Station Overview Station Location
Station Number IL-MC-1 Latitude 37.25511
Station Name Belknap 11.1 ESE Longitude -88.756696
County Massac Elevation (ft) 371



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 17 3.92 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Nov 17 4.33 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Dec 17 4.64 2.70 3 0.01 1 2.69 2 1 1 0 0.0 0 0
Jan 18 3.49 3.56 5 3.56 5 0.00 0 0 5 0 9.8 2 3
Feb 18 3.63 0.59 6 0.59 6 0.00 0 0 6 0 0.0 0 0
March 18 4.28 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 18 4.53 2.72 8 2.72 8 0.00 0 0 4 0 0.0 0 0
May 18 5.21 5.07 26 5.07 26 0.00 0 0 14 0 0.0 0 0
June 18 3.94 10.40 30 10.40 30 0.00 0 0 12 0 0.0 0 0
July 18 4.20 2.04 31 2.04 31 0.00 0 0 8 0 0.0 0 0
Aug 18 2.85 3.09 30 3.09 30 0.00 0 0 12 0 0.0 0 0
Sept 18 3.37 7.62 30 7.62 30 0.00 0 0 12 0 0.0 0 0
Water Year Totals: 48.39" 37.79" 169 days 35.10" 167 2.69" 2 days 1 74 days 0 days 9.8" 2 days 3 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
10/1/2017
10/2/2017
10/3/2017
10/4/2017
10/5/2017
10/6/2017
10/7/2017
10/8/2017
10/9/2017
10/10/2017
10/11/2017
10/12/2017
10/13/2017
10/14/2017
10/15/2017
10/16/2017
10/17/2017
10/18/2017
10/19/2017
10/20/2017
10/21/2017
10/22/2017
10/23/2017
10/24/2017
10/25/2017
10/26/2017
10/27/2017
10/28/2017
10/29/2017
10/30/2017
10/31/2017
11/1/2017
11/2/2017
11/3/2017
11/4/2017
11/5/2017
11/6/2017
11/7/2017
11/8/2017
11/9/2017
11/10/2017
11/11/2017
11/12/2017
11/13/2017
11/14/2017
11/15/2017
11/16/2017
11/17/2017
11/18/2017
11/19/2017
11/20/2017
11/21/2017
11/22/2017
11/23/2017
11/24/2017
11/25/2017
11/26/2017
11/27/2017
11/28/2017
11/29/2017
11/30/2017
12/1/2017
12/2/2017
12/3/2017
12/4/2017
12/5/2017
12/6/2017
12/7/2017
12/8/2017
12/9/2017
12/10/2017
12/11/2017
12/12/2017
12/13/2017
12/14/2017
12/15/2017
12/16/2017
12/17/2017
12/18/2017
12/19/2017
12/20/2017
12/21/2017
12/22/2017 **
12/23/2017 2.69
12/24/2017
12/25/2017 0.01
12/26/2017
12/27/2017
12/28/2017
12/29/2017
12/30/2017
12/31/2017
Day of YearDaily PrcpMultiday Prcp
1/1/2018
1/2/2018
1/3/2018
1/4/2018
1/5/2018
1/6/2018
1/7/2018
1/8/2018 0.58
1/9/2018
1/10/2018
1/11/2018
1/12/2018 0.91
1/13/2018 0.75
1/14/2018
1/15/2018
1/16/2018 M
1/17/2018
1/18/2018
1/19/2018
1/20/2018
1/21/2018
1/22/2018 0.50
1/23/2018
1/24/2018
1/25/2018
1/26/2018
1/27/2018
1/28/2018 0.82
1/29/2018
1/30/2018
1/31/2018
2/1/2018
2/2/2018 0.10
2/3/2018
2/4/2018 0.06
2/5/2018 0.02
2/6/2018
2/7/2018 0.24
2/8/2018
2/9/2018
2/10/2018
2/11/2018 0.06
2/12/2018
2/13/2018
2/14/2018 0.11
2/15/2018
2/16/2018
2/17/2018
2/18/2018
2/19/2018
2/20/2018
2/21/2018
2/22/2018
2/23/2018
2/24/2018
2/25/2018
2/26/2018
2/27/2018
2/28/2018
3/1/2018
3/2/2018
3/3/2018
3/4/2018
3/5/2018
3/6/2018
3/7/2018
3/8/2018
3/9/2018
3/10/2018
3/11/2018
3/12/2018
3/13/2018
3/14/2018
3/15/2018
3/16/2018
3/17/2018
3/18/2018
3/19/2018
3/20/2018
3/21/2018
3/22/2018
3/23/2018
3/24/2018
3/25/2018
3/26/2018
3/27/2018
3/28/2018
3/29/2018
3/30/2018
3/31/2018
Day of YearDaily PrcpMultiday Prcp
4/1/2018
4/2/2018
4/3/2018
4/4/2018
4/5/2018
4/6/2018
4/7/2018
4/8/2018
4/9/2018
4/10/2018
4/11/2018
4/12/2018
4/13/2018
4/14/2018
4/15/2018
4/16/2018
4/17/2018
4/18/2018
4/19/2018
4/20/2018
4/21/2018
4/22/2018
4/23/2018 2.24
4/24/2018 0.43
4/25/2018 0.01
4/26/2018 0.04
4/27/2018 0.00
4/28/2018 0.00
4/29/2018 0.00
4/30/2018 0.00
5/1/2018 0.00
5/2/2018 0.00
5/3/2018 0.46
5/4/2018 0.22
5/5/2018 0.04
5/6/2018 0.03
5/7/2018 0.02
5/8/2018 0.00
5/9/2018 0.00
5/10/2018 0.00
5/11/2018 0.00
5/12/2018 0.00
5/13/2018 0.00
5/14/2018 0.00
5/15/2018 0.01
5/16/2018
5/17/2018 0.09
5/18/2018 0.31
5/19/2018 1.78
5/20/2018 0.07
5/21/2018 0.59
5/22/2018
5/23/2018
5/24/2018
5/25/2018 0.00
5/26/2018 0.16
5/27/2018 0.00
5/28/2018 0.00
5/29/2018 0.07
5/30/2018 1.22
5/31/2018
6/1/2018 0.06
6/2/2018 0.00
6/3/2018 0.02
6/4/2018 0.00
6/5/2018 0.00
6/6/2018 0.00
6/7/2018 0.00
6/8/2018 0.00
6/9/2018 0.00
6/10/2018 0.92
6/11/2018 0.00
6/12/2018 0.00
6/13/2018 0.50
6/14/2018 0.00
6/15/2018 0.00
6/16/2018 1.03
6/17/2018 0.00
6/18/2018 0.00
6/19/2018 0.00
6/20/2018 0.00
6/21/2018 0.27
6/22/2018 0.79
6/23/2018 0.00
6/24/2018 0.51
6/25/2018 3.98
6/26/2018 0.00
6/27/2018 1.07
6/28/2018 0.01
6/29/2018 1.24
6/30/2018 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2018 0.00
7/2/2018 0.00
7/3/2018 0.02
7/4/2018 0.00
7/5/2018 0.00
7/6/2018 0.04
7/7/2018 0.00
7/8/2018 0.00
7/9/2018 0.00
7/10/2018 0.00
7/11/2018 0.00
7/12/2018 0.00
7/13/2018 0.00
7/14/2018 0.00
7/15/2018 0.41
7/16/2018 0.27
7/17/2018 0.56
7/18/2018 0.00
7/19/2018 0.00
7/20/2018 0.00
7/21/2018 0.00
7/22/2018 0.00
7/23/2018 0.00
7/24/2018 0.00
7/25/2018 0.00
7/26/2018 0.00
7/27/2018 0.58
7/28/2018 0.00
7/29/2018 0.00
7/30/2018 0.04
7/31/2018 0.12
8/1/2018 0.39
8/2/2018 0.00
8/3/2018 0.00
8/4/2018 0.00
8/5/2018 0.00
8/6/2018 0.49
8/7/2018 0.00
8/8/2018 0.09
8/9/2018 0.03
8/10/2018 0.36
8/11/2018 0.00
8/12/2018 0.00
8/13/2018 0.00
8/14/2018
8/15/2018 0.63
8/16/2018 0.34
8/17/2018 0.07
8/18/2018 0.07
8/19/2018 0.00
8/20/2018 0.00
8/21/2018 0.11
8/22/2018 0.00
8/23/2018 0.00
8/24/2018 0.00
8/25/2018 0.23
8/26/2018 0.00
8/27/2018 0.00
8/28/2018 0.00
8/29/2018 0.00
8/30/2018 0.28
8/31/2018 0.00
9/1/2018 0.00
9/2/2018 0.00
9/3/2018 0.00
9/4/2018 0.00
9/5/2018 0.00
9/6/2018 0.00
9/7/2018 0.66
9/8/2018 2.23
9/9/2018 0.84
9/10/2018 0.00
9/11/2018 0.00
9/12/2018 0.00
9/13/2018 0.00
9/14/2018 0.00
9/15/2018 0.00
9/16/2018 0.00
9/17/2018 0.00
9/18/2018 0.00
9/19/2018 0.00
9/20/2018 0.02
9/21/2018 0.01
9/22/2018 0.46
9/23/2018 1.12
9/24/2018 0.08
9/25/2018 0.32
9/26/2018 1.42
9/27/2018 0.08
9/28/2018 0.38
9/29/2018 0.00
9/30/2018 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
12/25/2017 9:00 AM 0.01 T 0.01 M M Trace of snow and sleet.
1/8/2018 9:00 AM 0.58 M M M M All rain.
1/12/2018 9:00 AM 0.91 M M 0.5 M 0.91 melted. Everything froze around 1 AM. Additional sleet and freezing rain fell after that time. Sleet continued until 8 AM. Sleet and snow developed shortly after 8 AM. Mostly snow as of 9 AM
1/13/2018 9:00 AM 0.75 3.0 0.50 2.8 M 1/2" of sleet. Three inches of snow on the ground.
1/16/2018 9:00 AM M 6.8 M 9.0 M Snow began at 6:30 in the morning. On and off heavy snow fell into the evening hours. Blowing and drifting snow occurred during the evening and overnight hours.
1/22/2018 9:00 AM 0.50 M M M M Thunderstorms between 5 am and 8 am.
1/28/2018 9:00 AM 0.82 M M M M
2/2/2018 9:00 AM 0.10 M M M M Rain. Rain changed to sleet and snow, but no accumulation.
2/4/2018 9:00 AM 0.06 M M M M Rain Saturday night and Sunday morning.
2/5/2018 9:00 AM 0.02 M 0.02 M M Snow. Snow squall with gusty winds between 4 PM and 7 PM. Light dusting of snow.
2/7/2018 9:00 AM 0.24 M M M M 0.15" of freezing rain on objects.
2/11/2018 9:00 AM 0.06 M M M M A thin glaze of ice. Freezing rain.
2/14/2018 9:00 AM 0.11 M M M M
4/23/2018 8:35 AM 2.24 M M M M 1.35 12 AM Sunday to 11:59 PM Sunday. 0.89" 12 AM Monday to 8:30 AM Monday.
4/24/2018 9:00 AM 0.43 M M M M
4/25/2018 9:00 AM 0.01 M M M M
4/26/2018 9:00 AM 0.04 M M M M
4/27/2018 9:00 AM 0.00 0.0 M M M
4/28/2018 9:00 AM 0.00 0.0 M M M
4/29/2018 9:00 AM 0.00 0.0 M M M
4/30/2018 9:00 AM 0.00 0.0 M M M
5/1/2018 9:00 AM 0.00 0.0 M M M
5/2/2018 9:00 AM 0.00 0.0 M M M
5/3/2018 9:00 AM 0.46 M M M M
5/4/2018 9:00 AM 0.22 M M M M
5/5/2018 9:00 AM 0.04 M M M M
5/6/2018 9:00 AM 0.03 M M M M
5/7/2018 9:00 AM 0.02 M M M M
5/8/2018 9:00 AM 0.00 0.0 M M M
5/9/2018 8:00 AM 0.00 0.0 M M M
5/10/2018 9:00 AM 0.00 0.0 M M M
5/11/2018 9:00 AM 0.00 0.0 M M M
5/12/2018 9:00 AM 0.00 0.0 M M M
5/13/2018 9:00 AM 0.00 0.0 M M M
5/14/2018 9:00 AM 0.00 0.0 M M M
5/15/2018 9:00 AM 0.01 M M M M
5/17/2018 9:00 AM 0.09 M M M M
5/18/2018 8:00 AM 0.31 M M M M
5/19/2018 9:00 AM 1.78 M M M M
5/20/2018 9:00 AM 0.07 M M M M
5/21/2018 9:00 AM 0.59 M M M M
5/25/2018 9:00 AM 0.00 0.0 M M M
5/26/2018 9:00 AM 0.16 M M M M
5/27/2018 9:00 AM 0.00 0.0 M M M
5/28/2018 9:00 AM 0.00 0.0 M M M
5/29/2018 9:00 AM 0.07 M M M M
5/30/2018 9:00 AM 1.22 M M M M
6/1/2018 9:00 AM 0.06 M M M M
6/2/2018 9:00 AM 0.00 M M M M
6/3/2018 9:00 AM 0.02 M M M M
6/4/2018 9:00 AM 0.00 M M M M
6/5/2018 9:00 AM 0.00 0.0 M M M
6/6/2018 9:00 AM 0.00 0.0 M M M
6/7/2018 9:00 AM 0.00 0.0 M M M
6/8/2018 9:00 AM 0.00 0.0 M M M
6/9/2018 9:00 AM 0.00 M M M M
6/10/2018 9:00 AM 0.92 M M M M
6/11/2018 9:00 AM 0.00 0.0 M M M
6/12/2018 9:00 AM 0.00 0.0 M M M
6/13/2018 9:00 AM 0.50 M M M M
6/14/2018 9:00 AM 0.00 0.0 M M M
6/15/2018 9:00 AM 0.00 0.0 M M M
6/16/2018 6:00 AM 1.03 M M M M Rain fell in a 45 minutes period. 0.71" fell in 15 minutes. 42 MPH wind gust with a thunderstorm.
6/17/2018 9:00 AM 0.00 0.0 M M M
6/18/2018 1:00 AM 0.00 0.0 M M M
6/19/2018 9:00 AM 0.00 0.0 M M M
6/20/2018 9:00 AM 0.00 0.0 M M M
6/21/2018 9:00 AM 0.27 M M M M
6/22/2018 9:00 AM 0.79 M M M M
6/23/2018 8:42 AM 0.00 M M M M
6/24/2018 9:00 AM 0.51 M M M M
6/25/2018 9:00 AM 3.98 M M M M
6/26/2018 9:00 AM 0.00 0.0 M M M
6/27/2018 8:00 AM 1.07 M M M M
6/28/2018 9:00 AM 0.01 0.0 M M M
6/29/2018 9:00 AM 1.24 M M M M
6/30/2018 9:00 AM 0.00 M M M M
7/1/2018 9:00 AM 0.00 M M M M
7/2/2018 9:00 AM 0.00 M M M M
7/3/2018 9:00 AM 0.02 M M M M
7/4/2018 12:00 AM 0.00 0.0 M M M
7/5/2018 9:00 AM 0.00 M M M M
7/6/2018 9:00 AM 0.04 M M M M
7/7/2018 9:12 AM 0.00 M M M M
7/8/2018 9:00 AM 0.00 M M M M
7/9/2018 9:00 AM 0.00 0.0 M M M
7/10/2018 9:00 AM 0.00 0.0 M M M
7/11/2018 9:00 AM 0.00 0.0 M M M
7/12/2018 9:00 AM 0.00 0.0 M M M
7/13/2018 9:00 AM 0.00 M M M M
7/14/2018 9:00 AM 0.00 M M M M
7/15/2018 9:06 AM 0.41 M M M M
7/16/2018 8:15 AM 0.27 M M M M
7/17/2018 6:59 AM 0.56 M M M M
7/18/2018 9:00 AM 0.00 0.0 M M M
7/19/2018 9:00 AM 0.00 0.0 M M M
7/20/2018 9:00 AM 0.00 0.0 M M M
7/21/2018 12:00 AM 0.00 0.0 M M M
7/22/2018 9:00 AM 0.00 M M M M
7/23/2018 9:00 AM 0.00 M M M M
7/24/2018 9:00 AM 0.00 0.0 M M M
7/25/2018 9:00 AM 0.00 M M M M
7/26/2018 9:00 AM 0.00 M M M M
7/27/2018 9:00 AM 0.58 M M M M
7/28/2018 9:00 AM 0.00 0.0 M M M
7/29/2018 9:00 AM 0.00 0.0 M M M
7/30/2018 9:00 AM 0.04 M M M M
7/31/2018 9:00 AM 0.12 M M M M
8/1/2018 8:00 AM 0.39 M M M M
8/2/2018 8:00 AM 0.00 0.0 M M M
8/3/2018 9:00 AM 0.00 M M M M
8/4/2018 9:00 AM 0.00 M M M M
8/5/2018 9:00 AM 0.00 0.0 M M M
8/6/2018 8:40 AM 0.49 M M M M
8/7/2018 9:00 AM 0.00 0.0 M M M
8/8/2018 7:00 AM 0.09 M M M M Corrected total
8/9/2018 9:00 AM 0.03 M M M M
8/10/2018 8:00 AM 0.36 M M M M
8/11/2018 9:00 AM 0.00 0.0 M M M
8/12/2018 9:00 AM 0.00 0.0 M M M
8/13/2018 9:00 AM 0.00 0.0 M M M
8/15/2018 9:00 AM 0.63 M M M M
8/16/2018 9:00 AM 0.34 M M M M
8/17/2018 9:00 AM 0.07 M M M M
8/18/2018 9:00 AM 0.07 M M M M
8/19/2018 9:00 AM 0.00 0.0 M M M
8/20/2018 9:00 AM 0.00 0.0 M M M
8/21/2018 7:42 AM 0.11 M M M M
8/22/2018 9:00 AM 0.00 0.0 M M M
8/23/2018 9:00 AM 0.00 0.0 M M M
8/24/2018 9:00 AM 0.00 0.0 M M M
8/25/2018 9:00 AM 0.23 M M M M
8/26/2018 9:00 AM 0.00 0.0 M M M
8/27/2018 9:00 AM 0.00 M M M M
8/28/2018 9:00 AM 0.00 M M M M
8/29/2018 9:00 AM 0.00 0.0 M M M
8/30/2018 9:00 AM 0.28 M M M M
8/31/2018 9:00 AM 0.00 0.0 M M M
9/1/2018 9:00 AM 0.00 0.0 M M M
9/2/2018 9:00 AM 0.00 M M M M
9/3/2018 7:00 AM 0.00 M M M M
9/4/2018 9:00 AM 0.00 M M M M
9/5/2018 9:00 AM 0.00 0.0 M M M
9/6/2018 9:00 AM 0.00 0.0 M M M
9/7/2018 9:01 AM 0.66 M M M M
9/8/2018 9:00 AM 2.23 M M M M
9/9/2018 9:00 AM 0.84 M M M M
9/10/2018 12:53 AM 0.00 M M M M
9/11/2018 9:00 AM 0.00 M M M M
9/12/2018 9:00 AM 0.00 M M M M
9/13/2018 9:00 AM 0.00 M M M M
9/14/2018 9:00 AM 0.00 M M M M
9/15/2018 12:04 AM 0.00 M M M M
9/16/2018 9:00 AM 0.00 0.0 M M M
9/17/2018 9:00 AM 0.00 0.0 M M M
9/18/2018 9:00 AM 0.00 M M M M
9/19/2018 9:00 AM 0.00 M M M M
9/20/2018 9:00 AM 0.02 M M M M
9/21/2018 9:00 AM 0.01 M M M M
9/22/2018 9:00 AM 0.46 M M M M
9/23/2018 7:30 AM 1.12 M M M M
9/24/2018 9:00 AM 0.08 M M M M
9/25/2018 9:00 AM 0.32 M M M M
9/26/2018 7:35 AM 1.42 M M M M
9/27/2018 6:58 AM 0.08 M M M M
9/28/2018 9:01 AM 0.38 M M M M
9/29/2018 9:00 AM 0.00 M M M M
9/30/2018 12:32 AM 0.00 M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
12/22/2017 12/23/2017 9:00 AM 2 2.69 M M Rain fell from Friday afternoon into Saturday morning. Most of the rain had stopped by 8 am. The 2.69 fell in less than 24 hours. 2.11 fell on Friday. 0.58" fell after midnight on Saturday.



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