Station Overview Station Location
Station Number IL-KN-64 Latitude 41.920096
Station Name St. Charles 0.1 E Longitude -88.299032
County Kane Elevation (ft) 760



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 2.77 0.80 31 0.80 31 0.00 0 0 6 1 0.0 0 0
Nov 10 2.78 2.03 28 2.03 28 0.00 0 0 10 2 0.0 0 0
Dec 10 1.99 2.10 31 2.10 31 0.00 0 0 13 4 18.2 11 27
Jan 11 1.50 0.92 31 0.92 31 0.00 0 0 12 9 10.5 12 22
Feb 11 1.51 2.86 27 2.86 27 0.00 0 0 14 1 26.0 11 20
March 11 2.04 2.47 30 2.47 30 0.00 0 0 9 4 0.7 2 1
April 11 3.24 5.64 30 5.64 30 0.00 0 0 16 3 0.0 0 0
May 11 3.76 6.01 31 6.01 31 0.00 0 0 13 2 0.0 0 0
June 11 3.70 4.86 29 4.86 29 0.00 0 0 10 3 0.0 0 0
July 11 3.60 5.70 31 5.70 31 0.00 0 0 11 2 0.0 0 0
Aug 11 4.03 5.10 30 5.10 30 0.00 0 0 10 0 0.0 0 0
Sept 11 3.15 3.58 29 3.58 29 0.00 0 0 10 0 0.0 0 0
Water Year Totals: 34.07" 42.07" 358 days 42.07" 358 0.00" 0 days 0 134 days 31 days 55.4" 36 days 70 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 0.00
10/2/2010 0.21
10/3/2010 T
10/4/2010 0.00
10/5/2010 0.00
10/6/2010 0.00
10/7/2010 0.00
10/8/2010 0.00
10/9/2010 0.00
10/10/2010 0.00
10/11/2010 0.00
10/12/2010 0.00
10/13/2010 0.02
10/14/2010 0.00
10/15/2010 0.00
10/16/2010 0.00
10/17/2010 0.00
10/18/2010 0.00
10/19/2010 0.00
10/20/2010 0.00
10/21/2010 0.00
10/22/2010 0.00
10/23/2010 0.01
10/24/2010 0.21
10/25/2010 0.05
10/26/2010 0.30
10/27/2010 0.00
10/28/2010 0.00
10/29/2010 0.00
10/30/2010 0.00
10/31/2010 0.00
11/1/2010 0.00
11/2/2010 0.00
11/3/2010 T
11/4/2010 0.01
11/5/2010 0.03
11/6/2010 0.00
11/7/2010 0.00
11/8/2010 0.00
11/9/2010 0.00
11/10/2010
11/11/2010
11/12/2010 0.15
11/13/2010 0.01
11/14/2010 0.09
11/15/2010 0.05
11/16/2010 0.00
11/17/2010 0.00
11/18/2010 T
11/19/2010 0.00
11/20/2010 0.00
11/21/2010 0.00
11/22/2010 0.39
11/23/2010 0.45
11/24/2010 0.00
11/25/2010 0.25
11/26/2010 0.00
11/27/2010 0.00
11/28/2010 0.00
11/29/2010 0.00
11/30/2010 0.60
12/1/2010 T
12/2/2010 0.03
12/3/2010 0.00
12/4/2010 0.34
12/5/2010 0.06
12/6/2010 T
12/7/2010 T
12/8/2010 0.00
12/9/2010 0.00
12/10/2010 0.05
12/11/2010 0.00
12/12/2010 0.53
12/13/2010 0.01
12/14/2010 0.00
12/15/2010 0.00
12/16/2010 0.00
12/17/2010 0.03
12/18/2010 0.00
12/19/2010 0.00
12/20/2010 0.00
12/21/2010 0.25
12/22/2010 0.00
12/23/2010 T
12/24/2010 0.01
12/25/2010 0.18
12/26/2010 0.06
12/27/2010 0.00
12/28/2010 0.00
12/29/2010 0.00
12/30/2010 0.04
12/31/2010 0.51
Day of YearDaily PrcpMultiday Prcp
1/1/2011 0.08
1/2/2011 0.00
1/3/2011 0.00
1/4/2011 0.00
1/5/2011 T
1/6/2011 T
1/7/2011 0.02
1/8/2011 0.03
1/9/2011 0.00
1/10/2011 0.00
1/11/2011 0.04
1/12/2011 0.12
1/13/2011 0.00
1/14/2011 T
1/15/2011 0.02
1/16/2011 0.00
1/17/2011 0.04
1/18/2011 0.43
1/19/2011 T
1/20/2011 T
1/21/2011 0.00
1/22/2011 0.01
1/23/2011 T
1/24/2011 0.03
1/25/2011 T
1/26/2011 T
1/27/2011 T
1/28/2011 0.08
1/29/2011 0.00
1/30/2011 0.02
1/31/2011 0.00
2/1/2011 0.10
2/2/2011 0.95
2/3/2011 T
2/4/2011 0.00
2/5/2011 0.00
2/6/2011 0.11
2/7/2011 0.04
2/8/2011 0.04
2/9/2011 0.00
2/10/2011 0.00
2/11/2011 0.00
2/12/2011 0.02
2/13/2011 0.00
2/14/2011 0.00
2/15/2011 0.00
2/16/2011 0.00
2/17/2011 0.00
2/18/2011 0.00
2/19/2011 0.00
2/20/2011 0.01
2/21/2011 1.01
2/22/2011 0.04
2/23/2011
2/24/2011 0.10
2/25/2011 0.02
2/26/2011 0.07
2/27/2011 0.06
2/28/2011 0.29
3/1/2011 0.00
3/2/2011 0.00
3/3/2011 0.00
3/4/2011 0.17
3/5/2011 0.69
3/6/2011 0.06
3/7/2011 0.00
3/8/2011 0.00
3/9/2011 0.45
3/10/2011 0.02
3/11/2011 0.00
3/12/2011 0.00
3/13/2011 0.00
3/14/2011 0.00
3/15/2011 0.00
3/16/2011 0.00
3/17/2011 0.00
3/18/2011 0.00
3/19/2011 0.00
3/20/2011 T
3/21/2011 0.44
3/22/2011 0.32
3/23/2011 0.30
3/24/2011 0.02
3/25/2011 T
3/26/2011 T
3/27/2011 T
3/28/2011 0.00
3/29/2011 0.00
3/30/2011 0.00
3/31/2011
Day of YearDaily PrcpMultiday Prcp
4/1/2011 0.00
4/2/2011 0.09
4/3/2011 0.00
4/4/2011 0.47
4/5/2011 T
4/6/2011 0.00
4/7/2011 T
4/8/2011 0.71
4/9/2011 0.02
4/10/2011 0.00
4/11/2011 T
4/12/2011 0.00
4/13/2011 0.00
4/14/2011 0.00
4/15/2011 0.00
4/16/2011 0.58
4/17/2011 0.10
4/18/2011 0.63
4/19/2011 0.06
4/20/2011 1.24
4/21/2011 0.00
4/22/2011 0.30
4/23/2011 0.36
4/24/2011 0.00
4/25/2011 0.03
4/26/2011 0.74
4/27/2011 0.09
4/28/2011 0.20
4/29/2011 0.02
4/30/2011 0.00
5/1/2011 0.00
5/2/2011 0.00
5/3/2011 0.00
5/4/2011 0.05
5/5/2011 0.00
5/6/2011 0.05
5/7/2011 0.01
5/8/2011 0.00
5/9/2011 0.00
5/10/2011 0.00
5/11/2011 0.00
5/12/2011 0.38
5/13/2011 0.00
5/14/2011 0.02
5/15/2011 0.15
5/16/2011 T
5/17/2011 0.00
5/18/2011 0.02
5/19/2011 0.00
5/20/2011 0.00
5/21/2011 0.00
5/22/2011 0.00
5/23/2011 0.71
5/24/2011 0.00
5/25/2011 0.50
5/26/2011 1.40
5/27/2011 T
5/28/2011 0.03
5/29/2011 0.11
5/30/2011 2.58
5/31/2011 0.00
6/1/2011 0.00
6/2/2011 0.00
6/3/2011 0.00
6/4/2011 0.00
6/5/2011 0.00
6/6/2011 0.00
6/7/2011 0.00
6/8/2011 0.00
6/9/2011 2.16
6/10/2011 1.15
6/11/2011 0.02
6/12/2011 T
6/13/2011 0.00
6/14/2011 0.00
6/15/2011 0.24
6/16/2011 0.31
6/17/2011 0.01
6/18/2011 0.00
6/19/2011 0.00
6/20/2011 0.24
6/21/2011
6/22/2011 0.59
6/23/2011 0.11
6/24/2011 T
6/25/2011 0.00
6/26/2011 0.00
6/27/2011 0.03
6/28/2011 T
6/29/2011 0.00
6/30/2011 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2011 0.00
7/2/2011 T
7/3/2011 0.00
7/4/2011 0.00
7/5/2011 0.00
7/6/2011 0.00
7/7/2011 0.04
7/8/2011 0.00
7/9/2011 0.00
7/10/2011 0.00
7/11/2011 0.60
7/12/2011 0.00
7/13/2011 0.04
7/14/2011 0.00
7/15/2011 0.00
7/16/2011 0.00
7/17/2011 T
7/18/2011 0.03
7/19/2011 0.01
7/20/2011 0.00
7/21/2011 0.00
7/22/2011 0.39
7/23/2011 2.46
7/24/2011 0.02
7/25/2011 0.13
7/26/2011 0.00
7/27/2011 0.00
7/28/2011 1.30
7/29/2011 0.68
7/30/2011 0.00
7/31/2011 0.00
8/1/2011 0.00
8/2/2011 0.00
8/3/2011 0.33
8/4/2011 0.00
8/5/2011
8/6/2011 0.36
8/7/2011 0.02
8/8/2011 0.90
8/9/2011 0.27
8/10/2011 0.00
8/11/2011 0.00
8/12/2011 0.00
8/13/2011 0.02
8/14/2011 0.41
8/15/2011 0.00
8/16/2011 0.00
8/17/2011 0.00
8/18/2011 0.00
8/19/2011 0.00
8/20/2011 0.00
8/21/2011 1.53
8/22/2011 0.00
8/23/2011 0.00
8/24/2011 1.17
8/25/2011 0.00
8/26/2011 0.00
8/27/2011 0.00
8/28/2011 0.00
8/29/2011 0.00
8/30/2011 0.00
8/31/2011 0.09
9/1/2011 0.00
9/2/2011 0.00
9/3/2011 0.00
9/4/2011 0.05
9/5/2011 0.00
9/6/2011 0.00
9/7/2011 0.00
9/8/2011 0.00
9/9/2011 0.00
9/10/2011 0.08
9/11/2011 0.00
9/12/2011 0.00
9/13/2011 0.00
9/14/2011 0.00
9/15/2011 0.04
9/16/2011 0.00
9/17/2011 0.00
9/18/2011 0.01
9/19/2011 0.61
9/20/2011 0.00
9/21/2011 0.00
9/22/2011 0.00
9/23/2011 0.00
9/24/2011 0.00
9/25/2011
9/26/2011 1.46
9/27/2011 0.78
9/28/2011 0.39
9/29/2011 0.02
9/30/2011 0.14



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2010 8:00 AM 0.00 0.0 M 0.0 M
10/2/2010 8:00 AM 0.21 0.0 M 0.0 M Rain overnight as cold front passed through..winds shifted north and gusty.
10/3/2010 8:00 AM T 0.0 M 0.0 M
10/4/2010 8:00 AM 0.00 0.0 M 0.0 M
10/5/2010 8:00 AM 0.00 0.0 M 0.0 M
10/6/2010 8:00 AM 0.00 0.0 M 0.0 M
10/7/2010 8:00 AM 0.00 0.0 M 0.0 M
10/8/2010 8:00 AM 0.00 0.0 M 0.0 M
10/9/2010 8:00 AM 0.00 0.0 M 0.0 M
10/10/2010 8:00 AM 0.00 0.0 M 0.0 M
10/11/2010 8:00 AM 0.00 0.0 M 0.0 M
10/12/2010 8:00 AM 0.00 0.0 M 0.0 M
10/13/2010 8:00 AM 0.02 0.0 M 0.0 M Thunder between 7 and 8AM this morning (Wednesday).
10/14/2010 8:00 AM 0.00 0.0 M 0.0 M
10/15/2010 8:00 AM 0.00 0.0 M 0.0 M
10/16/2010 8:00 AM 0.00 0.0 M 0.0 M
10/17/2010 8:00 AM 0.00 0.0 M 0.0 M
10/18/2010 8:00 AM 0.00 0.0 M 0.0 M
10/19/2010 8:00 AM 0.00 0.0 M 0.0 M
10/20/2010 8:00 AM 0.00 0.0 M 0.0 M
10/21/2010 8:00 AM 0.00 0.0 M 0.0 M
10/22/2010 8:00 AM 0.00 0.0 M 0.0 M
10/23/2010 8:00 AM 0.01 0.0 M 0.0 M
10/24/2010 8:00 AM 0.21 0.0 M 0.0 M Bulk of rain fell between 8AM and Noon Saturday. Light rain late Saturday evening (Trace).
10/25/2010 8:00 AM 0.05 0.0 M 0.0 M Thunder and brief shower Sunday evening about 11PM.
10/26/2010 8:00 AM 0.30 0.0 M 0.0 M Thunder/very strong winds (55-60 mph) around 7AM.
10/27/2010 8:00 AM 0.00 0.0 M 0.0 M
10/28/2010 8:00 AM 0.00 0.0 M 0.0 M
10/29/2010 8:00 AM 0.00 0.0 M 0.0 M
10/30/2010 8:00 AM 0.00 0.0 M 0.0 M
10/31/2010 8:00 AM 0.00 0.0 M 0.0 M
11/1/2010 8:00 AM 0.00 0.0 M 0.0 M
11/2/2010 8:00 AM 0.00 0.0 M 0.0 M
11/3/2010 8:00 AM T 0.0 M 0.0 M Occasional very fine drizzle
11/4/2010 8:00 AM 0.01 0.0 M 0.0 M Light rain shower between 8 and 10AM Wednesday.
11/5/2010 8:00 AM 0.03 0.0 M 0.0 M
11/6/2010 8:00 AM 0.00 0.0 M 0.0 M
11/7/2010 8:00 AM 0.00 0.0 M 0.0 M
11/8/2010 8:00 AM 0.00 0.0 M 0.0 M
11/9/2010 8:00 AM 0.00 0.0 M 0.0 M
11/12/2010 8:00 AM 0.15 0.0 M 0.0 M Showers Thursday evening.
11/13/2010 8:00 AM 0.01 0.0 M 0.0 M
11/14/2010 8:00 AM 0.09 0.0 M 0.0 M
11/15/2010 8:00 AM 0.05 0.0 M 0.0 M Rain late Sunday afternoon into the evening...
11/16/2010 8:00 AM 0.00 0.0 M 0.0 M
11/17/2010 8:00 AM 0.00 0.0 M 0.0 M
11/18/2010 8:00 AM T 0.0 M 0.0 M Sprinkles and occasional light drizzle Wednesday morning and afternoon.
11/19/2010 8:00 AM 0.00 0.0 M 0.0 M
11/20/2010 8:00 AM 0.00 0.0 M 0.0 M
11/21/2010 8:00 AM 0.00 0.0 M 0.0 M
11/22/2010 8:00 AM 0.39 0.0 M 0.0 M Heavy thunder between 7:30AM-8:30AM.
11/23/2010 8:00 AM 0.45 0.0 M 0.0 M Afternoon t-storms. Big drop in temps from highs in the upper 60s Monday to mid 20s Tuesday AM.
11/24/2010 8:00 AM 0.00 0.0 M 0.0 M
11/25/2010 8:00 AM 0.25 0.0 M 0.0 M
11/26/2010 8:00 AM 0.00 0.0 M 0.0 M
11/27/2010 8:00 AM 0.00 0.0 M 0.0 M
11/28/2010 8:00 AM 0.00 0.0 M 0.0 M
11/29/2010 8:00 AM 0.00 0.0 M 0.0 M
11/30/2010 8:00 AM 0.60 0.0 M 0.0 M
12/1/2010 8:00 AM T T M T M Snow flurries off and on since Tuesday afternoon.
12/2/2010 8:00 AM 0.03 0.3 M T M Most snow fell Wednesday AM
12/3/2010 8:00 AM 0.00 0.0 M 0.0 M
12/4/2010 8:00 AM 0.34 4.5 M 4.5 M
12/5/2010 8:00 AM 0.06 1.0 M 4.0 M
12/6/2010 8:00 AM T T M 3.0 M A few snowflakes in the air at observation time.
12/7/2010 8:00 AM T T M 3.0 M Light snow flurries Monday afternoon.
12/8/2010 8:00 AM 0.00 0.0 M 2.5 M
12/9/2010 8:00 AM 0.00 0.0 M 2.5 M
12/10/2010 8:00 AM 0.05 1.0 M 3.0 M
12/11/2010 8:00 AM 0.00 0.0 M 3.0 M
12/12/2010 8:00 AM 0.53 1.5 M 2.5 M Snow started about 8:30PM Saturday evening. Ratio about 10:1. I figure about 1.5 inches of snow melted to 0.13 with remaining 0.40 rainfall prior to snow.
12/13/2010 8:00 AM 0.01 0.2 M 2.0 M
12/14/2010 8:00 AM 0.00 0.0 M 1.5 M
12/15/2010 8:00 AM 0.00 0.0 M 1.5 M
12/16/2010 8:00 AM 0.00 0.0 M 1.5 M
12/17/2010 8:00 AM 0.03 0.5 M 2.0 M
12/18/2010 8:00 AM 0.00 0.0 M 2.0 M
12/19/2010 8:00 AM 0.00 0.0 M 2.0 M
12/20/2010 8:00 AM 0.00 0.0 M 1.5 M
12/21/2010 8:00 AM 0.25 5.0 M 6.0 M
12/22/2010 8:00 AM 0.00 0.0 M 5.0 M Freezing fog deposited on cold surfaces last night..made slippery streets/sidwalks.
12/23/2010 8:00 AM T T M 5.0 M
12/24/2010 8:00 AM 0.01 0.1 M 4.5 M
12/25/2010 8:00 AM 0.18 2.6 M 7.0 M
12/26/2010 8:00 AM 0.06 1.5 M 8.0 M
12/27/2010 8:00 AM 0.00 0.0 M 7.0 M
12/28/2010 8:00 AM 0.00 0.0 M 6.5 M
12/29/2010 8:00 AM 0.00 0.0 M 6.0 M
12/30/2010 8:00 AM 0.04 0.0 M 3.0 M
12/31/2010 8:00 AM 0.51 0.0 M T M Thunder between 6:30 and6:45 this morning.
1/1/2011 8:00 AM 0.08 0.0 M 0.0 M High temp in mid 20s early AM..falling temps all day. Wind gusts over 30 mph out of the SW.
1/2/2011 8:00 AM 0.00 0.0 M 0.0 M
1/3/2011 8:00 AM 0.00 0.0 M 0.0 M
1/4/2011 8:00 AM 0.00 0.0 M 0.0 M
1/5/2011 8:00 AM T T M 0.0 M Few very light snow flakes during the late morning Tuesday.
1/6/2011 8:00 AM T T M T M Light snow at 8AM observation time.
1/7/2011 8:00 AM 0.02 0.3 M T M
1/8/2011 8:00 AM 0.03 0.6 M 0.5 M Snow depth actually measured 0.4..rounded off to nearest half inch.
1/9/2011 8:00 AM 0.00 0.0 M T M
1/10/2011 8:00 AM 0.00 0.0 M T M
1/11/2011 8:00 AM 0.04 0.6 M 0.5 M Snowing at observation.
1/12/2011 8:00 AM 0.12 2.3 M 2.5 M
1/13/2011 8:00 AM 0.00 0.0 M 2.0 M
1/14/2011 8:00 AM T T M 1.5 M
1/15/2011 8:00 AM 0.02 0.2 M 1.5 M
1/16/2011 8:00 AM 0.00 0.0 M 1.5 M
1/17/2011 8:00 AM 0.04 0.6 M 2.0 M snowing at observation (8:30AM)
1/18/2011 8:00 AM 0.43 2.9 M 3.5 M Heavy wet snow mixed with rain Monday afternoon.
1/19/2011 8:00 AM T T M 3.0 M Light flurries off and on past 12 hours. Snow flurries at observation.
1/20/2011 8:00 AM T 0.1 M 3.0 M Very fluffy snow covered the ground 9-10AM Wednesday
1/21/2011 8:00 AM 0.00 0.0 M 3.0 M Very cold this morning--2 below zero. First sub-zero day in over a year (Jan. 3, 2010).
1/22/2011 8:00 AM 0.01 1.0 M 4.0 M
1/23/2011 8:00 AM T T M 3.5 M
1/24/2011 8:00 AM 0.03 0.4 M 3.5 M
1/25/2011 8:00 AM T T M 3.5 M
1/26/2011 8:00 AM T T M 3.5 M Very light snow at observation.
1/27/2011 8:00 AM T T M 3.5 M
1/28/2011 8:00 AM 0.08 1.3 M 4.5 M
1/29/2011 8:00 AM 0.00 0.0 M 4.0 M
1/30/2011 8:00 AM 0.02 0.2 M 4.0 M
1/31/2011 8:00 AM 0.00 0.0 M 4.0 M
2/1/2011 8:00 AM 0.10 1.0 M 5.0 M Light snow at observation.
2/2/2011 8:00 AM 0.95 19.0 M 20.5 M Snow ended at 9AM.
2/3/2011 8:00 AM T T M 19.0 M
2/4/2011 8:00 AM 0.00 0.0 M 17.5 M
2/5/2011 8:00 AM 0.00 0.0 M 17.0 M
2/6/2011 8:00 AM 0.11 2.0 M 17.5 M
2/7/2011 8:00 AM 0.04 0.6 M 16.5 M
2/8/2011 8:00 AM 0.04 0.9 M 16.0 M
2/9/2011 8:00 AM 0.00 0.0 M 15.5 M
2/10/2011 8:00 AM 0.00 0.0 M 15.0 M
2/11/2011 8:00 AM 0.00 0.0 M 14.5 M
2/12/2011 8:00 AM 0.02 0.2 M 14.5 M
2/13/2011 8:00 AM 0.00 0.0 M 14.0 M
2/14/2011 8:00 AM 0.00 0.0 M 11.0 2.55
2/15/2011 8:00 AM 0.00 0.0 M 9.5 M
2/16/2011 8:00 AM 0.00 0.0 M 8.0 M
2/17/2011 8:00 AM 0.00 0.0 M 3.5 M
2/18/2011 8:00 AM 0.00 0.0 M T M
2/19/2011 8:00 AM 0.00 0.0 M T M
2/20/2011 8:00 AM 0.01 0.0 M T M
2/21/2011 8:00 AM 1.01 0.0 M T M
2/22/2011 8:00 AM 0.04 0.5 M 0.5 M Snowing at observation.
2/24/2011 8:00 AM 0.10 0.5 M T M .05 inch precip from 0.5 inch of snow last evening. The remaining .05 inch of precip from rain before changing over to snow.
2/25/2011 8:00 AM 0.02 0.2 M T M
2/26/2011 8:00 AM 0.07 0.7 M 0.5 M
2/27/2011 8:00 AM 0.06 0.4 M 0.5 M
2/28/2011 8:00 AM 0.29 T M T M Good part of the precip was freezing rain and a little sleet.
3/1/2011 8:00 AM 0.00 0.0 M T M
3/2/2011 8:00 AM 0.00 0.0 M T M
3/3/2011 8:00 AM 0.00 0.0 M T M
3/4/2011 8:00 AM 0.17 0.0 M T M
3/5/2011 8:00 AM 0.69 T M T M
3/6/2011 8:00 AM 0.06 0.6 M 0.5 M
3/7/2011 8:00 AM 0.00 0.0 M T M
3/8/2011 8:00 AM 0.00 0.0 M T M
3/9/2011 8:00 AM 0.45 0.0 M 0.0 M
3/10/2011 8:00 AM 0.02 T M T M Occasional very light snow at observation and during the morning/early afternoon.
3/11/2011 8:00 AM 0.00 0.0 M T M
3/12/2011 8:00 AM 0.00 0.0 M 0.0 M
3/13/2011 8:00 AM 0.00 0.0 M 0.0 M
3/14/2011 8:00 AM 0.00 0.0 M 0.0 M
3/15/2011 8:00 AM 0.00 0.0 M 0.0 M
3/16/2011 8:00 AM 0.00 0.0 M 0.0 M
3/17/2011 8:00 AM 0.00 0.0 M 0.0 M
3/18/2011 8:00 AM 0.00 0.0 M 0.0 M
3/19/2011 8:00 AM 0.00 0.0 M 0.0 M
3/20/2011 8:00 AM T 0.0 M 0.0 M Very light rain showers overnight.
3/21/2011 8:00 AM 0.44 0.0 M 0.0 M
3/22/2011 8:00 AM 0.32 0.0 M 0.0 M
3/23/2011 8:00 AM 0.30 0.0 M 0.0 M
3/24/2011 8:00 AM 0.02 0.1 M T M precip was split between .01 liquid (rain/drizzle) and .01 equalled 0.1 snowfall.
3/25/2011 8:00 AM T T M 0.0 M Some light snow flurries Thursday afternoon.
3/26/2011 8:00 AM T T M 0.0 M Light snow flurries Friday evening.
3/27/2011 8:00 AM T T M 0.0 M Had some snow flurries around 10-11AM Saturday.
3/28/2011 8:00 AM 0.00 0.0 M 0.0 M
3/29/2011 8:00 AM 0.00 0.0 M 0.0 M
3/30/2011 8:00 AM 0.00 0.0 M 0.0 M
4/1/2011 8:00 AM 0.00 0.0 M 0.0 M
4/2/2011 8:00 AM 0.09 T M 0.0 M A mix of rain and snow Friday afternoon between 12:30 and 2:30PM...mostly rain.
4/3/2011 8:00 AM 0.00 0.0 M 0.0 M
4/4/2011 8:00 AM 0.47 0.0 M 0.0 M Hail unknown size reported on west side of St. Charles around midnight.
4/5/2011 8:00 AM T 0.0 M 0.0 M Few sprinkles Monday evening.
4/6/2011 8:00 AM 0.00 0.0 M 0.0 M
4/7/2011 8:00 AM T 0.0 M 0.0 M
4/8/2011 8:00 AM 0.71 0.0 M 0.0 M
4/9/2011 8:00 AM 0.02 0.0 M 0.0 M Remnant rain/drizzle Friday morning into early afternoon.
4/10/2011 8:00 AM 0.00 0.0 M 0.0 M
4/11/2011 8:00 AM T 0.0 M 0.0 M Few sprinkles late Sunday evening.
4/12/2011 8:00 AM 0.00 0.0 M 0.0 M
4/13/2011 8:00 AM 0.00 0.0 M 0.0 M
4/14/2011 8:00 AM 0.00 0.0 M 0.0 M Cold front passed through from north overnight. Strong NE winds.
4/15/2011 8:00 AM 0.00 0.0 M 0.0 M
4/16/2011 8:00 AM 0.58 0.0 M 0.0 M Light rain at observation (8AM).
4/17/2011 8:00 AM 0.10 T M 0.0 M Rain mixed with snow Saturday afternoon. Snow melted as it fell.
4/18/2011 8:00 AM 0.63 0.0 M 0.0 M
4/19/2011 8:00 AM 0.06 0.0 M 0.0 M
4/20/2011 8:00 AM 1.24 0.0 M 0.0 M Thunder/heavy downpour last evening. received 0.99 inch in 15 minutes.
4/21/2011 8:00 AM 0.00 0.0 M 0.0 M
4/22/2011 8:00 AM 0.30 0.0 M 0.0 M Light Rain at observation.
4/23/2011 8:00 AM 0.36 0.0 M 0.0 M
4/24/2011 8:00 AM 0.00 0.0 M 0.0 M
4/25/2011 8:00 AM 0.03 0.0 M 0.0 M
4/26/2011 8:00 AM 0.74 0.0 M 0.0 M
4/27/2011 8:00 AM 0.09 0.0 M 0.0 M Raining at obs time (8AM).
4/28/2011 8:00 AM 0.20 0.0 M 0.0 M
4/29/2011 8:00 AM 0.02 0.0 M 0.0 M
4/30/2011 8:00 AM 0.00 0.0 M 0.0 M
5/1/2011 8:00 AM 0.00 0.0 M 0.0 M
5/2/2011 8:00 AM 0.00 0.0 M 0.0 M
5/3/2011 8:00 AM 0.00 0.0 M 0.0 M
5/4/2011 8:00 AM 0.05 0.0 M 0.0 M Rain fell Tuesday evening.
5/5/2011 8:00 AM 0.00 0.0 M 0.0 M
5/6/2011 8:00 AM 0.05 0.0 M 0.0 M
5/7/2011 8:00 AM 0.01 0.0 M 0.0 M
5/8/2011 8:00 AM 0.00 0.0 M 0.0 M
5/9/2011 8:00 AM 0.00 0.0 M 0.0 M
5/10/2011 8:00 AM 0.00 0.0 M 0.0 M
5/11/2011 8:00 AM 0.00 0.0 M 0.0 M
5/12/2011 8:00 AM 0.38 0.0 M 0.0 M Received 0.07 inch last evening and 0.31 inch rain early this morning.
5/13/2011 8:00 AM 0.00 0.0 M 0.0 M
5/14/2011 8:00 AM 0.02 0.0 M 0.0 M
5/15/2011 8:00 AM 0.15 0.0 M 0.0 M
5/16/2011 8:00 AM T 0.0 M 0.0 M Few sprinkles Sunday forenoon.
5/17/2011 8:00 AM 0.00 0.0 M 0.0 M
5/18/2011 8:00 AM 0.02 0.0 M 0.0 M Light showers early this morning.
5/19/2011 8:00 AM 0.00 0.0 M 0.0 M
5/20/2011 8:00 AM 0.00 0.0 M 0.0 M
5/21/2011 8:00 AM 0.00 0.0 M 0.0 M
5/22/2011 8:00 AM 0.00 0.0 M 0.0 M
5/23/2011 8:00 AM 0.71 0.0 M 0.0 M Strong storms last evening.
5/24/2011 8:00 AM 0.00 0.0 M 0.0 M
5/25/2011 8:00 AM 0.50 0.0 M 0.0 M
5/26/2011 8:00 AM 1.40 0.0 M 0.0 M Still very light rain at observation. Storm total 1.90 inches.
5/27/2011 8:00 AM T 0.0 M 0.0 M Very light rain right after yesterday's ob until 10AM.
5/28/2011 8:00 AM 0.03 0.0 M 0.0 M
5/29/2011 8:00 AM 0.11 0.0 M 0.0 M
5/30/2011 8:00 AM 2.58 0.0 M 0.0 M Heavy t-stroms from 11AM-2{M Sunday.
5/31/2011 8:00 AM 0.00 0.0 M 0.0 M
6/1/2011 8:00 AM 0.00 0.0 M 0.0 M
6/2/2011 8:00 AM 0.00 0.0 M 0.0 M
6/3/2011 8:00 AM 0.00 0.0 M 0.0 M
6/4/2011 8:00 AM 0.00 0.0 M 0.0 M
6/5/2011 8:00 AM 0.00 0.0 M 0.0 M
6/6/2011 8:00 AM 0.00 0.0 M 0.0 M
6/7/2011 8:00 AM 0.00 0.0 M 0.0 M
6/8/2011 8:00 AM 0.00 0.0 M 0.0 M
6/9/2011 8:00 AM 2.16 0.0 M 0.0 M rain/thunder at observation (7:30AM)
6/10/2011 8:00 AM 1.15 0.0 M 0.0 M
6/11/2011 8:00 AM 0.02 0.0 M 0.0 M Brief shower early this morning.
6/12/2011 8:00 AM T 0.0 M 0.0 M Drizzle off and on later Saturday afternoon/evening.
6/13/2011 8:00 AM 0.00 0.0 M 0.0 M
6/14/2011 8:00 AM 0.00 0.0 M 0.0 M
6/15/2011 8:00 AM 0.24 0.0 M 0.0 M
6/16/2011 8:00 AM 0.31 0.0 M 0.0 M
6/17/2011 8:00 AM 0.01 0.0 M 0.0 M
6/18/2011 8:00 AM 0.00 0.0 M 0.0 M
6/19/2011 8:00 AM 0.00 0.0 M 0.0 M
6/20/2011 8:00 AM 0.24 0.0 M 0.0 M Raining/thunder at observation.
6/22/2011 8:00 AM 0.59 0.0 M 0.0 M Strong thunderstorms last evening..wind gusts at airport to 60 mph.
6/23/2011 8:00 AM 0.11 0.0 M 0.0 M
6/24/2011 8:00 AM T 0.0 M 0.0 M
6/25/2011 8:00 AM 0.00 0.0 M 0.0 M
6/26/2011 8:00 AM 0.00 0.0 M 0.0 M
6/27/2011 8:00 AM 0.03 0.0 M 0.0 M Light rain at obs time (8AM).
6/28/2011 8:00 AM T 0.0 M 0.0 M Very light rain for an hour after Monday 8AM observation.
6/29/2011 8:00 AM 0.00 0.0 M 0.0 M
6/30/2011 8:00 AM 0.00 0.0 M 0.0 M
7/1/2011 8:00 AM 0.00 0.0 M 0.0 M
7/2/2011 8:00 AM T 0.0 M 0.0 M Just a few sprinkles late Friday morning.
7/3/2011 8:00 AM 0.00 0.0 M 0.0 M
7/4/2011 8:00 AM 0.00 0.0 M 0.0 M
7/5/2011 8:00 AM 0.00 0.0 M 0.0 M
7/6/2011 8:00 AM 0.00 0.0 M 0.0 M
7/7/2011 8:00 AM 0.04 0.0 M 0.0 M Light shower overnight.
7/8/2011 8:00 AM 0.00 0.0 M 0.0 M
7/9/2011 8:00 AM 0.00 0.0 M 0.0 M
7/10/2011 8:00 AM 0.00 0.0 M 0.0 M
7/11/2011 8:00 AM 0.60 0.0 M 0.0 M Thunder/lightning..estimate wind gusts to 50 mph..occured between 7:30-8AM
7/12/2011 8:00 AM 0.00 0.0 M 0.0 M
7/13/2011 8:00 AM 0.04 0.0 M 0.0 M Light showers last evening.
7/14/2011 8:00 AM 0.00 0.0 M 0.0 M
7/15/2011 8:00 AM 0.00 0.0 M 0.0 M
7/16/2011 8:00 AM 0.00 0.0 M 0.0 M
7/17/2011 8:00 AM T 0.0 M 0.0 M
7/18/2011 8:00 AM 0.03 0.0 M 0.0 M Showers 4-5 AM.
7/19/2011 8:00 AM 0.01 0.0 M 0.0 M Shower Monday morning 9-10AM.
7/20/2011 8:00 AM 0.00 0.0 M 0.0 M
7/21/2011 8:00 AM 0.00 0.0 M 0.0 M
7/22/2011 8:00 AM 0.39 0.0 M 0.0 M thunder/rain around1:30AM and after.
7/23/2011 8:00 AM 2.46 0.0 M 0.0 M Had 0.69 inches after yesterday obs and 1.77 inches overnight for a total of 2.46 inches since yesterday 8am..storm total 2.85 with 0.39 inches before 8AM yesterday.
7/24/2011 8:00 AM 0.02 0.0 M 0.0 M
7/25/2011 8:00 AM 0.13 0.0 M 0.0 M
7/26/2011 8:00 AM 0.00 0.0 M 0.0 M
7/27/2011 8:00 AM 0.00 0.0 M 0.0 M
7/28/2011 8:00 AM 1.30 0.0 M 0.0 M
7/29/2011 8:00 AM 0.68 0.0 M 0.0 M
7/30/2011 8:00 AM 0.00 0.0 M 0.0 M
7/31/2011 8:00 AM 0.00 0.0 M 0.0 M
8/1/2011 8:00 AM 0.00 0.0 M 0.0 M
8/2/2011 8:00 AM 0.00 0.0 M 0.0 M
8/3/2011 8:00 AM 0.33 0.0 M 0.0 M
8/4/2011 8:00 AM 0.00 0.0 M 0.0 M
8/6/2011 8:00 AM 0.36 0.0 M 0.0 M
8/7/2011 8:00 AM 0.02 0.0 M 0.0 M
8/8/2011 8:00 AM 0.90 0.0 M 0.0 M
8/9/2011 8:00 AM 0.27 0.0 M 0.0 M
8/10/2011 8:00 AM 0.00 0.0 M 0.0 M
8/11/2011 8:00 AM 0.00 0.0 M 0.0 M
8/12/2011 8:00 AM 0.00 0.0 M 0.0 M
8/13/2011 8:00 AM 0.02 0.0 M 0.0 M
8/14/2011 8:00 AM 0.41 0.0 M 0.0 M
8/15/2011 8:00 AM 0.00 0.0 M 0.0 M
8/16/2011 8:00 AM 0.00 0.0 M 0.0 M
8/17/2011 8:00 AM 0.00 0.0 M 0.0 M
8/18/2011 8:00 AM 0.00 0.0 M 0.0 M
8/19/2011 8:00 AM 0.00 0.0 M 0.0 M
8/20/2011 8:00 AM 0.00 0.0 M 0.0 M
8/21/2011 8:00 AM 1.53 0.0 M 0.0 M Heavy rain 10AM-noon Saturday morning.
8/22/2011 8:00 AM 0.00 0.0 M 0.0 M
8/23/2011 8:00 AM 0.00 0.0 M 0.0 M
8/24/2011 8:00 AM 1.17 0.0 M 0.0 M Rain fell on the morning and again afternoon of 8/23.
8/25/2011 8:00 AM 0.00 0.0 M 0.0 M
8/26/2011 8:00 AM 0.00 0.0 M 0.0 M
8/27/2011 8:00 AM 0.00 0.0 M 0.0 M
8/28/2011 8:00 AM 0.00 0.0 M 0.0 M
8/29/2011 8:00 AM 0.00 0.0 M 0.0 M
8/30/2011 8:00 AM 0.00 0.0 M 0.0 M
8/31/2011 8:00 AM 0.09 0.0 M 0.0 M
9/1/2011 8:00 AM 0.00 0.0 M 0.0 M
9/2/2011 8:00 AM 0.00 0.0 M 0.0 M
9/3/2011 8:00 AM 0.00 0.0 M 0.0 M
9/4/2011 8:00 AM 0.05 0.0 M 0.0 M
9/5/2011 8:00 AM 0.00 0.0 M 0.0 M
9/6/2011 8:00 AM 0.00 0.0 M 0.0 M
9/7/2011 8:00 AM 0.00 0.0 M 0.0 M
9/8/2011 8:00 AM 0.00 0.0 M 0.0 M
9/9/2011 8:00 AM 0.00 0.0 M 0.0 M
9/10/2011 8:00 AM 0.08 0.0 M 0.0 M
9/11/2011 8:00 AM 0.00 0.0 M 0.0 M
9/12/2011 8:00 AM 0.00 0.0 M 0.0 M
9/13/2011 8:00 AM 0.00 0.0 M 0.0 M
9/14/2011 8:00 AM 0.00 0.0 M 0.0 M
9/15/2011 8:00 AM 0.04 0.0 M 0.0 M
9/16/2011 8:00 AM 0.00 0.0 M 0.0 M
9/17/2011 8:00 AM 0.00 0.0 M 0.0 M
9/18/2011 8:00 AM 0.01 0.0 M 0.0 M
9/19/2011 8:00 AM 0.61 0.0 M 0.0 M
9/20/2011 8:00 AM 0.00 0.0 M 0.0 M
9/21/2011 8:00 AM 0.00 0.0 M 0.0 M
9/22/2011 8:00 AM 0.00 0.0 M 0.0 M
9/23/2011 8:00 AM 0.00 0.0 M 0.0 M
9/24/2011 8:00 AM 0.00 0.0 M 0.0 M
9/26/2011 8:00 AM 1.46 0.0 M 0.0 M Actual measurement at 9AM..still light rain at that time.
9/27/2011 8:00 AM 0.78 0.0 M 0.0 M Received 0.29 yesterday and 0.49 overnight for a 24-hr total of 0.78. Storm total 2.24 inches.
9/28/2011 8:00 AM 0.39 0.0 M 0.0 M Storm total 2.63 thus far.
9/29/2011 8:00 AM 0.02 0.0 M 0.0 M Rain fell Wednesday morning between 9AM and noon.
9/30/2011 8:00 AM 0.14 0.0 M 0.0 M We had 0.10 inch rain yesterday and 0,04 inch overnight.



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes



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