Station Overview Station Location
Station Number IL-KN-4 Latitude 41.77622
Station Name Sugar Grove 0.7 NE Longitude -88.447768
County Kane Elevation (ft) 715



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 14 2.88 2.62 31 2.53 29 0.09 2 1 11 0 0.0 0 0
Nov 14 3.03 1.39 29 1.33 24 0.06 5 2 5 7 1.7 2 6
Dec 14 2.12 0.74 31 0.74 31 0.00 0 0 5 5 0.0 0 0
Jan 15 1.54 1.16 29 1.16 29 0.00 0 0 9 4 7.8 8 22
Feb 15 1.60 1.57 27 1.57 27 0.00 0 0 7 5 17.7 6 27
March 15 2.20 0.65 31 0.60 28 0.05 3 1 5 1 2.8 3 12
April 15 3.43 4.61 30 3.66 28 0.95 2 1 11 1 0.0 0 0
May 15 4.04 4.87 31 4.87 31 0.00 0 0 19 0 0.0 0 0
June 15 3.93 9.16 30 9.16 30 0.00 0 0 17 1 0.0 0 0
July 15 3.81 4.43 30 4.43 30 0.00 0 0 10 1 0.0 0 0
Aug 15 4.12 3.40 30 3.37 27 0.03 3 1 8 0 0.0 0 0
Sept 15 3.33 3.81 30 2.22 16 1.59 14 2 3 0 0.0 0 0
Water Year Totals: 36.03" 38.41" 359 days 35.64" 330 2.77" 29 days 8 110 days 25 days 30.0" 19 days 67 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
10/1/2014 0.00
10/2/2014 0.02
10/3/2014 0.81
10/4/2014 **
10/5/2014 0.09
10/6/2014 0.01
10/7/2014 0.01
10/8/2014 0.00
10/9/2014 0.00
10/10/2014 0.00
10/11/2014 0.00
10/12/2014 0.00
10/13/2014 0.21
10/14/2014 0.74
10/15/2014 0.62
10/16/2014 0.08
10/17/2014 0.01
10/18/2014 0.01
10/19/2014 0.01
10/20/2014 0.00
10/21/2014 0.00
10/22/2014 0.00
10/23/2014 0.00
10/24/2014 0.00
10/25/2014 0.00
10/26/2014 0.00
10/27/2014 0.00
10/28/2014 0.00
10/29/2014 0.00
10/30/2014 0.00
10/31/2014 0.00
11/1/2014 T
11/2/2014 0.00
11/3/2014 0.00
11/4/2014 **
11/5/2014 0.03
11/6/2014 T
11/7/2014 **
11/8/2014 **
11/9/2014 0.03
11/10/2014 0.00
11/11/2014 0.00
11/12/2014
11/13/2014 T
11/14/2014 T
11/15/2014 T
11/16/2014 0.01
11/17/2014 0.01
11/18/2014 T
11/19/2014 0.00
11/20/2014 0.00
11/21/2014 0.00
11/22/2014 0.09
11/23/2014 0.00
11/24/2014 0.73
11/25/2014 0.49
11/26/2014 0.00
11/27/2014 0.00
11/28/2014 T
11/29/2014 0.00
11/30/2014 0.00
12/1/2014 0.00
12/2/2014 0.00
12/3/2014 0.00
12/4/2014 0.00
12/5/2014 0.00
12/6/2014 0.00
12/7/2014 0.00
12/8/2014 0.04
12/9/2014 0.16
12/10/2014 0.00
12/11/2014 0.00
12/12/2014 0.00
12/13/2014 0.00
12/14/2014 0.00
12/15/2014 T
12/16/2014 0.14
12/17/2014 T
12/18/2014 0.00
12/19/2014 0.00
12/20/2014 0.00
12/21/2014 T
12/22/2014 0.00
12/23/2014 0.39
12/24/2014 T
12/25/2014 T
12/26/2014 0.00
12/27/2014 0.00
12/28/2014 0.01
12/29/2014 0.00
12/30/2014 0.00
12/31/2014 0.00
Day of YearDaily PrcpMultiday Prcp
1/1/2015 0.00
1/2/2015 0.00
1/3/2015 0.17
1/4/2015 0.53
1/5/2015 0.02
1/6/2015 0.21
1/7/2015 0.00
1/8/2015 0.00
1/9/2015 0.10
1/10/2015 0.00
1/11/2015 0.00
1/12/2015
1/13/2015 T
1/14/2015 T
1/15/2015 0.00
1/16/2015 0.00
1/17/2015 0.00
1/18/2015 0.00
1/19/2015 0.00
1/20/2015 0.02
1/21/2015 T
1/22/2015 0.06
1/23/2015 0.00
1/24/2015 0.00
1/25/2015 T
1/26/2015
1/27/2015 0.04
1/28/2015 0.00
1/29/2015 0.01
1/30/2015 0.00
1/31/2015 0.00
2/1/2015 0.72
2/2/2015 0.61
2/3/2015 0.00
2/4/2015 0.02
2/5/2015 0.01
2/6/2015 0.00
2/7/2015 0.00
2/8/2015 0.00
2/9/2015 0.00
2/10/2015 T
2/11/2015 0.00
2/12/2015 0.01
2/13/2015 0.00
2/14/2015 0.00
2/15/2015 T
2/16/2015 0.00
2/17/2015 T
2/18/2015 T
2/19/2015 T
2/20/2015 0.00
2/21/2015 0.01
2/22/2015 0.00
2/23/2015 0.00
2/24/2015 0.00
2/25/2015 0.00
2/26/2015 0.19
2/27/2015 0.00
2/28/2015
3/1/2015 T
3/2/2015 0.00
3/3/2015 0.05
3/4/2015 0.03
3/5/2015 0.00
3/6/2015 0.00
3/7/2015 0.00
3/8/2015 0.00
3/9/2015 0.00
3/10/2015 0.00
3/11/2015 0.00
3/12/2015 0.00
3/13/2015 0.00
3/14/2015 0.00
3/15/2015 0.00
3/16/2015 0.00
3/17/2015 0.00
3/18/2015 0.00
3/19/2015 0.00
3/20/2015 0.00
3/21/2015 0.00
3/22/2015 0.00
3/23/2015 0.06
3/24/2015 0.26
3/25/2015 0.20
3/26/2015 0.00
3/27/2015 0.00
3/28/2015 **
3/29/2015 **
3/30/2015 0.05
3/31/2015 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2015 0.00
4/2/2015 0.51
4/3/2015 0.02
4/4/2015 0.00
4/5/2015 0.00
4/6/2015 0.00
4/7/2015 0.11
4/8/2015 0.01
4/9/2015 0.67
4/10/2015 1.41
4/11/2015 0.00
4/12/2015 0.00
4/13/2015 0.40
4/14/2015 0.01
4/15/2015 0.00
4/16/2015 0.00
4/17/2015 0.00
4/18/2015 0.00
4/19/2015 0.00
4/20/2015 0.48
4/21/2015 0.02
4/22/2015 0.00
4/23/2015 T
4/24/2015 0.00
4/25/2015 **
4/26/2015 0.95
4/27/2015 0.00
4/28/2015 0.00
4/29/2015 0.00
4/30/2015 0.02
5/1/2015 0.00
5/2/2015 0.00
5/3/2015 0.00
5/4/2015 0.18
5/5/2015 0.83
5/6/2015 0.04
5/7/2015 0.00
5/8/2015 0.07
5/9/2015 1.33
5/10/2015 0.05
5/11/2015 0.16
5/12/2015 0.26
5/13/2015 0.00
5/14/2015 0.00
5/15/2015 0.26
5/16/2015 0.03
5/17/2015 0.13
5/18/2015 0.01
5/19/2015 0.00
5/20/2015 0.00
5/21/2015 0.03
5/22/2015 0.00
5/23/2015 0.00
5/24/2015 0.03
5/25/2015 0.28
5/26/2015 0.06
5/27/2015 0.67
5/28/2015 0.00
5/29/2015 0.00
5/30/2015 0.14
5/31/2015 0.31
6/1/2015 0.00
6/2/2015 0.00
6/3/2015 0.00
6/4/2015 0.00
6/5/2015 0.00
6/6/2015 0.00
6/7/2015 T
6/8/2015 0.65
6/9/2015 0.39
6/10/2015 0.00
6/11/2015 0.00
6/12/2015 0.94
6/13/2015 0.27
6/14/2015 1.15
6/15/2015 0.08
6/16/2015 3.09
6/17/2015 0.01
6/18/2015 0.56
6/19/2015 0.01
6/20/2015 0.00
6/21/2015 0.84
6/22/2015 0.00
6/23/2015 0.07
6/24/2015 0.00
6/25/2015 0.53
6/26/2015 0.04
6/27/2015 0.12
6/28/2015 0.00
6/29/2015 0.13
6/30/2015 0.28
Day of YearDaily PrcpMultiday Prcp
7/1/2015 0.00
7/2/2015 0.00
7/3/2015 0.00
7/4/2015 0.00
7/5/2015 0.00
7/6/2015 0.00
7/7/2015 1.68
7/8/2015 T
7/9/2015 0.05
7/10/2015 0.00
7/11/2015 0.00
7/12/2015 0.14
7/13/2015 0.02
7/14/2015 0.95
7/15/2015 0.00
7/16/2015 0.01
7/17/2015 1.08
7/18/2015 0.09
7/19/2015 0.00
7/20/2015 0.00
7/21/2015 0.00
7/22/2015 0.00
7/23/2015 0.00
7/24/2015 0.00
7/25/2015
7/26/2015 0.00
7/27/2015 0.04
7/28/2015 0.00
7/29/2015 0.37
7/30/2015 0.00
7/31/2015 0.00
8/1/2015 0.00
8/2/2015 0.00
8/3/2015 0.24
8/4/2015 0.00
8/5/2015 0.00
8/6/2015 0.00
8/7/2015 0.00
8/8/2015 0.00
8/9/2015 **
8/10/2015 0.03
8/11/2015 0.64
8/12/2015 0.00
8/13/2015 0.00
8/14/2015 0.00
8/15/2015 0.46
8/16/2015 0.04
8/17/2015
8/18/2015 0.35
8/19/2015 0.34
8/20/2015 0.00
8/21/2015 0.00
8/22/2015 0.00
8/23/2015 0.00
8/24/2015 0.00
8/25/2015 0.00
8/26/2015 0.00
8/27/2015 0.00
8/28/2015 0.00
8/29/2015 0.39
8/30/2015 0.91
8/31/2015 **
9/1/2015 **
9/2/2015 **
9/3/2015 **
9/4/2015 **
9/5/2015 **
9/6/2015 **
9/7/2015 **
9/8/2015 **
9/9/2015 **
9/10/2015 **
9/11/2015 **
9/12/2015 1.59
9/13/2015 0.00
9/14/2015 0.00
9/15/2015 0.00
9/16/2015 0.00
9/17/2015 0.00
9/18/2015 0.49
9/19/2015 1.56
9/20/2015 **
9/21/2015 0.00
9/22/2015 0.00
9/23/2015 0.00
9/24/2015 0.00
9/25/2015 0.00
9/26/2015 0.00
9/27/2015 0.00
9/28/2015 0.00
9/29/2015 0.00
9/30/2015 0.17



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2014 7:00 AM 0.00 0.0 M M M
10/2/2014 7:00 AM 0.02 M M M M
10/3/2014 7:00 AM 0.81 M M M M light rain at ob time.
10/6/2014 7:00 AM 0.01 M M M M
10/7/2014 7:00 AM 0.01 M M M M
10/8/2014 7:00 AM 0.00 0.0 M M M
10/9/2014 7:00 AM 0.00 0.0 M M M
10/10/2014 7:00 AM 0.00 0.0 M M M
10/11/2014 7:00 AM 0.00 0.0 M M M
10/12/2014 7:00 AM 0.00 0.0 M M M
10/13/2014 7:00 AM 0.21 M M M M
10/14/2014 7:00 AM 0.74 M M M M
10/15/2014 7:00 AM 0.62 M M M M very light drizzle at ob time.
10/16/2014 7:00 AM 0.08 M M M M
10/17/2014 7:00 AM 0.01 M M M M
10/18/2014 7:00 AM 0.01 M M M M
10/19/2014 7:00 AM 0.01 M M M M widespread frost this morning at ob time.
10/20/2014 7:00 AM 0.00 0.0 M M M
10/21/2014 7:00 AM 0.00 0.0 M M M
10/22/2014 7:00 AM 0.00 0.0 M M M
10/23/2014 7:00 AM 0.00 0.0 M M M
10/24/2014 7:00 AM 0.00 0.0 M M M
10/25/2014 7:00 AM 0.00 0.0 M M M
10/26/2014 7:00 AM 0.00 0.0 M M M
10/27/2014 7:00 AM 0.00 0.0 M M M
10/28/2014 7:00 AM 0.00 0.0 M M M
10/29/2014 7:00 AM 0.00 0.0 M M M
10/30/2014 7:00 AM 0.00 0.0 M M M
10/31/2014 7:00 AM 0.00 0.0 M M M
11/1/2014 7:00 AM T M M M M If snow fell at this location it was not observed. snowfall was seen along the I-88 corridor east of Aurora between 7:00 and 8:00 a.m.
11/2/2014 7:00 AM 0.00 0.0 M M M
11/3/2014 7:00 AM 0.00 0.0 M M M
11/6/2014 7:00 AM T M M M M a few very light sprinkles at ob time. breezy.
11/10/2014 7:00 AM 0.00 0.0 M M M
11/11/2014 7:00 AM 0.00 0.0 M M M
11/13/2014 7:00 AM T T M T M flurries at ob time.
11/14/2014 7:00 AM T T M T M
11/15/2014 7:00 AM T T M T M
11/16/2014 7:00 AM 0.01 0.3 M 0.5 M light snow overnight adhering mainly to open and grassy areas.
11/17/2014 7:00 AM 0.01 T M T M
11/18/2014 7:00 AM T T M T M
11/19/2014 7:00 AM 0.00 0.0 M M M
11/20/2014 7:00 AM 0.00 0.0 M M M
11/21/2014 7:00 AM 0.00 0.0 M M M
11/22/2014 7:00 AM 0.09 M M M M overcast and misty at ob time. no ice accumulation at this location.
11/23/2014 7:00 AM 0.00 0.0 M M M
11/24/2014 7:00 AM 0.73 M M M M
11/25/2014 7:00 AM 0.49 1.4 M 1.5 M
11/26/2014 7:00 AM 0.00 0.0 M 1.0 M
11/27/2014 7:00 AM 0.00 0.0 M 1.0 M
11/28/2014 7:00 AM T T M 1.0 M
11/29/2014 7:00 AM 0.00 0.0 M 0.5 M
11/30/2014 7:00 AM 0.00 0.0 M 0.0 M fog at ob time. visibility about 1/4 mile.
12/1/2014 7:00 AM 0.00 0.0 M 0.0 M
12/2/2014 7:00 AM 0.00 0.0 M 0.0 M
12/3/2014 7:00 AM 0.00 0.0 M 0.0 M
12/4/2014 7:00 AM 0.00 0.0 M 0.0 M
12/5/2014 7:00 AM 0.00 0.0 M 0.0 M
12/6/2014 7:00 AM 0.00 0.0 M 0.0 M
12/7/2014 7:00 AM 0.00 0.0 M 0.0 M
12/8/2014 6:45 AM 0.04 0.0 M 0.0 M light rain at ob time.
12/9/2014 7:00 AM 0.16 0.0 M 0.0 M
12/10/2014 7:00 AM 0.00 0.0 M 0.0 M
12/11/2014 7:00 AM 0.00 0.0 M 0.0 M
12/12/2014 7:00 AM 0.00 0.0 M 0.0 M light frost evident on many surfaces.
12/13/2014 7:00 AM 0.00 0.0 M 0.0 M
12/14/2014 7:00 AM 0.00 0.0 M 0.0 M
12/15/2014 7:00 AM T 0.0 M 0.0 M
12/16/2014 7:00 AM 0.14 0.0 M 0.0 M overcast and misty at ob time.
12/17/2014 7:00 AM T 0.0 M 0.0 M
12/18/2014 7:00 AM 0.00 0.0 M 0.0 M
12/19/2014 7:00 AM 0.00 0.0 M 0.0 M
12/20/2014 7:00 AM 0.00 0.0 M 0.0 M
12/21/2014 7:00 AM T 0.0 M 0.0 M
12/22/2014 7:00 AM 0.00 0.0 M 0.0 M
12/23/2014 7:00 AM 0.39 0.0 M 0.0 M a few sprinkles at ob time.
12/24/2014 7:00 AM T 0.0 M 0.0 M
12/25/2014 7:00 AM T 0.0 M 0.0 M
12/26/2014 7:00 AM 0.00 0.0 M 0.0 M
12/27/2014 7:00 AM 0.00 0.0 M 0.0 M
12/28/2014 7:00 AM 0.01 0.0 M 0.0 M
12/29/2014 7:00 AM 0.00 0.0 M 0.0 M
12/30/2014 7:00 AM 0.00 0.0 M 0.0 M
12/31/2014 7:00 AM 0.00 0.0 M 0.0 M
1/1/2015 7:00 AM 0.00 0.0 M 0.0 M
1/2/2015 7:00 AM 0.00 0.0 M 0.0 M
1/3/2015 7:45 AM 0.17 0.5 M 0.5 M wet, slushy accumulation of snow in the process of melting at ob time.
1/4/2015 7:00 AM 0.53 1.0 M 1.0 M Saturdays' rain transitioned to snow overnight resulting in an inch of accumulation. snow packed on the north face of the collection tube indicate a wind-driven event.
1/5/2015 7:00 AM 0.02 0.3 M 1.5 M
1/6/2015 7:00 AM 0.21 3.0 M 4.5 M
1/7/2015 7:00 AM 0.00 0.0 M 4.0 M
1/8/2015 7:00 AM 0.00 0.0 M 3.5 M
1/9/2015 7:00 AM 0.10 1.9 M 5.0 M considerable blowing and drifting of snowpack. 5" overall average depth.
1/10/2015 7:00 AM 0.00 0.0 M 5.0 M
1/11/2015 7:00 AM 0.00 0.0 M 5.0 M
1/13/2015 7:00 AM T 0.2 M 7.0 M
1/14/2015 7:00 AM T T M 6.5 M fog at ob time. visibility about a 1/2 mile. hoarfrost evident on tree branches and bushes. temp. 0°F
1/15/2015 7:00 AM 0.00 0.0 M 6.5 M
1/16/2015 7:00 AM 0.00 0.0 M 6.0 M
1/17/2015 7:00 AM 0.00 0.0 M 5.0 M
1/18/2015 7:00 AM 0.00 0.0 M 2.5 M
1/19/2015 7:00 AM 0.00 0.0 M 1.0 M
1/20/2015 7:00 AM 0.02 0.0 M 1.0 M thin veneer of ice covering exposed surfaces this morning.
1/21/2015 7:00 AM T T M 0.5 M
1/22/2015 7:00 AM 0.06 0.4 M 0.5 M
1/23/2015 7:00 AM 0.00 0.0 M 0.5 M
1/24/2015 7:00 AM 0.00 0.0 M T M
1/25/2015 7:00 AM T T M T M very light snow falling at ob time.
1/27/2015 7:00 AM 0.04 0.5 M 1.0 M freezing drizzle observed yesterday evening.
1/28/2015 7:00 AM 0.00 0.0 M 0.5 M
1/29/2015 7:00 AM 0.01 0.0 M T M
1/30/2015 7:00 AM 0.00 0.0 M T M
1/31/2015 7:00 AM 0.00 0.0 M T M
2/1/2015 7:00 AM 0.72 8.0 M 8.0 M snow was falling at 7 am ob time. breezy conditions with some minor drifting. average snow depth from several readings was 8".
2/2/2015 7:00 AM 0.61 7.5 M 15.5 M snow measuring board was scoured bare by high winds, but the total snowfall, when added to yesterday's measure, indicates that about 7.5 " fell during the day on Sunday. there was considerable blowing and drifting of snow during the event.
2/3/2015 7:00 AM 0.00 0.0 M 14.0 M
2/4/2015 7:00 AM 0.02 0.3 M 14.0 M
2/5/2015 7:00 AM 0.01 0.1 M 13.0 M
2/6/2015 7:00 AM 0.00 0.0 M 12.0 M
2/7/2015 7:00 AM 0.00 0.0 M 11.0 M
2/8/2015 7:00 AM 0.00 0.0 M 9.0 M
2/9/2015 7:00 AM 0.00 0.0 M 8.5 M
2/10/2015 7:00 AM T T M 8.0 M
2/11/2015 7:00 AM 0.00 0.0 M 8.0 M
2/12/2015 7:00 AM 0.01 0.1 M 8.0 M
2/13/2015 7:00 AM 0.00 0.0 M 8.0 M
2/14/2015 7:00 AM 0.00 0.0 M 7.0 M partly cloudy with gusty winds at ob time.
2/15/2015 7:00 AM T T M 6.0 M
2/16/2015 7:00 AM 0.00 0.0 M 6.0 M
2/17/2015 7:00 AM T T M 6.0 M a few flurries at ob time.
2/18/2015 7:00 AM T T M 6.0 M
2/19/2015 7:00 AM T T M 6.0 M
2/20/2015 7:00 AM 0.00 0.0 M 5.5 M
2/21/2015 7:00 AM 0.01 T M 5.5 M
2/22/2015 7:00 AM 0.00 0.0 M 5.5 M
2/23/2015 7:00 AM 0.00 0.0 M 5.5 M
2/24/2015 7:00 AM 0.00 0.0 M 5.5 M
2/25/2015 7:00 AM 0.00 0.0 M 5.0 M
2/26/2015 7:00 AM 0.19 1.7 M 6.5 M
2/27/2015 7:00 AM 0.00 0.0 M 6.5 M
3/1/2015 7:00 AM T T M 6.5 M
3/2/2015 7:00 AM 0.00 0.0 M 6.5 M
3/3/2015 7:00 AM 0.05 0.3 M 6.5 M
3/4/2015 7:00 AM 0.03 0.0 M 6.0 M
3/5/2015 7:00 AM 0.00 0.0 M 6.0 M
3/6/2015 7:00 AM 0.00 0.0 M 5.5 M
3/7/2015 7:00 AM 0.00 0.0 M 5.5 M
3/8/2015 7:00 AM 0.00 0.0 M 5.0 M
3/9/2015 7:00 AM 0.00 0.0 M 4.5 M
3/10/2015 7:00 AM 0.00 0.0 M 1.5 M above freezing temps. have caused a significant reduction to the snowpack. fog at ob time, visibility about a 1/4 mile.
3/11/2015 7:00 AM 0.00 0.0 M T M
3/12/2015 7:00 AM 0.00 0.0 M T M
3/13/2015 7:00 AM 0.00 0.0 M T M
3/14/2015 7:00 AM 0.00 0.0 M T M
3/15/2015 7:00 AM 0.00 0.0 M 0.0 M
3/16/2015 7:00 AM 0.00 0.0 M 0.0 M
3/17/2015 7:00 AM 0.00 0.0 M 0.0 M
3/18/2015 7:00 AM 0.00 0.0 M 0.0 M
3/19/2015 7:00 AM 0.00 0.0 M 0.0 M
3/20/2015 7:00 AM 0.00 0.0 M 0.0 M
3/21/2015 7:00 AM 0.00 0.0 M 0.0 M
3/22/2015 7:00 AM 0.00 0.0 M 0.0 M
3/23/2015 6:45 AM 0.06 0.5 M 0.5 M
3/24/2015 7:00 AM 0.26 2.0 M 3.0 M with temps. at or near freezing during the precip., some melting was occurring which makes the total snowfall amount difficult to calculate. collection tube contained no snow, just an accumulation of ice.
3/25/2015 7:00 AM 0.20 0.0 M T M
3/26/2015 7:00 AM 0.00 0.0 M 0.0 M
3/27/2015 7:00 AM 0.00 0.0 M 0.0 M
3/31/2015 7:00 AM 0.00 0.0 M 0.0 M
4/1/2015 7:00 AM 0.00 0.0 M 0.0 M
4/2/2015 7:00 AM 0.51 0.0 M 0.0 M moderate rainfall with some thunder at ob time.
4/3/2015 7:00 AM 0.02 0.0 M 0.0 M
4/4/2015 7:00 AM 0.00 0.0 M 0.0 M
4/5/2015 7:00 AM 0.00 0.0 M 0.0 M
4/6/2015 7:00 AM 0.00 0.0 M 0.0 M
4/7/2015 7:00 AM 0.11 0.0 M 0.0 M
4/8/2015 7:00 AM 0.01 0.0 M 0.0 M very light fog at ob time.
4/9/2015 7:00 AM 0.67 0.0 M 0.0 M thunderstorm around 6 a.m. this morning with frequent lightning and moderate rainfall. a few sprinkles at ob time.
4/10/2015 7:00 AM 1.41 0.0 M 0.0 M several rounds of storms throughout the day on Thurs. were responsible for the majority of the rainfall total. a brief thundershower around 6:15 produced some small hail. (pea size)
4/11/2015 7:00 AM 0.00 0.0 M 0.0 M
4/12/2015 7:00 AM 0.00 0.0 M 0.0 M
4/13/2015 7:00 AM 0.40 0.0 M 0.0 M
4/14/2015 7:00 AM 0.01 0.0 M 0.0 M
4/15/2015 7:00 AM 0.00 0.0 M 0.0 M
4/16/2015 7:00 AM 0.00 0.0 M 0.0 M
4/17/2015 7:00 AM 0.00 0.0 M 0.0 M
4/18/2015 7:00 AM 0.00 0.0 M 0.0 M
4/19/2015 7:00 AM 0.00 0.0 M 0.0 M
4/20/2015 7:00 AM 0.48 0.0 M 0.0 M
4/21/2015 7:00 AM 0.02 0.0 M 0.0 M
4/22/2015 7:00 AM 0.00 0.0 M 0.0 M
4/23/2015 7:00 AM T T M 0.0 M frost this a.m.
4/24/2015 7:00 AM 0.00 0.0 M 0.0 M frost again at ob time.
4/27/2015 7:00 AM 0.00 0.0 M 0.0 M
4/28/2015 7:00 AM 0.00 0.0 M 0.0 M
4/29/2015 7:00 AM 0.00 0.0 M 0.0 M
4/30/2015 7:00 AM 0.02 0.0 M 0.0 M
5/1/2015 7:00 AM 0.00 0.0 M 0.0 M
5/2/2015 7:00 AM 0.00 0.0 M M M
5/3/2015 7:00 AM 0.00 0.0 M M M
5/4/2015 7:00 AM 0.18 0.0 M M M thundershower Sunday evening around 6:30 pm.
5/5/2015 6:45 AM 0.83 0.0 M 0.0 M light rain at ob time.
5/6/2015 7:00 AM 0.04 M M M M light fog at ob time, visibility > 1/4 mile.
5/7/2015 7:00 AM 0.00 0.0 M M M
5/8/2015 7:00 AM 0.07 0.0 M M M
5/9/2015 7:00 AM 1.33 M M M M
5/10/2015 7:00 AM 0.05 M M M M
5/11/2015 6:45 AM 0.16 M M M M rain falling at ob time.
5/12/2015 7:00 AM 0.26 M M M M
5/13/2015 7:00 AM 0.00 0.0 M M M
5/14/2015 7:00 AM 0.00 0.0 M M M
5/15/2015 7:00 AM 0.26 M M M M
5/16/2015 5:00 AM 0.03 M M M M light rain at ob time.
5/17/2015 7:00 AM 0.13 M M M M
5/18/2015 7:00 AM 0.01 M M M M
5/19/2015 7:00 AM 0.00 0.0 M M M
5/20/2015 7:00 AM 0.00 0.0 M M M
5/21/2015 7:00 AM 0.03 M M M M
5/22/2015 7:00 AM 0.00 0.0 M M M
5/23/2015 7:00 AM 0.00 0.0 M M M
5/24/2015 7:00 AM 0.03 M M M M
5/25/2015 7:00 AM 0.28 M M M M
5/26/2015 7:00 AM 0.06 M M M M
5/27/2015 7:00 AM 0.67 M M M M
5/28/2015 7:00 AM 0.00 0.0 M M M
5/29/2015 7:00 AM 0.00 0.0 M M M
5/30/2015 7:00 AM 0.14 M M M M light rain falling at ob time.
5/31/2015 7:00 AM 0.31 M M M M
6/1/2015 7:00 AM 0.00 0.0 M M M
6/2/2015 7:00 AM 0.00 0.0 M M M
6/3/2015 7:00 AM 0.00 0.0 M M M
6/4/2015 7:00 AM 0.00 0.0 M M M
6/5/2015 7:00 AM 0.00 0.0 M M M
6/6/2015 7:00 AM 0.00 0.0 M M M
6/7/2015 7:00 AM T M M M M light sprinkles were falling at ob time.
6/8/2015 7:00 AM 0.65 M M M M
6/9/2015 7:00 AM 0.39 M M M M evidence of hailstorm sometime prior to 5:30 p.m. yesterday. hailstones of various sizes, mostly pea-size up to 3/8" with small piles under the downspouts. numerous leaves were stripped from the trees in the yard.
6/10/2015 7:00 AM 0.00 0.0 M M M
6/11/2015 7:00 AM 0.00 0.0 M M M
6/12/2015 7:00 AM 0.94 M M M M light rain at ob time.
6/13/2015 7:00 AM 0.27 M M M M
6/14/2015 7:00 AM 1.15 M M M M
6/15/2015 7:00 AM 0.08 M M M M
6/16/2015 7:00 AM 3.09 M M M M very heavy rainfall beginning shortly before 6:00 p.m. and continuing for about 30 minutes. light to moderate rain afterward.
6/17/2015 7:00 AM 0.01 M M M M
6/18/2015 7:00 AM 0.56 M M M M very light rain at ob time.
6/19/2015 7:00 AM 0.01 M M M M
6/20/2015 7:00 AM 0.00 0.0 M M M
6/21/2015 7:00 AM 0.84 M M M M several rounds of showers and thunderstorms Sat. evening.
6/22/2015 7:00 AM 0.00 0.0 M M M
6/23/2015 7:00 AM 0.07 M M M M last night's storms began to the west and tracked to the south and east of this location.
6/24/2015 7:00 AM 0.00 0.0 M M M
6/25/2015 7:00 AM 0.53 M M M M thundershowers overnight.
6/26/2015 7:00 AM 0.04 M M M M
6/27/2015 7:00 AM 0.12 M M M M
6/28/2015 7:00 AM 0.00 0.0 M M M
6/29/2015 7:00 AM 0.13 M M M M
6/30/2015 7:00 AM 0.28 M M M M
7/1/2015 7:00 AM 0.00 0.0 M M M
7/2/2015 7:00 AM 0.00 0.0 M M M
7/3/2015 7:00 AM 0.00 0.0 M M M
7/4/2015 7:00 AM 0.00 0.0 M M M
7/5/2015 7:00 AM 0.00 0.0 M M M
7/6/2015 7:00 AM 0.00 0.0 M M M
7/7/2015 6:45 AM 1.68 M M M M light rain at ob time.
7/8/2015 7:00 AM T M M M M
7/9/2015 7:00 AM 0.05 M M M M
7/10/2015 7:00 AM 0.00 0.0 M M M
7/11/2015 7:00 AM 0.00 0.0 M M M
7/12/2015 7:00 AM 0.14 M M M M
7/13/2015 6:35 AM 0.02 M M M M measurement taken just minutes before the arrival of a thunderstorm with moderate/heavy rain.
7/14/2015 7:00 AM 0.95 M M M M .86" fell during the morning with the remainder occurring with a diminishing t-shower around 10:35 last night. storm was active with considerable lightning but little wind or rain.
7/15/2015 7:00 AM 0.00 0.0 M M M
7/16/2015 7:00 AM 0.01 M M M M
7/17/2015 7:00 AM 1.08 M M M M very heavy rain experienced along I-88 from Naperville to Aurora between 5:00 and 5:30 p.m. yesterday.
7/18/2015 7:00 AM 0.09 M M M M
7/19/2015 7:00 AM 0.00 0.0 M M M
7/20/2015 7:00 AM 0.00 0.0 M M M
7/21/2015 7:00 AM 0.00 0.0 M M M
7/22/2015 7:00 AM 0.00 0.0 M M M
7/23/2015 7:00 AM 0.00 0.0 M M M
7/24/2015 7:00 AM 0.00 0.0 M M M
7/26/2015 7:00 AM 0.00 0.0 M M M
7/27/2015 7:00 AM 0.04 M M M M
7/28/2015 7:00 AM 0.00 0.0 M M M
7/29/2015 7:00 AM 0.37 M M M M
7/30/2015 7:00 AM 0.00 0.0 M M M
7/31/2015 7:00 AM 0.00 0.0 M M M
8/1/2015 7:00 AM 0.00 0.0 M M M
8/2/2015 7:00 AM 0.00 0.0 M M M
8/3/2015 7:00 AM 0.24 M M M M thunderstorm in St. Charles a little after 2 p.m. yesterday. cg lightning, heavy rain and small hail.
8/4/2015 7:00 AM 0.00 0.0 M M M
8/5/2015 7:00 AM 0.00 0.0 M M M
8/6/2015 7:00 AM 0.00 0.0 M M M
8/7/2015 7:00 AM 0.00 0.0 M M M
8/8/2015 7:00 AM 0.00 0.0 M M M
8/11/2015 7:00 AM 0.64 M M M M
8/12/2015 7:00 AM 0.00 0.0 M M M
8/13/2015 7:00 AM 0.00 0.0 M M M
8/14/2015 7:00 AM 0.00 0.0 M M M
8/15/2015 7:00 AM 0.46 M M M M thundershower last night around 9:45 p.m. there was another round of rain and some thunder through the early morning hours today.
8/16/2015 7:00 AM 0.04 M M M M
8/18/2015 7:00 AM 0.35 M M M M
8/19/2015 7:00 AM 0.34 M M M M
8/20/2015 7:00 AM 0.00 0.0 M M M
8/21/2015 7:00 AM 0.00 0.0 M M M
8/22/2015 7:00 AM 0.00 0.0 M M M
8/23/2015 7:00 AM 0.00 0.0 M M M
8/24/2015 7:00 AM 0.00 0.0 M M M
8/25/2015 7:00 AM 0.00 0.0 M M M
8/26/2015 7:00 AM 0.00 0.0 M M M
8/27/2015 7:00 AM 0.00 0.0 M M M
8/28/2015 7:00 AM 0.00 0.0 M M M
8/29/2015 7:00 AM 0.39 M M M M
8/30/2015 7:00 AM 0.91 M M M M
9/13/2015 7:00 AM 0.00 0.0 M M M
9/14/2015 7:00 AM 0.00 0.0 M M M
9/15/2015 7:00 AM 0.00 0.0 M M M
9/16/2015 7:00 AM 0.00 0.0 M M M
9/17/2015 7:00 AM 0.00 0.0 M M M
9/18/2015 7:00 AM 0.49 M M M M rain with occasional thunder throughout the overnight hours.
9/19/2015 7:00 AM 1.56 M M M M active thunderstorm around 11:30 p.m. heavy rain and incessant lightning display, modest winds.
9/22/2015 7:00 AM 0.00 0.0 M M M
9/23/2015 7:00 AM 0.00 0.0 M M M
9/24/2015 7:00 AM 0.00 0.0 M M M
9/25/2015 7:00 AM 0.00 0.0 M M M
9/26/2015 7:00 AM 0.00 0.0 M M M
9/27/2015 7:00 AM 0.00 0.0 M M M
9/28/2015 7:00 AM 0.00 0.0 M M M
9/29/2015 7:00 AM 0.00 0.0 M M M
9/30/2015 7:00 AM 0.17 M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
10/4/2014 10/05/2014 7:00 AM 2 0.09 M M if any snow flurries fell at this location they were not observed.
11/4/2014 11/05/2014 8:00 AM 2 0.03 M M
11/7/2014 11/09/2014 8:00 AM 3 0.03 M M
3/28/2015 3/30/2015 8:00 AM 3 0.05 0.0 M
4/25/2015 4/26/2015 9:00 AM 2 0.95 0.0 M
8/9/2015 8/10/2015 6:50 AM 2 0.03 M M
8/31/2015 9/12/2015 2:00 PM 13 1.59 M M
9/20/2015 9/21/2015 6:45 AM 2 0.00 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
4/9/2015 6:15 PM 1/4" Pea Size 1/4" Pea Size Rice Mixed|Clear Ice|White Ice 1 1min no damage Continuous True Same time as rain Same time as smaller hail 10-20