Station Overview Station Location
Station Number IL-LS-15 Latitude 41.338997
Station Name Peru 0.3 SW Longitude -89.134198
County La Salle Elevation (ft) 630



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 09 2.68 3.60 19 3.60 19 0.00 0 0 12 2 0.0 0 0
Nov 09 2.87 1.42 29 1.42 29 0.00 0 0 7 5 0.0 0 0
Dec 09 2.03 4.21 31 3.80 27 0.41 4 1 11 6 10.6 8 7
Jan 10 1.42 1.18 19 0.96 16 0.22 3 1 4 6 1.3 2 5
Feb 10 1.44 0.03 7 0.03 7 0.00 0 0 2 1 0.5 2 0
March 10 2.52 0.43 3 0.43 3 0.00 0 0 1 0 0.0 0 0
April 10 3.17 1.72 23 0.39 16 1.33 7 2 4 1 0.0 0 0
May 10 4.05 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
June 10 3.61 8.64 27 8.31 24 0.33 3 1 16 0 0.0 0 0
July 10 3.97 2.98 26 2.98 26 0.00 0 0 8 3 0.0 0 0
Aug 10 3.70 1.29 19 1.29 19 0.00 0 0 6 1 0.0 0 0
Sept 10 3.08 2.73 23 2.73 23 0.00 0 0 10 2 0.0 0 0
Water Year Totals: 34.54" 28.23" 226 days 25.94" 209 2.29" 17 days 5 81 days 27 days 12.4" 12 days 12 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
10/1/2009
10/2/2009
10/3/2009
10/4/2009
10/5/2009
10/6/2009
10/7/2009
10/8/2009
10/9/2009
10/10/2009
10/11/2009
10/12/2009
10/13/2009 T
10/14/2009 0.13
10/15/2009 0.24
10/16/2009 0.08
10/17/2009 T
10/18/2009 0.00
10/19/2009 0.00
10/20/2009 0.00
10/21/2009 0.05
10/22/2009 0.04
10/23/2009 1.09
10/24/2009 0.06
10/25/2009 0.00
10/26/2009 0.40
10/27/2009 0.09
10/28/2009 0.06
10/29/2009 0.00
10/30/2009 1.08
10/31/2009 0.28
11/1/2009 0.00
11/2/2009 T
11/3/2009 0.00
11/4/2009 0.00
11/5/2009 0.00
11/6/2009 0.00
11/7/2009 0.00
11/8/2009 0.00
11/9/2009 0.00
11/10/2009 0.00
11/11/2009 T
11/12/2009 0.00
11/13/2009 0.00
11/14/2009 0.00
11/15/2009
11/16/2009 0.17
11/17/2009 T
11/18/2009 0.22
11/19/2009 0.08
11/20/2009 0.01
11/21/2009 0.00
11/22/2009 0.00
11/23/2009 0.00
11/24/2009 T
11/25/2009 0.63
11/26/2009 0.30
11/27/2009 0.01
11/28/2009 0.00
11/29/2009 0.00
11/30/2009 T
12/1/2009
12/2/2009 0.00
12/3/2009 0.00
12/4/2009 T
12/5/2009 T
12/6/2009 0.00
12/7/2009 0.04
12/8/2009 0.09
12/9/2009 0.69
12/10/2009 0.07
12/11/2009 0.00
12/12/2009 0.00
12/13/2009 0.02
12/14/2009 T
12/15/2009 0.00
12/16/2009 0.00
12/17/2009 0.00
12/18/2009 T
12/19/2009 0.05
12/20/2009 T
12/21/2009 0.03
12/22/2009 0.30
12/23/2009 T
12/24/2009 0.70
12/25/2009 1.71 **
12/26/2009 **
12/27/2009 **
12/28/2009 0.41
12/29/2009 0.00
12/30/2009 0.00
12/31/2009 0.10
Day of YearDaily PrcpMultiday Prcp
1/1/2010 0.00
1/2/2010 T
1/3/2010
1/4/2010 0.00
1/5/2010
1/6/2010 0.00 **
1/7/2010 **
1/8/2010 0.22
1/9/2010 T
1/10/2010
1/11/2010 0.00
1/12/2010
1/13/2010
1/14/2010
1/15/2010
1/16/2010 T
1/17/2010 0.00
1/18/2010
1/19/2010 T
1/20/2010 0.00
1/21/2010 0.30
1/22/2010 T
1/23/2010
1/24/2010 0.56
1/25/2010
1/26/2010 0.09
1/27/2010 T
1/28/2010 0.01
1/29/2010
1/30/2010
1/31/2010
2/1/2010 0.00
2/2/2010 0.01
2/3/2010 0.00
2/4/2010 0.00
2/5/2010 0.00
2/6/2010
2/7/2010
2/8/2010 0.02
2/9/2010
2/10/2010
2/11/2010
2/12/2010
2/13/2010
2/14/2010
2/15/2010
2/16/2010 T
2/17/2010
2/18/2010
2/19/2010
2/20/2010
2/21/2010
2/22/2010
2/23/2010
2/24/2010
2/25/2010
2/26/2010
2/27/2010
2/28/2010
3/1/2010
3/2/2010
3/3/2010
3/4/2010
3/5/2010
3/6/2010
3/7/2010
3/8/2010
3/9/2010
3/10/2010
3/11/2010
3/12/2010
3/13/2010
3/14/2010
3/15/2010
3/16/2010
3/17/2010
3/18/2010
3/19/2010
3/20/2010
3/21/2010
3/22/2010
3/23/2010
3/24/2010
3/25/2010 0.43
3/26/2010
3/27/2010
3/28/2010
3/29/2010
3/30/2010 0.00
3/31/2010 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2010 0.00
4/2/2010 0.00 **
4/3/2010 **
4/4/2010 **
4/5/2010 0.66
4/6/2010 0.03
4/7/2010 0.29
4/8/2010 0.05
4/9/2010 T
4/10/2010
4/11/2010
4/12/2010
4/13/2010 0.00
4/14/2010 0.00
4/15/2010 0.00
4/16/2010
4/17/2010
4/18/2010 0.00
4/19/2010
4/20/2010 0.00
4/21/2010 0.00
4/22/2010 0.02
4/23/2010 0.00
4/24/2010 **
4/25/2010 **
4/26/2010 0.67
4/27/2010 0.00
4/28/2010 0.00
4/29/2010
4/30/2010
5/1/2010
5/2/2010
5/3/2010
5/4/2010
5/5/2010
5/6/2010
5/7/2010
5/8/2010
5/9/2010
5/10/2010
5/11/2010
5/12/2010
5/13/2010
5/14/2010
5/15/2010
5/16/2010
5/17/2010
5/18/2010
5/19/2010
5/20/2010
5/21/2010
5/22/2010
5/23/2010
5/24/2010
5/25/2010
5/26/2010
5/27/2010
5/28/2010
5/29/2010
5/30/2010
5/31/2010
6/1/2010 0.61
6/2/2010 1.51
6/3/2010 0.01
6/4/2010 0.00
6/5/2010 0.29
6/6/2010 0.49
6/7/2010
6/8/2010 0.01
6/9/2010 0.27
6/10/2010 0.00
6/11/2010
6/12/2010
6/13/2010 0.63
6/14/2010 0.27
6/15/2010 0.09
6/16/2010 0.15
6/17/2010 0.00
6/18/2010 0.00
6/19/2010 1.33
6/20/2010 0.00
6/21/2010 0.67
6/22/2010 0.38
6/23/2010 0.00
6/24/2010 1.29
6/25/2010
6/26/2010 0.31 **
6/27/2010 **
6/28/2010 0.33
6/29/2010 0.00
6/30/2010 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2010 0.00
7/2/2010 0.00
7/3/2010 0.00
7/4/2010 0.00
7/5/2010 T
7/6/2010 0.00
7/7/2010 0.58
7/8/2010 0.31
7/9/2010 T
7/10/2010 0.00
7/11/2010
7/12/2010 0.00
7/13/2010 0.13
7/14/2010
7/15/2010 0.00
7/16/2010 0.00
7/17/2010 0.00
7/18/2010 0.00
7/19/2010 0.00
7/20/2010 T
7/21/2010
7/22/2010
7/23/2010 0.01
7/24/2010 1.18
7/25/2010 0.32
7/26/2010 0.00
7/27/2010 0.00
7/28/2010 0.00
7/29/2010 0.42
7/30/2010
7/31/2010 0.03
8/1/2010 0.01
8/2/2010 0.00
8/3/2010 0.21
8/4/2010 0.58
8/5/2010
8/6/2010 0.00
8/7/2010
8/8/2010
8/9/2010 T
8/10/2010 0.01
8/11/2010 0.01
8/12/2010 0.00
8/13/2010 0.00
8/14/2010 0.47
8/15/2010
8/16/2010
8/17/2010
8/18/2010
8/19/2010
8/20/2010
8/21/2010
8/22/2010
8/23/2010 0.00
8/24/2010 0.00
8/25/2010 0.00
8/26/2010 0.00
8/27/2010 0.00
8/28/2010 0.00
8/29/2010 0.00
8/30/2010 0.00
8/31/2010
9/1/2010 0.87
9/2/2010 0.13
9/3/2010 0.52
9/4/2010 T
9/5/2010 0.00
9/6/2010 0.06
9/7/2010 0.00
9/8/2010 0.00
9/9/2010
9/10/2010 0.00
9/11/2010 0.01
9/12/2010 T
9/13/2010
9/14/2010 0.00
9/15/2010 0.00
9/16/2010 0.00
9/17/2010 0.00
9/18/2010
9/19/2010 0.41
9/20/2010 0.01
9/21/2010 0.00
9/22/2010 0.23
9/23/2010
9/24/2010 0.31
9/25/2010
9/26/2010 0.18
9/27/2010
9/28/2010
9/29/2010 0.00
9/30/2010 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/13/2009 7:00 AM T M M M M A MIST MONDAY AFTERNOON ON THE WINDSHIELD
10/14/2009 7:00 AM 0.13 M M M M
10/15/2009 7:00 AM 0.24 M M M M
10/16/2009 7:00 AM 0.08 M M M M
10/17/2009 7:00 AM T M M M M
10/18/2009 7:00 AM 0.00 0.0 M M M
10/19/2009 7:00 AM 0.00 0.0 M M M
10/20/2009 7:00 AM 0.00 0.0 M M M
10/21/2009 7:00 AM 0.05 M M M M
10/22/2009 8:00 AM 0.04 M M M M
10/23/2009 8:30 AM 1.09 M M M M
10/24/2009 10:00 AM 0.06 M M M M
10/25/2009 7:00 AM 0.00 0.0 M M M
10/26/2009 7:15 AM 0.40 M M M M
10/27/2009 7:00 AM 0.09 M M M M
10/28/2009 7:00 AM 0.06 M M M M
10/29/2009 7:00 AM 0.00 0.0 M M M
10/30/2009 7:00 AM 1.08 M M M M
10/31/2009 7:00 AM 0.28 M M M M
11/1/2009 7:00 AM 0.00 0.0 M M M
11/2/2009 7:00 AM T M M M M
11/3/2009 7:00 AM 0.00 0.0 M M M
11/4/2009 7:00 AM 0.00 0.0 M M M
11/5/2009 7:00 AM 0.00 0.0 M M M
11/6/2009 7:00 AM 0.00 0.0 M M M
11/7/2009 7:00 AM 0.00 0.0 M M M
11/8/2009 7:00 AM 0.00 0.0 M M M
11/9/2009 7:00 AM 0.00 0.0 M M M
11/10/2009 7:00 AM 0.00 0.0 M M M
11/11/2009 7:00 AM T M M M M
11/12/2009 7:00 AM 0.00 0.0 M M M
11/13/2009 7:00 AM 0.00 0.0 M M M
11/14/2009 7:00 AM 0.00 0.0 M M M
11/16/2009 7:00 AM 0.17 M M M M
11/17/2009 7:00 AM T M M M M
11/18/2009 7:00 AM 0.22 M M M M
11/19/2009 11:15 AM 0.08 M M M M
11/20/2009 7:00 AM 0.01 M M M M
11/21/2009 7:00 AM 0.00 0.0 M M M
11/22/2009 7:00 AM 0.00 0.0 M M M
11/23/2009 7:00 AM 0.00 0.0 M M M
11/24/2009 7:00 AM T M M M M thick fog
11/25/2009 7:00 AM 0.63 M M M M
11/26/2009 7:00 AM 0.30 M M M M
11/27/2009 7:00 AM 0.01 M M M M
11/28/2009 7:00 AM 0.00 0.0 M M M
11/29/2009 7:00 AM 0.00 0.0 M M M
11/30/2009 7:00 AM T M M M M couple drops sunday afternoon
12/2/2009 7:00 AM 0.00 0.0 M M M
12/3/2009 7:00 AM 0.00 0.0 M M M
12/4/2009 7:00 AM T M M M M snow
12/5/2009 7:00 AM T M M M M few flurries friday night
12/6/2009 7:00 AM 0.00 0.0 M M M
12/7/2009 7:00 AM 0.04 1.7 M M M more melted by my cylinder had a leak
12/8/2009 7:00 AM 0.09 1.2 M 2.5 M
12/9/2009 7:00 AM 0.69 0.4 M 2.0 M
12/10/2009 7:00 AM 0.07 1.3 M M M very windy
12/11/2009 7:00 AM 0.00 0.0 M M M
12/12/2009 7:00 AM 0.00 0.0 M M M
12/13/2009 7:00 AM 0.02 M M M M
12/14/2009 7:00 AM T M M M M fog
12/15/2009 7:00 AM 0.00 0.0 M M M
12/16/2009 7:00 AM 0.00 0.0 M M M
12/17/2009 7:00 AM 0.00 0.0 M M M
12/18/2009 7:00 AM T T M M M
12/19/2009 7:00 AM 0.05 0.9 M M M
12/20/2009 7:00 AM T T M M M
12/21/2009 7:00 AM 0.03 0.2 M 1.0 M
12/22/2009 7:00 AM 0.30 3.3 M 4.0 M
12/23/2009 7:00 AM T M M M M
12/24/2009 7:00 AM 0.70 M M 1.5 M
12/25/2009 7:00 AM 1.71 M M 0.0 M
12/29/2009 7:00 AM 0.00 0.0 M M M
12/30/2009 7:00 AM 0.00 0.0 M 3.0 M
12/31/2009 7:00 AM 0.10 1.6 M 4.5 M
1/1/2010 7:00 AM 0.00 0.0 M M M windy snow drifting
1/2/2010 7:00 AM T M M M M flurries new years day
1/4/2010 7:00 AM 0.00 0.0 M 3.5 M
1/6/2010 7:00 AM 0.00 0.0 M M M
1/9/2010 7:00 AM T T M M M
1/11/2010 7:00 AM 0.00 0.0 M 5.0 M
1/16/2010 7:00 AM T T M M M
1/17/2010 7:00 AM 0.00 0.0 M M M
1/19/2010 7:00 AM T T M M M
1/20/2010 7:00 AM 0.00 0.0 M M M
1/21/2010 7:00 AM 0.30 M M M M ice and rain
1/22/2010 7:00 AM T M M M M
1/24/2010 7:00 AM 0.56 M M M M
1/26/2010 7:00 AM 0.09 1.0 M 1.0 M
1/27/2010 7:00 AM T T M 1.0 M
1/28/2010 7:00 AM 0.01 0.3 M 1.0 M
2/1/2010 7:00 AM 0.00 0.0 M M M
2/2/2010 7:00 AM 0.01 0.3 M M M
2/3/2010 7:00 AM 0.00 0.0 M M M
2/4/2010 7:00 AM 0.00 0.0 M M M
2/5/2010 7:00 AM 0.00 0.0 M M M
2/8/2010 7:00 AM 0.02 0.2 M M M
2/16/2010 7:00 AM T T M M M
3/25/2010 7:00 AM 0.43 M M M M
3/30/2010 7:00 AM 0.00 0.0 M M M
3/31/2010 7:00 AM 0.00 0.0 M M M
4/1/2010 7:00 AM 0.00 0.0 M M M
4/2/2010 7:00 AM 0.00 0.0 M M M
4/6/2010 7:00 AM 0.03 M M M M
4/7/2010 7:00 AM 0.29 M M M M
4/8/2010 7:00 AM 0.05 M M M M
4/9/2010 7:00 AM T M M M M
4/13/2010 7:00 AM 0.00 0.0 M M M
4/14/2010 7:00 AM 0.00 0.0 M M M
4/15/2010 7:00 AM 0.00 0.0 M M M
4/18/2010 7:00 AM 0.00 0.0 M M M
4/20/2010 7:00 AM 0.00 0.0 M M M
4/21/2010 7:00 AM 0.00 0.0 M M M
4/22/2010 7:00 AM 0.02 M M M M
4/23/2010 7:00 AM 0.00 0.0 M M M
4/27/2010 7:00 AM 0.00 0.0 M M M
4/28/2010 7:00 AM 0.00 0.0 M M M
6/1/2010 7:00 AM 0.61 M M M M (par)
6/2/2010 7:00 AM 1.51 M M M M (par)
6/3/2010 7:00 AM 0.01 M M M M (par)
6/4/2010 7:00 AM 0.00 0.0 M M M (par)
6/5/2010 7:00 AM 0.29 M M M M (par)
6/6/2010 7:00 AM 0.49 M M M M (par)
6/8/2010 7:00 AM 0.01 M M M M
6/9/2010 7:00 AM 0.27 M M M M
6/10/2010 7:00 AM 0.00 0.0 M M M
6/13/2010 7:00 AM 0.63 M M M M
6/14/2010 7:00 AM 0.27 M M M M
6/15/2010 7:00 AM 0.09 M M M M
6/16/2010 7:00 AM 0.15 M M M M
6/17/2010 7:00 AM 0.00 0.0 M M M
6/18/2010 7:00 AM 0.00 0.0 M M M
6/19/2010 7:00 AM 1.33 M M M M
6/20/2010 7:00 AM 0.00 0.0 M M M
6/21/2010 7:00 AM 0.67 M M M M
6/22/2010 7:00 AM 0.38 M M M M
6/23/2010 7:00 AM 0.00 0.0 M M M The storm is on its way.
6/24/2010 7:00 AM 1.29 M M M M
6/26/2010 7:00 AM 0.31 M M M M
6/29/2010 7:00 AM 0.00 0.0 M M M
6/30/2010 7:00 AM 0.00 0.0 M M M
7/1/2010 7:00 AM 0.00 0.0 M M M
7/2/2010 7:00 AM 0.00 0.0 M M M
7/3/2010 7:00 AM 0.00 0.0 M M M
7/4/2010 7:00 AM 0.00 0.0 M M M
7/5/2010 7:00 AM T M M M M
7/6/2010 7:00 AM 0.00 0.0 M M M
7/7/2010 7:00 AM 0.58 M M M M
7/8/2010 7:00 AM 0.31 M M M M
7/9/2010 7:00 AM T M M M M
7/10/2010 7:00 AM 0.00 0.0 M M M
7/12/2010 7:00 AM 0.00 0.0 M M M
7/13/2010 7:00 AM 0.13 M M M M
7/15/2010 7:00 AM 0.00 0.0 M M M
7/16/2010 7:00 AM 0.00 0.0 M M M
7/17/2010 7:00 AM 0.00 0.0 M M M
7/18/2010 7:00 AM 0.00 0.0 M M M
7/19/2010 7:00 AM 0.00 0.0 M M M
7/20/2010 7:00 AM T M M M M
7/23/2010 7:00 AM 0.01 M M M M
7/24/2010 7:00 AM 1.18 M M M M
7/25/2010 7:00 AM 0.32 M M M M
7/26/2010 7:00 AM 0.00 0.0 M M M
7/27/2010 7:00 AM 0.00 0.0 M M M
7/28/2010 7:00 AM 0.00 0.0 M M M
7/29/2010 7:00 AM 0.42 M M M M
7/31/2010 7:00 AM 0.03 M M M M
8/1/2010 7:00 AM 0.01 M M M M
8/2/2010 7:00 AM 0.00 0.0 M M M
8/3/2010 7:00 AM 0.21 M M M M
8/4/2010 7:00 AM 0.58 M M M M
8/6/2010 7:00 AM 0.00 0.0 M M M
8/9/2010 7:00 AM T M M M M
8/10/2010 7:00 AM 0.01 M M M M
8/11/2010 7:00 AM 0.01 M M M M
8/12/2010 7:00 AM 0.00 0.0 M M M
8/13/2010 7:00 AM 0.00 0.0 M M M
8/14/2010 7:00 AM 0.47 M M M M
8/23/2010 7:00 AM 0.00 0.0 M M M
8/24/2010 7:00 AM 0.00 0.0 M M M
8/25/2010 7:00 AM 0.00 0.0 M M M
8/26/2010 7:00 AM 0.00 0.0 M M M
8/27/2010 7:00 AM 0.00 0.0 M M M
8/28/2010 7:00 AM 0.00 0.0 M M M
8/29/2010 7:00 AM 0.00 0.0 M M M
8/30/2010 7:00 AM 0.00 0.0 M M M
9/1/2010 7:00 AM 0.87 M M M M
9/2/2010 7:00 AM 0.13 M M M M
9/3/2010 7:00 AM 0.52 M M M M
9/4/2010 7:00 AM T M M M M
9/5/2010 7:00 AM 0.00 0.0 M M M
9/6/2010 7:00 AM 0.06 M M M M
9/7/2010 7:00 AM 0.00 0.0 M M M
9/8/2010 7:00 AM 0.00 0.0 M M M
9/10/2010 7:00 AM 0.00 0.0 M M M
9/11/2010 7:00 AM 0.01 M M M M
9/12/2010 7:00 AM T M M M M
9/14/2010 7:00 AM 0.00 0.0 M M M
9/15/2010 7:00 AM 0.00 0.0 M M M
9/16/2010 7:00 AM 0.00 0.0 M M M
9/17/2010 7:00 AM 0.00 0.0 M M M there was some "spit" but no reading
9/19/2010 7:00 AM 0.41 M M M M
9/20/2010 7:00 AM 0.01 M M M M
9/21/2010 7:00 AM 0.00 0.0 M M M
9/22/2010 7:00 AM 0.23 M M M M
9/24/2010 7:00 AM 0.31 M M M M
9/26/2010 7:00 AM 0.18 M M M M
9/29/2010 7:00 AM 0.00 0.0 M M M
9/30/2010 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
12/25/2009 12/28/2009 7:00 AM 4 0.41 4.0 M
1/6/2010 1/08/2010 9:30 AM 3 0.22 5.5 M 4.5 inches new snow
4/2/2010 4/05/2010 7:00 AM 4 0.66 M M
4/24/2010 4/26/2010 7:00 AM 3 0.67 M M
6/26/2010 6/28/2010 7:00 AM 3 0.33 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