Station Overview Station Location
Station Number IL-CK-121 Latitude 42.113853
Station Name Palatine 1.3 E Longitude -88.017779
County Cook Elevation (ft) 732



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 11 2.98 1.63 31 1.63 31 0.00 0 0 14 1 0.0 0 0
Nov 11 2.97 2.98 30 2.98 30 0.00 0 0 11 4 0.0 0 0
Dec 11 2.22 2.45 31 2.37 29 0.08 2 1 12 5 0.9 2 3
Jan 12 1.72 1.63 31 1.63 31 0.00 0 0 9 5 11.8 6 19
Feb 12 1.70 1.42 29 1.42 29 0.00 0 0 7 4 6.9 3 10
March 12 2.30 2.18 31 2.18 31 0.00 0 0 9 4 0.5 2 3
April 12 3.44 2.70 30 2.70 30 0.00 0 0 12 2 0.0 0 0
May 12 4.12 1.49 31 1.49 31 0.00 0 0 11 6 0.0 0 0
June 12 4.01 2.49 30 2.49 30 0.00 0 0 4 2 0.0 0 0
July 12 3.78 2.79 31 2.79 31 0.00 0 0 9 3 0.0 0 0
Aug 12 4.51 2.89 31 2.89 31 0.00 0 0 12 1 0.0 0 0
Sept 12 3.38 1.32 30 1.32 30 0.00 0 0 14 1 0.0 0 0
Water Year Totals: 37.13" 25.97" 366 days 25.89" 364 0.08" 2 days 1 124 days 38 days 20.1" 13 days 35 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
10/1/2011 0.03
10/2/2011 0.00
10/3/2011 0.00
10/4/2011 0.00
10/5/2011 0.00
10/6/2011 0.00
10/7/2011 0.00
10/8/2011 0.00
10/9/2011 0.00
10/10/2011 0.00
10/11/2011 0.00
10/12/2011 0.00
10/13/2011 0.20
10/14/2011 0.14
10/15/2011 0.02
10/16/2011 0.17
10/17/2011 0.00
10/18/2011 0.01
10/19/2011 T
10/20/2011 0.39
10/21/2011 0.02
10/22/2011 0.00
10/23/2011 0.00
10/24/2011 0.33
10/25/2011 0.01
10/26/2011 0.02
10/27/2011 0.00
10/28/2011 0.13
10/29/2011 0.01
10/30/2011 0.00
10/31/2011 0.15
11/1/2011 0.01
11/2/2011 0.01
11/3/2011 0.23
11/4/2011 0.01
11/5/2011 0.00
11/6/2011 0.00
11/7/2011 T
11/8/2011 0.95
11/9/2011 0.64
11/10/2011 0.02
11/11/2011 0.00
11/12/2011 0.00
11/13/2011 0.00
11/14/2011 0.00
11/15/2011 0.00
11/16/2011 0.00
11/17/2011 0.00
11/18/2011 0.00
11/19/2011 0.00
11/20/2011 T
11/21/2011 0.00
11/22/2011 T
11/23/2011 0.22
11/24/2011 0.02
11/25/2011 0.00
11/26/2011 0.00
11/27/2011 0.85
11/28/2011 0.02
11/29/2011 0.00
11/30/2011 T
12/1/2011 0.00
12/2/2011 0.06
12/3/2011 0.23
12/4/2011 0.15
12/5/2011 0.04
12/6/2011 **
12/7/2011 0.08
12/8/2011 0.00
12/9/2011 0.03
12/10/2011 0.00
12/11/2011 0.00
12/12/2011 0.00
12/13/2011 0.00
12/14/2011 0.73
12/15/2011 0.63
12/16/2011 0.00
12/17/2011 0.05
12/18/2011 T
12/19/2011 T
12/20/2011 0.00
12/21/2011 0.05
12/22/2011 T
12/23/2011 T
12/24/2011 0.00
12/25/2011 0.00
12/26/2011 0.00
12/27/2011 0.05
12/28/2011 0.00
12/29/2011 T
12/30/2011 0.14
12/31/2011 0.21
Day of YearDaily PrcpMultiday Prcp
1/1/2012 0.02
1/2/2012 0.06
1/3/2012 T
1/4/2012 0.00
1/5/2012 0.00
1/6/2012 0.00
1/7/2012 0.00
1/8/2012 0.00
1/9/2012 0.00
1/10/2012 0.00
1/11/2012 0.00
1/12/2012 T
1/13/2012 0.60
1/14/2012 0.00
1/15/2012 0.00
1/16/2012 0.00
1/17/2012 0.10
1/18/2012 T
1/19/2012 0.00
1/20/2012 0.00
1/21/2012 0.46
1/22/2012 0.05
1/23/2012 0.27
1/24/2012 0.00
1/25/2012 0.00
1/26/2012 T
1/27/2012 0.00
1/28/2012 0.06
1/29/2012 T
1/30/2012 0.01
1/31/2012 0.00
2/1/2012 0.00
2/2/2012 0.00
2/3/2012 0.00
2/4/2012 0.00
2/5/2012 T
2/6/2012 0.00
2/7/2012 0.00
2/8/2012 0.01
2/9/2012 0.00
2/10/2012 T
2/11/2012 0.07
2/12/2012 0.00
2/13/2012 0.00
2/14/2012 0.02
2/15/2012 0.00
2/16/2012 0.18
2/17/2012 0.00
2/18/2012 0.00
2/19/2012 0.00
2/20/2012 0.00
2/21/2012 T
2/22/2012 0.05
2/23/2012 0.00
2/24/2012 0.86
2/25/2012 T
2/26/2012 0.00
2/27/2012 0.00
2/28/2012 0.00
2/29/2012 0.23
3/1/2012 0.03
3/2/2012 0.00
3/3/2012 0.22
3/4/2012 T
3/5/2012 0.01
3/6/2012 0.00
3/7/2012 0.00
3/8/2012 0.30
3/9/2012 0.00
3/10/2012 0.00
3/11/2012 0.00
3/12/2012 0.25
3/13/2012 0.00
3/14/2012 0.00
3/15/2012 0.00
3/16/2012 0.00
3/17/2012 0.00
3/18/2012 0.00
3/19/2012 T
3/20/2012 0.00
3/21/2012 0.00
3/22/2012 0.17
3/23/2012 0.82
3/24/2012 0.02
3/25/2012 0.00
3/26/2012 T
3/27/2012 0.00
3/28/2012 0.00
3/29/2012 0.00
3/30/2012 0.36
3/31/2012 T
Day of YearDaily PrcpMultiday Prcp
4/1/2012 0.10
4/2/2012 0.00
4/3/2012 0.00
4/4/2012 0.00
4/5/2012 0.00
4/6/2012 0.00
4/7/2012 0.00
4/8/2012 T
4/9/2012 0.01
4/10/2012 0.00
4/11/2012 0.00
4/12/2012 0.00
4/13/2012 0.00
4/14/2012 0.00
4/15/2012 1.49
4/16/2012 0.18
4/17/2012 0.00
4/18/2012 0.01
4/19/2012 0.05
4/20/2012 0.11
4/21/2012 0.01
4/22/2012 0.00
4/23/2012 0.00
4/24/2012 0.00
4/25/2012 T
4/26/2012 0.15
4/27/2012 0.00
4/28/2012 0.26
4/29/2012 0.02
4/30/2012 0.31
5/1/2012 0.03
5/2/2012 0.05
5/3/2012 T
5/4/2012 0.26
5/5/2012 T
5/6/2012 T
5/7/2012 0.52
5/8/2012 0.07
5/9/2012 T
5/10/2012 0.05
5/11/2012 0.00
5/12/2012 T
5/13/2012 T
5/14/2012 0.00
5/15/2012 0.00
5/16/2012 0.03
5/17/2012 0.00
5/18/2012 0.00
5/19/2012 0.00
5/20/2012 0.00
5/21/2012 0.03
5/22/2012 0.00
5/23/2012 0.00
5/24/2012 0.00
5/25/2012 0.00
5/26/2012 0.09
5/27/2012 0.33
5/28/2012 0.00
5/29/2012 0.00
5/30/2012 0.00
5/31/2012 0.03
6/1/2012 1.17
6/2/2012 0.01
6/3/2012 0.00
6/4/2012 0.00
6/5/2012 0.00
6/6/2012 0.00
6/7/2012 0.00
6/8/2012 0.00
6/9/2012 0.00
6/10/2012 0.00
6/11/2012 0.00
6/12/2012 0.00
6/13/2012 0.00
6/14/2012 0.00
6/15/2012 0.00
6/16/2012 0.00
6/17/2012 0.95
6/18/2012 0.00
6/19/2012 0.00
6/20/2012 0.00
6/21/2012 0.00
6/22/2012 T
6/23/2012 0.00
6/24/2012 0.00
6/25/2012 0.00
6/26/2012 0.00
6/27/2012 0.00
6/28/2012 0.00
6/29/2012 T
6/30/2012 0.36
Day of YearDaily PrcpMultiday Prcp
7/1/2012 0.00
7/2/2012 0.00
7/3/2012 0.00
7/4/2012 0.00
7/5/2012 0.00
7/6/2012 0.00
7/7/2012 0.00
7/8/2012 0.00
7/9/2012 0.00
7/10/2012 0.00
7/11/2012 0.00
7/12/2012 0.00
7/13/2012 0.00
7/14/2012 0.88
7/15/2012 0.01
7/16/2012 0.00
7/17/2012 0.00
7/18/2012 0.00
7/19/2012 0.99
7/20/2012 0.03
7/21/2012 0.00
7/22/2012 0.00
7/23/2012 T
7/24/2012 0.57
7/25/2012 0.01
7/26/2012 0.09
7/27/2012 0.06
7/28/2012 T
7/29/2012 0.00
7/30/2012 T
7/31/2012 0.15
8/1/2012 0.00
8/2/2012 0.00
8/3/2012 0.00
8/4/2012 0.00
8/5/2012 0.17
8/6/2012 0.00
8/7/2012 0.00
8/8/2012 0.00
8/9/2012 0.01
8/10/2012 1.03
8/11/2012 0.02
8/12/2012 0.00
8/13/2012 0.07
8/14/2012 0.17
8/15/2012 T
8/16/2012 0.00
8/17/2012 0.27
8/18/2012 0.00
8/19/2012 0.00
8/20/2012 0.00
8/21/2012 0.50
8/22/2012 0.00
8/23/2012 0.06
8/24/2012 0.01
8/25/2012 0.00
8/26/2012 0.00
8/27/2012 0.57
8/28/2012 0.01
8/29/2012 0.00
8/30/2012 0.00
8/31/2012 0.00
9/1/2012 0.00
9/2/2012 0.07
9/3/2012 0.00
9/4/2012 0.02
9/5/2012 0.22
9/6/2012 0.02
9/7/2012 0.02
9/8/2012 0.08
9/9/2012 0.38
9/10/2012 0.01
9/11/2012 0.00
9/12/2012 0.00
9/13/2012 0.00
9/14/2012 0.16
9/15/2012 T
9/16/2012 0.00
9/17/2012 0.00
9/18/2012 0.19
9/19/2012 0.01
9/20/2012 0.00
9/21/2012 0.02
9/22/2012 0.11
9/23/2012 0.01
9/24/2012 0.00
9/25/2012 0.00
9/26/2012 0.00
9/27/2012 0.00
9/28/2012 0.00
9/29/2012 0.00
9/30/2012 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2011 8:00 AM 0.03 M M M M
10/2/2011 7:00 AM 0.00 0.0 M M M clear; a trace was observed but was probably dew
10/3/2011 7:50 AM 0.00 0.0 M M M a trace from dew
10/4/2011 10:05 AM 0.00 0.0 M M M
10/5/2011 11:30 AM 0.00 0.0 M M M
10/6/2011 1:50 PM 0.00 0.0 M M M
10/7/2011 5:30 PM 0.00 0.0 M M M
10/8/2011 1:20 PM 0.00 0.0 M M M
10/9/2011 3:45 PM 0.00 0.0 M M M clear, warm
10/10/2011 7:00 AM 0.00 0.0 M M M
10/11/2011 7:00 AM 0.00 0.0 M M M
10/12/2011 7:00 AM 0.00 0.0 M M M
10/13/2011 1:49 PM 0.20 M M M M light rain
10/14/2011 6:30 PM 0.14 M M M M
10/15/2011 7:00 PM 0.02 M M M M
10/16/2011 4:10 PM 0.17 M M M M
10/17/2011 5:30 PM 0.00 0.0 M M M 0.02 probably from dew
10/18/2011 7:00 PM 0.01 M M M M
10/19/2011 6:57 AM T M M M M light rain and windy with strong gusts
10/20/2011 7:00 AM 0.39 M M M M drizzle and windy - some small branches down
10/21/2011 6:00 AM 0.02 M M M M
10/22/2011 7:40 AM 0.00 0.0 M M M a trace from dew
10/23/2011 6:25 AM 0.00 0.0 M M M
10/24/2011 7:30 AM 0.33 M M M M thunderstorm hit around 10:55 PM
10/25/2011 5:27 AM 0.01 M M M M drizzle
10/26/2011 5:00 AM 0.02 M M M M
10/27/2011 5:50 AM 0.00 0.0 M M M
10/28/2011 7:25 AM 0.13 M M M M light fog and very heavy dew; convective rain shower yesterday afternoon despite temps in the low 50s
10/29/2011 4:00 PM 0.01 M M M M
10/30/2011 5:55 AM 0.00 0.0 M M M
10/31/2011 10:15 AM 0.15 M M M M
11/1/2011 10:40 AM 0.01 M M M M
11/2/2011 9:35 AM 0.01 M M M M
11/3/2011 10:30 AM 0.23 M M M M overcast and windy; low clouds moving rapidly from the northeast
11/4/2011 12:30 PM 0.01 M M M M
11/5/2011 7:00 AM 0.00 0.0 M M M
11/6/2011 11:10 AM 0.00 0.0 M M M low overcast; begin CST
11/7/2011 1:25 PM T M M M M
11/8/2011 2:30 PM 0.95 M M M M overcast; stratus
11/9/2011 1:48 PM 0.64 M M M M drizzle
11/10/2011 6:25 PM 0.02 M M M M
11/11/2011 5:35 AM 0.00 0.0 M M M frost on gauge
11/12/2011 7:00 AM 0.00 0.0 M M M
11/13/2011 5:30 AM 0.00 0.0 M M M
11/14/2011 5:15 AM 0.00 0.0 M M M
11/15/2011 6:20 AM 0.00 0.0 M M M clear; heavy dew
11/16/2011 7:00 AM 0.00 0.0 M M M
11/17/2011 6:40 AM 0.00 0.0 M M M
11/18/2011 9:15 AM 0.00 0.0 M M M windy
11/19/2011 8:50 AM 0.00 0.0 M M M
11/20/2011 7:10 AM T 0.0 M M M
11/21/2011 7:25 AM 0.00 0.0 M M M
11/22/2011 7:41 AM T M M M M drizzle
11/23/2011 9:10 AM 0.22 M M M M
11/24/2011 9:45 AM 0.02 M M M M
11/25/2011 10:10 AM 0.00 0.0 M M M trace from dew
11/26/2011 9:35 AM 0.00 0.0 M M M overcast
11/27/2011 7:50 PM 0.85 M M M M
11/28/2011 9:50 AM 0.02 M M M M mostly cloudy
11/29/2011 10:10 AM 0.00 0.0 M M M some small branches down
11/30/2011 1:05 AM T M M M M just a few drops of rain yesterday afternoon
12/1/2011 3:45 PM 0.00 0.0 M M M
12/2/2011 1:00 PM 0.06 T M M M snow started sticking on grass late last night
12/3/2011 3:45 PM 0.23 M M M M
12/4/2011 3:05 PM 0.15 M M M M overcast
12/5/2011 4:26 PM 0.04 M M M M drizzle
12/8/2011 7:00 AM 0.00 0.0 M M M
12/9/2011 5:50 AM 0.03 0.3 M 0.3 M first measurable snow of the season; overcast
12/10/2011 9:30 AM 0.00 0.0 M T M
12/11/2011 7:00 AM 0.00 0.0 M M M
12/12/2011 7:20 AM 0.00 0.0 M 0.0 M
12/13/2011 6:30 AM 0.00 0.0 M 0.0 M
12/14/2011 8:10 AM 0.73 M M 0.0 M rain
12/15/2011 4:45 AM 0.63 M M 0.0 M
12/16/2011 8:40 AM 0.00 0.0 M 0.0 M
12/17/2011 7:00 AM 0.05 0.6 0.05 0.6 M light snow
12/18/2011 7:55 AM T T M 0.6 M light snow - very small flakes, fog, heavy frost on gauge, some blue sky visible through the fog
12/19/2011 8:25 AM T T M T M clear and warmer
12/20/2011 11:10 AM 0.00 0.0 M 0.0 M overcast
12/21/2011 10:51 AM 0.05 0.0 M 0.0 M drizzle
12/22/2011 1:03 PM T 0.0 M 0.0 M drizzle
12/23/2011 4:55 AM T 0.0 M 0.0 M clear
12/24/2011 1:25 PM 0.00 0.0 M 0.0 M clear
12/25/2011 1:35 PM 0.00 0.0 M 0.0 M partly cloudy - stratocumulus moving from the northwest
12/26/2011 3:15 PM 0.00 0.0 M 0.0 M partly cloudy
12/27/2011 6:45 AM 0.05 0.0 M 0.0 M
12/28/2011 7:00 AM 0.00 0.0 M M M
12/29/2011 7:00 AM T 0.0 M 0.0 M
12/30/2011 7:00 AM 0.14 0.0 M 0.0 M rain; observation made at exactly 7:00 AM
12/31/2011 5:10 AM 0.21 0.0 M 0.0 M clear; 0.05" was frozen in the gauge
1/1/2012 7:00 AM 0.02 0.0 M 0.0 M rain and wind; observation at exactly 7:00 AM
1/2/2012 7:00 AM 0.06 0.2 0.01 0.2 M light snow and windy; gauge caught only a trace of snow; gauge was emptied as rain ended along with a few snowflakes yesterday morning around 8:30 AM with 0.05"; been lightly snowing on and off with much colder temps and strong wind since then
1/3/2012 5:45 AM T T M T M clear and cold
1/4/2012 8:55 AM 0.00 0.0 M T M
1/5/2012 5:15 PM 0.00 0.0 M 0.0 M My brother is making observations for me starting today.
1/6/2012 3:00 PM 0.00 0.0 M 0.0 M
1/7/2012 7:00 AM 0.00 0.0 M M M
1/8/2012 7:00 AM 0.00 0.0 M M M
1/9/2012 7:00 AM 0.00 0.0 M M M
1/10/2012 7:00 AM 0.00 0.0 M M M
1/11/2012 7:00 AM 0.00 0.0 M M M
1/12/2012 9:45 AM T T M M M Just started snowing
1/13/2012 12:10 PM 0.60 5.2 0.60 5.2 M gauge caught 0.48
1/14/2012 4:00 PM 0.00 0.0 M 5.2 M
1/15/2012 7:00 AM 0.00 0.0 M M M
1/16/2012 6:00 PM 0.00 0.0 M 3.0 M
1/17/2012 2:00 PM 0.10 T T 2.5 M 0.10" of frozen rain in gauge and on snow board, with 0.1" of snow on top of it; changing new snow from 0.1 to T to avoid error
1/18/2012 1:00 PM T 0.2 T 2.0 M correcting for the error which occurred yesterday by adding the missing 0.1" of new snow from yesterdays report to this one: actual new snow amount was 0.1"
1/19/2012 6:00 PM 0.00 0.0 M 2.0 M
1/20/2012 9:00 AM 0.00 0.0 M 2.0 M
1/21/2012 1:30 PM 0.46 5.5 0.45 7.0 M
1/22/2012 11:00 PM 0.05 0.0 M 6.5 M
1/23/2012 2:30 PM 0.27 0.0 M 3.0 M
1/24/2012 1:00 PM 0.00 0.0 M 2.0 M
1/25/2012 1:50 PM 0.00 0.0 M 2.0 M
1/26/2012 6:45 PM T 0.0 M 2.0 M
1/27/2012 2:30 PM 0.00 0.0 M 2.0 M
1/28/2012 6:50 AM 0.06 0.5 0.04 2.5 M snow stopped only 1-2 hours ago, but sky is already totally clear; I am back making observations myself again
1/29/2012 4:45 AM T T M 2.5 M very light snow
1/30/2012 4:55 AM 0.01 0.2 0.01 2.5 M snow fell yesterday morning; overcast; gauge caught a trace
1/31/2012 6:45 AM 0.00 0.0 M 1.0 M warm and windy
2/1/2012 5:20 AM 0.00 0.0 M T M
2/2/2012 4:40 AM 0.00 0.0 M T M very heavy frost on gauge; only a tiny trace of old snow left
2/3/2012 7:35 AM 0.00 0.0 M T M overcast
2/4/2012 8:00 AM 0.00 0.0 M T M
2/5/2012 7:40 AM T 0.0 M T M
2/6/2012 6:25 PM 0.00 0.0 M T M
2/7/2012 5:25 AM 0.00 0.0 M T M
2/8/2012 7:55 AM 0.01 T M T M some bursts of lake effect snow yesterday...especially in the morning; only remaining snow now is the old piles
2/9/2012 5:35 AM 0.00 0.0 M T M
2/10/2012 9:58 AM T T M T M very light snow
2/11/2012 8:15 AM 0.07 0.8 0.06 0.8 M snow fell with pretty strong wind yesterday
2/12/2012 11:30 AM 0.00 0.0 M 0.5 M
2/13/2012 8:25 AM 0.00 0.0 M 0.5 M
2/14/2012 9:30 AM 0.02 0.2 0.02 0.5 M light snow
2/15/2012 10:30 AM 0.00 0.0 M T M only half of ground snow covered
2/16/2012 4:15 AM 0.18 0.0 M T M
2/17/2012 1:00 PM 0.00 0.0 M 0.0 M overcast
2/18/2012 3:40 PM 0.00 0.0 M 0.0 M
2/19/2012 7:00 AM 0.00 0.0 M M M
2/20/2012 7:00 AM 0.00 0.0 M M M
2/21/2012 5:37 AM T T M T M mix of rain and snow - more snow than rain
2/22/2012 5:35 AM 0.05 T M 0.0 M not sure how much fell as snow
2/23/2012 5:55 AM 0.00 0.0 M 0.0 M very heavy dew on gauge, accumulated a trace; frost on grass
2/24/2012 7:25 AM 0.86 5.9 0.86 5.9 M gauge caught only 0.79; still snowing; lots of snow sticking to tree branches, causing them to sag
2/25/2012 6:25 AM T T M 5.0 M
2/26/2012 5:25 AM 0.00 0.0 M 5.0 M
2/27/2012 5:50 AM 0.00 0.0 M 3.5 M
2/28/2012 4:55 AM 0.00 0.0 M 3.5 M
2/29/2012 6:30 AM 0.23 0.0 M 1.0 M fog; half of ground bare
3/1/2012 7:10 AM 0.03 0.0 M T M
3/2/2012 4:25 AM 0.00 0.0 M T M
3/3/2012 5:10 AM 0.22 0.4 0.16 0.4 M
3/4/2012 6:20 AM T T M 0.4 M
3/5/2012 7:30 AM 0.01 0.1 M 0.5 M
3/6/2012 9:30 AM 0.00 0.0 M T M
3/7/2012 8:20 AM 0.00 0.0 M 0.0 M
3/8/2012 10:10 AM 0.30 0.0 M 0.0 M saw a flash of lightning last night; partly cloudy
3/9/2012 10:40 AM 0.00 0.0 M 0.0 M
3/10/2012 7:00 AM 0.00 0.0 M M M
3/11/2012 10:25 AM 0.00 0.0 M 0.0 M
3/12/2012 12:20 PM 0.25 0.0 M 0.0 M windy and overcast - stratocumulus
3/13/2012 12:55 PM 0.00 0.0 M 0.0 M
3/14/2012 1:20 PM 0.00 0.0 M 0.0 M clear and very warm
3/15/2012 12:50 PM 0.00 0.0 M 0.0 M
3/16/2012 2:10 PM 0.00 0.0 M 0.0 M cumulus with some vertical building
3/17/2012 2:30 PM 0.00 0.0 M 0.0 M
3/18/2012 2:35 PM 0.00 0.0 M 0.0 M
3/19/2012 7:00 PM T 0.0 M 0.0 M
3/20/2012 5:40 PM 0.00 0.0 M 0.0 M
3/21/2012 4:45 PM 0.00 0.0 M 0.0 M
3/22/2012 4:07 PM 0.17 0.0 M 0.0 M light rain
3/23/2012 5:30 PM 0.82 0.0 M 0.0 M cooler and overcast
3/24/2012 9:10 AM 0.02 0.0 M 0.0 M mist
3/25/2012 9:45 AM 0.00 0.0 M 0.0 M
3/26/2012 7:20 AM T 0.0 M 0.0 M
3/27/2012 8:15 AM 0.00 0.0 M 0.0 M
3/28/2012 7:10 AM 0.00 0.0 M 0.0 M
3/29/2012 8:00 AM 0.00 0.0 M 0.0 M
3/30/2012 7:48 AM 0.36 0.0 M 0.0 M thunder began at 5:34 AM, rain began at 5:45 AM
3/31/2012 7:00 AM T 0.0 M 0.0 M trace was from leftover drizzle yesterday morning
4/1/2012 7:15 AM 0.10 0.0 M 0.0 M thunder began at 5:00 AM, light rain began at 5:16 AM, heavier rain at 5:18 AM
4/2/2012 7:35 AM 0.00 0.0 M 0.0 M
4/3/2012 6:10 AM 0.00 0.0 M 0.0 M
4/4/2012 8:10 AM 0.00 0.0 M 0.0 M
4/5/2012 5:00 AM 0.00 0.0 M 0.0 M
4/6/2012 7:00 AM 0.00 0.0 M 0.0 M frost
4/7/2012 9:30 AM 0.00 0.0 M 0.0 M
4/8/2012 8:50 AM T 0.0 M 0.0 M
4/9/2012 8:45 AM 0.01 0.0 M 0.0 M
4/10/2012 10:45 AM 0.00 0.0 M 0.0 M cold and windy
4/11/2012 10:10 AM 0.00 0.0 M 0.0 M
4/12/2012 10:10 AM 0.00 0.0 M 0.0 M
4/13/2012 10:15 AM 0.00 0.0 M 0.0 M
4/14/2012 3:50 PM 0.00 0.0 M 0.0 M
4/15/2012 6:50 AM 1.49 0.0 M 0.0 M thunderstorm around midnight
4/16/2012 12:00 PM 0.18 0.0 M 0.0 M very windy
4/17/2012 12:30 PM 0.00 0.0 M 0.0 M
4/18/2012 3:30 PM 0.01 0.0 M 0.0 M
4/19/2012 3:15 PM 0.05 0.0 M 0.0 M
4/20/2012 2:05 PM 0.11 0.0 M 0.0 M
4/21/2012 3:10 PM 0.01 0.0 M 0.0 M
4/22/2012 7:05 AM 0.00 0.0 M 0.0 M
4/23/2012 6:20 AM 0.00 0.0 M 0.0 M
4/24/2012 7:15 AM 0.00 0.0 M 0.0 M
4/25/2012 7:10 AM T 0.0 M 0.0 M light rain
4/26/2012 6:50 AM 0.15 0.0 M 0.0 M
4/27/2012 5:00 AM 0.00 0.0 M 0.0 M a trace that was probably from dew
4/28/2012 7:14 AM 0.26 0.0 M 0.0 M light rain
4/29/2012 6:20 AM 0.02 0.0 M 0.0 M
4/30/2012 4:40 AM 0.31 0.0 M 0.0 M
5/1/2012 4:45 AM 0.03 0.0 M 0.0 M
5/2/2012 5:30 AM 0.05 0.0 M 0.0 M
5/3/2012 5:05 AM T 0.0 M 0.0 M
5/4/2012 6:30 AM 0.26 0.0 M 0.0 M thunderstorm last night
5/5/2012 5:45 AM T 0.0 M 0.0 M fog/mist
5/6/2012 7:55 AM T 0.0 M 0.0 M
5/7/2012 10:38 AM 0.52 0.0 M 0.0 M light rain
5/8/2012 9:00 AM 0.07 0.0 M 0.0 M clear
5/9/2012 8:20 AM T 0.0 M 0.0 M
5/10/2012 11:45 AM 0.05 0.0 M 0.0 M
5/11/2012 10:45 AM 0.00 0.0 M 0.0 M first zero of the month
5/12/2012 11:47 AM T 0.0 M 0.0 M light rain
5/13/2012 1:00 PM T 0.0 M 0.0 M
5/14/2012 1:45 PM 0.00 0.0 M 0.0 M
5/15/2012 7:00 AM 0.00 0.0 M M M
5/16/2012 2:15 PM 0.03 0.0 M 0.0 M thunder and strong wind yesterday evening
5/17/2012 2:15 PM 0.00 0.0 M 0.0 M
5/18/2012 4:25 PM 0.00 0.0 M 0.0 M
5/19/2012 2:30 PM 0.00 0.0 M 0.0 M very warm and partly cloudy - cumulus
5/20/2012 4:00 PM 0.00 0.0 M 0.0 M
5/21/2012 5:10 AM 0.03 0.0 M 0.0 M
5/22/2012 7:00 AM 0.00 0.0 M M M
5/23/2012 5:30 AM 0.00 0.0 M 0.0 M
5/24/2012 6:30 AM 0.00 0.0 M 0.0 M
5/25/2012 5:45 AM 0.00 0.0 M 0.0 M
5/26/2012 7:25 AM 0.09 0.0 M 0.0 M occasional thunder over the last few hours, became very loud from 6:33 to 6:38; drizzle
5/27/2012 10:10 AM 0.33 0.0 M 0.0 M thunderstorm hit at exactly 10:00 AM yesterday, 1/2 inch hail began at 10:02 and lasted 3 minutes. gauge had 0.24" at 10:06, I think most or all of which fell since 10:00 AM
5/28/2012 7:15 AM 0.00 0.0 M 0.0 M
5/29/2012 8:50 AM 0.00 0.0 M 0.0 M
5/30/2012 8:00 AM 0.00 0.0 M 0.0 M clear
5/31/2012 5:44 AM 0.03 0.0 M 0.0 M light rain
6/1/2012 8:40 AM 1.17 0.0 M 0.0 M rained all day yesterday; overcast
6/2/2012 8:10 AM 0.01 0.0 M 0.0 M
6/3/2012 8:40 AM 0.00 0.0 M 0.0 M
6/4/2012 10:15 AM 0.00 0.0 M 0.0 M
6/5/2012 7:00 AM 0.00 0.0 M M M
6/6/2012 7:00 AM 0.00 0.0 M M M
6/7/2012 10:45 AM 0.00 0.0 M 0.0 M
6/8/2012 12:45 PM 0.00 0.0 M 0.0 M
6/9/2012 12:30 PM 0.00 0.0 M 0.0 M
6/10/2012 9:50 AM 0.00 0.0 M 0.0 M
6/11/2012 7:00 AM 0.00 0.0 M M M
6/12/2012 3:10 PM 0.00 0.0 M 0.0 M
6/13/2012 7:00 AM 0.00 0.0 M M M
6/14/2012 7:00 AM 0.00 0.0 M M M
6/15/2012 7:00 AM 0.00 0.0 M M M
6/16/2012 7:00 AM 0.00 0.0 M M M
6/17/2012 6:10 AM 0.95 0.0 M 0.0 M good soaking rain after a pretty long dry period
6/18/2012 8:15 AM 0.00 0.0 M 0.0 M
6/19/2012 8:30 AM 0.00 0.0 M 0.0 M
6/20/2012 6:00 AM 0.00 0.0 M 0.0 M
6/21/2012 10:00 AM 0.00 0.0 M 0.0 M
6/22/2012 5:25 AM T 0.0 M 0.0 M heard a few raindrops yesterday morning, nothing in gauge now
6/23/2012 6:00 AM 0.00 0.0 M 0.0 M
6/24/2012 5:15 AM 0.00 0.0 M 0.0 M
6/25/2012 7:00 AM 0.00 0.0 M M M
6/26/2012 5:20 AM 0.00 0.0 M 0.0 M clear
6/27/2012 6:40 AM 0.00 0.0 M 0.0 M
6/28/2012 7:40 AM 0.00 0.0 M 0.0 M warm, clear
6/29/2012 8:00 AM T 0.0 M 0.0 M noticed an occasional drop of rain from 5:05-5:35 PM yesterday as one storm went just to my north and another just to my south. heard plenty of thunder.
6/30/2012 9:10 AM 0.36 0.0 M 0.0 M A thunderstorm with an impressive shelf cloud hit at 11:10 AM yesterday, putting down 0.28". Another storm began at 10:20 PM.
7/1/2012 11:50 AM 0.00 0.0 M 0.0 M strong winds from thunderstorm outflow now (12:30 PM)
7/2/2012 11:00 AM 0.00 0.0 M 0.0 M
7/3/2012 12:35 PM 0.00 0.0 M 0.0 M
7/4/2012 12:25 AM 0.00 0.0 M 0.0 M
7/5/2012 9:30 AM 0.00 0.0 M 0.0 M
7/6/2012 3:10 PM 0.00 0.0 M 0.0 M thunder yesterday afternoon - storm to the east; hot, humid, partly cloudy - cumulus
7/7/2012 2:00 PM 0.00 0.0 M 0.0 M much cooler than the last several days
7/8/2012 5:05 AM 0.00 0.0 M 0.0 M
7/9/2012 5:50 AM 0.00 0.0 M 0.0 M clear
7/10/2012 7:00 AM 0.00 0.0 M M M
7/11/2012 5:15 AM 0.00 0.0 M 0.0 M
7/12/2012 5:00 AM 0.00 0.0 M 0.0 M
7/13/2012 5:20 AM 0.00 0.0 M 0.0 M
7/14/2012 7:00 AM 0.88 0.0 M 0.0 M first rain in two weeks; most of the rain fell over the last few hours, and just stopped recently; can still hear thunder; clear sky overhead, but see another storm building to the west
7/15/2012 4:45 AM 0.01 0.0 M 0.0 M clear; Venus, Jupiter, and the Moon clustered together in the western sky
7/16/2012 2:45 PM 0.00 0.0 M 0.0 M
7/17/2012 7:00 AM 0.00 0.0 M M M
7/18/2012 4:30 AM 0.00 0.0 M 0.0 M
7/19/2012 6:00 AM 0.99 0.0 M 0.0 M very low clouds moving rapidly from the east just below clouds moving from the west
7/20/2012 6:40 AM 0.03 0.0 M 0.0 M overcast and a little cooler/less humid
7/21/2012 6:10 AM 0.00 0.0 M 0.0 M
7/22/2012 7:00 AM 0.00 0.0 M 0.0 M
7/23/2012 8:10 AM T 0.0 M 0.0 M clear
7/24/2012 9:00 AM 0.57 0.0 M 0.0 M numerous branches up to 3/4 inch down
7/25/2012 8:25 AM 0.01 0.0 M 0.0 M
7/26/2012 10:10 AM 0.09 0.0 M 0.0 M
7/27/2012 10:15 AM 0.06 0.0 M 0.0 M
7/28/2012 10:00 AM T 0.0 M 0.0 M
7/29/2012 11:05 AM 0.00 0.0 M 0.0 M
7/30/2012 11:25 AM T 0.0 M 0.0 M
7/31/2012 11:55 AM 0.15 0.0 M 0.0 M
8/1/2012 1:10 PM 0.00 0.0 M 0.0 M
8/2/2012 2:05 PM 0.00 0.0 M 0.0 M
8/3/2012 7:00 AM 0.00 0.0 M M M
8/4/2012 7:00 AM 0.00 0.0 M M M
8/5/2012 3:20 PM 0.17 0.0 M 0.0 M storm hit with strong wind yesterday afternoon; one inch branch down
8/6/2012 1:00 PM 0.00 0.0 M 0.0 M clear
8/7/2012 2:00 PM 0.00 0.0 M 0.0 M
8/8/2012 7:00 AM 0.00 0.0 M M M
8/9/2012 7:00 AM 0.01 0.0 M 0.0 M
8/10/2012 8:55 AM 1.03 0.0 M 0.0 M
8/11/2012 7:40 AM 0.02 0.0 M 0.0 M mostly clear
8/12/2012 9:05 AM 0.00 0.0 M 0.0 M
8/13/2012 10:40 AM 0.07 0.0 M 0.0 M overcast
8/14/2012 8:15 AM 0.17 0.0 M 0.0 M today's amount was affected by yesterday's observation time being 10:40
8/15/2012 6:40 AM T 0.0 M 0.0 M
8/16/2012 7:00 AM 0.00 0.0 M 0.0 M
8/17/2012 6:20 AM 0.27 0.0 M 0.0 M rain began yesterday at 7:43 AM with occasional thunder and with some brief wind
8/18/2012 6:15 AM 0.00 0.0 M 0.0 M
8/19/2012 6:45 AM 0.00 0.0 M 0.0 M
8/20/2012 7:05 AM 0.00 0.0 M 0.0 M
8/21/2012 7:45 AM 0.50 0.0 M 0.0 M several showers/thunderstorms yesterday afternoon; clear now
8/22/2012 8:35 AM 0.00 0.0 M 0.0 M mostly clear, some cirrus
8/23/2012 9:30 AM 0.06 0.0 M 0.0 M
8/24/2012 10:50 AM 0.01 0.0 M 0.0 M
8/25/2012 11:00 AM 0.00 0.0 M 0.0 M
8/26/2012 4:50 AM 0.00 0.0 M 0.0 M
8/27/2012 5:25 AM 0.57 0.0 M 0.0 M
8/28/2012 2:50 PM 0.01 0.0 M 0.0 M
8/29/2012 3:00 PM 0.00 0.0 M 0.0 M
8/30/2012 4:00 PM 0.00 0.0 M 0.0 M
8/31/2012 4:00 PM 0.00 0.0 M 0.0 M
9/1/2012 6:55 AM 0.00 0.0 M 0.0 M
9/2/2012 5:00 AM 0.07 0.0 M 0.0 M rainfall from remnant of Hurricane Isaac
9/3/2012 7:15 AM 0.00 0.0 M 0.0 M
9/4/2012 9:20 AM 0.02 0.0 M 0.0 M occasional light rain from 10:16 PM to 10:38 PM, and from 1:57 AM to 2:07 AM; some thunder heard, mostly after rain stopped
9/5/2012 7:00 AM 0.22 0.0 M 0.0 M squall line came in from the north last night; strong outflow boundary hit at 10:28 PM (estimate wind at 40 mph), rain began at 10:49
9/6/2012 6:25 AM 0.02 0.0 M 0.0 M
9/7/2012 7:06 AM 0.02 0.0 M 0.0 M light rain; rain began at 6:43 AM
9/8/2012 6:35 AM 0.08 0.0 M 0.0 M
9/9/2012 6:30 AM 0.38 0.0 M 0.0 M
9/10/2012 7:30 AM 0.01 0.0 M 0.0 M
9/11/2012 7:00 AM 0.00 0.0 M 0.0 M
9/12/2012 9:00 AM 0.00 0.0 M 0.0 M
9/13/2012 6:35 AM 0.00 0.0 M 0.0 M
9/14/2012 7:10 AM 0.16 0.0 M 0.0 M
9/15/2012 6:45 AM T 0.0 M 0.0 M
9/16/2012 9:15 AM 0.00 0.0 M 0.0 M
9/17/2012 7:20 AM 0.00 0.0 M 0.0 M
9/18/2012 9:00 AM 0.19 0.0 M 0.0 M
9/19/2012 8:30 AM 0.01 0.0 M 0.0 M
9/20/2012 9:50 AM 0.00 0.0 M 0.0 M
9/21/2012 11:50 AM 0.02 0.0 M 0.0 M low overcast
9/22/2012 12:40 PM 0.11 0.0 M 0.0 M
9/23/2012 1:45 PM 0.01 0.0 M 0.0 M
9/24/2012 3:10 PM 0.00 0.0 M 0.0 M
9/25/2012 4:00 PM 0.00 0.0 M 0.0 M
9/26/2012 5:05 AM 0.00 0.0 M 0.0 M
9/27/2012 7:20 AM 0.00 0.0 M 0.0 M
9/28/2012 6:20 AM 0.00 0.0 M 0.0 M
9/29/2012 7:00 AM 0.00 0.0 M M M
9/30/2012 9:30 AM 0.00 0.0 M 0.0 M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
12/6/2011 12/07/2011 7:40 AM 2 0.08 M M appears to be a mix of rain and snow that fell



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
5/20/2012 5:15 PM Hail fell in Schaumburg at the intersection of Algonquin and Meacham 1/2" Grape 1/4" Pea Size 1/4" Pea Size White Ice 2 3min no damage Continuous True After rain Same time as smaller hail 10-20
5/26/2012 10:02 AM rain began at 10:00 AM exactly, gauge had 0.24" at 10:06 AM, I think most or all of which had fallen since 10:00 AM 1/2" Grape 1/2" Grape 1/4" Pea Size Hard|White Ice 3 1min no damage Continuous True After rain After smaller hail 10-20