Station Overview Station Location
Station Number IL-LS-39 Latitude 41.356526
Station Name Ottawa 0.5 NNW Longitude -88.844932
County La Salle Elevation (ft) 497



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 2.87 1.25 31 1.25 31 0.00 0 0 6 1 0.0 0 0
Nov 10 3.18 1.35 30 0.00 20 1.35 10 3 0 1 0.0 0 0
Dec 10 2.20 0.55 12 0.55 10 0.00 2 1 2 2 1.0 1 2
Jan 11 1.61 1.09 31 1.09 31 0.00 0 0 7 4 2.0 2 9
Feb 11 1.54 0.49 28 0.49 16 0.00 12 0 2 1 19.2 3 2
March 11 2.59 3.34 32 0.00 2 3.34 30 2 0 1 0.0 0 0
April 11 3.29 4.76 30 0.00 0 4.76 30 3 0 0 0.0 0 0
May 11 4.18 6.17 31 0.00 0 6.17 31 2 0 0 0.0 0 0
June 11 3.92 8.26 30 8.18 27 0.08 3 1 10 2 0.0 0 0
July 11 4.01 1.69 31 0.35 22 1.34 9 1 2 1 0.0 0 0
Aug 11 3.85 6.63 36 3.42 25 3.21 11 2 3 0 0.0 0 0
Sept 11 3.29 3.88 30 3.22 28 0.66 2 1 7 0 0.0 0 0
Water Year Totals: 36.53" 39.46" 352 days 18.55" 212 20.91" 140 days 16 39 days 13 days 22.2" 6 days 13 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 0.06
10/3/2010 0.00
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 0.20
10/14/2010 0.00
10/15/2010 0.00
10/16/2010 0.00
10/17/2010 0.00
10/18/2010 T
10/19/2010 0.00
10/20/2010 0.00
10/21/2010 0.00
10/22/2010 0.00
10/23/2010 0.15
10/24/2010 0.36
10/25/2010 0.35
10/26/2010 0.13
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 0.00
11/4/2010 T
11/5/2010 0.00
11/6/2010 0.00
11/7/2010 0.00
11/8/2010 0.00
11/9/2010 0.00
11/10/2010 0.00
11/11/2010 0.00
11/12/2010 **
11/13/2010 0.06
11/14/2010 **
11/15/2010 **
11/16/2010 0.10
11/17/2010 0.00
11/18/2010 0.00
11/19/2010 0.00
11/20/2010 0.00
11/21/2010 0.00
11/22/2010 **
11/23/2010 **
11/24/2010 **
11/25/2010 1.19
11/26/2010 0.00
11/27/2010 0.00
11/28/2010 0.00
11/29/2010 0.00
11/30/2010 **
12/1/2010 **
12/2/2010 T
12/3/2010 0.00
12/4/2010 0.42
12/5/2010 T
12/6/2010 0.00
12/7/2010 0.00
12/8/2010 0.00
12/9/2010 0.00
12/10/2010 0.13
12/11/2010 0.00
12/12/2010
12/13/2010
12/14/2010
12/15/2010
12/16/2010
12/17/2010
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 T
12/31/2010
Day of YearDaily PrcpMultiday Prcp
1/1/2011 0.42
1/2/2011 0.00
1/3/2011 0.00
1/4/2011 0.00
1/5/2011 0.00
1/6/2011 0.00
1/7/2011 0.00
1/8/2011 0.00
1/9/2011 0.00
1/10/2011 0.00
1/11/2011 0.13
1/12/2011 0.04
1/13/2011 T
1/14/2011 0.00
1/15/2011 0.00
1/16/2011 0.00
1/17/2011 0.00
1/18/2011 0.31
1/19/2011 T
1/20/2011 0.00
1/21/2011 0.00
1/22/2011 0.02
1/23/2011 0.00
1/24/2011 0.05
1/25/2011 0.00
1/26/2011 0.00
1/27/2011 T
1/28/2011 0.12
1/29/2011 0.00
1/30/2011 T
1/31/2011 0.00
2/1/2011 0.44
2/2/2011 M
2/3/2011 0.00
2/4/2011 0.00
2/5/2011 0.00
2/6/2011 0.05
2/7/2011 T
2/8/2011 0.00
2/9/2011 0.00
2/10/2011 0.00
2/11/2011 0.00
2/12/2011 0.00
2/13/2011 0.00
2/14/2011 0.00
2/15/2011 0.00
2/16/2011 0.00
2/17/2011 **
2/18/2011 **
2/19/2011 **
2/20/2011 **
2/21/2011 **
2/22/2011 **
2/23/2011 **
2/24/2011 **
2/25/2011 **
2/26/2011 **
2/27/2011 **
2/28/2011 0.00 **
3/1/2011 0.00 2.62
3/2/2011 **
3/3/2011 **
3/4/2011 **
3/5/2011 **
3/6/2011 **
3/7/2011 **
3/8/2011 **
3/9/2011 **
3/10/2011 **
3/11/2011 **
3/12/2011 **
3/13/2011 **
3/14/2011 **
3/15/2011 **
3/16/2011 **
3/17/2011 **
3/18/2011 **
3/19/2011 **
3/20/2011 **
3/21/2011 0.72
3/22/2011 T
3/23/2011 **
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 0.42
4/4/2011 **
4/5/2011 **
4/6/2011 **
4/7/2011 **
4/8/2011 **
4/9/2011 **
4/10/2011 **
4/11/2011 **
4/12/2011 **
4/13/2011 **
4/14/2011 **
4/15/2011 **
4/16/2011 **
4/17/2011 **
4/18/2011 **
4/19/2011 **
4/20/2011 **
4/21/2011 **
4/22/2011 **
4/23/2011 3.52
4/24/2011 **
4/25/2011 **
4/26/2011 0.82
4/27/2011 **
4/28/2011 **
4/29/2011 **
4/30/2011 **
5/1/2011 **
5/2/2011 0.35
5/3/2011 **
5/4/2011 **
5/5/2011 **
5/6/2011 **
5/7/2011 **
5/8/2011 **
5/9/2011 **
5/10/2011 **
5/11/2011 **
5/12/2011 **
5/13/2011 **
5/14/2011 **
5/15/2011 **
5/16/2011 **
5/17/2011 **
5/18/2011 **
5/19/2011 **
5/20/2011 **
5/21/2011 **
5/22/2011 **
5/23/2011 **
5/24/2011 **
5/25/2011 **
5/26/2011 **
5/27/2011 **
5/28/2011 **
5/29/2011 **
5/30/2011 **
5/31/2011 5.82
6/1/2011 0.00
6/2/2011 0.00
6/3/2011 **
6/4/2011 **
6/5/2011 0.08
6/6/2011 0.00
6/7/2011 0.00
6/8/2011 0.00
6/9/2011 0.44
6/10/2011 1.07
6/11/2011 0.38
6/12/2011 0.00
6/13/2011 0.00
6/14/2011 0.00
6/15/2011 1.41
6/16/2011 0.47
6/17/2011 0.00
6/18/2011 T
6/19/2011 0.00
6/20/2011 3.05
6/21/2011 0.33
6/22/2011 0.86
6/23/2011 0.02
6/24/2011 0.00
6/25/2011 T
6/26/2011 0.00
6/27/2011 0.15
6/28/2011 0.00
6/29/2011 0.00
6/30/2011 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2011 0.00
7/2/2011 0.00
7/3/2011 0.00
7/4/2011 0.00
7/5/2011 0.00
7/6/2011 0.00
7/7/2011 0.00
7/8/2011 0.00
7/9/2011 0.00
7/10/2011 0.00
7/11/2011 0.00
7/12/2011 0.02
7/13/2011 0.00
7/14/2011 0.00
7/15/2011 0.00
7/16/2011 0.00
7/17/2011 0.00
7/18/2011 T
7/19/2011 0.33
7/20/2011 0.00
7/21/2011 **
7/22/2011 **
7/23/2011 **
7/24/2011 **
7/25/2011 **
7/26/2011 **
7/27/2011 **
7/28/2011 **
7/29/2011 1.34
7/30/2011 0.00
7/31/2011 0.00
8/1/2011 0.00
8/2/2011 0.00
8/3/2011 0.00
8/4/2011 **
8/5/2011 **
8/6/2011 **
8/7/2011 **
8/8/2011 **
8/9/2011 1.32
8/10/2011 0.00
8/11/2011 0.00
8/12/2011 0.00
8/13/2011 0.00
8/14/2011 0.00
8/15/2011 1.30
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 0.00 **
8/22/2011 0.00 **
8/23/2011 0.00 **
8/24/2011 0.00 1.89
8/25/2011 1.89
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 0.23
9/1/2011 0.00
9/2/2011 0.00
9/3/2011 0.56
9/4/2011 0.00
9/5/2011 0.00
9/6/2011 0.00
9/7/2011 0.00
9/8/2011 0.00
9/9/2011 0.16
9/10/2011 0.00
9/11/2011 0.00
9/12/2011 0.00
9/13/2011 0.00
9/14/2011 0.00
9/15/2011 0.00
9/16/2011 0.12
9/17/2011 0.00
9/18/2011 0.15
9/19/2011 0.00
9/20/2011 0.00
9/21/2011 0.00
9/22/2011 **
9/23/2011 0.66
9/24/2011 0.00
9/25/2011 0.00
9/26/2011 0.60
9/27/2011 1.51
9/28/2011 0.12
9/29/2011 0.00
9/30/2011 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2010 7:00 AM 0.00 0.0 M M M
10/2/2010 7:00 AM 0.06 M M M M
10/3/2010 7:00 AM 0.00 0.0 M M M
10/4/2010 7:00 AM 0.00 0.0 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
10/9/2010 7:00 AM 0.00 0.0 M M M
10/10/2010 7:00 AM 0.00 0.0 M M M
10/11/2010 7:00 AM 0.00 0.0 M M M
10/12/2010 7:00 AM 0.00 0.0 M M M
10/13/2010 7:00 AM 0.20 M 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
10/16/2010 7:00 AM 0.00 0.0 M M M
10/17/2010 7:00 AM 0.00 0.0 M M M
10/18/2010 7:00 AM T M M M M
10/19/2010 7:00 AM 0.00 0.0 M M M
10/20/2010 7:00 AM 0.00 0.0 M M M
10/21/2010 7:00 AM 0.00 0.0 M M M
10/22/2010 7:00 AM 0.00 0.0 M M M
10/23/2010 9:00 AM 0.15 M M M M
10/24/2010 7:00 AM 0.36 M M M M
10/25/2010 12:00 PM 0.35 M M M M
10/26/2010 12:30 PM 0.13 M M M M Windy!!! Gusts to 30+ in the valley.
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
10/30/2010 7:00 AM 0.00 0.0 M M M
10/31/2010 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
11/4/2010 7:00 AM T M M M M
11/5/2010 7:00 AM 0.00 0.0 M M M
11/6/2010 7:00 AM 0.00 0.0 M M M
11/7/2010 7:00 AM 0.00 0.0 M M M
11/8/2010 7:00 AM 0.00 0.0 M M M
11/9/2010 7:00 AM 0.00 0.0 M M M
11/10/2010 7:00 AM 0.00 0.0 M M M
11/11/2010 7:00 AM 0.00 0.0 M M M
11/17/2010 7:00 AM 0.00 0.0 M M M
11/18/2010 7:00 AM 0.00 0.0 M M M
11/19/2010 7:00 AM 0.00 0.0 M M M
11/20/2010 7:00 AM 0.00 0.0 M M M
11/21/2010 7:00 AM 0.00 0.0 M M M
11/26/2010 7:00 AM 0.00 0.0 M M M
11/27/2010 7:00 AM 0.00 0.0 M M M
11/28/2010 7:00 AM 0.00 0.0 M M M
11/29/2010 7:00 AM 0.00 0.0 M M M
12/3/2010 7:00 AM 0.00 0.0 M M M
12/4/2010 1:00 PM 0.42 M M 4.2 0.42 I checked the depth and melt twice, same both times.
12/5/2010 1:00 PM T M 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 2:00 PM 0.00 0.0 M 3.0 0.35 Still have 100% ground cover.
12/10/2010 1:00 PM 0.13 1.0 0.13 M M Measurments report late due to no internet. Some melt during the day due to higher temps. Still 100% ground cover. Unable to get a good total snow depth.
12/11/2010 7:00 AM 0.00 0.0 M M M
12/30/2010 7:00 AM T M M M M
1/1/2011 7:00 AM 0.42 M M M M
1/2/2011 7:00 AM 0.00 0.0 M M M
1/3/2011 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
1/6/2011 7:00 AM 0.00 0.0 M M M
1/7/2011 7:00 AM 0.00 0.0 M M M
1/8/2011 7:00 AM 0.00 0.0 M M M
1/9/2011 7:00 AM 0.00 0.0 M M M
1/10/2011 7:00 AM 0.00 0.0 M M M
1/11/2011 7:00 AM 0.13 M M M M
1/12/2011 7:00 AM 0.04 M M M M
1/13/2011 7:00 AM T M M M M
1/14/2011 7:00 AM 0.00 0.0 M M M
1/15/2011 2:00 PM 0.00 0.0 M 0.5 0.13 .13 SWE, with 95% coverage. Some Ice Damming in the Fox River at Rt.6 No flooding reported. I have been away for awhile. Try and get them daily now.
1/16/2011 7:00 AM 0.00 0.0 M 0.5 0.13 Still 95% coverage.
1/17/2011 10:00 AM 0.00 0.0 M 0.5 0.13
1/18/2011 7:00 AM 0.31 T T 0.5 T Snow followed by rain melted away most snow. Thin layer of ice on exposed surfaces. Snow coverage 80%. Currently 32 F, H 91%, Wind WNW@6 Chill 26.5 F, Baro 29.20.
1/19/2011 7:00 AM T M M M M
1/20/2011 7:00 AM 0.00 0.0 M M M
1/21/2011 7:00 AM 0.00 0.0 M M M
1/22/2011 7:00 AM 0.02 0.2 M 0.5 M
1/23/2011 7:00 AM 0.00 0.0 M M M
1/24/2011 7:00 AM 0.05 M 0.05 0.5 M
1/25/2011 7:00 AM 0.00 0.0 M 0.5 M 70% Coverage.
1/26/2011 7:00 AM 0.00 0.0 M 0.5 M 50% ground coverage, Temp 22F,H78%,DP17,Wind 4.7NNW, Chill 18.2F Baro 29.47.
1/27/2011 7:00 AM T T M 0.5 M 70-60% Coverage.
1/28/2011 7:00 AM 0.12 1.8 M M M
1/29/2011 7:00 AM 0.00 0.0 M M M
1/30/2011 7:00 AM T M M M M
1/31/2011 7:00 AM 0.00 0.0 M M M
2/1/2011 11:00 AM 0.44 1.4 0.44 1.5 M Snow began yesterday afternoon at 1:40pm. Currently Temp. 25F, RH 73%, Winds E/NE@6 with gusts 24.6, wind chill 12.6F Baro 29.47 and dropping.
2/2/2011 7:00 AM M 16.5 M 16.5 M Due to high winds, my measurement is estimated. I am also unable to get to my gauge to get an SWE. Overnight wind gusts reached 37MPH. Thundersnow and hail of 1/4" was briefly observed during thundersnow around 8pm. Currently Temp 18F, Wind NNW @ 13, wind chill 4.9F, RH 82%, Baro 29.47.
2/3/2011 7:00 AM 0.00 0.0 M M M
2/4/2011 7:00 AM 0.00 0.0 M M M
2/5/2011 7:00 AM 0.00 0.0 M M M
2/6/2011 8:00 AM 0.05 1.3 0.05 M M
2/7/2011 6:00 AM T M M M M
2/8/2011 7:00 AM 0.00 0.0 M M M
2/9/2011 7:00 AM 0.00 0.0 M M M
2/10/2011 7:00 AM 0.00 0.0 M M M
2/11/2011 7:00 AM 0.00 0.0 M M M
2/12/2011 7:00 AM 0.00 0.0 M M M
2/13/2011 7:00 AM 0.00 0.0 M M M
2/14/2011 7:00 AM 0.00 0.0 M M M
2/15/2011 7:00 AM 0.00 0.0 M M M
2/16/2011 7:00 AM 0.00 0.0 M M M
2/28/2011 7:00 AM 0.00 0.0 M M M
3/1/2011 7:00 AM 0.00 0.0 M M M
3/22/2011 7:00 AM T M M M M
6/1/2011 7:00 AM 0.00 0.0 M M M
6/2/2011 7:00 AM 0.00 0.0 M M M
6/6/2011 7:00 AM 0.00 0.0 M M M
6/7/2011 7:00 AM 0.00 0.0 M M M
6/8/2011 7:00 AM 0.00 0.0 M M M
6/9/2011 7:00 AM 0.44 M M M M Rain continuing at time of measurement.
6/10/2011 7:00 AM 1.07 M M M M
6/11/2011 7:00 AM 0.38 M M M M
6/12/2011 7:00 AM 0.00 0.0 M M M
6/13/2011 7:00 AM 0.00 0.0 M M M
6/14/2011 7:00 AM 0.00 0.0 M M M
6/15/2011 7:00 AM 1.41 M M M M
6/16/2011 7:00 AM 0.47 M M M M
6/17/2011 7:00 AM 0.00 0.0 M M M
6/18/2011 7:00 AM T M M M M
6/19/2011 7:00 AM 0.00 0.0 M M M
6/20/2011 7:00 AM 3.05 M M M M Localized flooding over roadways in low areas. Ditches are over banks on IL 23, south of Ottawa, one car was reported in a ditch due to high water levels. Flooding decreased as I traveled south this morning. Rain was continuing at time of measurement.
6/21/2011 7:00 AM 0.33 M M M M Fields and ditches continue to hold water from yesterdays record rains. Major basement flooding from sewerage overflow in parts of South Ottawa reported.
6/22/2011 7:00 AM 0.86 M M M M More heavy rain and flooding overnight. Fields and drainage is over saturated.
6/23/2011 7:00 AM 0.02 M M M M Light rain continuing.
6/24/2011 7:00 AM 0.00 0.0 M M M
6/25/2011 7:00 AM T M M M M
6/26/2011 7:00 AM 0.00 0.0 M M M
6/27/2011 7:00 AM 0.15 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
7/1/2011 7:00 AM 0.00 0.0 M M M
7/2/2011 7:00 AM 0.00 0.0 M M M
7/3/2011 7:00 AM 0.00 0.0 M M M
7/4/2011 7:00 AM 0.00 0.0 M M M
7/5/2011 7:00 AM 0.00 0.0 M M M
7/6/2011 7:00 AM 0.00 0.0 M M M
7/7/2011 7:00 AM 0.00 0.0 M M M
7/8/2011 7:00 AM 0.00 0.0 M M M
7/9/2011 7:00 AM 0.00 0.0 M M M
7/10/2011 7:00 AM 0.00 0.0 M M M
7/11/2011 7:00 AM 0.00 0.0 M M M
7/12/2011 7:00 AM 0.02 M M M M
7/13/2011 7:00 AM 0.00 0.0 M M M
7/14/2011 7:00 AM 0.00 0.0 M M M
7/15/2011 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
7/18/2011 7:00 AM T M M M M A few sprinkles on the windshild this morning.
7/19/2011 7:00 AM 0.33 M M M M
7/20/2011 7:00 AM 0.00 0.0 M M M
7/30/2011 7:00 AM 0.00 0.0 M M M
7/31/2011 7:00 AM 0.00 0.0 M M M
8/1/2011 7:00 AM 0.00 0.0 M M M
8/2/2011 7:00 AM 0.00 0.0 M M M
8/3/2011 7:00 AM 0.00 0.0 M M M
8/10/2011 7:00 AM 0.00 0.0 M M M
8/11/2011 7:00 AM 0.00 0.0 M M M
8/12/2011 7:00 AM 0.00 0.0 M M M
8/13/2011 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 1.30 0.0 M M M
8/16/2011 7:00 AM 0.00 0.0 M M M
8/17/2011 7:00 AM 0.00 0.0 M M M
8/18/2011 7:00 AM 0.00 0.0 M M M
8/19/2011 7:00 AM 0.00 0.0 M M M
8/20/2011 7:00 AM 0.00 0.0 M M M
8/21/2011 7:00 AM 0.00 0.0 M M M
8/22/2011 7:00 AM 0.00 0.0 M M M
8/23/2011 7:00 AM 0.00 0.0 M M M
8/24/2011 7:00 AM 0.00 0.0 M M M
8/25/2011 7:00 AM 1.89 M M M M
8/26/2011 7:00 AM 0.00 0.0 M M M
8/27/2011 7:00 AM 0.00 0.0 M M M
8/28/2011 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 0.23 M 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
9/3/2011 7:00 AM 0.56 M M M M
9/4/2011 7:00 AM 0.00 0.0 M M M
9/5/2011 7:00 AM 0.00 0.0 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 0.16 M M M M
9/10/2011 7:00 AM 0.00 0.0 M M M
9/11/2011 7:00 AM 0.00 0.0 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
9/14/2011 7:00 AM 0.00 0.0 M M M
9/15/2011 7:00 AM 0.00 0.0 M M M
9/16/2011 7:00 AM 0.12 M M M M
9/17/2011 7:00 AM 0.00 0.0 M M M
9/18/2011 1:30 AM 0.15 M M M M
9/19/2011 7:00 AM 0.00 0.0 M M M
9/20/2011 7:00 AM 0.00 0.0 M M M
9/21/2011 7:00 AM 0.00 0.0 M M M
9/24/2011 7:00 AM 0.00 0.0 M M M
9/25/2011 7:00 AM 0.00 0.0 M M M
9/26/2011 7:00 AM 0.60 M M M M Light rain continuing.
9/27/2011 7:00 AM 1.51 M M M M Light mist falling at time of measurement. Continuing throughout my drive to S Streator this morning.
9/28/2011 7:00 AM 0.12 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
11/12/2010 11/13/2010 7:00 AM 2 0.06 M M
11/14/2010 11/16/2010 7:00 AM 3 0.10 M M
11/22/2010 11/25/2010 11:00 AM 4 1.19 M M Includes melted sleet from 11/24/10.
11/30/2010 12/02/2010 7:00 AM 3 T M M Trace of snow.
2/17/2011 3/01/2011 6:00 PM 13 2.62 0.0 M Multi day includes melted snow (SWE) and rain accumulation.
3/2/2011 3/21/2011 6:00 AM 20 0.72 M M
3/23/2011 4/03/2011 10:00 AM 12 0.42 M M
4/4/2011 4/23/2011 7:00 PM 20 3.52 M M
4/24/2011 4/26/2011 7:00 AM 3 0.82 M M Noticable ponding of ditches and fields between Ottawa and Streator. Many yards are now holding water. Both the Illinois/Fox river at Ottawa and Vermillion at Sandyford Bridge and Streator locations are over the banks.
4/27/2011 5/02/2011 7:00 AM 6 0.35 M M
5/3/2011 5/31/2011 6:00 PM 29 5.82 M M
6/3/2011 6/05/2011 7:00 AM 3 0.08 M M
7/21/2011 7/29/2011 7:00 AM 9 1.34 M M
8/4/2011 8/09/2011 7:00 AM 6 1.32 M M
8/20/2011 8/24/2011 7:00 AM 5 1.89 M M
9/22/2011 9/23/2011 7:00 AM 2 0.66 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
9/3/2011 2:34 PM 3/4" Penny Size NA 1/4" Pea Size Mixed|White Ice 2 1min no damage Continuous True After rain Same time as smaller hail 10-20