Station Overview Station Location
Station Number IN-LK-33 Latitude 41.462089
Station Name Merrillville 1.6 ESE Longitude -87.296764
County Lake Elevation (ft) 711



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 3.29 7.61 31 7.61 31 0.00 0 0 22 3 0.0 0 0
Nov 09 3.37 1.49 30 1.49 30 0.00 0 0 10 3 0.0 0 0
Dec 09 2.42 2.13 27 0.86 22 1.27 5 2 9 2 2.8 3 2
Jan 10 2.05 1.40 31 1.40 31 0.00 0 0 8 8 9.5 3 0
Feb 10 1.76 1.92 28 1.92 28 0.00 0 0 10 2 5.7 4 0
March 10 2.41 1.95 31 1.95 31 0.00 0 0 10 4 0.0 0 0
April 10 3.59 3.41 30 3.41 30 0.00 0 0 10 1 0.0 0 0
May 10 3.88 5.44 31 5.44 31 0.00 0 0 15 0 0.0 0 0
June 10 4.11 7.70 30 7.70 30 0.00 0 0 17 3 0.0 0 0
July 10 4.04 6.55 31 6.55 31 0.00 0 0 9 3 0.0 0 0
Aug 10 4.56 2.63 31 2.63 31 0.00 0 0 8 1 0.0 0 0
Sept 10 3.45 2.79 30 1.79 28 1.00 2 1 10 2 0.0 0 0
Water Year Totals: 38.93" 45.02" 361 days 42.75" 354 2.27" 7 days 3 138 days 32 days 18.0" 10 days 2 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 0.00
10/2/2009 0.62
10/3/2009 0.11
10/4/2009 0.03
10/5/2009 0.00
10/6/2009 0.02
10/7/2009 0.07
10/8/2009 0.00
10/9/2009 0.65
10/10/2009 0.46
10/11/2009 T
10/12/2009 T
10/13/2009 0.00
10/14/2009 0.03
10/15/2009 0.22
10/16/2009 0.07
10/17/2009 0.16
10/18/2009 0.25
10/19/2009 T
10/20/2009 0.00
10/21/2009 0.02
10/22/2009 0.00
10/23/2009 1.84
10/24/2009 0.07
10/25/2009 0.05
10/26/2009 0.12
10/27/2009 0.10
10/28/2009 0.21
10/29/2009 0.01
10/30/2009 1.70
10/31/2009 0.80
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 0.00
11/12/2009 0.00
11/13/2009 0.00
11/14/2009 0.00
11/15/2009 0.05
11/16/2009 0.22
11/17/2009 T
11/18/2009 0.47
11/19/2009 0.02
11/20/2009 0.02
11/21/2009 T
11/22/2009 0.00
11/23/2009 0.00
11/24/2009 0.01
11/25/2009 0.47
11/26/2009 0.17
11/27/2009 0.02
11/28/2009 0.00
11/29/2009 0.00
11/30/2009 0.04
12/1/2009 0.00
12/2/2009 0.00
12/3/2009 0.15
12/4/2009 T
12/5/2009 0.00
12/6/2009 0.00
12/7/2009 0.01
12/8/2009 0.02
12/9/2009 **
12/10/2009 0.35
12/11/2009 0.00
12/12/2009 0.00
12/13/2009 0.16
12/14/2009 0.01
12/15/2009 0.00
12/16/2009 0.00
12/17/2009 0.00
12/18/2009 0.00
12/19/2009 0.16
12/20/2009 0.09
12/21/2009 T
12/22/2009 0.18
12/23/2009 **
12/24/2009 **
12/25/2009 0.92
12/26/2009
12/27/2009
12/28/2009
12/29/2009 0.00
12/30/2009
12/31/2009 0.08
Day of YearDaily PrcpMultiday Prcp
1/1/2010 0.00
1/2/2010 T
1/3/2010 T
1/4/2010 0.00
1/5/2010 0.00
1/6/2010 0.00
1/7/2010 0.18
1/8/2010 0.38
1/9/2010 T
1/10/2010 T
1/11/2010 T
1/12/2010 0.22
1/13/2010 0.00
1/14/2010 0.00
1/15/2010 0.00
1/16/2010 0.00
1/17/2010 0.00
1/18/2010 0.00
1/19/2010 T
1/20/2010 0.00
1/21/2010 0.04
1/22/2010 0.18
1/23/2010 T
1/24/2010 0.37
1/25/2010 T
1/26/2010 0.01
1/27/2010 0.00
1/28/2010 0.02
1/29/2010 0.00
1/30/2010 0.00
1/31/2010 0.00
2/1/2010 0.00
2/2/2010 0.05
2/3/2010 0.00
2/4/2010 0.00
2/5/2010 0.00
2/6/2010 0.30
2/7/2010 0.00
2/8/2010 0.00
2/9/2010 0.14
2/10/2010 0.33
2/11/2010 0.00
2/12/2010 0.00
2/13/2010 0.00
2/14/2010 0.00
2/15/2010 0.00
2/16/2010 0.02
2/17/2010 0.00
2/18/2010 0.00
2/19/2010 0.00
2/20/2010 T
2/21/2010 0.00
2/22/2010 0.76
2/23/2010 0.04
2/24/2010 T
2/25/2010 0.17
2/26/2010 0.00
2/27/2010 0.09
2/28/2010 0.02
3/1/2010 0.01
3/2/2010 0.00
3/3/2010 0.00
3/4/2010 0.00
3/5/2010 0.00
3/6/2010 0.00
3/7/2010 0.00
3/8/2010 0.12
3/9/2010 0.00
3/10/2010 0.05
3/11/2010 0.17
3/12/2010 0.35
3/13/2010 0.60
3/14/2010 0.27
3/15/2010 T
3/16/2010 0.00
3/17/2010 0.00
3/18/2010 0.00
3/19/2010 0.00
3/20/2010 0.00
3/21/2010 0.12
3/22/2010 T
3/23/2010 0.00
3/24/2010 0.00
3/25/2010 0.12
3/26/2010 T
3/27/2010 0.00
3/28/2010 0.14
3/29/2010 T
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 T
4/4/2010 0.33
4/5/2010 0.31
4/6/2010 0.02
4/7/2010 0.19
4/8/2010 0.91
4/9/2010 0.01
4/10/2010 0.00
4/11/2010 0.00
4/12/2010 0.00
4/13/2010 0.00
4/14/2010 0.00
4/15/2010 0.00
4/16/2010 0.05
4/17/2010 0.00
4/18/2010 0.00
4/19/2010 0.00
4/20/2010 0.00
4/21/2010 0.00
4/22/2010 0.00
4/23/2010 0.00
4/24/2010 0.67
4/25/2010 0.57
4/26/2010 0.35
4/27/2010 0.00
4/28/2010 0.00
4/29/2010 0.00
4/30/2010 0.00
5/1/2010 0.03
5/2/2010 0.59
5/3/2010 0.01
5/4/2010 0.00
5/5/2010 0.00
5/6/2010 0.00
5/7/2010 0.53
5/8/2010 0.16
5/9/2010 0.04
5/10/2010 0.00
5/11/2010 0.90
5/12/2010 0.02
5/13/2010 1.82
5/14/2010 0.04
5/15/2010 0.00
5/16/2010 0.00
5/17/2010 0.13
5/18/2010 0.54
5/19/2010 0.00
5/20/2010 0.00
5/21/2010 0.33
5/22/2010 0.26
5/23/2010 0.00
5/24/2010 0.00
5/25/2010 0.00
5/26/2010 0.00
5/27/2010 0.00
5/28/2010 0.00
5/29/2010 0.00
5/30/2010 0.00
5/31/2010 0.04
6/1/2010 1.21
6/2/2010 0.43
6/3/2010 0.02
6/4/2010 0.00
6/5/2010 0.08
6/6/2010 0.12
6/7/2010 0.43
6/8/2010 0.02
6/9/2010 0.27
6/10/2010 0.00
6/11/2010 0.23
6/12/2010 0.00
6/13/2010 0.25
6/14/2010 T
6/15/2010 0.00
6/16/2010 0.74
6/17/2010 0.00
6/18/2010 0.05
6/19/2010 1.02
6/20/2010 0.00
6/21/2010 0.00
6/22/2010 0.92
6/23/2010 0.00
6/24/2010 1.33
6/25/2010 0.00
6/26/2010 0.36
6/27/2010 T
6/28/2010 0.22
6/29/2010 T
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 0.00
7/6/2010 0.00
7/7/2010 0.00
7/8/2010 0.18
7/9/2010 0.23
7/10/2010 0.00
7/11/2010 0.00
7/12/2010 0.19
7/13/2010 0.49
7/14/2010 0.00
7/15/2010 0.00
7/16/2010 T
7/17/2010 0.00
7/18/2010 0.00
7/19/2010 0.15
7/20/2010 T
7/21/2010 0.00
7/22/2010 0.00
7/23/2010 0.00
7/24/2010 0.85
7/25/2010 1.85
7/26/2010 T
7/27/2010 0.00
7/28/2010 0.00
7/29/2010 1.62
7/30/2010 0.00
7/31/2010 0.99
8/1/2010 0.01
8/2/2010 0.00
8/3/2010 1.91
8/4/2010 0.03
8/5/2010 0.14
8/6/2010 0.00
8/7/2010 0.00
8/8/2010 0.00
8/9/2010 0.00
8/10/2010 T
8/11/2010 0.00
8/12/2010 0.00
8/13/2010 0.00
8/14/2010 0.11
8/15/2010 0.05
8/16/2010 0.00
8/17/2010 0.00
8/18/2010 0.08
8/19/2010 0.00
8/20/2010 0.00
8/21/2010 0.30
8/22/2010 0.00
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 0.00
9/1/2010 0.00
9/2/2010 **
9/3/2010 1.00
9/4/2010 0.01
9/5/2010 0.00
9/6/2010 0.01
9/7/2010 0.00
9/8/2010 0.00
9/9/2010 0.00
9/10/2010 0.00
9/11/2010 0.21
9/12/2010 0.15
9/13/2010 0.00
9/14/2010 0.00
9/15/2010 0.00
9/16/2010 0.50
9/17/2010 0.02
9/18/2010 0.00
9/19/2010 0.25
9/20/2010 T
9/21/2010 0.00
9/22/2010 0.44
9/23/2010 0.00
9/24/2010 0.12
9/25/2010 T
9/26/2010 0.08
9/27/2010 0.00
9/28/2010 0.00
9/29/2010 0.00
9/30/2010 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2009 9:00 AM 0.00 0.0 M M M
10/2/2009 9:00 AM 0.62 M M M M
10/3/2009 9:00 AM 0.11 M M M M
10/4/2009 9:00 AM 0.03 M M M M
10/5/2009 9:00 AM 0.00 0.0 M M M
10/6/2009 9:00 AM 0.02 M M M M
10/7/2009 9:00 AM 0.07 M M M M
10/8/2009 9:00 AM 0.00 0.0 M M M
10/9/2009 9:20 AM 0.65 M M M M
10/10/2009 9:00 AM 0.46 M M M M
10/11/2009 8:30 AM T M M M M
10/12/2009 9:00 AM T M M M M
10/13/2009 9:00 AM 0.00 0.0 M M M
10/14/2009 10:30 AM 0.03 M M M M
10/15/2009 9:00 AM 0.22 M M M M
10/16/2009 9:00 AM 0.07 M M M M
10/17/2009 9:00 AM 0.16 M M M M
10/18/2009 9:00 AM 0.25 M M M M
10/19/2009 9:00 AM T M M M M
10/20/2009 9:00 AM 0.00 0.0 M M M
10/21/2009 9:00 AM 0.02 M M M M
10/22/2009 9:00 AM 0.00 0.0 M M M
10/23/2009 9:00 AM 1.84 M M M M
10/24/2009 9:00 AM 0.07 M M M M
10/25/2009 9:00 AM 0.05 M M M M
10/26/2009 9:00 AM 0.12 M M M M
10/27/2009 9:00 AM 0.10 M M M M
10/28/2009 9:00 AM 0.21 M M M M
10/29/2009 8:30 AM 0.01 M M M M
10/30/2009 9:00 AM 1.70 M M M M
10/31/2009 8:00 AM 0.80 M M M M
11/1/2009 7:00 AM 0.00 0.0 M M M
11/2/2009 9:00 AM T M M M M
11/3/2009 9:00 AM 0.00 0.0 M M M
11/4/2009 8:00 AM 0.00 0.0 M M M
11/5/2009 9:00 AM 0.00 0.0 M M M
11/6/2009 8:00 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 8:00 AM 0.00 0.0 M M M
11/10/2009 8:00 AM 0.00 0.0 M M M
11/11/2009 9:00 AM 0.00 0.0 M M M
11/12/2009 9:00 AM 0.00 0.0 M M M
11/13/2009 8:00 AM 0.00 0.0 M M M
11/14/2009 8:00 AM 0.00 0.0 M M M
11/15/2009 9:00 AM 0.05 M M M M
11/16/2009 8:00 AM 0.22 M M M M
11/17/2009 9:00 AM T M M M M
11/18/2009 9:45 AM 0.47 M M M M
11/19/2009 9:00 AM 0.02 M M M M
11/20/2009 8:00 AM 0.02 M M M M
11/21/2009 8:00 AM T M M M M
11/22/2009 8:00 AM 0.00 0.0 M M M
11/23/2009 8:00 AM 0.00 0.0 M M M
11/24/2009 9:00 AM 0.01 M M M M
11/25/2009 9:00 AM 0.47 M M M M
11/26/2009 9:00 AM 0.17 M M M M
11/27/2009 9:00 AM 0.02 M M M M
11/28/2009 9:00 AM 0.00 0.0 M M M
11/29/2009 9:00 AM 0.00 0.0 M M M
11/30/2009 9:00 AM 0.04 M M M M
12/1/2009 9:00 AM 0.00 0.0 M M M
12/2/2009 8:00 AM 0.00 0.0 M M M
12/3/2009 9:00 AM 0.15 M M M M
12/4/2009 9:00 AM T M M M M
12/5/2009 9:00 AM 0.00 0.0 M M M
12/6/2009 9:00 AM 0.00 0.0 M M M
12/7/2009 9:00 AM 0.01 0.1 M M M First accumulated snow! A scattering on ground, concrete surfaces covered
12/8/2009 9:00 AM 0.02 T M M M
12/11/2009 9:00 AM 0.00 0.0 M M M
12/12/2009 9:00 AM 0.00 0.0 M M M
12/13/2009 9:00 AM 0.16 M M M M
12/14/2009 9:00 AM 0.01 M M M M
12/15/2009 9:00 AM 0.00 0.0 M M M
12/16/2009 9:00 AM 0.00 0.0 M M M
12/17/2009 9:00 AM 0.00 0.0 M M M
12/18/2009 9:00 AM 0.00 0.0 M M M
12/19/2009 10:30 AM 0.16 1.3 M 1.3 M
12/20/2009 8:00 AM 0.09 M M M M
12/21/2009 9:00 AM T M M M M
12/22/2009 9:00 AM 0.18 1.4 M 1.5 M
12/29/2009 9:00 AM 0.00 0.0 M M M
12/31/2009 7:00 AM 0.08 M M M M
1/1/2010 9:00 AM 0.00 0.0 M M M
1/2/2010 7:30 AM T M M M M
1/3/2010 9:00 AM T M M M M Approximately one inch scattered dry, light snow. Uneven coverage. Very little in the gauge.
1/4/2010 6:30 AM 0.00 0.0 M M M
1/5/2010 9:00 AM 0.00 0.0 M M M
1/6/2010 7:00 AM 0.00 0.0 M M M
1/7/2010 9:00 AM 0.18 3.5 M M M Winter Storm Warning today
1/8/2010 9:00 AM 0.38 4.0 M M M Very windy, gusts to 30 mph. Lots of drifting. Some drifts over 2 feet high.
1/9/2010 9:00 AM T M M M M
1/10/2010 8:00 AM T M M M M
1/11/2010 8:00 AM T M M M M
1/12/2010 7:00 AM 0.22 2.0 M M M
1/13/2010 9:00 AM 0.00 0.0 M M M
1/14/2010 9:00 AM 0.00 0.0 M M M
1/15/2010 9:00 AM 0.00 0.0 M M M
1/16/2010 8:00 AM 0.00 0.0 M M M
1/17/2010 9:00 AM 0.00 0.0 M M M
1/18/2010 8:00 AM 0.00 0.0 M M M
1/19/2010 9:00 AM T M M M M
1/20/2010 9:00 AM 0.00 0.0 M M M
1/21/2010 9:00 AM 0.04 M M M M
1/22/2010 9:00 AM 0.18 M M M M
1/23/2010 9:00 AM T M M M M
1/24/2010 9:00 AM 0.37 M M M M
1/25/2010 9:00 AM T M M M M
1/26/2010 9:00 AM 0.01 M M M M
1/27/2010 9:00 AM 0.00 0.0 M M M
1/28/2010 9:00 AM 0.02 M M M M
1/29/2010 8:00 AM 0.00 0.0 M M M
1/30/2010 9:00 AM 0.00 0.0 M M M
1/31/2010 8:00 AM 0.00 0.0 M M M
2/1/2010 9:00 AM 0.00 0.0 M M M
2/2/2010 9:00 AM 0.05 0.5 M M M
2/3/2010 9:00 AM 0.00 0.0 M M M
2/4/2010 9:00 AM 0.00 0.0 M M M
2/5/2010 9:00 AM 0.00 0.0 M M M
2/6/2010 8:00 AM 0.30 1.8 M M M Strong NE wind causing small drifts on west of property. Snow is very heavy and wet.
2/7/2010 8:00 AM 0.00 0.0 M M M
2/8/2010 7:00 AM 0.00 0.0 M M M
2/9/2010 7:20 AM 0.14 1.9 M M M
2/10/2010 10:00 AM 0.33 M M M M
2/11/2010 8:00 AM 0.00 0.0 M M M
2/12/2010 8:00 AM 0.00 0.0 M M M
2/13/2010 7:00 AM 0.00 0.0 M M M
2/14/2010 7:00 AM 0.00 0.0 M M M
2/15/2010 8:00 AM 0.00 0.0 M M M
2/16/2010 9:00 AM 0.02 M M M M
2/17/2010 9:00 AM 0.00 0.0 M M M
2/18/2010 9:00 AM 0.00 0.0 M M M
2/19/2010 9:00 AM 0.00 0.0 M M M
2/20/2010 9:00 AM T M M M M
2/21/2010 8:00 AM 0.00 0.0 M M M
2/22/2010 8:00 AM 0.76 1.5 M M M Very heavy wet snow. Almost two inches measured at midnight, rain and sleet "compacted" the snow measurement in the a.m. to only about 1.5 inches
2/23/2010 11:00 AM 0.04 M M M M
2/24/2010 9:00 AM T M M M M
2/25/2010 7:30 AM 0.17 M M M M
2/26/2010 7:30 AM 0.00 0.0 M M M
2/27/2010 7:30 AM 0.09 M M M M
2/28/2010 7:30 AM 0.02 M M M M
3/1/2010 9:00 AM 0.01 M M M M
3/2/2010 7:30 AM 0.00 0.0 M M M
3/3/2010 7:00 AM 0.00 0.0 M M M
3/4/2010 9:00 AM 0.00 0.0 M M M
3/5/2010 9:00 AM 0.00 0.0 M M M
3/6/2010 7:00 AM 0.00 0.0 M M M
3/7/2010 8:00 AM 0.00 0.0 M M M
3/8/2010 9:00 AM 0.12 M M M M
3/9/2010 9:00 AM 0.00 0.0 M M M
3/10/2010 9:00 AM 0.05 M M M M
3/11/2010 10:00 AM 0.17 M M M M
3/12/2010 8:30 AM 0.35 M M M M
3/13/2010 9:20 AM 0.60 M M M M
3/14/2010 10:00 AM 0.27 M M M M
3/15/2010 9:00 AM T M M M M
3/16/2010 9:00 AM 0.00 0.0 M M M
3/17/2010 9:00 AM 0.00 0.0 M M M
3/18/2010 9:00 AM 0.00 0.0 M M M
3/19/2010 9:00 AM 0.00 0.0 M M M
3/20/2010 7:00 AM 0.00 0.0 M M M
3/21/2010 9:00 AM 0.12 M M M M
3/22/2010 9:00 AM T M M M M
3/23/2010 8:30 AM 0.00 0.0 M M M
3/24/2010 8:00 AM 0.00 0.0 M M M
3/25/2010 9:00 AM 0.12 M M M M
3/26/2010 9:00 AM T M M M M
3/27/2010 8:30 AM 0.00 0.0 M M M
3/28/2010 9:00 AM 0.14 M M M M
3/29/2010 8:20 AM T M M M M
3/30/2010 8:30 AM 0.00 0.0 M M M
3/31/2010 8:30 AM 0.00 0.0 M M M
4/1/2010 9:00 AM 0.00 0.0 M M M
4/2/2010 9:00 AM 0.00 0.0 M M M
4/3/2010 8:15 AM T M M M M
4/4/2010 7:30 AM 0.33 M M M M
4/5/2010 8:30 AM 0.31 M M M M
4/6/2010 7:30 AM 0.02 M M M M
4/7/2010 9:00 AM 0.19 M M M M
4/8/2010 8:20 AM 0.91 M M M M
4/9/2010 8:00 AM 0.01 M M M M
4/10/2010 8:00 AM 0.00 0.0 M M M
4/11/2010 6:30 AM 0.00 0.0 M M M
4/12/2010 8:00 AM 0.00 0.0 M M M
4/13/2010 8:30 AM 0.00 0.0 M M M
4/14/2010 9:00 AM 0.00 0.0 M M M
4/15/2010 9:00 AM 0.00 0.0 M M M
4/16/2010 10:20 AM 0.05 M M M M
4/17/2010 7:30 AM 0.00 0.0 M M M
4/18/2010 7:30 AM 0.00 0.0 M M M
4/19/2010 7:30 AM 0.00 0.0 M M M
4/20/2010 8:00 AM 0.00 0.0 M M M
4/21/2010 8:30 AM 0.00 0.0 M M M
4/22/2010 9:00 AM 0.00 0.0 M M M
4/23/2010 9:00 AM 0.00 0.0 M M M
4/24/2010 8:30 AM 0.67 M M M M
4/25/2010 8:30 AM 0.57 M M M M
4/26/2010 7:30 AM 0.35 M M M M
4/27/2010 8:30 AM 0.00 0.0 M M M
4/28/2010 8:30 AM 0.00 0.0 M M M
4/29/2010 8:00 AM 0.00 0.0 M M M
4/30/2010 8:00 AM 0.00 0.0 M M M
5/1/2010 9:00 AM 0.03 M M M M
5/2/2010 9:00 AM 0.59 M M M M
5/3/2010 8:00 AM 0.01 M M M M
5/4/2010 8:00 AM 0.00 0.0 M M M
5/5/2010 9:00 AM 0.00 0.0 M M M
5/6/2010 8:00 AM 0.00 0.0 M M M
5/7/2010 8:00 AM 0.53 M M M M
5/8/2010 8:20 AM 0.16 M M M M
5/9/2010 8:00 AM 0.04 M M M M
5/10/2010 7:30 AM 0.00 0.0 M M M
5/11/2010 8:30 AM 0.90 M M M M
5/12/2010 9:00 AM 0.02 M M M M
5/13/2010 7:00 AM 1.82 M M M M
5/14/2010 8:30 AM 0.04 M M M M
5/15/2010 8:00 AM 0.00 0.0 M M M
5/16/2010 7:30 AM 0.00 0.0 M M M
5/17/2010 9:00 AM 0.13 M M M M
5/18/2010 9:00 AM 0.54 M M M M
5/19/2010 7:00 AM 0.00 0.0 M M M
5/20/2010 9:00 AM 0.00 0.0 M M M
5/21/2010 8:30 AM 0.33 M M M M
5/22/2010 8:00 AM 0.26 M M M M
5/23/2010 7:30 AM 0.00 0.0 M M M
5/24/2010 7:30 AM 0.00 0.0 M M M
5/25/2010 8:30 AM 0.00 0.0 M M M
5/26/2010 9:00 AM 0.00 0.0 M M M
5/27/2010 9:00 AM 0.00 0.0 M M M
5/28/2010 7:30 AM 0.00 0.0 M M M
5/29/2010 7:30 AM 0.00 0.0 M M M
5/30/2010 8:00 AM 0.00 0.0 M M M
5/31/2010 9:00 AM 0.04 M M M M
6/1/2010 8:30 AM 1.21 M M M M
6/2/2010 7:30 AM 0.43 M M M M
6/3/2010 7:30 AM 0.02 M M M M
6/4/2010 7:00 AM 0.00 0.0 M M M
6/5/2010 9:00 AM 0.08 M M M M
6/6/2010 7:00 AM 0.12 M M M M
6/7/2010 8:30 AM 0.43 M M M M
6/8/2010 9:00 AM 0.02 M M M M
6/9/2010 9:00 AM 0.27 M M M M
6/10/2010 8:30 AM 0.00 0.0 M M M
6/11/2010 9:00 AM 0.23 M M M M
6/12/2010 8:00 AM 0.00 0.0 M M M
6/13/2010 8:30 AM 0.25 M M M M
6/14/2010 8:00 AM T M M M M
6/15/2010 8:00 AM 0.00 0.0 M M M
6/16/2010 7:00 AM 0.74 M M M M
6/17/2010 8:00 AM 0.00 0.0 M M M
6/18/2010 7:30 AM 0.05 M M M M
6/19/2010 8:00 AM 1.02 M M M M Severe storms with high winds, a.k.a. June 18 derecho. Nine-inch diameter oak branch (dead) down in yard, lots of smaller branches.
6/20/2010 8:00 AM 0.00 0.0 M M M
6/21/2010 6:30 AM 0.00 0.0 M M M
6/22/2010 8:00 AM 0.92 M M M M
6/23/2010 7:30 AM 0.00 0.0 M M M
6/24/2010 9:00 AM 1.33 M M M M Strong storms, wind. Tornado warning at 6:43 pm
6/25/2010 8:00 AM 0.00 0.0 M M M
6/26/2010 9:00 AM 0.36 M M M M
6/27/2010 8:00 AM T M M M M
6/28/2010 8:00 AM 0.22 M M M M
6/29/2010 7:00 AM T M M M M
6/30/2010 8:00 AM 0.00 0.0 M M M
7/1/2010 9:00 AM 0.00 0.0 M M M
7/2/2010 7:30 AM 0.00 0.0 M M M
7/3/2010 8:00 AM 0.00 0.0 M M M
7/4/2010 8:00 AM 0.00 0.0 M M M
7/5/2010 8:30 AM 0.00 0.0 M M M
7/6/2010 8:00 AM 0.00 0.0 M M M
7/7/2010 9:00 AM 0.00 0.0 M M M
7/8/2010 9:00 AM 0.18 M M M M
7/9/2010 9:00 AM 0.23 M M M M
7/10/2010 9:00 AM 0.00 0.0 M M M
7/11/2010 8:00 AM 0.00 0.0 M M M
7/12/2010 7:30 AM 0.19 M M M M
7/13/2010 9:00 AM 0.49 M M M M
7/14/2010 9:00 AM 0.00 0.0 M M M
7/15/2010 7:30 AM 0.00 0.0 M M M
7/16/2010 8:00 AM T M M M M
7/17/2010 7:00 AM 0.00 0.0 M M M
7/18/2010 8:00 AM 0.00 0.0 M M M
7/19/2010 7:30 AM 0.15 M M M M
7/20/2010 8:00 AM T M M M M
7/21/2010 8:00 AM 0.00 0.0 M M M
7/22/2010 8:00 AM 0.00 0.0 M M M
7/23/2010 7:30 AM 0.00 0.0 M M M
7/24/2010 9:00 AM 0.85 M M M M
7/25/2010 8:00 AM 1.85 M M M M
7/26/2010 8:30 AM T 0.0 M M M
7/27/2010 8:00 AM 0.00 0.0 M M M
7/28/2010 8:00 AM 0.00 0.0 M M M
7/29/2010 7:00 AM 1.62 M M M M Storms with strong wind dropped 1.56 inches of rain in approximately one-half hour between 4:00 and 4:30 p.m. CDT. Wind damaged small plastic storage bins on deck and patio.
7/30/2010 8:30 AM 0.00 0.0 M M M
7/31/2010 8:30 AM 0.99 M M M M
8/1/2010 8:00 AM 0.01 M M M M
8/2/2010 7:30 AM 0.00 0.0 M M M
8/3/2010 9:00 AM 1.91 M M M M
8/4/2010 7:00 AM 0.03 M M M M
8/5/2010 8:00 AM 0.14 M M M M
8/6/2010 8:00 AM 0.00 0.0 M M M
8/7/2010 7:30 AM 0.00 0.0 M M M
8/8/2010 8:00 AM 0.00 0.0 M M M
8/9/2010 7:30 AM 0.00 0.0 M M M
8/10/2010 8:00 AM T M M M M
8/11/2010 8:00 AM 0.00 0.0 M M M
8/12/2010 7:30 AM 0.00 0.0 M M M
8/13/2010 8:00 AM 0.00 0.0 M M M
8/14/2010 9:00 AM 0.11 M M M M
8/15/2010 9:00 AM 0.05 M M M M
8/16/2010 8:00 AM 0.00 0.0 M M M
8/17/2010 7:30 AM 0.00 0.0 M M M
8/18/2010 8:30 AM 0.08 0.0 M M M
8/19/2010 7:30 AM 0.00 0.0 M M M
8/20/2010 8:00 AM 0.00 0.0 M M M
8/21/2010 8:00 AM 0.30 M M M M
8/22/2010 7:30 AM 0.00 0.0 M M M
8/23/2010 8:00 AM 0.00 0.0 M M M
8/24/2010 8:00 AM 0.00 0.0 M M M
8/25/2010 8:00 AM 0.00 0.0 M M M
8/26/2010 8:00 AM 0.00 0.0 M M M
8/27/2010 7:00 AM 0.00 0.0 M M M
8/28/2010 8:00 AM 0.00 0.0 M M M
8/29/2010 8:00 AM 0.00 0.0 M M M
8/30/2010 8:00 AM 0.00 0.0 M M M
8/31/2010 7:00 AM 0.00 0.0 M M M
9/1/2010 7:00 AM 0.00 0.0 M M M
9/4/2010 8:00 AM 0.01 M M M M
9/5/2010 7:30 AM 0.00 0.0 M M M
9/6/2010 9:00 AM 0.01 M M M M
9/7/2010 9:00 AM 0.00 0.0 M M M
9/8/2010 9:00 AM 0.00 0.0 M M M
9/9/2010 8:00 AM 0.00 0.0 M M M
9/10/2010 9:00 AM 0.00 0.0 M M M
9/11/2010 7:00 AM 0.21 M M M M
9/12/2010 7:30 AM 0.15 M M M M
9/13/2010 8:00 AM 0.00 0.0 M M M
9/14/2010 8:00 AM 0.00 0.0 M M M
9/15/2010 8:00 AM 0.00 0.0 M M M
9/16/2010 8:00 AM 0.50 M M M M 0.50 exactly
9/17/2010 8:00 AM 0.02 M M M M
9/18/2010 8:00 AM 0.00 0.0 M M M
9/19/2010 9:00 AM 0.25 M M M M
9/20/2010 8:00 AM T M M M M
9/21/2010 8:00 AM 0.00 0.0 M M M
9/22/2010 8:00 AM 0.44 M M M M
9/23/2010 8:00 AM 0.00 0.0 M M M
9/24/2010 8:00 AM 0.12 M M M M
9/25/2010 8:00 AM T M M M M
9/26/2010 7:00 AM 0.08 M M M M
9/27/2010 8:00 AM 0.00 0.0 M M M
9/28/2010 9:00 AM 0.00 0.0 M M M
9/29/2010 8:00 AM 0.00 0.0 M M M
9/30/2010 8:00 AM 0.00 0.0 M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
12/9/2009 12/10/2009 9:00 AM 2 0.35 T 0.00 Significant wind and cold - precipitation frozen in gauge on 12/9 with ongoing precipitation. Wind gusts 30 mph+ creating horizontal precipitation: rain, snow, sleet. Temperatures from low 30s on 12/9 to near zero on 12/10
12/23/2009 12/25/2009 2:05 PM 3 0.92 T M Lots of sleet, freezing rain, and ice the last couple of days. Strong winds. Near non-stop precipitation, mostly freezing rain.
9/2/2010 9/03/2010 4:00 PM 2 1.00 M M On vacation in Mackinac! Gauge measured 1.00 EXACTLY.



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