 0.29
6/23/2010 0.03
6/24/2010 0.90
6/25/2010 0.00
6/26/2010 0.33
6/27/2010 0.00
6/28/2010 0.56
6/29/2010 0.00
6/30/2010 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2010 0.00
7/2/2010 0.00
7/3/2010 0.00
7/4/2010 0.00
7/5/2010 0.02
7/6/2010 0.00
7/7/2010 0.51
7/8/2010 0.77
7/9/2010 0.02
7/10/2010 0.00
7/11/2010 0.04
7/12/2010 1.10
7/13/2010 0.02
7/14/2010 0.00
7/15/2010 0.00
7/16/2010 0.00
7/17/2010 0.00
7/18/2010 0.00
7/19/2010 0.27
7/20/2010 T
7/21/2010 T
7/22/2010 0.00
7/23/2010 0.08
7/24/2010 4.05
7/25/2010 T
7/26/2010 0.00
7/27/2010 0.00
7/28/2010 0.00
7/29/2010 0.00
7/30/2010 0.00
7/31/2010 1.56
8/1/2010 **
8/2/2010 **
8/3/2010 **
8/4/2010 **
8/5/2010 **
8/6/2010 **
8/7/2010 1.89
8/8/2010 0.00
8/9/2010 0.13
8/10/2010 0.00
8/11/2010 0.00
8/12/2010 0.00
8/13/2010 0.00
8/14/2010 0.33
8/15/2010 **
8/16/2010 **
8/17/2010 **
8/18/2010 **
8/19/2010 **
8/20/2010 **
8/21/2010 0.88
8/22/2010 0.00
8/23/2010 0.00
8/24/2010 0.00
8/25/2010 0.00
8/26/2010 0.00
8/27/2010 0.00
8/28/2010 0.00
8/29/2010 0.00
8/30/2010 0.00
8/31/2010 0.00
9/1/2010 0.16
9/2/2010 0.02
9/3/2010 1.38
9/4/2010 0.00
9/5/2010 0.00
9/6/2010 0.04
9/7/2010 T
9/8/2010 0.00
9/9/2010 0.00
9/10/2010 0.00
9/11/2010 0.02
9/12/2010 0.30
9/13/2010 0.00
9/14/2010 0.00
9/15/2010 0.00
9/16/2010 0.03
9/17/2010 0.23
9/18/2010 0.00
9/19/2010 0.25
9/20/2010 T
9/21/2010 0.04
9/22/2010 0.02
9/23/2010 0.00
9/24/2010 0.22
9/25/2010 0.00
9/26/2010 0.00
9/27/2010 0.00
9/28/2010 0.00
9/29/2010 0.00
9/30/2010 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2009 7:00 AM 0.00 0.0 M M M It was a cool sunny day. Oh how I love fall weather in Chicago!
10/2/2009 7:00 AM 0.89 M M M M Most of the rain occurred after 19:00. We had only 0.18 before then.
10/3/2009 7:00 AM 0.14 M M M M
10/4/2009 7:00 AM 0.05 M M M M
10/5/2009 7:00 AM 0.00 0.0 M M M
10/6/2009 7:00 AM 0.02 M M M M
10/7/2009 7:00 AM 0.03 M M M M Mostly mist on and off until around 4 PM, then clearing.
10/8/2009 7:00 AM 0.00 0.0 M M M
10/9/2009 7:00 AM 0.24 M M M M Rained off and on all day - misting most of the evening
10/10/2009 7:00 AM 0.44 M M M M
10/11/2009 7:00 AM 0.00 0.0 M M M Steady at 30 deg F. So much for the summer plants.
10/12/2009 7:00 AM 0.00 0.0 M M M
10/13/2009 7:00 AM 0.03 M M M M Mist, mist, mist for a few hours
10/14/2009 7:00 AM 0.01 M M M M Just enough to register in the guage.
10/15/2009 7:00 AM 0.23 M M M M
10/16/2009 7:00 AM 0.23 M M M M Took the regular flu shot, and got the flu, boy was that fun.
10/17/2009 7:00 AM 0.14 M M M M Pea (3/8") hail fell right around 6:30 AM - fairly heavy
10/18/2009 7:00 AM 0.02 M M M M
10/19/2009 7:00 AM 0.00 0.0 M M M
10/20/2009 7:00 AM 0.00 0.0 M M M
10/21/2009 7:00 AM 0.04 M M M M
10/22/2009 7:00 AM T M M M M
10/23/2009 7:00 AM 1.83 M M M M The first 0.30" fell before 18:00, the next 0.65" fell between 18:00 & 00:00. Another 0.88 have fallen from 00:00 to 07:00. It is still raining consistently now.
10/24/2009 7:00 AM 0.35 M M M M Misty and wet most of the day
10/25/2009 7:00 AM 0.04 M M M M
10/26/2009 7:00 AM 0.33 M M M M
10/27/2009 7:00 AM 0.09 M M M M
10/28/2009 7:00 AM 0.08 M M M M
10/29/2009 7:00 AM 0.00 0.0 M M M
10/30/2009 7:00 AM 1.31 M M M M Still raining
10/31/2009 7:00 AM 0.63 M M M M
11/1/2009 7:00 AM 0.00 0.0 M M M Got pretty cool overnight. Excellent Halloween weather. Frost on the pumpkins!
11/2/2009 7:00 AM 0.00 0.0 M M M
11/3/2009 7:00 AM 0.02 M M M M Started raining right around 07:15 for about an hour on and off, then a clear, sunny day,..., Finally!
11/4/2009 7:00 AM 0.00 0.0 M M M
11/5/2009 7:00 AM T M M M M passing shower in the morning right after making the reading for the previous day. Raindrops on the cars and the wood decks. No measurable accumulation though
11/6/2009 7:00 AM 0.00 0.0 M M M
11/7/2009 7:00 AM 0.00 0.0 M M M
11/8/2009 7:00 AM 0.00 0.0 M M M
11/9/2009 7:00 AM 0.00 0.0 M M M
11/10/2009 7:00 AM 0.00 0.0 M M M
11/11/2009 7:00 AM 0.00 0.0 M M M
11/12/2009 7:00 AM 0.00 0.0 M M M
11/13/2009 7:00 AM 0.00 0.0 M M M
11/14/2009 7:00 AM 0.00 0.0 M M M
11/15/2009 7:00 AM T M M M M
11/16/2009 7:00 AM 0.00 0.0 M M M
11/17/2009 7:00 AM 0.00 0.0 M M M
11/18/2009 7:00 AM 0.12 M M M M
11/19/2009 7:00 AM 0.10 M M M M
11/20/2009 7:00 AM 0.09 M M M M
11/21/2009 7:00 AM 0.00 0.0 M M M
11/22/2009 7:00 AM 0.00 0.0 M M M
11/23/2009 7:00 AM 0.00 0.0 M M M
11/24/2009 7:00 AM 0.00 0.0 M M M
11/25/2009 7:00 AM 0.64 M M M M
11/26/2009 7:00 AM 0.33 M M M M
11/27/2009 7:00 AM T M M M M
11/28/2009 7:00 AM 0.00 0.0 M M M
11/29/2009 7:00 AM 0.00 0.0 M M M
11/30/2009 7:00 AM 0.07 M M M M
12/1/2009 7:00 AM 0.00 0.0 M M M
12/2/2009 7:00 AM 0.00 0.0 M M M
12/3/2009 7:00 AM 0.13 M M M M
12/4/2009 7:00 AM T T M T M Snow flurries during the day and into the night. Just a dusting after it got colder in the evening.
12/5/2009 7:00 AM 0.07 1.5 0.07 1.5 0.07
12/6/2009 7:00 AM 0.00 0.0 M M M
12/7/2009 7:00 AM 0.00 0.0 M M M
12/10/2009 7:00 AM 0.10 M M M M blowing snow no real depth to record. Melted value from within the guage.
12/11/2009 7:00 AM 0.00 0.0 M M M
12/12/2009 7:00 AM 0.00 0.0 M M M
12/13/2009 7:00 AM 0.00 0.0 M M M Home computer crashed - Will have to enter data at work until back up and running.
12/14/2009 7:00 AM T M M M M
12/15/2009 7:00 AM 0.01 M M M M
12/16/2009 7:00 AM 0.00 0.0 M M M
12/17/2009 7:00 AM 0.00 0.0 M M M
12/18/2009 7:00 AM T T T T T Home computer still dead. Waiting for new hard drive.
12/19/2009 7:00 AM 0.43 M M M M Computer still down at home. Entering data from office
12/20/2009 7:00 AM 0.14 T M 0.5 M
12/21/2009 7:00 AM T T M 0.5 M
12/22/2009 7:00 AM 0.23 1.7 M 2.0 M
12/23/2009 7:00 AM 0.12 M M M M
12/24/2009 7:00 AM 0.55 M M 1.5 M 1/8 inch of ice on trees and other structures. Unable to get accurate eading of new snow. Started out as snow, then switched to rain. Total snow depth is not an accurate measure of new snow.
12/25/2009 7:00 AM 1.20 M M 0.5 M
12/28/2009 7:00 AM 0.00 0.0 M 3.0 M
12/29/2009 7:00 AM 0.00 0.0 M M M
12/30/2009 7:00 AM 0.00 0.0 M M M
12/31/2009 7:00 AM 0.07 0.6 M 3.5 M
1/1/2010 7:00 AM 0.00 0.0 M 3.0 M
1/2/2010 7:00 AM 0.00 0.0 M M M
1/3/2010 7:00 AM T T T 2.0 M
1/4/2010 7:00 AM 0.00 0.0 M M M
1/5/2010 7:00 AM T T M 2.0 M So little snow in the guage that it sublimated to nothing when I brought it inside to melt.
1/6/2010 7:00 AM 0.00 0.0 M M M
1/7/2010 7:00 AM 0.07 0.7 M 2.5 M
1/8/2010 7:00 AM 0.46 4.0 M 6.5 M
1/9/2010 7:00 AM 0.00 0.0 M 6.5 M
1/13/2010 7:00 AM 0.00 0.0 M M M
1/14/2010 7:00 AM 0.00 0.0 M 3.5 M
1/15/2010 7:00 AM 0.00 0.0 M M M
1/16/2010 7:00 AM T T M 2.5 M
1/17/2010 7:00 AM T T M 2.0 M
1/18/2010 7:00 AM 0.00 0.0 M M M
1/19/2010 7:00 AM 0.00 0.0 M 2.0 M
1/20/2010 7:00 AM 0.00 0.0 M 2.0 M
1/21/2010 7:00 AM T M M 2.0 M freezing rain pellets fell last night @ around 22:30
1/22/2010 7:00 AM 0.04 M M 1.5 M
1/23/2010 7:00 AM T M M 1.0 M Misting or perhaps just wet fog. Either way, you still need to use your wiper blades, but tehre is almost nothing in the gage cylinder.
1/24/2010 7:00 AM 0.40 M M T M
1/25/2010 7:00 AM T M M T M
1/26/2010 7:00 AM 0.03 T 0.03 T M Light snow blowing. No real accumulation
1/27/2010 7:00 AM 0.00 0.0 M M M
1/28/2010 7:00 AM 0.02 T M T M
1/29/2010 7:00 AM 0.00 0.0 M T M COLD!
1/30/2010 7:00 AM T T M T M
1/31/2010 7:00 AM 0.00 0.0 M M M
2/1/2010 7:00 AM 0.00 0.0 M T M
2/2/2010 7:00 AM 0.03 1.0 M 1.0 M
2/3/2010 7:00 AM 0.08 1.0 M 1.5 M Ignore multi-day report, submitted in error
2/4/2010 7:00 AM 0.00 0.0 M 1.0 M
2/5/2010 7:00 AM 0.00 0.0 M 1.0 M
2/6/2010 7:00 AM T T M 0.5 M
2/7/2010 7:00 AM T T M 0.5 M
2/8/2010 7:00 AM 0.00 0.0 M 0.5 M
2/9/2010 7:00 AM 0.10 1.7 M 2.5 M
2/10/2010 7:00 AM 0.75 9.3 M 11.0 M Snow continues into the early morning. Now clear, cold and sunny.
2/11/2010 7:00 AM 0.00 0.0 M 10.5 M
2/12/2010 7:00 AM 0.00 0.0 M 10.0 M
2/13/2010 7:00 AM 0.00 0.0 M 7.0 M
2/14/2010 7:00 AM 0.00 0.0 M M M
2/15/2010 7:00 AM 0.00 0.0 M M M
2/16/2010 7:00 AM 0.01 0.2 M 5.0 M
2/17/2010 7:00 AM 0.00 0.0 M 5.0 M
2/18/2010 7:00 AM 0.00 0.0 M 5.0 M
2/19/2010 7:00 AM 0.00 0.0 M 3.0 M
2/20/2010 7:00 AM 0.11 1.8 M 5.0 M
2/21/2010 7:00 AM 0.00 0.0 M 4.5 M
2/22/2010 7:00 AM 0.62 2.9 M 8.0 M Very wet and slushy snow.
2/23/2010 7:00 AM 0.03 T M 7.0 M
2/24/2010 7:00 AM 0.00 0.0 M M M
2/25/2010 7:00 AM 0.18 1.8 M 9.5 M
2/26/2010 7:00 AM 0.00 0.0 M 8.5 M
2/27/2010 7:00 AM T T M 9.0 M
2/28/2010 7:00 AM 0.00 0.0 M 8.0 M
3/1/2010 7:00 AM T T M 7.5 M
3/2/2010 7:00 AM 0.00 0.0 M M M
3/3/2010 7:00 AM 0.00 0.0 M 5.0 M
3/4/2010 7:00 AM 0.00 0.0 M 5.0 M
3/5/2010 7:00 AM T M M 4.5 M Frost on gauge and all surfaces
3/6/2010 7:00 AM 0.00 0.0 M 4.0 M
3/7/2010 7:00 AM 0.00 0.0 M 4.0 M
3/8/2010 7:00 AM 0.01 M M 3.0 M
3/9/2010 7:00 AM T M M 2.0 M
3/10/2010 7:00 AM 0.10 M M 1.0 M
3/11/2010 7:00 AM 0.00 0.0 M M M
3/12/2010 7:00 AM 0.21 M M T M
3/13/2010 7:00 AM 0.23 M M T M
3/14/2010 7:00 AM 0.10 M M M M
3/15/2010 7:00 AM 0.00 0.0 M M M
3/16/2010 7:00 AM 0.00 0.0 M M M
3/17/2010 7:00 AM 0.00 0.0 M M M
3/18/2010 7:00 AM 0.00 0.0 M M M
3/19/2010 7:00 AM 0.00 0.0 M M M
3/22/2010 7:00 AM 0.00 0.0 M T M
3/23/2010 7:00 AM 0.00 0.0 M M M
3/24/2010 7:00 AM 0.00 0.0 M M M
3/25/2010 7:00 AM 0.05 M M M M
3/26/2010 7:00 AM 0.00 0.0 M M M
3/27/2010 7:00 AM 0.00 0.0 M M M
3/28/2010 7:00 AM T M M M M
3/29/2010 7:00 AM 0.00 0.0 M M M
3/30/2010 7:00 AM 0.00 0.0 M M M
3/31/2010 7:00 AM 0.00 0.0 M M M Beautiful morning, cool and a nice breeze
4/1/2010 7:00 AM 0.00 0.0 M M M
4/2/2010 7:00 AM 0.00 0.0 M M M
4/3/2010 7:00 AM 0.05 M M M M
4/4/2010 7:00 AM 0.23 M M M M
4/5/2010 7:00 AM 0.98 M M M M
4/6/2010 7:00 AM 1.93 M M M M Hail @ 22:55 1/4", 3/8", 5/8", diameter for five minutes. Reported earlier.
4/7/2010 7:00 AM 0.55 M M M M
4/8/2010 7:00 AM 0.23 M M M M
4/9/2010 7:00 AM T M M M M
4/13/2010 7:00 AM 0.00 0.0 M M M
4/14/2010 7:00 AM 0.00 0.0 M M M
4/15/2010 7:00 AM 0.00 0.0 M M M
4/16/2010 7:00 AM T M M M M
4/17/2010 7:00 AM 0.00 0.0 M M M
4/18/2010 7:00 AM 0.00 0.0 M M M
4/19/2010 7:00 AM 0.00 0.0 M M M Cool and crisp morning, lots of condensation on the car. Feels good to be alive!
4/20/2010 7:00 AM 0.00 0.0 M M M
4/21/2010 7:00 AM 0.00 0.0 M M M
4/22/2010 7:00 AM 0.02 M M M M intermittent misting and light rain last night. Cool crisp morning with lots of sunlight!
4/23/2010 7:00 AM 0.00 0.0 M M M
4/24/2010 7:00 AM 0.21 M M M M
4/25/2010 7:00 AM 0.25 M M M M
4/26/2010 7:00 AM 0.20 M M M M
4/27/2010 7:00 AM 0.00 0.0 M M M
4/28/2010 7:00 AM 0.00 0.0 M M M
4/29/2010 7:00 AM 0.00 0.0 M M M dry and cool.
4/30/2010 7:00 AM T M M M M Yesterday mid morning a little sprinkle
5/1/2010 7:00 AM 0.23 M M M M
5/2/2010 7:00 AM 0.83 M M M M
5/3/2010 7:00 AM 0.00 0.0 M M M
5/4/2010 7:00 AM 0.00 0.0 M M M
5/5/2010 7:00 AM 0.00 0.0 M M M
5/6/2010 7:00 AM 0.01 M M M M
5/7/2010 7:00 AM 0.58 M M M M
5/8/2010 7:00 AM 0.16 M M M M Rain ceased around 10 am yesterday. Misted a little toward the evening.
5/9/2010 7:00 AM 0.04 M M M M
5/10/2010 7:00 AM 0.00 0.0 M M M
5/11/2010 7:00 AM 0.95 M M M M
5/12/2010 7:00 AM 0.31 M M M M
5/13/2010 7:00 AM 1.78 M M M M Still raining steadily. Occasional lightning and thunder this morning, somewhat distant.
5/14/2010 7:00 AM 0.18 M M M M
5/15/2010 7:00 AM 0.00 0.0 M M M
5/16/2010 7:00 AM 0.00 0.0 M M M
5/17/2010 7:00 AM 0.04 M M M M Early morning light rain
5/18/2010 7:00 AM 0.00 0.0 M M M
5/19/2010 7:00 AM 0.00 0.0 M M M Beautiful spring morning, 48 deg, bright sun! Yeah
5/20/2010 7:00 AM 0.00 0.0 M M M
5/21/2010 7:00 AM 0.27 M M M M Power outage some time during the night.
5/22/2010 7:00 AM 0.06 M M M M FOG,
5/23/2010 7:00 AM 0.00 0.0 M M M
5/24/2010 7:00 AM 0.00 0.0 M M M Way too hot, way too early!
5/25/2010 7:00 AM 0.00 0.0 M M M Noticeably cooler by my house compared to my office out in Northbrook.
5/26/2010 7:00 AM 0.00 0.0 M M M
5/27/2010 7:00 AM 0.00 0.0 M M M
5/28/2010 7:00 AM 0.00 0.0 M M M
5/29/2010 7:00 AM 0.00 0.0 M M M
5/30/2010 7:00 AM 0.00 0.0 M M M
5/31/2010 7:00 AM 0.00 0.0 M M M
6/1/2010 7:00 AM 0.28 M M M M
6/2/2010 7:00 AM 0.88 M M M M
6/3/2010 7:00 AM 0.10 M M M M
6/4/2010 7:00 AM 0.00 0.0 M M M
6/5/2010 7:00 AM 0.00 0.0 M M M
6/8/2010 7:00 AM 0.06 M M M M
6/9/2010 7:00 AM 0.63 M M M M Light to moderate rain all day and into the early evening
6/10/2010 7:00 AM 0.00 0.0 M M M
6/11/2010 7:00 AM 0.23 M M M M Started after 05:30 and was over by 06:45
6/12/2010 7:00 AM 0.13 M M M M
6/13/2010 7:00 AM 0.27 M M M M
6/14/2010 7:00 AM 0.24 M M M M
6/15/2010 7:00 AM 0.04 M M M M
6/16/2010 7:00 AM 1.04 M M M M
6/17/2010 7:00 AM 0.00 0.0 M M M
6/18/2010 7:00 AM 0.03 M M M M
6/19/2010 7:00 AM 0.67 M M M M 0.30" from earlier storm that raced through the area @ 16:15. Next storms arrived around 21:00 and dumped another 0.37" in just about 30 minutes.
6/20/2010 7:00 AM 0.00 0.0 M M M
6/21/2010 7:00 AM 0.00 0.0 M M M
6/22/2010 7:00 AM 0.29 M M M M 0.03" from morning rains around 09:00. Then most of the rains occurred around 23:00 after a great thunder and lightning introduction for about 25 minutes.
6/23/2010 7:00 AM 0.03 M M M M
6/24/2010 7:00 AM 0.90 M M M M
6/25/2010 7:00 AM 0.00 0.0 M M M
6/26/2010 7:00 AM 0.33 M M M M
6/27/2010 7:00 AM 0.00 0.0 M M M
6/28/2010 7:00 AM 0.56 M M M M Rain began @ 09:10 AM, lasted about 40 minutes
6/29/2010 7:00 AM 0.00 0.0 M M M
6/30/2010 7:00 AM 0.00 0.0 M M M
7/1/2010 7:00 AM 0.00 0.0 M M M
7/2/2010 7:00 AM 0.00 0.0 M M M
7/3/2010 7:00 AM 0.00 0.0 M M M
7/4/2010 7:00 AM 0.00 0.0 M M M
7/5/2010 7:00 AM 0.02 M M M M Two short periods of light rain, one around 4:30 PM and the other after 8:30 PM. Otherwise just HOT and HUMID like the 4th of JULY!
7/6/2010 7:00 AM 0.00 0.0 M M M
7/7/2010 7:00 AM 0.51 M M M M initial rains added up to 0.42". The rest fell later on in a second wave 0.09".
7/8/2010 7:00 AM 0.77 M M M M
7/9/2010 7:00 AM 0.02 M M M M
7/10/2010 7:00 AM 0.00 0.0 M M M
7/11/2010 7:00 AM 0.04 M M M M
7/12/2010 7:00 AM 1.10 M M M M
7/13/2010 7:00 AM 0.02 M M M M
7/14/2010 7:00 AM 0.00 0.0 M M M
7/15/2010 7:00 AM 0.00 0.0 M M M
7/16/2010 7:00 AM 0.00 0.0 M M M
7/17/2010 7:00 AM 0.00 0.0 M M M
7/18/2010 7:00 AM 0.00 0.0 M M M
7/19/2010 7:00 AM 0.27 M M M M Heavy rain in a little more than 20 minutes. It ended as fast as it began.
7/20/2010 7:00 AM T M M M M
7/21/2010 7:00 AM T M M M M
7/22/2010 7:00 AM 0.00 0.0 M M M
7/23/2010 7:00 AM 0.08 M M M M
7/24/2010 7:00 AM 4.05 M M M M Started @ 6:40 PM, still drizzling now
7/25/2010 7:00 AM T M M M M
7/26/2010 7:00 AM 0.00 0.0 M M M
7/27/2010 7:00 AM 0.00 0.0 M M M
7/28/2010 7:00 AM 0.00 0.0 M M M
7/29/2010 7:00 AM 0.00 0.0 M M M
7/30/2010 7:00 AM 0.00 0.0 M M M
7/31/2010 7:00 AM 1.56 M M M M Very heavy rains around 02:30
8/8/2010 7:00 AM 0.00 0.0 M M M
8/9/2010 7:00 AM 0.13 M M M M First rain was @ 10:30 AM 08AUG (0.05") Second rain came early AM next day (0.08")
8/10/2010 7:00 AM 0.00 0.0 M M M
8/11/2010 7:00 AM 0.00 0.0 M M M
8/12/2010 7:00 AM 0.00 0.0 M M M
8/13/2010 7:00 AM 0.00 0.0 M M M
8/14/2010 7:00 AM 0.33 M M M M Rain began @ 20:47 for about 45 minutes
8/22/2010 7:00 AM 0.00 0.0 M M M
8/23/2010 7:00 AM 0.00 0.0 M M M
8/24/2010 7:00 AM 0.00 0.0 M M M
8/25/2010 7:00 AM 0.00 0.0 M M M The recent weather has been just exquisite. Chicago is not normally this nice.
8/26/2010 7:00 AM 0.00 0.0 M M M Another just beautiful day in Evanston. Crystal blue sky, some puffy cumulus, and a nice breeze. About 65 in the morning. Just a hint of the deep freeze to come!
8/27/2010 7:00 AM 0.00 0.0 M M M Another great weather day.
8/28/2010 7:00 AM 0.00 0.0 M M M
8/29/2010 7:00 AM 0.00 0.0 M M M
8/30/2010 7:00 AM 0.00 0.0 M M M
8/31/2010 7:00 AM 0.00 0.0 M M M
9/1/2010 7:00 AM 0.16 M M M M still raining lightly
9/2/2010 7:00 AM 0.02 M M M M
9/3/2010 7:00 AM 1.38 M M M M 0.46" from earlier in the day, the balance after 21:00.
9/4/2010 7:00 AM 0.00 0.0 M M M
9/5/2010 7:00 AM 0.00 0.0 M M M
9/6/2010 7:00 AM 0.04 M M M M Rained around 19:30 or so. Not very long
9/7/2010 7:00 AM T M M M M mid-afternoon sprinkles while outdoors with the kids. Didn't really get wet at all.
9/8/2010 7:00 AM 0.00 0.0 M M M
9/9/2010 7:00 AM 0.00 0.0 M M M
9/10/2010 7:00 AM 0.00 0.0 M M M
9/11/2010 7:00 AM 0.02 M M M M Started raining again around 07:30 after observation time.
9/12/2010 7:00 AM 0.30 M M M M
9/13/2010 7:00 AM 0.00 0.0 M M M
9/14/2010 7:00 AM 0.00 0.0 M M M
9/15/2010 7:00 AM 0.00 0.0 M M M
9/16/2010 7:00 AM 0.03 M M M M
9/17/2010 7:00 AM 0.23 M M M M
9/18/2010 7:00 AM 0.00 0.0 M M M
9/19/2010 7:00 AM 0.25 M M M M Morning rains around 9:30 AM. Then dry and breezy the rest of the day.
9/20/2010 7:00 AM T M M M M Very light misting from very low clouds near the lake this morning. Practically wet fog, but high enough not to obscure horizontal visual range.
9/21/2010 7:00 AM 0.04 M M M M Afternoon thunder shower - Began around 3:40 PM and lasted about 20 minutes.
9/22/2010 7:00 AM 0.02 M M M M
9/23/2010 7:00 AM 0.00 0.0 M M M
9/24/2010 7:00 AM 0.22 M M M M
9/25/2010 7:00 AM 0.00 0.0 M M M
9/26/2010 7:00 AM 0.00 0.0 M M M
9/27/2010 7:00 AM 0.00 0.0 M M M
9/28/2010 7:00 AM 0.00 0.0 M M M
9/29/2010 7:00 AM 0.00 0.0 M M M
9/30/2010 7:00 AM 0.00 0.0 M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
12/8/2009 12/09/2009 7:00 AM 2 0.91 0.0 M
12/26/2009 12/27/2009 11:00 PM 2 0.26 3.5 M
1/10/2010 1/12/2010 8:00 AM 3 0.02 6.0 M Had a heart attack on Saturday evening! Was in the hospital for two days, had a stent implanted, now back at home feeling great. What technology in medicine! WOW.
2/2/2010 2/03/2010 12:00 AM 2 0.00 0.0 M Delete this report. Wrong screen for entry
3/20/2010 3/21/2010 9:30 AM 2 0.68 2.0 M Actual measured snow depth before it started to melt was 2.4 inches yesterday afternoon @ 16:30. Computer was not available for data entry.
4/10/2010 4/12/2010 7:00 AM 3 0.02 M M OOT for Boy Scout Camporee - Janesville, WI
6/6/2010 6/07/2010 7:00 AM 2 1.02 M M
8/1/2010 8/07/2010 3:30 PM 7 1.89 M M
8/15/2010 8/21/2010 11:30 PM 7 0.88 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
10/17/2009 6:30 AM Hail fell while we were sleeping. Heard it start while waking. Covered ground fairly evenly, and did not melt very quickly since the temp outside was rather cool. 3/8" 1/4" Pea Size Rice Hard minor leaf damage False
4/5/2010 10:55 PM No hail pad. However impacts looked pretty close together and hail covered the ground within an inch of each other within a one foot square 3/4" Penny Size 1/2" Grape 1/4" Pea Size Hard|Clear Ice|White Ice 5 1min minor leaf damage Continuous True After rain Same time as smaller hail 10-20