Station Overview Station Location
Station Number IL-EF-29 Latitude 39.004736
Station Name Altamont 3.8 SSW Longitude -88.767909
County Effingham Elevation (ft) 621



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 18 3.44 1.70 18 0.79 7 0.91 11 2 4 0 0.0 0 0
Nov 18 3.99 2.92 26 1.70 8 1.22 18 4 5 1 1.5 1 0
Dec 18 3.07 0.53 3 0.50 1 0.03 2 1 1 0 0.0 0 0
Jan 19 2.52 2.99 15 2.93 7 0.06 8 2 7 0 4.3 2 2
Feb 19 2.39 2.98 28 2.36 7 0.62 21 5 4 1 0.0 0 0
March 19 3.18 4.77 30 4.68 21 0.09 9 2 8 1 1.5 1 1
April 19 3.82 4.39 28 3.37 22 1.02 6 1 8 0 0.0 0 0
May 19 4.81 5.03 24 5.03 24 0.00 0 0 14 0 0.0 0 0
June 19 4.11 5.95 16 5.89 10 0.06 6 2 10 0 0.0 0 0
July 19 3.91 2.69 31 2.20 18 0.49 13 1 4 0 0.0 0 0
Aug 19 2.93 4.82 24 4.82 24 0.00 0 0 9 2 0.0 0 0
Sept 19 3.00 0.86 13 0.86 13 0.00 0 0 3 0 0.0 0 0
Water Year Totals: 41.17" 39.63" 256 days 35.13" 162 4.50" 94 days 20 77 days 5 days 7.3" 4 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
10/1/2018
10/2/2018
10/3/2018
10/4/2018 0.19
10/5/2018 0.00
10/6/2018 0.00
10/7/2018 0.11
10/8/2018 0.00
10/9/2018
10/10/2018 0.01
10/11/2018 **
10/12/2018 **
10/13/2018 0.26
10/14/2018
10/15/2018
10/16/2018
10/17/2018
10/18/2018
10/19/2018
10/20/2018
10/21/2018
10/22/2018
10/23/2018 **
10/24/2018 **
10/25/2018 **
10/26/2018 **
10/27/2018 **
10/28/2018 **
10/29/2018 **
10/30/2018 0.65
10/31/2018 0.48
11/1/2018 0.80
11/2/2018 0.31
11/3/2018 **
11/4/2018 0.04
11/5/2018 **
11/6/2018 **
11/7/2018 **
11/8/2018 0.64
11/9/2018
11/10/2018 **
11/11/2018 **
11/12/2018 **
11/13/2018 **
11/14/2018 0.09
11/15/2018 0.14
11/16/2018
11/17/2018
11/18/2018 **
11/19/2018 **
11/20/2018 **
11/21/2018 **
11/22/2018 **
11/23/2018 **
11/24/2018 0.45
11/25/2018 0.00
11/26/2018 0.44
11/27/2018 T
11/28/2018
11/29/2018 0.00
11/30/2018 0.01
12/1/2018 0.50
12/2/2018 **
12/3/2018 0.03
12/4/2018
12/5/2018
12/6/2018
12/7/2018
12/8/2018
12/9/2018
12/10/2018
12/11/2018
12/12/2018
12/13/2018
12/14/2018
12/15/2018
12/16/2018
12/17/2018
12/18/2018
12/19/2018
12/20/2018
12/21/2018
12/22/2018
12/23/2018
12/24/2018
12/25/2018
12/26/2018
12/27/2018
12/28/2018
12/29/2018
12/30/2018
12/31/2018
Day of YearDaily PrcpMultiday Prcp
1/1/2019
1/2/2019
1/3/2019
1/4/2019
1/5/2019
1/6/2019
1/7/2019
1/8/2019
1/9/2019
1/10/2019
1/11/2019
1/12/2019 0.41
1/13/2019 0.29
1/14/2019
1/15/2019
1/16/2019
1/17/2019
1/18/2019
1/19/2019 0.45
1/20/2019 **
1/21/2019 **
1/22/2019 0.02
1/23/2019 1.69
1/24/2019 **
1/25/2019 **
1/26/2019 0.04
1/27/2019 0.02
1/28/2019 0.01
1/29/2019 0.06
1/30/2019 **
1/31/2019 **
2/1/2019 **
2/2/2019 **
2/3/2019 **
2/4/2019 **
2/5/2019 T
2/6/2019 0.41
2/7/2019 1.52
2/8/2019 **
2/9/2019 **
2/10/2019 0.14
2/11/2019 **
2/12/2019 0.39
2/13/2019 **
2/14/2019 **
2/15/2019 **
2/16/2019 **
2/17/2019 **
2/18/2019 **
2/19/2019 0.04
2/20/2019 0.34
2/21/2019 **
2/22/2019 0.05
2/23/2019 T
2/24/2019 0.09
2/25/2019 0.00
2/26/2019 0.00
2/27/2019 **
2/28/2019 **
3/1/2019 0.01
3/2/2019 0.00
3/3/2019 0.00
3/4/2019 T
3/5/2019 0.00
3/6/2019 0.00
3/7/2019 0.00
3/8/2019 0.00
3/9/2019 0.00
3/10/2019 0.93
3/11/2019 0.00
3/12/2019 0.00
3/13/2019 0.08
3/14/2019 1.26
3/15/2019 **
3/16/2019 **
3/17/2019 **
3/18/2019 **
3/19/2019 **
3/20/2019 **
3/21/2019 **
3/22/2019 0.08
3/23/2019 0.00
3/24/2019 0.09
3/25/2019
3/26/2019 0.45
3/27/2019 0.00
3/28/2019 0.00
3/29/2019 0.17
3/30/2019 0.56
3/31/2019 1.14
Day of YearDaily PrcpMultiday Prcp
4/1/2019 0.00
4/2/2019 0.00
4/3/2019 0.00
4/4/2019 0.00
4/5/2019 0.14
4/6/2019 0.00
4/7/2019 0.24
4/8/2019 0.46
4/9/2019 0.00
4/10/2019 0.00
4/11/2019 0.00
4/12/2019 0.83
4/13/2019 0.00
4/14/2019 0.51
4/15/2019 0.00
4/16/2019 0.00
4/17/2019 0.00
4/18/2019 0.75
4/19/2019 0.43
4/20/2019
4/21/2019
4/22/2019 0.00
4/23/2019 0.00
4/24/2019 **
4/25/2019 **
4/26/2019 **
4/27/2019 **
4/28/2019 **
4/29/2019 1.02
4/30/2019 0.01
5/1/2019 0.16
5/2/2019 0.08
5/3/2019 0.11
5/4/2019 0.51
5/5/2019 0.01
5/6/2019 0.00
5/7/2019 0.00
5/8/2019 0.00
5/9/2019 0.24
5/10/2019 0.02
5/11/2019 0.00
5/12/2019 0.00
5/13/2019 0.00
5/14/2019 0.00
5/15/2019 0.12
5/16/2019 0.00
5/17/2019 0.00
5/18/2019 0.00
5/19/2019 0.02
5/20/2019
5/21/2019 0.38
5/22/2019 1.60
5/23/2019 1.12
5/24/2019
5/25/2019
5/26/2019
5/27/2019
5/28/2019
5/29/2019 0.16
5/30/2019 0.50
5/31/2019
6/1/2019
6/2/2019
6/3/2019
6/4/2019
6/5/2019
6/6/2019
6/7/2019 **
6/8/2019 **
6/9/2019 **
6/10/2019 0.02
6/11/2019
6/12/2019
6/13/2019 0.13
6/14/2019
6/15/2019 0.33
6/16/2019 1.61
6/17/2019 0.61
6/18/2019 0.64
6/19/2019 0.04
6/20/2019
6/21/2019
6/22/2019 1.95
6/23/2019 0.02
6/24/2019 0.15
6/25/2019 **
6/26/2019 0.04
6/27/2019 0.41
6/28/2019
6/29/2019
6/30/2019
Day of YearDaily PrcpMultiday Prcp
7/1/2019 0.02
7/2/2019 0.00
7/3/2019 0.00
7/4/2019 **
7/5/2019 **
7/6/2019 **
7/7/2019 **
7/8/2019 **
7/9/2019 **
7/10/2019 **
7/11/2019 **
7/12/2019 **
7/13/2019 **
7/14/2019 **
7/15/2019 **
7/16/2019 0.49
7/17/2019 0.15
7/18/2019 0.00
7/19/2019 0.00
7/20/2019 0.00
7/21/2019 0.00
7/22/2019 1.03
7/23/2019 0.00
7/24/2019 0.00
7/25/2019 0.00
7/26/2019 0.00
7/27/2019 0.00
7/28/2019 0.00
7/29/2019 0.00
7/30/2019 1.00
7/31/2019 0.00
8/1/2019 0.00
8/2/2019 0.00
8/3/2019 0.00
8/4/2019 0.00
8/5/2019 0.00
8/6/2019 0.00
8/7/2019 0.93
8/8/2019 0.00
8/9/2019 0.00
8/10/2019 0.00
8/11/2019 0.00
8/12/2019 0.29
8/13/2019 1.18
8/14/2019
8/15/2019
8/16/2019
8/17/2019 T
8/18/2019 0.60
8/19/2019
8/20/2019 0.11
8/21/2019 0.54
8/22/2019 0.27
8/23/2019
8/24/2019 0.00
8/25/2019
8/26/2019
8/27/2019 0.82
8/28/2019 T
8/29/2019 0.00
8/30/2019 0.00
8/31/2019 0.08
9/1/2019 0.00
9/2/2019 0.00
9/3/2019 0.00
9/4/2019 0.00
9/5/2019 0.00
9/6/2019 0.00
9/7/2019 0.00
9/8/2019 0.00
9/9/2019 0.43
9/10/2019 0.00
9/11/2019 0.00
9/12/2019
9/13/2019
9/14/2019
9/15/2019
9/16/2019
9/17/2019
9/18/2019
9/19/2019
9/20/2019
9/21/2019
9/22/2019
9/23/2019 0.42
9/24/2019
9/25/2019
9/26/2019
9/27/2019 0.01
9/28/2019
9/29/2019
9/30/2019



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/4/2018 7:40 AM 0.19 M M M M
10/5/2018 8:00 AM 0.00 M M M M
10/6/2018 8:00 AM 0.00 M M M M
10/7/2018 8:00 AM 0.11 M M M M
10/8/2018 8:00 AM 0.00 M M M M
10/10/2018 7:42 AM 0.01 M M M M
10/31/2018 8:00 AM 0.48 M M M M
11/1/2018 10:15 AM 0.80 M M M M
11/2/2018 5:35 PM 0.31 M M M M
11/15/2018 6:45 AM 0.14 1.5 0.21 M M
11/25/2018 8:05 AM 0.00 M M M M
11/26/2018 8:00 AM 0.44 T M T M
11/27/2018 8:00 AM T T M T M Light flurries ongoing; little to no accumulation
11/29/2018 7:20 AM 0.00 M M 0.0 M
11/30/2018 8:00 AM 0.01 M M M M
12/1/2018 8:10 AM 0.50 M M M M Ground is saturated, so a lot of minor standing water in fields and large puddles in roadways
1/12/2019 8:35 AM 0.41 3.5 M 3.5 M
1/13/2019 12:30 PM 0.29 0.8 M 4.0 M Minor accumulations late yesterday morning melted before measuring. Otherwise we had rain/snow/sleet mix (around 33 degrees) yesterday afternoon through early in the night. By morning it changed back to some snow.
1/19/2019 9:15 AM 0.45 0.0 M 0.0 M Ground is extremely saturated. Only rain has fallen; 34.7 degrees F
1/23/2019 8:00 AM 1.69 M M 0.0 M Ground is excessively saturated. Water standing everywhere; ditches are full and overflowing.
1/27/2019 3:20 PM 0.02 M M T M
1/28/2019 8:06 AM 0.01 M M M M Snow melted; patchy ice remains
1/29/2019 2:05 PM 0.06 M M 0.0 M Snow showers last evening; no accumulation that lasted; currently light flurries not accumulating either
2/6/2019 8:41 AM 0.41 M M M M
2/7/2019 8:40 AM 1.52 M M M M Everything is extremely saturated. Difficult to walk even on grassy areas, and low-lying areas are full of water.
2/20/2019 7:48 AM 0.34 M M M M Ice is melting at 33 degrees, but it looks like there had been quite a bit of buildup before the thaw. Chunks of ice laying bemeath trees; ice on fallen branches is around .15 thick on the conservative side, and again that is afternsome thawing has occurred.
2/23/2019 8:00 AM T M M M M
2/24/2019 8:20 AM 0.09 M M M M
2/25/2019 8:00 AM 0.00 M M M M
2/26/2019 8:00 AM 0.00 M M M M
3/2/2019 8:00 AM 0.00 M M M M
3/3/2019 6:30 AM 0.00 M M M M
3/4/2019 6:30 AM T 1.5 M 1.5 M Lots of blowing and drifting; took a lot of measurements and 1.5” is my best guess. Rain gauge only had trace and snowboard was blown clean due to strong winds. Meaaured around 5:30pm Sunday
3/5/2019 8:00 AM 0.00 M M M M
3/6/2019 8:00 AM 0.00 M M M M
3/7/2019 8:00 AM 0.00 M M T M
3/8/2019 8:00 AM 0.00 M M T M Coverage only where deep drifting occurred last week
3/9/2019 6:30 AM 0.00 M M T M Very little snow left; only a few patches where it had drifted 4” or more or so last week remain
3/10/2019 8:00 AM 0.93 M M 0.0 M
3/11/2019 8:00 AM 0.00 M M M M
3/12/2019 8:00 AM 0.00 M M M M
3/13/2019 8:15 AM 0.08 M M M M
3/14/2019 8:15 AM 1.26 M M M M
3/23/2019 8:00 AM 0.00 M M M M
3/24/2019 11:30 AM 0.09 M M M M
3/26/2019 2:00 PM 0.45 M M M M
3/27/2019 8:00 AM 0.00 M M M M
3/28/2019 7:50 AM 0.00 M M M M
3/29/2019 11:30 AM 0.17 M M M M
3/30/2019 8:15 AM 0.56 M M M M
3/31/2019 7:30 AM 1.14 M M M M
4/1/2019 8:00 AM 0.00 M M M M
4/2/2019 8:00 AM 0.00 M M M M
4/3/2019 8:00 AM 0.00 M M M M
4/4/2019 8:00 AM 0.00 M M M M
4/5/2019 8:15 AM 0.14 M M M M
4/6/2019 8:00 AM 0.00 M M M M
4/7/2019 8:30 AM 0.24 M M M M
4/8/2019 8:20 AM 0.46 M M M M
4/9/2019 8:00 AM 0.00 M M M M
4/10/2019 8:00 AM 0.00 M M M M
4/11/2019 8:00 AM 0.00 M M M M
4/12/2019 8:00 AM 0.83 M M M M
4/13/2019 8:00 AM 0.00 M M M M
4/14/2019 8:30 AM 0.51 M M M M
4/15/2019 8:00 AM 0.00 M M M M
4/16/2019 8:00 AM 0.00 M M M M
4/17/2019 8:00 AM 0.00 M M M M
4/18/2019 7:55 AM 0.75 M M M M
4/19/2019 8:40 AM 0.43 M M M M
4/22/2019 8:00 AM 0.00 M M M M
4/23/2019 7:30 AM 0.00 M M M M
4/30/2019 8:00 AM 0.01 M M M M
5/1/2019 9:23 AM 0.16 M M M M
5/2/2019 8:50 AM 0.08 M M M M
5/3/2019 8:00 AM 0.11 M M M M
5/4/2019 9:00 AM 0.51 M M M M
5/5/2019 8:00 AM 0.01 M M M M
5/6/2019 8:00 AM 0.00 M M M M
5/7/2019 8:00 AM 0.00 M M M M
5/8/2019 8:00 AM 0.00 M M M M
5/9/2019 8:00 AM 0.24 M M M M
5/10/2019 8:00 AM 0.02 M M M M
5/11/2019 8:00 AM 0.00 M M M M
5/12/2019 8:00 AM 0.00 M M M M
5/13/2019 8:00 AM 0.00 M M M M
5/14/2019 8:00 AM 0.00 M M M M
5/15/2019 8:00 AM 0.12 M M M M
5/16/2019 8:00 AM 0.00 M M M M
5/17/2019 8:00 AM 0.00 M M M M
5/18/2019 8:00 AM 0.00 M M M M
5/19/2019 7:00 AM 0.02 M M M M
5/21/2019 8:00 AM 0.38 M M M M
5/22/2019 8:00 AM 1.60 M M M M
5/23/2019 8:00 AM 1.12 M M M M
5/29/2019 8:00 AM 0.16 M M M M
5/30/2019 8:00 AM 0.50 M M M M
6/13/2019 8:00 AM 0.13 M M M M
6/15/2019 9:00 AM 0.33 M M M M
6/16/2019 8:00 AM 1.61 M M M M 1.03 fell by noon yesterday; remaining .58 fell overnight
6/17/2019 8:00 AM 0.61 M M M M
6/18/2019 8:00 AM 0.64 M M M M
6/19/2019 8:50 AM 0.04 M M M M
6/22/2019 8:00 AM 1.95 M M M M .70 fell in the daytime yesterday; remainder was overnight
6/23/2019 8:00 AM 0.02 M M M M
6/24/2019 8:34 AM 0.15 M M M M
6/27/2019 8:00 AM 0.41 M M M M
7/1/2019 8:00 AM 0.02 M M M M 0.01 fell with round 1 around 6:30-7pm last night, and 0.01 fell overnight
7/2/2019 8:00 AM 0.00 0.0 M M M
7/3/2019 8:00 AM 0.00 0.0 M M M
7/17/2019 8:00 AM 0.15 M M M M
7/18/2019 8:00 AM 0.00 M M M M
7/19/2019 8:00 AM 0.00 M M M M
7/20/2019 8:00 AM 0.00 M M M M
7/21/2019 8:00 AM 0.00 M M M M
7/22/2019 9:10 AM 1.03 M M M M Actively raining when measurements were taken
7/23/2019 8:00 AM 0.00 M M M M
7/24/2019 8:00 AM 0.00 M M M M
7/25/2019 8:00 AM 0.00 M M M M
7/26/2019 8:00 AM 0.00 M M M M
7/27/2019 8:00 AM 0.00 M M M M
7/28/2019 8:00 AM 0.00 M M M M
7/29/2019 8:00 AM 0.00 M M M M
7/30/2019 8:00 AM 1.00 M M M M
7/31/2019 8:00 AM 0.00 M M M M
8/1/2019 8:00 AM 0.00 M M M M
8/2/2019 8:00 AM 0.00 M M M M
8/3/2019 8:00 AM 0.00 M M M M
8/4/2019 8:00 AM 0.00 M M M M
8/5/2019 8:00 AM 0.00 M M M M
8/6/2019 8:00 AM 0.00 M M M M
8/7/2019 8:00 AM 0.93 M M M M
8/8/2019 6:49 AM 0.00 M M M M
8/9/2019 6:49 AM 0.00 M M M M
8/10/2019 6:49 AM 0.00 M M M M
8/11/2019 6:49 AM 0.00 M M M M
8/12/2019 6:49 AM 0.29 M M M M
8/13/2019 8:00 AM 1.18 M M M M .53 fell Monday morning after my last measurement; the remainder fell late overnight beginning roughly 1am or so
8/17/2019 8:00 AM T M M M M A lot of condensation; unsure if trace was from that or from a very brief shower
8/18/2019 8:00 AM 0.60 M M M M All rain fell yesterday morning; no precip from the evening storms
8/20/2019 8:00 AM 0.11 M M M M
8/21/2019 8:00 AM 0.54 M M M M
8/22/2019 8:00 AM 0.27 M M M M
8/24/2019 8:00 AM 0.00 M M M M
8/27/2019 8:00 AM 0.82 M M M M
8/28/2019 8:00 AM T M M M M
8/29/2019 8:00 AM 0.00 M M M M
8/30/2019 8:00 AM 0.00 M M M M
8/31/2019 8:00 AM 0.08 M M M M
9/1/2019 7:20 AM 0.00 M M M M It’s possible the trace is from the fog, but I am not sure
9/2/2019 8:00 AM 0.00 M M M M
9/3/2019 8:00 AM 0.00 0.0 M M M
9/4/2019 8:00 AM 0.00 0.0 M M M
9/5/2019 8:00 AM 0.00 0.0 M M M
9/6/2019 8:00 AM 0.00 0.0 M M M
9/7/2019 8:00 AM 0.00 0.0 M M M
9/8/2019 8:00 AM 0.00 M M M M
9/9/2019 8:00 AM 0.43 M M M M
9/10/2019 8:00 AM 0.00 M M M M
9/11/2019 8:00 AM 0.00 M M M M
9/23/2019 8:00 AM 0.42 M M M M
9/27/2019 9:00 AM 0.01 M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
10/11/2018 10/13/2018 4:30 PM 3 0.26 M M
10/23/2018 10/30/2018 5:30 PM 8 0.65 M M
11/3/2018 11/04/2018 10:20 AM 2 0.04 M M
11/5/2018 11/08/2018 8:00 AM 4 0.64 M M
11/10/2018 11/14/2018 4:00 PM 5 0.09 M M
11/18/2018 11/24/2018 10:30 AM 7 0.45 M M
12/2/2018 12/03/2018 7:30 AM 2 0.03 M M
1/20/2019 1/22/2019 8:00 AM 3 0.02 0.1 M Patchy snow cover. Sunday’s snowfall was difficult to measure; snow board was blown clean by the wind but estimate 1/4-1/2” total that day. Patches of 1/4” or so remain this morning but other areas are grassy.
1/24/2019 1/26/2019 8:00 AM 3 0.04 0.0 M
1/30/2019 2/05/2019 8:00 AM 7 T 0.0 M
2/8/2019 2/10/2019 8:10 AM 3 0.14 M M
2/11/2019 2/12/2019 7:52 AM 2 0.39 M M
2/13/2019 2/19/2019 8:00 AM 7 0.04 M M
2/21/2019 2/22/2019 11:00 PM 2 0.05 M M
2/27/2019 3/01/2019 8:00 AM 3 0.01 M M
3/15/2019 3/22/2019 8:11 AM 8 0.08 M M
4/24/2019 4/29/2019 5:30 PM 6 1.02 M M
6/7/2019 6/10/2019 5:00 PM 4 0.02 M M
6/25/2019 6/26/2019 8:00 AM 2 0.04 M M
7/4/2019 7/16/2019 8:00 AM 13 0.49 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