Station Overview Station Location
Station Number IL-MD-12 Latitude 38.734783
Station Name Granite City 2.3 NE Longitude -90.096188
County Madison Elevation (ft) 417



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 10 3.47 1.42 15 1.42 15 0.00 0 0 3 0 0.0 0 0
Nov 10 3.90 4.67 13 1.03 11 3.64 2 1 2 1 0.0 0 0
Dec 10 2.96 0.00 10 0.00 10 0.00 0 0 0 0 0.0 0 0
Jan 11 2.42 0.25 8 0.25 7 0.00 1 0 1 1 3.5 1 0
Feb 11 2.44 1.99 8 0.79 5 1.20 3 1 2 0 0.0 0 0
March 11 3.21 1.93 12 1.93 12 0.00 0 0 2 2 0.0 0 0
April 11 3.81 2.73 10 1.01 7 1.72 3 1 3 0 0.0 0 0
May 11 4.91 2.26 17 2.26 17 0.00 0 0 11 0 0.0 0 0
June 11 4.01 8.05 18 8.05 18 0.00 0 0 10 0 0.0 0 0
July 11 3.96 2.58 21 2.58 21 0.00 0 0 5 0 0.0 0 0
Aug 11 3.33 0.51 24 0.51 24 0.00 0 0 7 0 0.0 0 0
Sept 11 3.23 3.56 26 0.58 21 2.98 5 2 7 1 0.0 0 0
Water Year Totals: 41.65" 29.95" 182 days 20.41" 168 9.54" 14 days 5 53 days 5 days 3.5" 1 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
10/1/2010
10/2/2010 0.04
10/3/2010
10/4/2010
10/5/2010 0.00
10/6/2010 0.00
10/7/2010 0.00
10/8/2010 0.00
10/9/2010
10/10/2010
10/11/2010
10/12/2010
10/13/2010
10/14/2010 0.00
10/15/2010 0.00
10/16/2010
10/17/2010
10/18/2010 0.00
10/19/2010
10/20/2010 0.00
10/21/2010
10/22/2010 0.00
10/23/2010
10/24/2010
10/25/2010 0.92
10/26/2010 0.46
10/27/2010 0.00
10/28/2010 0.00
10/29/2010 0.00
10/30/2010
10/31/2010
11/1/2010 0.00
11/2/2010 0.00
11/3/2010 0.00
11/4/2010
11/5/2010 T
11/6/2010
11/7/2010
11/8/2010
11/9/2010
11/10/2010 0.00
11/11/2010
11/12/2010
11/13/2010
11/14/2010
11/15/2010 0.00
11/16/2010
11/17/2010 0.00
11/18/2010
11/19/2010 0.00
11/20/2010
11/21/2010
11/22/2010
11/23/2010 0.75
11/24/2010 **
11/25/2010 3.64
11/26/2010 0.28
11/27/2010
11/28/2010 0.00
11/29/2010
11/30/2010
12/1/2010 0.00
12/2/2010 0.00
12/3/2010
12/4/2010
12/5/2010
12/6/2010 0.00
12/7/2010 0.00
12/8/2010 0.00
12/9/2010 0.00
12/10/2010 0.00
12/11/2010
12/12/2010
12/13/2010
12/14/2010 0.00
12/15/2010 0.00
12/16/2010
12/17/2010 0.00
12/18/2010
12/19/2010
12/20/2010
12/21/2010
12/22/2010
12/23/2010
12/24/2010
12/25/2010
12/26/2010
12/27/2010
12/28/2010
12/29/2010
12/30/2010
12/31/2010
Day of YearDaily PrcpMultiday Prcp
1/1/2011
1/2/2011
1/3/2011
1/4/2011 0.00
1/5/2011 0.00
1/6/2011
1/7/2011 T
1/8/2011
1/9/2011
1/10/2011 0.00
1/11/2011 0.25
1/12/2011
1/13/2011
1/14/2011 0.00
1/15/2011
1/16/2011
1/17/2011
1/18/2011
1/19/2011
1/20/2011
1/21/2011
1/22/2011
1/23/2011
1/24/2011
1/25/2011
1/26/2011
1/27/2011
1/28/2011
1/29/2011
1/30/2011
1/31/2011 0.00 **
2/1/2011 **
2/2/2011 **
2/3/2011 1.20
2/4/2011
2/5/2011
2/6/2011
2/7/2011
2/8/2011
2/9/2011
2/10/2011
2/11/2011
2/12/2011
2/13/2011
2/14/2011
2/15/2011
2/16/2011 0.00
2/17/2011
2/18/2011
2/19/2011
2/20/2011
2/21/2011 0.47
2/22/2011 0.00
2/23/2011
2/24/2011 0.00
2/25/2011
2/26/2011
2/27/2011
2/28/2011 0.32
3/1/2011 0.00
3/2/2011 0.00
3/3/2011
3/4/2011 0.00
3/5/2011 1.47
3/6/2011
3/7/2011 0.00
3/8/2011 0.00
3/9/2011 0.46
3/10/2011 T
3/11/2011 0.00
3/12/2011
3/13/2011
3/14/2011
3/15/2011
3/16/2011
3/17/2011 0.00
3/18/2011
3/19/2011
3/20/2011
3/21/2011
3/22/2011 0.00
3/23/2011 T
3/24/2011
3/25/2011
3/26/2011
3/27/2011
3/28/2011
3/29/2011
3/30/2011
3/31/2011
Day of YearDaily PrcpMultiday Prcp
4/1/2011
4/2/2011
4/3/2011
4/4/2011
4/5/2011 0.00
4/6/2011
4/7/2011 0.00
4/8/2011
4/9/2011
4/10/2011
4/11/2011
4/12/2011 0.00
4/13/2011
4/14/2011 0.00
4/15/2011
4/16/2011
4/17/2011
4/18/2011
4/19/2011
4/20/2011 0.88
4/21/2011
4/22/2011
4/23/2011
4/24/2011
4/25/2011 0.06
4/26/2011 **
4/27/2011 **
4/28/2011 1.72
4/29/2011 0.07
4/30/2011
5/1/2011
5/2/2011 0.34
5/3/2011 0.00
5/4/2011 0.00
5/5/2011 0.00
5/6/2011 0.03
5/7/2011
5/8/2011
5/9/2011 0.00
5/10/2011 0.02
5/11/2011
5/12/2011 0.02
5/13/2011 0.02
5/14/2011
5/15/2011
5/16/2011
5/17/2011
5/18/2011
5/19/2011 0.00
5/20/2011 0.04
5/21/2011
5/22/2011
5/23/2011 0.24
5/24/2011 0.34
5/25/2011 0.09
5/26/2011 1.01
5/27/2011 0.11
5/28/2011
5/29/2011
5/30/2011
5/31/2011 0.00
6/1/2011
6/2/2011
6/3/2011
6/4/2011
6/5/2011 0.00
6/6/2011
6/7/2011
6/8/2011
6/9/2011
6/10/2011
6/11/2011 1.39
6/12/2011
6/13/2011 0.00
6/14/2011 1.30
6/15/2011 0.04
6/16/2011 0.00
6/17/2011 1.10
6/18/2011 1.39
6/19/2011 0.33
6/20/2011 0.00
6/21/2011 0.03
6/22/2011 0.02
6/23/2011
6/24/2011 0.00
6/25/2011
6/26/2011 1.80
6/27/2011 0.65
6/28/2011 0.00
6/29/2011 0.00
6/30/2011 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2011
7/2/2011 0.00
7/3/2011
7/4/2011 1.28
7/5/2011 0.27
7/6/2011
7/7/2011 0.00
7/8/2011 0.65
7/9/2011
7/10/2011
7/11/2011 0.00
7/12/2011
7/13/2011 0.33
7/14/2011 0.00
7/15/2011
7/16/2011 0.00
7/17/2011 0.00
7/18/2011
7/19/2011 0.00
7/20/2011 0.00
7/21/2011 0.00
7/22/2011 0.00
7/23/2011
7/24/2011 0.00
7/25/2011 0.00
7/26/2011 0.00
7/27/2011 0.00
7/28/2011 0.00
7/29/2011 0.00
7/30/2011
7/31/2011 0.05
8/1/2011 0.00
8/2/2011
8/3/2011 0.00
8/4/2011
8/5/2011
8/6/2011 0.22
8/7/2011 0.01
8/8/2011 0.00
8/9/2011 0.00
8/10/2011 0.00
8/11/2011 0.05
8/12/2011 0.00
8/13/2011
8/14/2011 0.00
8/15/2011 0.00
8/16/2011 0.00
8/17/2011 0.02
8/18/2011 0.00
8/19/2011 0.11
8/20/2011
8/21/2011 0.05
8/22/2011 0.00
8/23/2011 0.05
8/24/2011 0.00
8/25/2011 0.00
8/26/2011 0.00
8/27/2011
8/28/2011
8/29/2011 0.00
8/30/2011 0.00
8/31/2011 0.00
9/1/2011 0.00
9/2/2011 0.00
9/3/2011
9/4/2011 0.07
9/5/2011
9/6/2011 0.00
9/7/2011 0.00
9/8/2011 0.00
9/9/2011 0.28
9/10/2011 0.07
9/11/2011 0.02
9/12/2011 0.00
9/13/2011 0.00
9/14/2011 **
9/15/2011 1.88
9/16/2011 0.00
9/17/2011 **
9/18/2011 **
9/19/2011 1.10
9/20/2011 0.01
9/21/2011 0.00
9/22/2011 0.00
9/23/2011 0.11
9/24/2011
9/25/2011 0.00
9/26/2011
9/27/2011 T
9/28/2011 0.02
9/29/2011 0.00
9/30/2011 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/2/2010 7:00 AM 0.04 M M M M
10/5/2010 7:00 AM 0.00 0.0 M M M
10/6/2010 7:00 AM 0.00 0.0 M M M
10/7/2010 7:00 AM 0.00 0.0 M M M
10/8/2010 7:00 AM 0.00 0.0 M M M
10/14/2010 7:00 AM 0.00 0.0 M M M
10/15/2010 7:00 AM 0.00 0.0 M M M
10/18/2010 7:00 AM 0.00 0.0 M M M
10/20/2010 7:00 AM 0.00 0.0 M M M
10/22/2010 7:00 AM 0.00 0.0 M M M
10/25/2010 7:00 AM 0.92 M M M M
10/26/2010 7:00 AM 0.46 M M M M strong winds... some power lines down with minor power outages
10/27/2010 7:00 AM 0.00 0.0 M M M
10/28/2010 7:00 AM 0.00 0.0 M M M
10/29/2010 7:00 AM 0.00 0.0 M M M
11/1/2010 7:00 AM 0.00 0.0 M M M
11/2/2010 7:00 AM 0.00 0.0 M M M
11/3/2010 7:00 AM 0.00 0.0 M M M
11/5/2010 7:00 AM T M M M M
11/10/2010 7:00 AM 0.00 0.0 M M M
11/15/2010 7:00 AM 0.00 0.0 M M M
11/17/2010 7:00 AM 0.00 0.0 M M M
11/19/2010 7:00 AM 0.00 0.0 M M M
11/23/2010 7:00 AM 0.75 M M M M
11/26/2010 7:00 AM 0.28 M M M M
11/28/2010 7:00 AM 0.00 0.0 M M M
12/1/2010 7:00 AM 0.00 0.0 M M M
12/2/2010 7:00 AM 0.00 0.0 M M M
12/6/2010 7:00 AM 0.00 0.0 M M M
12/7/2010 7:00 AM 0.00 0.0 M M M
12/8/2010 7:00 AM 0.00 0.0 M M M
12/9/2010 7:00 AM 0.00 0.0 M M M
12/10/2010 7:00 AM 0.00 0.0 M M M
12/14/2010 7:00 AM 0.00 0.0 M M M
12/15/2010 7:00 AM 0.00 0.0 M M M
12/17/2010 7:00 AM 0.00 0.0 M M M
1/4/2011 7:00 AM 0.00 0.0 M M M
1/5/2011 7:00 AM 0.00 0.0 M M M
1/7/2011 7:00 AM T T M M M
1/10/2011 7:00 AM 0.00 0.0 M M M
1/11/2011 3:00 PM 0.25 3.5 M M M
1/14/2011 7:00 AM 0.00 0.0 M M M
1/31/2011 7:00 AM 0.00 0.0 M M M
2/16/2011 7:00 AM 0.00 0.0 M M M
2/21/2011 2:00 PM 0.47 M M M M
2/22/2011 7:00 AM 0.00 0.0 M M M
2/24/2011 7:00 AM 0.00 0.0 M M M
2/28/2011 7:00 AM 0.32 M M M M Damage in the Granite City area: lots of tree limbs down/power outages some roof damage to homes saw a trampoline resting on top of a car glass blown out of business sign
3/1/2011 7:00 AM 0.00 0.0 M M M
3/2/2011 7:00 AM 0.00 0.0 M M M
3/4/2011 7:00 AM 0.00 0.0 M M M
3/5/2011 7:00 AM 1.47 M M M M
3/7/2011 7:00 AM 0.00 0.0 M M M
3/8/2011 7:00 AM 0.00 0.0 M M M
3/9/2011 7:00 AM 0.46 M M M M
3/10/2011 7:00 AM T M M M M
3/11/2011 7:00 AM 0.00 0.0 M M M
3/17/2011 7:00 AM 0.00 0.0 M M M
3/22/2011 7:00 AM 0.00 0.0 M M M
3/23/2011 7:00 AM T M M M M
4/5/2011 7:00 AM 0.00 0.0 M M M
4/7/2011 7:00 AM 0.00 0.0 M M M
4/12/2011 7:00 AM 0.00 0.0 M M M
4/14/2011 7:00 AM 0.00 0.0 M M M
4/20/2011 7:00 AM 0.88 M M M M hail ranging from quarter-size to golf ball size in Granite City. This was reported to NWS at 6:55 am on April 19th
4/25/2011 7:00 AM 0.06 M M M M
4/29/2011 7:00 AM 0.07 M M M M
5/2/2011 7:00 AM 0.34 M M M M
5/3/2011 7:00 AM 0.00 0.0 M M M
5/4/2011 7:00 AM 0.00 0.0 M M M
5/5/2011 7:00 AM 0.00 0.0 M M M
5/6/2011 7:00 AM 0.03 M M M M
5/9/2011 7:00 AM 0.00 0.0 M M M
5/10/2011 7:00 AM 0.02 M M M M
5/12/2011 7:00 AM 0.02 M M M M
5/13/2011 7:00 AM 0.02 M M M M
5/19/2011 7:00 AM 0.00 0.0 M M M
5/20/2011 7:00 AM 0.04 M M M M
5/23/2011 7:00 AM 0.24 M M M M
5/24/2011 7:00 AM 0.34 M M M M Yesterday's straight line winds caused 1/2 of Granite City to be without power. There was also a roof blown off a business and numerous tree limbs down.
5/25/2011 7:00 AM 0.09 M M M M
5/26/2011 7:00 AM 1.01 M M M M
5/27/2011 7:00 AM 0.11 M M M M
5/31/2011 7:00 AM 0.00 0.0 M M M
6/5/2011 7:00 AM 0.00 0.0 M M M
6/11/2011 7:00 AM 1.39 M M M M
6/13/2011 7:00 AM 0.00 0.0 M M M
6/14/2011 2:00 PM 1.30 M M M M minor street flooding in some areas
6/15/2011 7:00 AM 0.04 M M M M
6/16/2011 7:00 AM 0.00 0.0 M M M
6/17/2011 3:00 PM 1.10 M M M M Minor street flooding
6/18/2011 7:00 AM 1.39 M M M M Minor street & yard flooding
6/19/2011 7:00 AM 0.33 M M M M
6/20/2011 7:00 AM 0.00 0.0 M M M
6/21/2011 7:00 AM 0.03 M M M M
6/22/2011 7:00 AM 0.02 M M M M
6/24/2011 7:00 AM 0.00 0.0 M M M
6/26/2011 7:00 AM 1.80 M M M M street flooding
6/27/2011 10:00 AM 0.65 M M M M
6/28/2011 7:00 AM 0.00 0.0 M M M
6/29/2011 7:00 AM 0.00 0.0 M M M
6/30/2011 7:00 AM 0.00 0.0 M M M
7/2/2011 7:00 AM 0.00 0.0 M M M
7/4/2011 7:00 AM 1.28 M M M M
7/5/2011 7:00 AM 0.27 M M M M
7/7/2011 7:00 AM 0.00 0.0 M M M
7/8/2011 7:00 AM 0.65 M M M M
7/11/2011 7:00 AM 0.00 0.0 M M M
7/13/2011 7:00 AM 0.33 M M M M
7/14/2011 7:00 AM 0.00 0.0 M M M
7/16/2011 7:00 AM 0.00 0.0 M M M
7/17/2011 7:00 AM 0.00 0.0 M M M
7/19/2011 7:00 AM 0.00 0.0 M M M
7/20/2011 7:00 AM 0.00 0.0 M M M
7/21/2011 7:00 AM 0.00 0.0 M M M
7/22/2011 7:00 AM 0.00 0.0 M M M
7/24/2011 7:00 AM 0.00 0.0 M M M
7/25/2011 7:00 AM 0.00 0.0 M M M
7/26/2011 7:00 AM 0.00 0.0 M M M
7/27/2011 7:00 AM 0.00 0.0 M M M
7/28/2011 7:00 AM 0.00 0.0 M M M
7/29/2011 7:00 AM 0.00 0.0 M M M
7/31/2011 7:00 AM 0.05 M M M M
8/1/2011 7:00 AM 0.00 0.0 M M M
8/3/2011 7:00 AM 0.00 0.0 M M M
8/6/2011 7:00 AM 0.22 M M M M
8/7/2011 7:00 AM 0.01 M M M M
8/8/2011 7:00 AM 0.00 0.0 M M M
8/9/2011 7:00 AM 0.00 0.0 M M M
8/10/2011 7:00 AM 0.00 0.0 M M M
8/11/2011 7:00 AM 0.05 M M M M
8/12/2011 7:00 AM 0.00 0.0 M M M
8/14/2011 7:00 AM 0.00 0.0 M M M
8/15/2011 7:00 AM 0.00 0.0 M M M
8/16/2011 7:00 AM 0.00 0.0 M M M
8/17/2011 7:00 AM 0.02 M M M M
8/18/2011 7:00 AM 0.00 0.0 M M M
8/19/2011 7:00 AM 0.11 M M M M
8/21/2011 7:00 AM 0.05 M M M M
8/22/2011 7:00 AM 0.00 0.0 M M M
8/23/2011 7:00 AM 0.05 M M M M
8/24/2011 7:00 AM 0.00 0.0 M M M
8/25/2011 7:00 AM 0.00 0.0 M M M
8/26/2011 7:00 AM 0.00 0.0 M M M
8/29/2011 7:00 AM 0.00 0.0 M M M
8/30/2011 7:00 AM 0.00 0.0 M M M
8/31/2011 7:00 AM 0.00 0.0 M M M
9/1/2011 7:00 AM 0.00 0.0 M M M
9/2/2011 7:00 AM 0.00 0.0 M M M
9/4/2011 7:00 AM 0.07 M M M M
9/6/2011 7:00 AM 0.00 0.0 M M M
9/7/2011 7:00 AM 0.00 0.0 M M M
9/8/2011 7:00 AM 0.00 0.0 M M M
9/9/2011 7:00 AM 0.28 M M M M
9/10/2011 7:00 AM 0.07 M M M M
9/11/2011 7:00 AM 0.02 M M M M
9/12/2011 7:00 AM 0.00 0.0 M M M
9/13/2011 7:00 AM 0.00 0.0 M M M
9/16/2011 7:00 AM 0.00 0.0 M M M
9/20/2011 7:00 AM 0.01 M M M M
9/21/2011 7:00 AM 0.00 0.0 M M M
9/22/2011 7:00 AM 0.00 0.0 M M M
9/23/2011 7:00 AM 0.11 M M M M
9/25/2011 7:00 AM 0.00 0.0 M M M
9/27/2011 7:00 AM T M M M M
9/28/2011 7:00 AM 0.02 M M M M
9/29/2011 7:00 AM 0.00 0.0 M M M
9/30/2011 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
11/24/2010 11/25/2010 12:00 AM 2 3.64 M M Street flooding occurred
1/31/2011 2/03/2011 3:00 PM 4 1.20 M M Most of precip was in the form of sleet. I would estimate about 3 inches of sleet with a light dusting of snow on top
4/26/2011 4/28/2011 7:00 AM 3 1.72 M M Minor street flooding... water standing in many yards & fields
9/14/2011 9/15/2011 7:00 AM 2 1.88 M M
9/17/2011 9/19/2011 7:00 AM 3 1.10 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