Station Overview Station Location
Station Number VA-FX-53 Latitude 38.9083619
Station Name Mclean 2.4 SSE Longitude -77.1549129
County Fairfax Elevation (ft) 400



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 10 3.67 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Nov 10 3.44 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Dec 10 3.24 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Jan 11 3.03 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Feb 11 2.85 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
March 11 3.80 0.22 5 0.22 5 0.00 0 0 2 0 0.0 0 0
April 11 3.43 3.61 30 3.61 30 0.00 0 0 16 4 0.0 0 0
May 11 4.33 2.66 31 2.66 31 0.00 0 0 17 6 0.0 0 0
June 11 4.02 2.39 30 2.39 30 0.00 0 0 13 3 0.0 0 0
July 11 4.10 2.41 30 2.41 30 0.00 0 0 6 5 0.0 0 0
Aug 11 3.38 5.80 31 3.97 19 1.83 12 2 8 1 0.0 0 0
Sept 11 4.01 11.09 29 11.09 29 0.00 0 0 17 1 0.0 0 0
Water Year Totals: 43.30" 28.18" 186 days 26.35" 174 1.83" 12 days 2 79 days 20 days 0.0" 0 days 0 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
10/1/2010
10/2/2010
10/3/2010
10/4/2010
10/5/2010
10/6/2010
10/7/2010
10/8/2010
10/9/2010
10/10/2010
10/11/2010
10/12/2010
10/13/2010
10/14/2010
10/15/2010
10/16/2010
10/17/2010
10/18/2010
10/19/2010
10/20/2010
10/21/2010
10/22/2010
10/23/2010
10/24/2010
10/25/2010
10/26/2010
10/27/2010
10/28/2010
10/29/2010
10/30/2010
10/31/2010
11/1/2010
11/2/2010
11/3/2010
11/4/2010
11/5/2010
11/6/2010
11/7/2010
11/8/2010
11/9/2010
11/10/2010
11/11/2010
11/12/2010
11/13/2010
11/14/2010
11/15/2010
11/16/2010
11/17/2010
11/18/2010
11/19/2010
11/20/2010
11/21/2010
11/22/2010
11/23/2010
11/24/2010
11/25/2010
11/26/2010
11/27/2010
11/28/2010
11/29/2010
11/30/2010
12/1/2010
12/2/2010
12/3/2010
12/4/2010
12/5/2010
12/6/2010
12/7/2010
12/8/2010
12/9/2010
12/10/2010
12/11/2010
12/12/2010
12/13/2010
12/14/2010
12/15/2010
12/16/2010
12/17/2010
12/18/2010
12/19/2010
12/20/2010
12/21/2010
12/22/2010
12/23/2010
12/24/2010
12/25/2010
12/26/2010
12/27/2010
12/28/2010
12/29/2010
12/30/2010
12/31/2010
Day of YearDaily PrcpMultiday Prcp
1/1/2011
1/2/2011
1/3/2011
1/4/2011
1/5/2011
1/6/2011
1/7/2011
1/8/2011
1/9/2011
1/10/2011
1/11/2011
1/12/2011
1/13/2011
1/14/2011
1/15/2011
1/16/2011
1/17/2011
1/18/2011
1/19/2011
1/20/2011
1/21/2011
1/22/2011
1/23/2011
1/24/2011
1/25/2011
1/26/2011
1/27/2011
1/28/2011
1/29/2011
1/30/2011
1/31/2011
2/1/2011
2/2/2011
2/3/2011
2/4/2011
2/5/2011
2/6/2011
2/7/2011
2/8/2011
2/9/2011
2/10/2011
2/11/2011
2/12/2011
2/13/2011
2/14/2011
2/15/2011
2/16/2011
2/17/2011
2/18/2011
2/19/2011
2/20/2011
2/21/2011
2/22/2011
2/23/2011
2/24/2011
2/25/2011
2/26/2011
2/27/2011
2/28/2011
3/1/2011
3/2/2011
3/3/2011
3/4/2011
3/5/2011
3/6/2011
3/7/2011
3/8/2011
3/9/2011
3/10/2011
3/11/2011
3/12/2011
3/13/2011
3/14/2011
3/15/2011
3/16/2011
3/17/2011
3/18/2011
3/19/2011
3/20/2011
3/21/2011
3/22/2011
3/23/2011
3/24/2011
3/25/2011
3/26/2011
3/27/2011 0.04
3/28/2011 0.00
3/29/2011 0.00
3/30/2011 0.00
3/31/2011 0.18
Day of YearDaily PrcpMultiday Prcp
4/1/2011 0.17
4/2/2011 0.00
4/3/2011 0.05
4/4/2011 0.00
4/5/2011 0.25
4/6/2011 0.19
4/7/2011 0.00
4/8/2011 0.02
4/9/2011 0.35
4/10/2011 0.01
4/11/2011 T
4/12/2011 0.00
4/13/2011 0.77
4/14/2011 0.05
4/15/2011 T
4/16/2011 0.00
4/17/2011 1.09
4/18/2011 T
4/19/2011 0.00
4/20/2011 0.03
4/21/2011 T
4/22/2011 0.00
4/23/2011 0.45
4/24/2011 0.01
4/25/2011 0.04
4/26/2011 0.00
4/27/2011 0.00
4/28/2011 0.02
4/29/2011 0.11
4/30/2011 0.00
5/1/2011 0.00
5/2/2011 0.03
5/3/2011 0.01
5/4/2011 0.22
5/5/2011 0.22
5/6/2011 T
5/7/2011 T
5/8/2011 0.00
5/9/2011 0.00
5/10/2011 0.00
5/11/2011 0.00
5/12/2011 0.00
5/13/2011 0.01
5/14/2011 T
5/15/2011 0.41
5/16/2011 0.38
5/17/2011 0.33
5/18/2011 0.37
5/19/2011 0.28
5/20/2011 0.23
5/21/2011 0.01
5/22/2011 T
5/23/2011 0.06
5/24/2011 0.02
5/25/2011 0.04
5/26/2011 T
5/27/2011 T
5/28/2011 0.03
5/29/2011 0.01
5/30/2011 0.00
5/31/2011 0.00
6/1/2011 0.00
6/2/2011 0.03
6/3/2011 0.00
6/4/2011 0.00
6/5/2011 0.03
6/6/2011 T
6/7/2011 0.00
6/8/2011 0.00
6/9/2011 0.00
6/10/2011 0.17
6/11/2011 0.00
6/12/2011 0.00
6/13/2011 0.05
6/14/2011 0.00
6/15/2011 0.00
6/16/2011 0.00
6/17/2011 1.02
6/18/2011 0.04
6/19/2011 0.03
6/20/2011 0.31
6/21/2011 0.10
6/22/2011 0.01
6/23/2011 T
6/24/2011 T
6/25/2011 0.00
6/26/2011 0.00
6/27/2011 0.03
6/28/2011 0.01
6/29/2011 0.00
6/30/2011 0.56
Day of YearDaily PrcpMultiday Prcp
7/1/2011 0.00
7/2/2011 0.00
7/3/2011 0.89
7/4/2011 0.21
7/5/2011 T
7/6/2011 0.00
7/7/2011 0.06
7/8/2011 0.00
7/9/2011 0.12
7/10/2011 T
7/11/2011 0.00
7/12/2011 T
7/13/2011 0.00
7/14/2011 1.05
7/15/2011 T
7/16/2011 T
7/17/2011 0.00
7/18/2011 0.00
7/19/2011 0.00
7/20/2011 0.00
7/21/2011 0.00
7/22/2011 0.00
7/23/2011 0.00
7/24/2011 0.00
7/25/2011 0.00
7/26/2011 0.08
7/27/2011 0.00
7/28/2011
7/29/2011 0.00
7/30/2011 0.00
7/31/2011 0.00
8/1/2011 0.00
8/2/2011 0.01
8/3/2011 0.01
8/4/2011 0.15
8/5/2011 0.00
8/6/2011 0.00
8/7/2011 0.10
8/8/2011 0.45
8/9/2011 **
8/10/2011 **
8/11/2011 **
8/12/2011 **
8/13/2011 0.41
8/14/2011 **
8/15/2011 **
8/16/2011 **
8/17/2011 **
8/18/2011 **
8/19/2011 **
8/20/2011 1.42
8/21/2011 0.00
8/22/2011 0.00
8/23/2011 0.00
8/24/2011 0.00
8/25/2011 0.00
8/26/2011 0.59
8/27/2011 T
8/28/2011 2.51
8/29/2011 0.15
8/30/2011 0.00
8/31/2011 0.00
9/1/2011 0.00
9/2/2011 0.00
9/3/2011 0.00
9/4/2011 0.02
9/5/2011 0.00
9/6/2011 1.23
9/7/2011 0.76
9/8/2011 3.94
9/9/2011 3.21
9/10/2011 0.26
9/11/2011 0.00
9/12/2011 0.08
9/13/2011
9/14/2011 0.00
9/15/2011 0.00
9/16/2011 0.06
9/17/2011 0.00
9/18/2011 0.01
9/19/2011 0.00
9/20/2011 0.00
9/21/2011 0.20
9/22/2011 0.02
9/23/2011 T
9/24/2011 0.63
9/25/2011 0.02
9/26/2011 0.01
9/27/2011 0.01
9/28/2011 0.33
9/29/2011 0.30
9/30/2011 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
3/27/2011 11:00 AM 0.04 M M M M trace amount of snow
3/28/2011 11:00 AM 0.00 0.0 M M M
3/29/2011 8:00 AM 0.00 0.0 M M M
3/30/2011 8:00 AM 0.00 0.0 M M M
3/31/2011 7:00 AM 0.18 M M M M
4/1/2011 8:00 AM 0.17 M M M M
4/2/2011 11:00 PM 0.00 0.0 M M M
4/3/2011 7:20 AM 0.05 M M M M
4/4/2011 8:00 AM 0.00 0.0 M M M
4/5/2011 7:00 AM 0.25 M M M M
4/6/2011 7:00 AM 0.19 M M M M
4/7/2011 7:00 AM 0.00 0.0 M M M
4/8/2011 7:00 AM 0.02 M M M M
4/9/2011 7:00 AM 0.35 M M M M
4/10/2011 7:00 AM 0.01 M M M M
4/11/2011 8:00 AM T M M M M
4/12/2011 7:00 AM 0.00 0.0 M M M
4/13/2011 7:00 AM 0.77 M M M M
4/14/2011 7:00 AM 0.05 M M M M
4/15/2011 7:00 AM T M M M M morning dew
4/16/2011 7:00 AM 0.00 0.0 M M M
4/17/2011 7:00 AM 1.09 M M M M
4/18/2011 7:00 AM T M M M M Morning dew
4/19/2011 7:00 AM 0.00 0.0 M M M
4/20/2011 7:00 AM 0.03 M M M M
4/21/2011 7:00 AM T M M M M morning dew
4/22/2011 7:00 AM 0.00 0.0 M M M
4/23/2011 7:00 AM 0.45 M M M M
4/24/2011 7:00 AM 0.01 M M M M
4/25/2011 7:00 AM 0.04 M M M M
4/26/2011 7:00 AM 0.00 0.0 M M M
4/27/2011 7:00 AM 0.00 0.0 M M M
4/28/2011 7:00 AM 0.02 M M M M
4/29/2011 7:00 AM 0.11 M M M M
4/30/2011 7:00 AM 0.00 0.0 M M M
5/1/2011 7:00 AM 0.00 0.0 M M M
5/2/2011 7:00 AM 0.03 M M M M
5/3/2011 6:00 AM 0.01 M M M M
5/4/2011 7:00 AM 0.22 M M M M
5/5/2011 7:00 AM 0.22 M M M M
5/6/2011 7:00 AM T M M M M Morning dew
5/7/2011 7:00 AM T M M M M
5/8/2011 7:00 AM 0.00 0.0 M M M
5/9/2011 7:00 AM 0.00 0.0 M M M
5/10/2011 7:00 AM 0.00 0.0 M M M
5/11/2011 7:00 AM 0.00 0.0 M M M
5/12/2011 7:00 AM 0.00 0.0 M M M
5/13/2011 7:00 AM 0.01 0.0 M M M
5/14/2011 7:00 AM T M M M M
5/15/2011 7:00 AM 0.41 M M M M
5/16/2011 7:00 AM 0.38 M M M M
5/17/2011 7:00 AM 0.33 M M M M
5/18/2011 7:00 AM 0.37 M M M M
5/19/2011 7:00 AM 0.28 M M M M
5/20/2011 7:00 AM 0.23 M M M M
5/21/2011 7:00 AM 0.01 M M M M
5/22/2011 7:00 AM T M M M M
5/23/2011 7:00 AM 0.06 M M M M
5/24/2011 7:00 AM 0.02 M M M M
5/25/2011 7:00 AM 0.04 M M M M
5/26/2011 7:00 AM T M M M M
5/27/2011 7:00 AM T M M M M
5/28/2011 6:00 AM 0.03 M M M M
5/29/2011 7:00 AM 0.01 M M M M
5/30/2011 7:00 AM 0.00 0.0 M M M
5/31/2011 7:00 AM 0.00 0.0 M M M
6/1/2011 7:00 AM 0.00 0.0 M M M
6/2/2011 7:00 AM 0.03 M M M M
6/3/2011 7:00 AM 0.00 0.0 M M M
6/4/2011 7:00 AM 0.00 0.0 M M M
6/5/2011 7:00 AM 0.03 M M M M
6/6/2011 7:00 AM T M M M M
6/7/2011 7:00 AM 0.00 0.0 M M M
6/8/2011 7:00 AM 0.00 0.0 M M M
6/9/2011 7:00 AM 0.00 0.0 M M M
6/10/2011 7:00 AM 0.17 M M M M
6/11/2011 7:00 AM 0.00 0.0 M M M
6/12/2011 7:00 AM 0.00 0.0 M M M
6/13/2011 7:00 AM 0.05 M M M M
6/14/2011 7:00 AM 0.00 0.0 M M M
6/15/2011 7:00 AM 0.00 0.0 M M M
6/16/2011 7:00 AM 0.00 0.0 M M M
6/17/2011 7:00 AM 1.02 M M M M
6/18/2011 2:35 PM 0.04 M M M M
6/19/2011 7:00 AM 0.03 M M M M
6/20/2011 7:00 AM 0.31 M M M M
6/21/2011 7:00 AM 0.10 M M M M
6/22/2011 7:00 AM 0.01 M M M M
6/23/2011 7:00 AM T M M M M
6/24/2011 7:00 AM T M M M M
6/25/2011 7:00 AM 0.00 0.0 M M M
6/26/2011 7:00 AM 0.00 0.0 M M M
6/27/2011 7:00 AM 0.03 M M M M
6/28/2011 7:00 AM 0.01 M M M M
6/29/2011 7:00 AM 0.00 0.0 M M M
6/30/2011 7:00 AM 0.56 0.0 M M M Strong winds took down two mature trees and our power. Power took 5 days to restore.
7/1/2011 7:00 AM 0.00 0.0 M M M
7/2/2011 7:00 AM 0.00 0.0 M M M
7/3/2011 7:00 AM 0.89 M M M M
7/4/2011 7:00 AM 0.21 M M M M
7/5/2011 7:00 AM T M M M M
7/6/2011 7:00 AM 0.00 0.0 M M M
7/7/2011 7:00 AM 0.06 M M M M
7/8/2011 7:00 AM 0.00 0.0 M M M
7/9/2011 7:00 AM 0.12 M M M M
7/10/2011 7:00 AM T M M M M
7/11/2011 7:00 AM 0.00 0.0 M M M
7/12/2011 7:00 AM T M M M M
7/13/2011 7:00 AM 0.00 0.0 M M M
7/14/2011 7:00 AM 1.05 M M M M
7/15/2011 7:00 AM T M M M M
7/16/2011 7:00 AM T M M M M
7/17/2011 7:00 AM 0.00 0.0 M M M
7/18/2011 7:00 AM 0.00 0.0 M M M
7/19/2011 7:00 AM 0.00 0.0 M M M
7/20/2011 7:00 AM 0.00 0.0 M M M
7/21/2011 7:00 AM 0.00 0.0 M M M
7/22/2011 7:00 AM 0.00 0.0 M M M
7/23/2011 7:00 AM 0.00 0.0 M M M
7/24/2011 7:00 AM 0.00 0.0 M M M
7/25/2011 7:00 AM 0.00 0.0 M M M
7/26/2011 7:00 AM 0.08 M M M M
7/27/2011 7:00 AM 0.00 0.0 M M M
7/29/2011 7:00 AM 0.00 0.0 M M M
7/30/2011 7:00 AM 0.00 0.0 M M M
7/31/2011 7:00 AM 0.00 0.0 M M M
8/1/2011 7:00 AM 0.00 0.0 M M M
8/2/2011 7:00 AM 0.01 M M M M
8/3/2011 7:00 AM 0.01 M M M M
8/4/2011 7:00 AM 0.15 M M M M
8/5/2011 7:00 AM 0.00 0.0 M M M
8/6/2011 7:00 AM 0.00 0.0 M M M
8/7/2011 7:00 AM 0.10 M M M M
8/8/2011 7:00 AM 0.45 M M M M
8/21/2011 7:00 AM 0.00 0.0 M M M
8/22/2011 7:00 AM 0.00 0.0 M M M
8/23/2011 7:00 AM 0.00 0.0 M M M
8/24/2011 7:00 AM 0.00 0.0 M M M
8/25/2011 7:00 AM 0.00 0.0 M M M
8/26/2011 7:00 AM 0.59 M M M M
8/27/2011 7:00 AM T M M M M
8/28/2011 7:00 AM 2.51 M M M M
8/29/2011 7:00 AM 0.15 M M M M
8/30/2011 7:00 AM 0.00 0.0 M M M
8/31/2011 7:00 AM 0.00 0.0 M M M
9/1/2011 7:00 AM 0.00 0.0 M M M
9/2/2011 7:00 AM 0.00 0.0 M M M
9/3/2011 7:00 AM 0.00 0.0 M M M
9/4/2011 7:00 AM 0.02 M M M M
9/5/2011 7:00 AM 0.00 0.0 M M M
9/6/2011 7:00 AM 1.23 M M M M
9/7/2011 7:00 AM 0.76 M M M M
9/8/2011 7:00 AM 3.94 M M M M
9/9/2011 8:00 AM 3.21 M M M M
9/10/2011 7:00 AM 0.26 M M M M
9/11/2011 7:00 AM 0.00 0.0 M M M
9/12/2011 7:00 AM 0.08 M M M M
9/14/2011 7:00 AM 0.00 0.0 M M M
9/15/2011 7:00 AM 0.00 0.0 M M M
9/16/2011 7:00 AM 0.06 M M M M
9/17/2011 7:00 AM 0.00 0.0 M M M
9/18/2011 7:00 AM 0.01 M M M M
9/19/2011 7:00 AM 0.00 0.0 M M M
9/20/2011 7:00 AM 0.00 0.0 M M M
9/21/2011 7:00 AM 0.20 M M M M
9/22/2011 7:00 AM 0.02 M M M M
9/23/2011 7:00 AM T M M M M
9/24/2011 7:00 AM 0.63 M M M M
9/25/2011 7:00 AM 0.02 M M M M
9/26/2011 7:00 AM 0.01 M M M M
9/27/2011 7:00 AM 0.01 M M M M
9/28/2011 8:20 AM 0.33 M M M M
9/29/2011 7:00 AM 0.30 M M M M
9/30/2011 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
8/9/2011 8/13/2011 2:00 PM 5 0.41 M M
8/14/2011 8/20/2011 2:00 AM 7 1.42 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
5/4/2011 6:00 PM NA NA Rice Hard 10 10min no damage Continuous False Before rain Same time as smaller hail vertical