Station Overview Station Location
Station Number IL-LK-39 Latitude 42.172643
Station Name Riverwoods 0.4 ENE Longitude -87.888369
County Lake Elevation (ft) 692



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 2.96 7.59 30 2.48 11 5.11 19 2 8 1 0.0 0 0
Nov 09 3.01 1.44 29 1.44 29 0.00 0 0 8 2 0.0 0 0
Dec 09 2.23 3.37 29 3.37 29 0.00 0 0 16 3 22.2 15 22
Jan 10 1.80 1.15 30 1.15 30 0.00 0 0 7 6 7.6 5 26
Feb 10 1.72 2.11 26 2.11 26 0.00 0 0 12 2 27.8 13 25
March 10 2.34 1.93 31 1.93 31 0.00 0 0 8 2 5.0 2 14
April 10 3.49 2.80 31 2.15 24 0.65 7 1 5 3 0.0 0 0
May 10 4.07 6.05 26 6.05 26 0.00 0 0 11 2 0.0 0 0
June 10 3.93 3.95 25 3.95 25 0.00 0 0 13 3 0.0 0 0
July 10 3.72 7.08 29 7.08 29 0.00 0 0 8 7 0.0 0 0
Aug 10 4.35 2.22 28 2.22 28 0.00 0 0 9 1 0.0 0 0
Sept 10 3.37 3.54 30 3.23 28 0.31 2 1 12 2 0.0 0 0
Water Year Totals: 36.99" 43.23" 344 days 37.16" 316 6.07" 28 days 4 117 days 34 days 62.6" 35 days 87 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 **
10/14/2009 2.43
10/15/2009 0.28
10/16/2009 0.32
10/17/2009 0.24
10/18/2009 T
10/19/2009 0.00
10/20/2009 0.00
10/21/2009
10/22/2009 **
10/23/2009 **
10/24/2009 **
10/25/2009 **
10/26/2009 2.68
10/27/2009 0.11
10/28/2009 0.04
10/29/2009 0.01
10/30/2009 1.08
10/31/2009 0.40
11/1/2009 0.00
11/2/2009 T
11/3/2009 0.00
11/4/2009 T
11/5/2009 0.01
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 0.00
11/16/2009 0.00
11/17/2009 0.00
11/18/2009 0.10
11/19/2009 0.12
11/20/2009 0.08
11/21/2009
11/22/2009 0.00
11/23/2009 0.00
11/24/2009 0.00
11/25/2009 0.69
11/26/2009 0.38
11/27/2009 0.01
11/28/2009 0.00
11/29/2009 0.00
11/30/2009 0.05
12/1/2009 0.00
12/2/2009 0.00
12/3/2009
12/4/2009 0.02
12/5/2009 0.00
12/6/2009 0.00
12/7/2009 0.02
12/8/2009 0.05
12/9/2009 0.68
12/10/2009 0.07
12/11/2009
12/12/2009 0.00
12/13/2009 0.03
12/14/2009 T
12/15/2009 T
12/16/2009 0.00
12/17/2009 0.00
12/18/2009 0.00
12/19/2009 0.34
12/20/2009 0.15
12/21/2009 T
12/22/2009 0.13
12/23/2009 0.13
12/24/2009 0.45
12/25/2009 0.94
12/26/2009 0.08
12/27/2009 0.20
12/28/2009 0.02
12/29/2009 0.00
12/30/2009 0.00
12/31/2009 0.06
Day of YearDaily PrcpMultiday Prcp
1/1/2010 T
1/2/2010 0.00
1/3/2010 0.00
1/4/2010 T
1/5/2010 0.00
1/6/2010 0.00
1/7/2010 0.07
1/8/2010 0.59
1/9/2010 0.00
1/10/2010 T
1/11/2010 0.00
1/12/2010 T
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 0.00
1/20/2010 0.00
1/21/2010 T
1/22/2010 0.05
1/23/2010 0.00
1/24/2010 0.40
1/25/2010 0.02
1/26/2010 0.01
1/27/2010 0.00
1/28/2010 0.01
1/29/2010 0.00
1/30/2010 T
1/31/2010
2/1/2010 0.00
2/2/2010 0.09
2/3/2010 0.10
2/4/2010 0.00
2/5/2010 0.00
2/6/2010 0.04
2/7/2010 T
2/8/2010
2/9/2010 0.10
2/10/2010 0.78
2/11/2010 0.00
2/12/2010
2/13/2010 0.00
2/14/2010 0.00
2/15/2010 0.00
2/16/2010 0.04
2/17/2010 0.00
2/18/2010 0.00
2/19/2010 0.00
2/20/2010 0.09
2/21/2010 T
2/22/2010 0.57
2/23/2010 0.01
2/24/2010 0.02
2/25/2010 0.26
2/26/2010 0.00
2/27/2010 0.01
2/28/2010 0.00
3/1/2010 T
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 0.00
3/9/2010 0.00
3/10/2010 0.08
3/11/2010 0.03
3/12/2010 0.28
3/13/2010 0.48
3/14/2010 0.18
3/15/2010 0.00
3/16/2010 T
3/17/2010 0.00
3/18/2010 0.00
3/19/2010 0.00
3/20/2010 0.19
3/21/2010 0.65
3/22/2010 0.00
3/23/2010 0.00
3/24/2010 0.00
3/25/2010 0.04
3/26/2010 0.00
3/27/2010 0.00
3/28/2010 0.00
3/29/2010 0.00
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 0.13
4/5/2010 0.82
4/6/2010 0.42
4/7/2010 0.66
4/8/2010 0.12
4/9/2010 T
4/10/2010 0.00
4/11/2010 0.00
4/12/2010 0.00
4/13/2010 T
4/14/2010 0.00
4/15/2010 0.00
4/16/2010 0.00
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 **
4/23/2010 **
4/24/2010 **
4/25/2010 **
4/26/2010 **
4/27/2010 0.65
4/28/2010 0.00
4/29/2010 0.00
4/30/2010 0.00
5/1/2010 0.23
5/2/2010 1.05
5/3/2010 0.00
5/4/2010 0.00
5/5/2010 0.00
5/6/2010 0.00
5/7/2010 0.59
5/8/2010 0.09
5/9/2010 0.03
5/10/2010 0.00
5/11/2010 0.74
5/12/2010 0.34
5/13/2010 2.28
5/14/2010 0.38
5/15/2010 0.00
5/16/2010 0.00
5/17/2010 T
5/18/2010 0.00
5/19/2010 T
5/20/2010 0.00
5/21/2010 0.26
5/22/2010 0.06
5/23/2010 0.00
5/24/2010 0.00
5/25/2010 0.00
5/26/2010 0.00
5/27/2010
5/28/2010
5/29/2010
5/30/2010
5/31/2010
6/1/2010
6/2/2010
6/3/2010
6/4/2010
6/5/2010
6/6/2010 0.39
6/7/2010 0.55
6/8/2010 0.03
6/9/2010 0.37
6/10/2010 0.00
6/11/2010 0.00
6/12/2010 0.00
6/13/2010 0.06
6/14/2010 0.03
6/15/2010 0.03
6/16/2010 0.20
6/17/2010 0.00
6/18/2010 T
6/19/2010 0.92
6/20/2010 0.00
6/21/2010 T
6/22/2010 T
6/23/2010 0.14
6/24/2010 0.68
6/25/2010 0.00
6/26/2010 0.24
6/27/2010 0.00
6/28/2010 0.31
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
7/4/2010
7/5/2010 T
7/6/2010 0.00
7/7/2010 0.02
7/8/2010 0.39
7/9/2010 T
7/10/2010 0.00
7/11/2010 0.00
7/12/2010 0.25
7/13/2010 0.02
7/14/2010 0.00
7/15/2010 T
7/16/2010 0.00
7/17/2010 0.00
7/18/2010 0.00
7/19/2010 T
7/20/2010 T
7/21/2010 T
7/22/2010 0.00
7/23/2010 0.25
7/24/2010 4.10
7/25/2010 0.17
7/26/2010 0.00
7/27/2010 0.00
7/28/2010 0.00
7/29/2010 0.00
7/30/2010 T
7/31/2010 1.88
8/1/2010 0.04
8/2/2010 0.00
8/3/2010 0.11
8/4/2010 0.06
8/5/2010 0.94
8/6/2010 0.00
8/7/2010 0.00
8/8/2010
8/9/2010 0.39
8/10/2010 0.01
8/11/2010
8/12/2010 0.00
8/13/2010 0.00
8/14/2010 0.08
8/15/2010 0.00
8/16/2010 0.00
8/17/2010 0.00
8/18/2010 0.03
8/19/2010 0.00
8/20/2010 0.00
8/21/2010 0.56
8/22/2010 T
8/23/2010
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 **
9/2/2010 0.31
9/3/2010 1.61
9/4/2010 0.00
9/5/2010 0.00
9/6/2010 0.04
9/7/2010 T
9/8/2010 0.00
9/9/2010 0.00
9/10/2010 0.00
9/11/2010 0.05
9/12/2010 0.49
9/13/2010 0.00
9/14/2010 0.00
9/15/2010 0.00
9/16/2010 0.01
9/17/2010 0.24
9/18/2010 0.00
9/19/2010 0.22
9/20/2010 T
9/21/2010 0.01
9/22/2010 0.38
9/23/2010 0.01
9/24/2010 0.16
9/25/2010 0.01
9/26/2010 0.00
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
10/15/2009 7:00 AM 0.28 M M M M
10/16/2009 7:00 AM 0.32 M M M M
10/17/2009 7:00 AM 0.24 M M M M
10/18/2009 7:00 AM T M 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
10/27/2009 7:00 AM 0.11 M M M M
10/28/2009 7:00 AM 0.04 M M M M
10/29/2009 7:00 AM 0.01 M M M M
10/30/2009 7:00 AM 1.08 M M M M
10/31/2009 7:00 AM 0.40 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 A very light rain has just commenced falling here in the last five minutes
11/3/2009 7:00 AM 0.00 0.0 M M M
11/4/2009 7:00 AM T 0.0 M M M
11/5/2009 7:00 AM 0.01 M 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 0.00 0.0 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
11/15/2009 7:00 AM 0.00 0.0 M M M
11/16/2009 7:00 AM 0.00 0.0 M M M
11/17/2009 7:00 AM 0.00 0.0 M M M
11/18/2009 7:00 AM 0.10 M M M M
11/19/2009 7:00 AM 0.12 M M M M
11/20/2009 7:00 AM 0.08 M 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 0.00 0.0 M M M
11/25/2009 7:00 AM 0.69 M M M M
11/26/2009 7:00 AM 0.38 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 A light rain commenced falling here at 07:30 hrs. today.
11/30/2009 7:00 AM 0.05 M M M M
12/1/2009 7:00 AM 0.00 0.0 M M M
12/2/2009 7:00 AM 0.00 0.0 M M M
12/4/2009 7:00 AM 0.02 0.4 0.02 M M
12/5/2009 7:00 AM 0.00 0.0 M M M
12/6/2009 7:00 AM 0.00 0.0 M M M
12/7/2009 7:00 AM 0.02 0.5 0.02 0.5 0.02
12/8/2009 7:00 AM 0.05 0.6 0.05 0.8 M
12/9/2009 7:00 AM 0.68 1.4 0.68 1.6 M
12/10/2009 7:00 AM 0.07 1.0 M 2.0 M
12/12/2009 7:00 AM 0.00 0.0 M M M
12/13/2009 7:00 AM 0.03 0.0 M 1.5 M We had a brief sshower last evening around 8 p.m.
12/14/2009 7:00 AM T M M 1.0 M A light drizzle is currently occurring.
12/15/2009 7:00 AM T M M 0.5 M
12/16/2009 7:00 AM 0.00 0.0 M 0.5 M
12/17/2009 7:00 AM 0.00 0.0 M 0.5 M
12/18/2009 7:00 AM 0.00 0.0 M 0.5 M
12/19/2009 7:00 AM 0.34 3.2 M 2.5 M We had snow 3X in the past 24 hrs: 0.4" between 7 and 8 a.m. yesterday which melted, 0.3" which came in the afternoon and turned to rain and 2.5" overnight which remains, for a total of 3.2 ". It's still snowing at the present time here.
12/20/2009 7:00 AM 0.15 2.8 M 2.8 M
12/21/2009 7:00 AM T T M 2.5 M
12/22/2009 7:00 AM 0.13 1.5 0.13 3.5 M A very fine crystal snow has been falling here for the last 4-5 hrs. and continues at this time.
12/23/2009 7:00 AM 0.13 1.6 0.13 5.5 M
12/24/2009 7:00 AM 0.45 1.0 M 5.5 M We received an inch of snow yesterday by the early afternoon followed by a rain later that evening which created a pile of new slush for the period totaling 0.6" this a.m. - 0.1" of ice formed on branches in the area.
12/25/2009 7:00 AM 0.94 0.4 M 2.5 M
12/26/2009 7:00 AM 0.08 0.8 M 1.5 M
12/27/2009 7:00 AM 0.20 5.8 0.20 5.5 M 5.5" fell till 6 p.m. yesterday with an additional 0.3" overnight. The snow also compacted overnight to yield the indicated total snow depth. The collected precipitation and measured core were identical even though the collected snow in the cylinder appeared to be much greater due to much less dense packing there.
12/28/2009 7:00 AM 0.02 0.2 M 4.0 M
12/29/2009 7:00 AM 0.00 0.0 M 2.5 M
12/30/2009 7:00 AM 0.00 0.0 M M M
12/31/2009 7:00 AM 0.06 1.0 M 3.0 M
1/1/2010 7:00 AM T 0.0 M 2.5 M
1/2/2010 7:00 AM 0.00 0.0 M 2.5 M
1/3/2010 7:00 AM 0.00 0.0 M 2.5 M
1/4/2010 7:00 AM T 0.0 M 2.0 M
1/5/2010 7:00 AM 0.00 0.0 M 2.0 M
1/6/2010 7:00 AM 0.00 0.0 M 2.0 M
1/7/2010 7:00 AM 0.07 1.0 M 3.0 M A very fine crystal snow is currently falling at a good rate est. at 1/2"/hr at present. The temperature here is 18.1 degrees and snow is forecasted to fall more or less continuously for the next 24 hrs. with a total projected 12" or so.
1/8/2010 7:00 AM 0.59 6.0 M 9.0 M
1/9/2010 7:00 AM 0.00 0.0 M 8.5 M
1/10/2010 7:00 AM T 0.0 M 7.5 M
1/11/2010 6:00 AM 0.00 0.0 M 7.0 M
1/12/2010 7:00 AM T T M 6.5 M
1/13/2010 7:00 AM 0.00 0.0 M 6.0 M
1/14/2010 7:00 AM 0.00 0.0 M 5.5 M
1/15/2010 7:00 AM 0.00 0.0 M 3.5 M
1/16/2010 7:00 AM 0.00 0.0 M 3.5 M
1/17/2010 7:00 AM 0.00 0.0 M 3.5 M
1/18/2010 7:00 AM 0.00 0.0 M 3.3 M
1/19/2010 7:00 AM 0.00 0.0 M 3.2 M
1/20/2010 7:00 AM 0.00 0.0 M 3.1 M
1/21/2010 7:00 AM T T M 3.0 M
1/22/2010 6:00 AM 0.05 0.0 M 2.9 M
1/23/2010 7:00 AM 0.00 0.0 M 2.3 M
1/24/2010 8:30 AM 0.40 0.0 M 0.5 M
1/25/2010 7:00 AM 0.02 0.0 M T M
1/26/2010 7:00 AM 0.01 0.1 M T M
1/27/2010 7:00 AM 0.00 0.0 M T M
1/28/2010 7:00 AM 0.01 0.2 M 0.2 M
1/29/2010 6:00 AM 0.00 0.0 M T M
1/30/2010 7:00 AM T 0.3 M 0.3 M An extremely light and fluffy snow fell at a barely perceptual rate much of the evening.
2/1/2010 7:00 AM 0.00 0.0 M T M
2/2/2010 5:00 AM 0.09 1.0 M 1.0 M A very light snow continues to fall this morning on Election day!!
2/3/2010 7:00 AM 0.10 1.5 M 2.5 M
2/4/2010 7:00 AM 0.00 0.0 M 2.0 M
2/5/2010 7:00 AM 0.00 0.0 M 1.7 M
2/6/2010 7:00 AM 0.04 0.5 M 2.3 M
2/7/2010 7:00 AM T 0.2 M 2.0 M
2/9/2010 7:00 AM 0.10 1.8 M 3.5 M And so it begins!!
2/10/2010 7:00 AM 0.78 11.2 0.78 12.0 M
2/11/2010 7:00 AM 0.00 0.0 M 11.0 M
2/13/2010 7:00 AM 0.00 0.0 M 8.7 M
2/14/2010 7:00 AM 0.00 0.0 M 8.0 M
2/15/2010 6:00 AM 0.00 0.0 M 7.7 M
2/16/2010 7:00 AM 0.04 0.8 M 8.0 M
2/17/2010 7:00 AM 0.00 0.0 M 7.0 M
2/18/2010 7:00 AM 0.00 0.0 M 6.5 M
2/19/2010 6:00 AM 0.00 0.0 M 5.2 M
2/20/2010 7:00 AM 0.09 1.7 M 6.5 M
2/21/2010 9:00 AM T T M 5.5 M
2/22/2010 7:00 AM 0.57 3.7 M 8.0 M
2/23/2010 7:00 AM 0.01 0.2 M 7.2 M
2/24/2010 7:00 AM 0.02 0.9 M 7.5 M
2/25/2010 7:00 AM 0.26 4.0 M 10.6 M
2/26/2010 6:00 AM 0.00 0.0 M 9.5 M
2/27/2010 7:00 AM 0.01 0.3 M 9.5 M
2/28/2010 7:00 AM 0.00 0.0 M 9.0 M
3/1/2010 7:00 AM T T M 7.8 M
3/2/2010 7:00 AM 0.00 0.0 M 7.5 M
3/3/2010 7:00 AM 0.00 0.0 M 7.5 M
3/4/2010 7:00 AM 0.00 0.0 M 6.7 M
3/5/2010 7:00 AM 0.00 0.0 M 6.2 M
3/6/2010 7:00 AM 0.00 0.0 M 5.5 M
3/7/2010 7:00 AM 0.00 0.0 M 4.7 M
3/8/2010 7:00 AM 0.00 0.0 M 4.0 M
3/9/2010 7:00 AM 0.00 0.0 M 3.0 M
3/10/2010 7:00 AM 0.08 0.0 M 1.0 M
3/11/2010 7:00 AM 0.03 0.0 M 0.5 M
3/12/2010 6:00 AM 0.28 0.0 M T M
3/13/2010 7:00 AM 0.48 0.0 M T M
3/14/2010 7:00 AM 0.18 0.0 M 0.0 M
3/15/2010 7:00 AM 0.00 0.0 M 0.0 M
3/16/2010 7:00 AM T 0.0 M 0.0 M
3/17/2010 7:00 AM 0.00 0.0 M M M
3/18/2010 7:00 AM 0.00 0.0 M M M
3/19/2010 7:00 AM 0.00 0.0 M M M
3/20/2010 7:00 AM 0.19 1.0 0.19 1.0 0.19 It is presently snowing at a moderate rate. The snow is barely sticking to the paved surfaces yet but is accumulating on the grass.
3/21/2010 7:00 AM 0.65 4.0 M 4.5 M Although the temperature hardly fell below the freezing point, an appreciable amount of snow fell (4") in the last 24 hrs. Little remains on paved surfaces.
3/22/2010 7:00 AM 0.00 0.0 M 0.5 M
3/23/2010 7:00 AM 0.00 0.0 M T M
3/24/2010 7:00 AM 0.00 0.0 M 0.0 M
3/25/2010 7:00 AM 0.04 M M M M
3/26/2010 7:00 AM 0.00 0.0 M M M
3/27/2010 7:00 AM 0.00 0.0 M M M
3/28/2010 7:00 AM 0.00 0.0 M M M
3/29/2010 6:00 AM 0.00 0.0 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
4/3/2010 7:00 AM T M M M M A very light mist is now starting to fall.
4/4/2010 7:00 AM 0.13 M M M M
4/5/2010 7:00 AM 0.82 M M M M
4/6/2010 7:00 AM 0.42 M M M M
4/7/2010 7:00 AM 0.66 M M M M
4/8/2010 7:00 AM 0.12 M M M M
4/9/2010 7:00 AM T T M M M
4/10/2010 7:00 AM 0.00 0.0 M M M
4/11/2010 7:00 AM 0.00 0.0 M M M
4/12/2010 5:00 AM 0.00 0.0 M M M
4/13/2010 7:00 AM T M 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
4/16/2010 7:00 AM 0.00 0.0 M M M
4/17/2010 7:00 AM 0.00 0.0 M M M
4/18/2010 7:00 AM 0.00 0.0 M M M
4/19/2010 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 6:00 AM 0.00 0.0 M M M
4/28/2010 7:00 AM 0.00 0.0 M M M
4/29/2010 7:00 AM 0.00 0.0 M M M
4/30/2010 7:00 AM 0.00 0.0 M M M
5/1/2010 7:00 AM 0.23 M M M M
5/2/2010 7:00 AM 1.05 M M M M
5/3/2010 6:00 AM 0.00 0.0 M M M
5/4/2010 7:00 AM 0.00 0.0 M M M
5/5/2010 7:00 AM 0.00 0.0 M M M
5/6/2010 7:00 AM 0.00 0.0 M M M
5/7/2010 8:30 AM 0.59 M M M M
5/8/2010 7:00 AM 0.09 M M M M
5/9/2010 7:00 AM 0.03 M M M M
5/10/2010 6:00 AM 0.00 0.0 M M M
5/11/2010 7:00 AM 0.74 M M M M
5/12/2010 7:00 AM 0.34 M M M M
5/13/2010 6:00 AM 2.28 M M M M After a series of very heavy thunderstorms, light rain continues here at the present time.
5/14/2010 7:00 AM 0.38 M M M M
5/15/2010 7:00 AM 0.00 0.0 M M M
5/16/2010 7:00 AM 0.00 0.0 M M M
5/17/2010 7:00 AM T M M M M
5/18/2010 7:00 AM 0.00 0.0 M M M
5/19/2010 7:00 AM T M M M M
5/20/2010 7:00 AM 0.00 0.0 M M M
5/21/2010 5:30 AM 0.26 M M M M Only a very slight drizzle is occurring at the present time here.
5/22/2010 7:00 AM 0.06 M M M M
5/23/2010 7:00 AM 0.00 0.0 M M M
5/24/2010 5:30 AM 0.00 0.0 M M M
5/25/2010 7:00 AM 0.00 0.0 M M M
5/26/2010 7:00 AM 0.00 0.0 M M M
6/6/2010 7:00 AM 0.39 M M M M
6/7/2010 7:00 AM 0.55 M M M M
6/8/2010 7:00 AM 0.03 M M M M
6/9/2010 7:00 AM 0.37 M M M M
6/10/2010 7:00 AM 0.00 0.0 M M M
6/11/2010 7:00 AM 0.00 0.0 M M M
6/12/2010 7:00 AM 0.00 0.0 M M M
6/13/2010 7:00 AM 0.06 M M M M
6/14/2010 7:00 AM 0.03 M M M M
6/15/2010 7:00 AM 0.03 M M M M
6/16/2010 7:00 AM 0.20 M M M M
6/17/2010 7:00 AM 0.00 0.0 M M M
6/18/2010 7:00 AM T M M M M
6/19/2010 7:00 AM 0.92 M M M M 0.54" of the above precipitation fell between 4 and 4:30 p.m. The balance fell after 9:30 p.m.
6/20/2010 7:00 AM 0.00 0.0 M M M
6/21/2010 7:00 AM T M M M M
6/22/2010 7:00 AM T M M M M
6/23/2010 7:00 AM 0.14 M M M M Rain commenced falling this a.m. at 6:30 at a rate of 0.3"/hr.
6/24/2010 7:00 AM 0.68 M M M M
6/25/2010 7:00 AM 0.00 0.0 M M M
6/26/2010 7:00 AM 0.24 M M M M
6/27/2010 7:00 AM 0.00 0.0 M M M
6/28/2010 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
7/5/2010 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 0.02 M M M M A brief shower occurred here around 8 p.m. last evening.
7/8/2010 7:00 AM 0.39 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
7/11/2010 7:00 AM 0.00 0.0 M M M
7/12/2010 7:00 AM 0.25 M M M M
7/13/2010 7:00 AM 0.02 M M M M
7/14/2010 7:00 AM 0.00 0.0 M M M
7/15/2010 7:00 AM T M 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 T M M M M
7/20/2010 7:00 AM T M M M M
7/21/2010 7:00 AM T M M M M
7/22/2010 7:00 AM 0.00 0.0 M M M
7/23/2010 7:00 AM 0.25 M M M M
7/24/2010 7:00 AM 4.10 M M M M
7/25/2010 7:00 AM 0.17 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 0.00 0.0 M M M
7/30/2010 7:00 AM T M M M M
7/31/2010 7:00 AM 1.88 M M M M
8/1/2010 7:00 AM 0.04 M M M M
8/2/2010 7:00 AM 0.00 0.0 M M M
8/3/2010 7:00 AM 0.11 M M M M
8/4/2010 7:00 AM 0.06 M M M M It has turned very dark and has just commenced raining here in this last minute at 6:55 am.
8/5/2010 7:00 AM 0.94 M M M M
8/6/2010 7:00 AM 0.00 0.0 M M M
8/7/2010 7:00 AM 0.00 0.0 M M M
8/9/2010 7:00 AM 0.39 M M M M
8/10/2010 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 6:00 AM 0.00 0.0 M M M
8/14/2010 7:00 AM 0.08 M M M M
8/15/2010 7:00 AM 0.00 0.0 M M M
8/16/2010 7:00 AM 0.00 0.0 M M M
8/17/2010 7:00 AM 0.00 0.0 M M M
8/18/2010 7:00 AM 0.03 M M M M
8/19/2010 7:00 AM 0.00 0.0 M M M
8/20/2010 6:00 AM 0.00 0.0 M M M
8/21/2010 7:00 AM 0.56 M M M M
8/22/2010 7:00 AM T M 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
8/31/2010 7:00 AM 0.00 0.0 M M M
9/3/2010 7:00 AM 1.61 M M M M
9/4/2010 7:00 AM 0.00 0.0 M M M
9/5/2010 7:00 AM 0.00 0.0 M M M
9/6/2010 6:00 AM 0.04 M M M M
9/7/2010 7:00 AM T M M M M
9/8/2010 7:00 AM 0.00 0.0 M M M
9/9/2010 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 0.05 M M M M A light sprinkle commenced falling here at 2:35 a.m.
9/12/2010 7:00 AM 0.49 M M M M
9/13/2010 7:00 AM 0.00 0.0 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 0.01 M M M M
9/17/2010 7:00 AM 0.24 M M M M
9/18/2010 7:00 AM 0.00 0.0 M M M
9/19/2010 7:00 AM 0.22 M M M M
9/20/2010 7:00 AM T M M M M
9/21/2010 7:00 AM 0.01 M M M M
9/22/2010 7:00 AM 0.38 M M M M Tremendous wind gusts (reportedly up to 60 mph) were experienced here for about 10 minutes last evening at 6:20 p.m. These were accompanied by several very loud thunderclaps and driven rain.
9/23/2010 7:00 AM 0.01 M M M M
9/24/2010 7:00 AM 0.16 0.0 M M M
9/25/2010 7:00 AM 0.01 M M M M
9/26/2010 7:00 AM 0.00 0.0 M M M
9/27/2010 6:00 AM 0.00 0.0 M M M
9/28/2010 7:00 AM 0.00 0.0 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
9/23/2009 10/14/2009 5:30 AM 22 2.43 M M
10/22/2009 10/26/2009 7:00 AM 5 2.68 M M
4/21/2010 4/27/2010 7:00 AM 7 0.65 M M
9/1/2010 9/02/2010 6:00 AM 2 0.31 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
4/6/2010 7:40 AM Five minutes of a hailstorm where the stones ranged from 3/8" to 5/8" in diameter was followed by a severe downpour when the rain fell at a rate in excess of 3"/hr for a bit less than 10 minutes. 5/8" 1/2" Grape 3/8" White Ice 5 3min no damage Continuous False Before rain Same time as smaller hail