Station Overview Station Location
Station Number VA-FD-5 Latitude 39.224056
Station Name Winchester 5.1 NE Longitude -78.103917
County Frederick Elevation (ft) 620



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 2.94 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Nov 09 3.24 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Dec 09 2.62 2.43 14 2.43 14 0.00 0 0 4 3 20.1 3 13
Jan 10 2.34 3.60 31 3.60 31 0.00 0 0 9 7 8.1 4 10
Feb 10 2.35 3.99 28 3.99 28 0.00 0 0 7 5 37.7 7 28
March 10 3.49 5.74 31 5.74 31 0.00 0 0 12 3 0.0 0 3
April 10 3.15 1.78 30 1.78 30 0.00 0 0 8 1 0.0 0 0
May 10 3.73 2.76 31 2.76 31 0.00 0 0 10 5 0.0 0 0
June 10 3.65 2.36 30 2.36 30 0.00 0 0 12 2 0.0 0 0
July 10 3.50 1.98 32 1.29 23 0.69 9 1 3 2 0.0 0 0
Aug 10 3.18 1.15 31 1.15 31 0.00 0 0 10 4 0.0 0 0
Sept 10 3.82 3.28 30 3.28 30 0.00 0 0 5 1 0.0 0 0
Water Year Totals: 38.01" 29.07" 288 days 28.38" 279 0.69" 9 days 1 80 days 33 days 65.9" 14 days 54 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
10/15/2009
10/16/2009
10/17/2009
10/18/2009
10/19/2009
10/20/2009
10/21/2009
10/22/2009
10/23/2009
10/24/2009
10/25/2009
10/26/2009
10/27/2009
10/28/2009
10/29/2009
10/30/2009
10/31/2009
11/1/2009
11/2/2009
11/3/2009
11/4/2009
11/5/2009
11/6/2009
11/7/2009
11/8/2009
11/9/2009
11/10/2009
11/11/2009
11/12/2009
11/13/2009
11/14/2009
11/15/2009
11/16/2009
11/17/2009
11/18/2009
11/19/2009
11/20/2009
11/21/2009
11/22/2009
11/23/2009
11/24/2009
11/25/2009
11/26/2009
11/27/2009
11/28/2009
11/29/2009
11/30/2009
12/1/2009
12/2/2009
12/3/2009
12/4/2009
12/5/2009
12/6/2009
12/7/2009
12/8/2009
12/9/2009
12/10/2009
12/11/2009
12/12/2009
12/13/2009
12/14/2009
12/15/2009
12/16/2009
12/17/2009
12/18/2009 0.00
12/19/2009 0.67
12/20/2009 0.96
12/21/2009 0.00
12/22/2009 0.00
12/23/2009 0.00
12/24/2009 0.00
12/25/2009 T
12/26/2009 0.69
12/27/2009 T
12/28/2009 0.00
12/29/2009 T
12/30/2009 0.00
12/31/2009 0.11
Day of YearDaily PrcpMultiday Prcp
1/1/2010 0.03
1/2/2010 T
1/3/2010 T
1/4/2010 0.00
1/5/2010 0.00
1/6/2010 T
1/7/2010 0.00
1/8/2010 0.05
1/9/2010 0.00
1/10/2010 0.00
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 0.13
1/18/2010 0.59
1/19/2010 0.00
1/20/2010 T
1/21/2010 0.00
1/22/2010 0.43
1/23/2010 0.06
1/24/2010 0.00
1/25/2010 1.97
1/26/2010 0.05
1/27/2010 T
1/28/2010 0.00
1/29/2010 0.00
1/30/2010 T
1/31/2010 0.29
2/1/2010 0.00
2/2/2010 0.00
2/3/2010 0.26
2/4/2010 T
2/5/2010 0.00
2/6/2010 2.53
2/7/2010 0.77
2/8/2010 0.00
2/9/2010 0.00
2/10/2010 0.35
2/11/2010 0.05
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 T
2/19/2010 T
2/20/2010 0.00
2/21/2010 0.00
2/22/2010 0.00
2/23/2010 0.01
2/24/2010 0.00
2/25/2010 0.00
2/26/2010 T
2/27/2010 T
2/28/2010 0.00
3/1/2010 T
3/2/2010 0.00
3/3/2010 0.06
3/4/2010 T
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 0.00
3/11/2010 0.00
3/12/2010 1.53
3/13/2010 1.42
3/14/2010 0.44
3/15/2010 0.41
3/16/2010 0.01
3/17/2010 0.00
3/18/2010 0.00
3/19/2010 0.00
3/20/2010 0.00
3/21/2010 0.00
3/22/2010 0.03
3/23/2010 0.10
3/24/2010 0.04
3/25/2010 0.00
3/26/2010 0.34
3/27/2010 T
3/28/2010 0.00
3/29/2010 1.34
3/30/2010 0.02
3/31/2010 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2010 0.00
4/2/2010 0.00
4/3/2010 0.00
4/4/2010 0.00
4/5/2010 0.00
4/6/2010 0.00
4/7/2010 0.00
4/8/2010 0.00
4/9/2010 0.22
4/10/2010 0.00
4/11/2010 0.00
4/12/2010 0.00
4/13/2010 0.00
4/14/2010 0.11
4/15/2010 0.00
4/16/2010 0.00
4/17/2010 0.08
4/18/2010 0.00
4/19/2010 0.00
4/20/2010 0.00
4/21/2010 0.06
4/22/2010 0.02
4/23/2010 T
4/24/2010 0.00
4/25/2010 0.14
4/26/2010 0.92
4/27/2010 0.23
4/28/2010 0.00
4/29/2010 0.00
4/30/2010 0.00
5/1/2010 0.00
5/2/2010 0.00
5/3/2010 0.36
5/4/2010 0.00
5/5/2010 0.00
5/6/2010 0.00
5/7/2010 0.00
5/8/2010 0.01
5/9/2010 0.00
5/10/2010 T
5/11/2010 0.00
5/12/2010 0.29
5/13/2010 0.29
5/14/2010 T
5/15/2010 T
5/16/2010 0.00
5/17/2010 0.22
5/18/2010 0.71
5/19/2010 T
5/20/2010 T
5/21/2010 0.00
5/22/2010 0.00
5/23/2010 0.31
5/24/2010 0.35
5/25/2010 0.02
5/26/2010 0.00
5/27/2010 0.00
5/28/2010 0.20
5/29/2010 0.00
5/30/2010 0.00
5/31/2010 0.00
6/1/2010 T
6/2/2010 0.00
6/3/2010 0.00
6/4/2010 0.23
6/5/2010 0.06
6/6/2010 0.06
6/7/2010 0.37
6/8/2010 0.00
6/9/2010 0.17
6/10/2010 0.18
6/11/2010 0.00
6/12/2010 0.00
6/13/2010 0.92
6/14/2010 0.00
6/15/2010 0.01
6/16/2010 0.08
6/17/2010 0.18
6/18/2010 0.00
6/19/2010 0.00
6/20/2010 0.01
6/21/2010 0.00
6/22/2010 0.00
6/23/2010 0.00
6/24/2010 0.00
6/25/2010 T
6/26/2010 0.00
6/27/2010 0.00
6/28/2010 0.00
6/29/2010 0.09
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 0.00
7/9/2010 0.00
7/10/2010 0.91 **
7/11/2010 **
7/12/2010 **
7/13/2010 **
7/14/2010 **
7/15/2010 **
7/16/2010 **
7/17/2010 **
7/18/2010 0.69
7/19/2010 0.04
7/20/2010 T
7/21/2010 0.00
7/22/2010 0.00
7/23/2010 0.00
7/24/2010 0.00
7/25/2010 0.00
7/26/2010 0.34
7/27/2010 0.00
7/28/2010 0.00
7/29/2010 0.00
7/30/2010 T
7/31/2010 0.00
8/1/2010 T
8/2/2010 0.00
8/3/2010 0.00
8/4/2010 T
8/5/2010 0.01
8/6/2010 0.03
8/7/2010 0.00
8/8/2010 0.00
8/9/2010 0.00
8/10/2010 0.00
8/11/2010 0.00
8/12/2010 0.00
8/13/2010 0.35
8/14/2010 0.10
8/15/2010 T
8/16/2010 0.22
8/17/2010 0.01
8/18/2010 T
8/19/2010 0.22
8/20/2010 0.00
8/21/2010 0.00
8/22/2010 0.01
8/23/2010 0.00
8/24/2010 0.17
8/25/2010 0.03
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 0.00
9/3/2010 0.00
9/4/2010 0.00
9/5/2010 0.00
9/6/2010 0.00
9/7/2010 0.00
9/8/2010 0.00
9/9/2010 0.00
9/10/2010 0.00
9/11/2010 0.00
9/12/2010 0.41
9/13/2010 0.00
9/14/2010 0.00
9/15/2010 0.00
9/16/2010 0.00
9/17/2010 0.41
9/18/2010 0.00
9/19/2010 0.00
9/20/2010 0.00
9/21/2010 0.00
9/22/2010 0.00
9/23/2010 0.00
9/24/2010 T
9/25/2010 0.00
9/26/2010 0.00
9/27/2010 0.47
9/28/2010 0.84
9/29/2010 0.00
9/30/2010 1.15



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
12/18/2009 7:00 AM 0.00 0.0 M M M
12/19/2009 7:00 AM 0.67 8.2 M 8.2 M
12/20/2009 7:00 AM 0.96 9.8 M 18.0 M
12/21/2009 8:00 AM 0.00 0.0 M 14.0 M
12/22/2009 8:00 AM 0.00 0.0 M 11.5 M
12/23/2009 8:00 AM 0.00 0.0 M 10.0 M
12/24/2009 9:00 AM 0.00 0.0 M 8.0 M
12/25/2009 9:00 AM T T M 7.0 M Light sleet occurring at observation time.
12/26/2009 9:00 AM 0.69 T M 4.5 M
12/27/2009 9:00 AM T 0.0 M 2.0 M
12/28/2009 9:00 AM 0.00 0.0 M 1.0 M
12/29/2009 9:00 AM T T M 1.0 M
12/30/2009 9:00 AM 0.00 0.0 M 1.0 M
12/31/2009 9:00 AM 0.11 2.1 M 3.0 M
1/1/2010 9:00 AM 0.03 0.0 M 1.5 M
1/2/2010 9:00 AM T T M 1.0 M
1/3/2010 9:00 AM T T M 1.0 M
1/4/2010 9:00 AM 0.00 0.0 M 1.0 M
1/5/2010 9:00 AM 0.00 0.0 M 1.0 M
1/6/2010 9:00 AM T T M 1.0 M
1/7/2010 8:00 AM 0.00 0.0 M 0.0 M
1/8/2010 9:00 AM 0.05 1.0 M 1.0 M Blowing snow.
1/9/2010 9:00 AM 0.00 0.0 M 1.0 M
1/10/2010 9:00 AM 0.00 0.0 M 0.0 M
1/11/2010 9:00 AM 0.00 0.0 M 0.0 M
1/12/2010 9:00 AM T T M 0.0 M
1/13/2010 9:00 AM 0.00 0.0 M 0.0 M
1/14/2010 9:00 AM 0.00 0.0 M 0.0 M
1/15/2010 9:00 AM 0.00 0.0 M 0.0 M
1/16/2010 9:00 AM 0.00 0.0 M 0.0 M
1/17/2010 9:00 AM 0.13 0.0 M 0.0 M
1/18/2010 9:00 AM 0.59 0.0 M 0.0 M
1/19/2010 9:00 AM 0.00 0.0 M 0.0 M
1/20/2010 9:00 AM T 0.0 M 0.0 M
1/21/2010 9:00 AM 0.00 0.0 M 0.0 M
1/22/2010 9:00 AM 0.43 0.6 M 0.5 M A mixture of sleet, snow, freezing rain, and rain developed Thursday evening and peaked between 8 and 10 PM. At observation time, light freezing drizzle and 32 degrees. Area schools are closed.
1/23/2010 9:00 AM 0.06 0.2 M 0.0 M
1/24/2010 9:00 AM 0.00 0.0 M 0.0 M
1/25/2010 9:00 AM 1.97 0.0 M 0.0 M
1/26/2010 9:00 AM 0.05 0.0 M 0.0 M
1/27/2010 9:00 AM T T M 0.0 M
1/28/2010 9:00 AM 0.00 0.0 M 0.0 M
1/29/2010 9:00 AM 0.00 0.0 M 0.0 M
1/30/2010 9:00 AM T T M 0.0 M Flurries just beginning to fall at observation time.
1/31/2010 9:00 AM 0.29 6.3 M 6.0 M Heaviest snow between 10 AM and 3 PM.
2/1/2010 9:00 AM 0.00 0.0 M 3.0 M
2/2/2010 9:00 AM 0.00 0.0 M 1.5 M
2/3/2010 9:00 AM 0.26 5.2 M 6.5 M Heavy and wet snowfall.
2/4/2010 9:00 AM T T M 3.5 M
2/5/2010 9:00 AM 0.00 0.0 M 1.5 M
2/6/2010 9:00 AM 2.53 21.5 M 22.0 M
2/7/2010 9:00 AM 0.77 5.5 M 28.0 M
2/8/2010 9:00 AM 0.00 0.0 M 23.0 M
2/9/2010 9:00 AM 0.00 0.0 M 22.0 M
2/10/2010 9:00 AM 0.35 4.5 M 25.0 M
2/11/2010 9:00 AM 0.05 0.5 M 24.0 M
2/12/2010 9:00 AM 0.00 0.0 M 22.0 M
2/13/2010 9:00 AM 0.00 0.0 M 20.0 M
2/14/2010 9:00 AM 0.00 0.0 M 17.0 M
2/15/2010 9:00 AM 0.00 0.0 M 15.0 M
2/16/2010 9:00 AM 0.02 0.4 M 14.0 M
2/17/2010 9:00 AM 0.00 0.0 M 14.0 M
2/18/2010 9:00 AM T T M 12.5 M
2/19/2010 9:00 AM T T M 11.0 M
2/20/2010 9:00 AM 0.00 0.0 M 10.0 M
2/21/2010 9:00 AM 0.00 0.0 M 9.0 M
2/22/2010 9:00 AM 0.00 0.0 M 7.5 M
2/23/2010 8:30 AM 0.01 0.0 M 6.0 M
2/24/2010 9:00 AM 0.00 0.0 M 5.0 M
2/25/2010 9:00 AM 0.00 0.0 M 4.0 M
2/26/2010 8:30 AM T 0.1 M 3.0 M
2/27/2010 9:00 AM T T M 3.0 M
2/28/2010 9:00 AM 0.00 0.0 M 2.0 M
3/1/2010 9:00 AM T T M 1.0 M
3/2/2010 9:00 AM 0.00 0.0 M 1.0 M
3/3/2010 9:00 AM 0.06 T M 0.5 M
3/4/2010 9:00 AM T 0.0 M 0.0 M
3/5/2010 9:00 AM 0.00 0.0 M 0.0 M
3/6/2010 9:00 AM 0.00 0.0 M 0.0 M
3/7/2010 9:00 AM 0.00 0.0 M 0.0 M
3/8/2010 9:00 AM 0.00 0.0 M 0.0 M
3/9/2010 9:00 AM 0.00 0.0 M 0.0 M
3/10/2010 9:00 AM 0.00 0.0 M 0.0 M
3/11/2010 9:00 AM 0.00 0.0 M 0.0 M
3/12/2010 8:45 AM 1.53 0.0 M 0.0 M
3/13/2010 9:00 AM 1.42 0.0 M 0.0 M Light rain and 50 degrees at observation time. Minor flooding of streams across the county is occurring with a Flood Warning in effect until 12:15 PM. Storm total of 2.95" since 10 PM Thursday evening.
3/14/2010 9:00 AM 0.44 0.0 M 0.0 M Storm total rainfall of 3.39" as of 9 AM EDT Sunday. Currently light rain and 45 degrees. Minor flooding across the county with lots of ponding water in low-lying areas.
3/15/2010 9:00 AM 0.41 0.0 M 0.0 M Most of the rain fell from 9 AM to 2 PM Sunday (03/14) for a total of 3.80" since Thursday night (03/11). Minor flooding continues, but is beginning to subside. At observation time light rain and 45 degrees.
3/16/2010 9:00 AM 0.01 0.0 M 0.0 M
3/17/2010 9:00 AM 0.00 0.0 M 0.0 M
3/18/2010 9:00 AM 0.00 0.0 M 0.0 M
3/19/2010 9:00 AM 0.00 0.0 M 0.0 M
3/20/2010 9:00 AM 0.00 0.0 M 0.0 M
3/21/2010 9:00 AM 0.00 0.0 M 0.0 M
3/22/2010 9:00 AM 0.03 0.0 M 0.0 M
3/23/2010 9:00 AM 0.10 0.0 M 0.0 M
3/24/2010 9:00 AM 0.04 0.0 M 0.0 M
3/25/2010 9:00 AM 0.00 0.0 M 0.0 M
3/26/2010 9:00 AM 0.34 0.0 M 0.0 M Light drizzle occurring at observation time with a temperature of 41 degrees.
3/27/2010 9:00 AM T 0.0 M 0.0 M
3/28/2010 9:00 AM 0.00 0.0 M 0.0 M
3/29/2010 9:00 AM 1.34 0.0 M 0.0 M
3/30/2010 9:00 AM 0.02 0.0 M 0.0 M
3/31/2010 9:00 AM 0.00 0.0 M 0.0 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 9:00 AM 0.00 0.0 M M M
4/4/2010 9:00 AM 0.00 0.0 M M M
4/5/2010 9:00 AM 0.00 0.0 M M M
4/6/2010 9:00 AM 0.00 0.0 M M M
4/7/2010 9:00 AM 0.00 0.0 M M M
4/8/2010 9:00 AM 0.00 0.0 M M M
4/9/2010 9:00 AM 0.22 M M M M
4/10/2010 9:00 AM 0.00 0.0 M M M
4/11/2010 9:00 AM 0.00 0.0 M M M
4/12/2010 9:00 AM 0.00 0.0 M M M
4/13/2010 9:00 AM 0.00 0.0 M M M
4/14/2010 9:00 AM 0.11 M M M M
4/15/2010 9:00 AM 0.00 0.0 M M M
4/16/2010 9:00 AM 0.00 0.0 M M M
4/17/2010 9:00 AM 0.08 M M M M
4/18/2010 9:00 AM 0.00 0.0 M M M
4/19/2010 9:00 AM 0.00 0.0 M M M
4/20/2010 9:00 AM 0.00 0.0 M M M
4/21/2010 9:00 AM 0.06 M M M M
4/22/2010 9:00 AM 0.02 M M M M
4/23/2010 9:00 AM T M M M M
4/24/2010 9:00 AM 0.00 0.0 M M M
4/25/2010 9:00 AM 0.14 M M M M
4/26/2010 9:00 AM 0.92 M M M M Raining at observation time. Several thunderstorms moved just north and west of the station during the late afternoon. A more substantial thunderstorm hit between 8:30 and 9:00 PM which contained nearly continuous lightning and very brief, small hail (< marble size).
4/27/2010 9:00 AM 0.23 M M M M
4/28/2010 9:00 AM 0.00 0.0 M M M
4/29/2010 9:00 AM 0.00 0.0 M M M
4/30/2010 9:00 AM 0.00 0.0 M M M
5/1/2010 9:00 AM 0.00 0.0 M M M
5/2/2010 9:00 AM 0.00 0.0 M M M
5/3/2010 9:00 AM 0.36 M M M M
5/4/2010 9:00 AM 0.00 0.0 M M M
5/5/2010 9:00 AM 0.00 0.0 M M M
5/6/2010 9:00 AM 0.00 0.0 M M M
5/7/2010 9:00 AM 0.00 0.0 M M M
5/8/2010 9:00 AM 0.01 M M M M
5/9/2010 9:00 AM 0.00 0.0 M M M
5/10/2010 9:00 AM T M M M M
5/11/2010 9:00 AM 0.00 0.0 M M M
5/12/2010 9:00 AM 0.29 M M M M
5/13/2010 9:00 AM 0.29 M M M M
5/14/2010 9:00 AM T M M M M
5/15/2010 9:00 AM T 0.0 M M M
5/16/2010 9:00 AM 0.00 0.0 M M M
5/17/2010 9:00 AM 0.22 M M M M
5/18/2010 9:00 AM 0.71 M M M M
5/19/2010 9:00 AM T M M M M
5/20/2010 9:00 AM T M M M M
5/21/2010 9:00 AM 0.00 0.0 M M M
5/22/2010 9:00 AM 0.00 0.0 M M M
5/23/2010 9:00 AM 0.31 M M M M
5/24/2010 9:00 AM 0.35 M M M M
5/25/2010 9:00 AM 0.02 M 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 9:00 AM 0.20 M M M M Thunderstorm developed near and south of this location between 9:30 and 10:00 PM 05/27. Frequent to continuous lightning.
5/29/2010 9:00 AM 0.00 0.0 M M M
5/30/2010 9:00 AM 0.00 0.0 M M M
5/31/2010 9:00 AM 0.00 0.0 M M M
6/1/2010 8:00 AM T M M M M
6/2/2010 9:00 AM 0.00 0.0 M M M
6/3/2010 9:00 AM 0.00 0.0 M M M
6/4/2010 9:00 AM 0.23 M M M M Several developing thunderstorms affected the county between 3 and 4:30 PM. The main cell, that ended out prompting a Severe Thunderstorm Warning from Frederick County eastward, passed to the south of this station.
6/5/2010 9:00 AM 0.06 M M M M Thundershower between 2:30 and 3:00 PM 06/04/10. Several thunderstorms in the area later in the afternoon to the north and south of station.
6/6/2010 9:00 AM 0.06 M M M M Considerable cloudiness all day with light showers late morning/early afternoon, and then around sunset (between 8 and 10 PM).
6/7/2010 8:45 AM 0.37 M M M M Thunderstorm with strong winds moved through between 12:45 and 2:30 PM (0.36"). Tornado Watch and Severe Thunderstorm Warning were out for Frederick County and City of Winchester, but no severe weather or damage at this location. Another shower apparently occurred overnight, at about 3:30 AM according to weather station (0.01").
6/8/2010 9:00 AM 0.00 0.0 M M M
6/9/2010 9:00 AM 0.17 M M M M Light rain began about 5:30 AM and was occurring at observation time.
6/10/2010 9:00 AM 0.18 M M M M Showers in the morning and early afternoon. Measurable rainfall ended at 2 PM.
6/11/2010 9:00 AM 0.00 0.0 M M M
6/12/2010 9:00 AM 0.00 0.0 M M M
6/13/2010 9:00 AM 0.92 M M M M Two thunderstorms occurred during the afternoon. The first storm passed to the north of station between 2:30 and 3:00 PM and produced 0.05" of rain. The second storm, a direct hit, occurred between 5:30 PM and 6:30 PM dumping 0.87" of rain. My weather station recorded a rainfall rate of 6.7"/hour during the second storm.
6/14/2010 9:00 AM 0.00 0.0 M M M
6/15/2010 9:00 AM 0.01 M M M M Light rain shower between 6:00 and 6:30 PM in the evening.
6/16/2010 9:00 AM 0.08 M M M M Thundershower between 5:30 and 6:15 AM 06/16/2010.
6/17/2010 9:00 AM 0.18 M M M M Several developing thunderstorms affected the area during the day. (11:30 AM - 12:00 PM, 3:30 - 4:00 PM, and 5:00 - 5:30 PM)
6/18/2010 9:00 AM 0.00 0.0 M M M
6/19/2010 9:00 AM 0.00 0.0 M M M
6/20/2010 9:00 AM 0.01 M M M M Grazed by thunderstorm that moved north of station around 11 PM Saturday evening (6/19/10).
6/21/2010 9:00 AM 0.00 0.0 M M M
6/22/2010 9:00 AM 0.00 0.0 M M M
6/23/2010 9:00 AM 0.00 0.0 M M M
6/24/2010 9:00 AM 0.00 0.0 M M M
6/25/2010 9:00 AM T M M M M
6/26/2010 9:00 AM 0.00 0.0 M M M
6/27/2010 9:00 AM 0.00 0.0 M M M
6/28/2010 9:00 AM 0.00 0.0 M M M
6/29/2010 9:00 AM 0.09 M M M M
6/30/2010 9:00 AM 0.00 0.0 M M M
7/1/2010 9:00 AM 0.00 0.0 M M M
7/2/2010 9:00 AM 0.00 0.0 M M M
7/3/2010 9:00 AM 0.00 0.0 M M M
7/4/2010 9:00 AM 0.00 0.0 M M M
7/5/2010 9:00 AM 0.00 0.0 M M M
7/6/2010 9:00 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 0.00 0.0 M M M
7/9/2010 9:00 AM 0.00 0.0 M M M
7/10/2010 9:00 AM 0.91 M M M M Thunderstorms moved in around dusk with another round of showers overnight. Much needed rainfall as the ground is becoming quite parched. A nice break from the 100+ stretch too (3 consecutive days at or above 100 on the 6th, 7th, and 8th).
7/19/2010 9:00 AM 0.04 M M M M
7/20/2010 9:00 AM T M M M M
7/21/2010 9:00 AM 0.00 0.0 M M M
7/22/2010 9:00 AM 0.00 0.0 M M M
7/23/2010 9:00 AM 0.00 0.0 M M M
7/24/2010 9:00 AM 0.00 0.0 M M M
7/25/2010 9:00 AM 0.00 0.0 M M M
7/26/2010 9:00 AM 0.34 M M M M Severe thunderstorm occurred between 2:15 and 2:45 PM with high winds causing damage and power outages. 2 mature trees were uprooted in the Stephenson area with widespread small to medium tree branches downed. One home had siding blown off. Power was out to a large area on the north side of Winchester for about 6 hours Sunday evening.
7/27/2010 9:00 AM 0.00 0.0 M M M
7/28/2010 9:00 AM 0.00 0.0 M M M
7/29/2010 9:00 AM 0.00 0.0 M M M
7/30/2010 9:00 AM T M M M M
7/31/2010 9:00 AM 0.00 0.0 M M M
8/1/2010 9:00 AM T M M M M
8/2/2010 9:00 AM 0.00 0.0 M M M
8/3/2010 9:00 AM 0.00 0.0 M M M
8/4/2010 9:00 AM T M M M M
8/5/2010 9:00 AM 0.01 M M M M Thunderstorms all around the station between 6:30 PM and 8:00 PM 8/04, but nary a drop of rain here.
8/6/2010 9:00 AM 0.03 M M M M Several rounds of thunderstorms developed near and east of the station clobbering the DC area. Finally had a little bit of light rain between 5 and 6 in the evening.
8/7/2010 9:00 AM 0.00 0.0 M M M
8/8/2010 9:00 AM 0.00 0.0 M M M
8/9/2010 9:00 AM 0.00 0.0 M M M
8/10/2010 9:00 AM 0.00 0.0 M M M
8/11/2010 9:00 AM 0.00 0.0 M M M
8/12/2010 9:00 AM 0.00 0.0 M M M
8/13/2010 9:00 AM 0.35 M M M M
8/14/2010 9:00 AM 0.10 M M M M
8/15/2010 9:00 AM T M M M M
8/16/2010 9:00 AM 0.22 M M M M
8/17/2010 9:00 AM 0.01 M M M M
8/18/2010 9:00 AM T M M M M
8/19/2010 9:00 AM 0.22 M M M M
8/20/2010 9:00 AM 0.00 0.0 M M M
8/21/2010 9:00 AM 0.00 0.0 M M M
8/22/2010 9:00 AM 0.01 M M M M
8/23/2010 9:00 AM 0.00 0.0 M M M
8/24/2010 9:00 AM 0.17 M M M M
8/25/2010 9:00 AM 0.03 M M M M
8/26/2010 9:00 AM 0.00 0.0 M M M
8/27/2010 9:00 AM 0.00 0.0 M M M
8/28/2010 9:00 AM 0.00 0.0 M M M
8/29/2010 9:00 AM 0.00 0.0 M M M
8/30/2010 9:00 AM 0.00 0.0 M M M
8/31/2010 9:00 AM 0.00 0.0 M M M
9/1/2010 9:00 AM 0.00 0.0 M M M
9/2/2010 9:00 AM 0.00 0.0 M M M
9/3/2010 9:00 AM 0.00 0.0 M M M
9/4/2010 9:00 AM 0.00 0.0 M M M
9/5/2010 9:00 AM 0.00 0.0 M M M
9/6/2010 9:00 AM 0.00 0.0 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 9:00 AM 0.00 0.0 M M M
9/10/2010 9:00 AM 0.00 0.0 M M M
9/11/2010 9:00 AM 0.00 0.0 M M M
9/12/2010 9:00 AM 0.41 M M M M Much needed rain as the area is in an extreme drought. Thundershower occurred between 1 and 1:30 AM on 9/12 followed by a period of rain from 3 to 5 AM.
9/13/2010 9:00 AM 0.00 0.0 M M M
9/14/2010 9:00 AM 0.00 0.0 M M M
9/15/2010 9:00 AM 0.00 0.0 M M M
9/16/2010 9:00 AM 0.00 0.0 M M M
9/17/2010 9:00 AM 0.41 M M M M Light to occasionally moderate rain occurred during the mid/late afternoon and evening. 0.27" of rain fell during this time period. Between 11:30 PM and 12:00 AM a brief thunderstorm dumped an additional 0.14" for total of 0.41" for the 24-hour period.
9/18/2010 9:00 AM 0.00 0.0 M M M
9/19/2010 9:00 AM 0.00 0.0 M M M
9/20/2010 9:00 AM 0.00 0.0 M M M
9/21/2010 9:00 AM 0.00 0.0 M M M
9/22/2010 9:00 AM 0.00 0.0 M M M
9/23/2010 9:00 AM 0.00 0.0 M M M
9/24/2010 9:00 AM T M M M M
9/25/2010 9:00 AM 0.00 0.0 M M M
9/26/2010 9:00 AM 0.00 0.0 M M M
9/27/2010 9:00 AM 0.47 M M M M Steady light rainfall began overnight Sunday into Monday and continues at observation time.
9/28/2010 9:00 AM 0.84 M M M M Two day rain total of 1.31".
9/29/2010 9:00 AM 0.00 0.0 M M M
9/30/2010 8:45 AM 1.15 M M M M Light rain started around 330 PM Wednesday afternoon and tapered off around 7 PM. Steady rain redeveloped late Wednesday night at 11:30 PM and became heavy around 4 AM, continuing at observation time. A Flash Flood Watch is in effect for the region.



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
7/10/2010 7/18/2010 9:00 AM 9 0.69 0.0 0.00



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