Station Overview Station Location
Station Number VA-FX-61 Latitude 38.888557434082
Station Name Vienna 0.8 S Longitude -77.2628860473633
County Fairfax Elevation (ft) 398



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 12 3.56 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Nov 12 3.36 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Dec 12 3.17 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Jan 13 2.95 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Feb 13 2.75 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
March 13 3.68 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 13 3.33 1.58 5 1.58 5 0.00 0 0 4 0 0.0 0 0
May 13 4.24 2.53 20 1.30 14 1.23 6 1 9 1 0.0 0 0
June 13 3.98 7.43 23 7.43 23 0.00 0 0 17 2 0.0 0 0
July 13 4.04 5.62 26 5.62 26 0.00 0 0 16 0 0.0 0 0
Aug 13 3.36 2.67 33 1.47 17 1.20 16 2 8 1 0.0 0 0
Sept 13 4.00 2.39 29 2.11 27 0.28 2 1 4 0 0.0 0 0
Water Year Totals: 42.42" 22.22" 136 days 19.51" 112 2.71" 24 days 4 58 days 4 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
10/1/2012
10/2/2012
10/3/2012
10/4/2012
10/5/2012
10/6/2012
10/7/2012
10/8/2012
10/9/2012
10/10/2012
10/11/2012
10/12/2012
10/13/2012
10/14/2012
10/15/2012
10/16/2012
10/17/2012
10/18/2012
10/19/2012
10/20/2012
10/21/2012
10/22/2012
10/23/2012
10/24/2012
10/25/2012
10/26/2012
10/27/2012
10/28/2012
10/29/2012
10/30/2012
10/31/2012
11/1/2012
11/2/2012
11/3/2012
11/4/2012
11/5/2012
11/6/2012
11/7/2012
11/8/2012
11/9/2012
11/10/2012
11/11/2012
11/12/2012
11/13/2012
11/14/2012
11/15/2012
11/16/2012
11/17/2012
11/18/2012
11/19/2012
11/20/2012
11/21/2012
11/22/2012
11/23/2012
11/24/2012
11/25/2012
11/26/2012
11/27/2012
11/28/2012
11/29/2012
11/30/2012
12/1/2012
12/2/2012
12/3/2012
12/4/2012
12/5/2012
12/6/2012
12/7/2012
12/8/2012
12/9/2012
12/10/2012
12/11/2012
12/12/2012
12/13/2012
12/14/2012
12/15/2012
12/16/2012
12/17/2012
12/18/2012
12/19/2012
12/20/2012
12/21/2012
12/22/2012
12/23/2012
12/24/2012
12/25/2012
12/26/2012
12/27/2012
12/28/2012
12/29/2012
12/30/2012
12/31/2012
Day of YearDaily PrcpMultiday Prcp
1/1/2013
1/2/2013
1/3/2013
1/4/2013
1/5/2013
1/6/2013
1/7/2013
1/8/2013
1/9/2013
1/10/2013
1/11/2013
1/12/2013
1/13/2013
1/14/2013
1/15/2013
1/16/2013
1/17/2013
1/18/2013
1/19/2013
1/20/2013
1/21/2013
1/22/2013
1/23/2013
1/24/2013
1/25/2013
1/26/2013
1/27/2013
1/28/2013
1/29/2013
1/30/2013
1/31/2013
2/1/2013
2/2/2013
2/3/2013
2/4/2013
2/5/2013
2/6/2013
2/7/2013
2/8/2013
2/9/2013
2/10/2013
2/11/2013
2/12/2013
2/13/2013
2/14/2013
2/15/2013
2/16/2013
2/17/2013
2/18/2013
2/19/2013
2/20/2013
2/21/2013
2/22/2013
2/23/2013
2/24/2013
2/25/2013
2/26/2013
2/27/2013
2/28/2013
3/1/2013
3/2/2013
3/3/2013
3/4/2013
3/5/2013
3/6/2013
3/7/2013
3/8/2013
3/9/2013
3/10/2013
3/11/2013
3/12/2013
3/13/2013
3/14/2013
3/15/2013
3/16/2013
3/17/2013
3/18/2013
3/19/2013
3/20/2013
3/21/2013
3/22/2013
3/23/2013
3/24/2013
3/25/2013
3/26/2013
3/27/2013
3/28/2013
3/29/2013
3/30/2013
3/31/2013
Day of YearDaily PrcpMultiday Prcp
4/1/2013
4/2/2013
4/3/2013
4/4/2013
4/5/2013
4/6/2013
4/7/2013
4/8/2013
4/9/2013
4/10/2013
4/11/2013
4/12/2013
4/13/2013
4/14/2013
4/15/2013
4/16/2013
4/17/2013
4/18/2013
4/19/2013
4/20/2013 1.20
4/21/2013
4/22/2013
4/23/2013
4/24/2013
4/25/2013 0.05
4/26/2013
4/27/2013 0.00
4/28/2013
4/29/2013 0.12
4/30/2013 0.21
5/1/2013 0.09
5/2/2013 0.00
5/3/2013 0.00
5/4/2013
5/5/2013
5/6/2013
5/7/2013 **
5/8/2013 **
5/9/2013 **
5/10/2013 **
5/11/2013 **
5/12/2013 1.23
5/13/2013 0.00
5/14/2013 0.00
5/15/2013
5/16/2013
5/17/2013
5/18/2013 0.03
5/19/2013 0.16
5/20/2013 0.03
5/21/2013 T
5/22/2013
5/23/2013 0.03
5/24/2013 0.38
5/25/2013 0.02
5/26/2013
5/27/2013
5/28/2013 0.02
5/29/2013 0.54
5/30/2013
5/31/2013
6/1/2013
6/2/2013
6/3/2013 0.76
6/4/2013 0.24
6/5/2013 0.00
6/6/2013 0.00
6/7/2013 1.57
6/8/2013 0.91
6/9/2013 0.03
6/10/2013 0.81
6/11/2013 0.71
6/12/2013 0.02
6/13/2013 0.01
6/14/2013 0.06
6/15/2013 0.00
6/16/2013
6/17/2013 T
6/18/2013 T
6/19/2013 0.22
6/20/2013
6/21/2013
6/22/2013
6/23/2013 0.00
6/24/2013 0.40
6/25/2013 0.05
6/26/2013 0.05
6/27/2013 0.03
6/28/2013 0.01
6/29/2013 1.55
6/30/2013
Day of YearDaily PrcpMultiday Prcp
7/1/2013 0.40
7/2/2013 0.04
7/3/2013 0.28
7/4/2013 1.65
7/5/2013 0.02
7/6/2013 0.00
7/7/2013
7/8/2013 0.23
7/9/2013 0.33
7/10/2013 0.02
7/11/2013 0.03
7/12/2013 1.97
7/13/2013 0.18
7/14/2013 0.03
7/15/2013 0.00
7/16/2013 0.00
7/17/2013 0.00
7/18/2013
7/19/2013
7/20/2013
7/21/2013
7/22/2013 0.13
7/23/2013 0.07
7/24/2013 0.00
7/25/2013 0.00
7/26/2013 0.00
7/27/2013 0.00
7/28/2013 0.23
7/29/2013 0.01
7/30/2013 0.00
7/31/2013 0.00
8/1/2013 0.44
8/2/2013 0.02
8/3/2013 T
8/4/2013 0.09
8/5/2013 0.00 **
8/6/2013 **
8/7/2013 **
8/8/2013 **
8/9/2013 **
8/10/2013 1.05
8/11/2013 0.03
8/12/2013 0.00
8/13/2013 0.03
8/14/2013 0.58
8/15/2013 0.00
8/16/2013 0.00
8/17/2013 0.00 **
8/18/2013 0.15
8/19/2013
8/20/2013 0.00
8/21/2013 0.00
8/22/2013 0.07
8/23/2013 0.00
8/24/2013 0.21 **
8/25/2013 **
8/26/2013 **
8/27/2013 **
8/28/2013 **
8/29/2013 **
8/30/2013 **
8/31/2013 **
9/1/2013 **
9/2/2013 0.28
9/3/2013 0.00
9/4/2013 0.00
9/5/2013 0.00
9/6/2013 0.00
9/7/2013 0.00
9/8/2013 0.00
9/9/2013 0.00
9/10/2013 0.00
9/11/2013 0.00
9/12/2013
9/13/2013 0.79
9/14/2013 0.02
9/15/2013 0.00
9/16/2013 0.00
9/17/2013 0.05
9/18/2013 0.00
9/19/2013 0.00
9/20/2013 0.00
9/21/2013 0.00
9/22/2013 1.25
9/23/2013 0.00
9/24/2013 0.00
9/25/2013 0.00
9/26/2013 0.00
9/27/2013 0.00
9/28/2013 0.00
9/29/2013 0.00
9/30/2013 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
4/20/2013 7:00 AM 1.20 M M M M Line of showers and thunderstorms moved through associated with a cold front - very gusty winds associated with the line of convection too. Clear skies at 7 am.
4/25/2013 7:00 AM 0.05 M M M M Front passed through overnight hours.
4/27/2013 7:00 AM 0.00 0.0 M M M
4/29/2013 7:00 AM 0.12 M M M M 0.05 during Sunday Afternoon 0.07 overnight Sunday Night
4/30/2013 7:00 AM 0.21 M M M M
5/1/2013 7:00 AM 0.09 M M M M
5/2/2013 7:00 AM 0.00 0.0 M M M
5/3/2013 7:00 AM 0.00 0.0 M M M
5/13/2013 7:00 AM 0.00 0.0 M M M
5/14/2013 7:00 AM 0.00 0.0 M M M
5/18/2013 7:00 AM 0.03 M M M M
5/19/2013 7:00 AM 0.16 M M M M
5/20/2013 7:00 AM 0.03 M M M M
5/21/2013 7:00 AM T M M M M
5/23/2013 7:00 AM 0.03 M M M M
5/24/2013 7:00 AM 0.38 M M M M
5/25/2013 7:00 AM 0.02 M M M M
5/28/2013 7:00 AM 0.02 M M M M
5/29/2013 7:00 AM 0.54 M M M M Rain was all during thunderstorms.
6/3/2013 7:00 AM 0.76 M M M M Thunderstorms the evening before between 5:30-6:45 pm and heavy showers this am between 5:15-6:30 am. No rain currently but thunder heard.
6/4/2013 7:00 AM 0.24 M M M M Rain fell prior to 11 am yesterday and after 7 am observation.
6/5/2013 7:00 AM 0.00 0.0 M M M
6/6/2013 7:00 AM 0.00 0.0 M M M
6/7/2013 7:00 AM 1.57 M M M M Still raining at time of observation.
6/8/2013 7:00 AM 0.91 M M M M Precip all day ending about 9pm.
6/9/2013 7:00 AM 0.03 M M M M Morning rains.
6/10/2013 7:00 AM 0.81 M M M M Thunderstorms between 2:15 - 3 AM were the heaviest rainfall period.
6/11/2013 7:00 AM 0.71 M M M M Thunderstorms with heavy rains between 7 pm and 8:30 pm.
6/12/2013 7:00 AM 0.02 M M M M
6/13/2013 7:00 AM 0.01 M M M M foggy, very muggy, under warning as storms about 2 counties away and approaching at 50 mph. Should be here at 9 or 10 am.
6/14/2013 7:00 AM 0.06 M M M M thunderstorms around 10 am then again at 3:30 pm but fast movers so little rain. Stratform light rain this morning.
6/15/2013 7:00 AM 0.00 0.0 M M M Perfect day with low humidity, great temperatures and a beautiful blue sky.
6/17/2013 7:00 AM T M M M M Cloudy nearly all day with drizzle 3-4 times but nothing measureable.
6/18/2013 7:00 AM T M M M M
6/19/2013 7:00 AM 0.22 M M M M
6/23/2013 7:00 AM 0.00 0.0 M M M
6/24/2013 7:00 AM 0.40 M M M M All rain just after 7 am observation until 10 am.
6/25/2013 7:00 AM 0.05 M M M M Thunderstorm and it just missed us.
6/26/2013 7:00 AM 0.05 M M M M Precip came between 10:30pm and midnight.
6/27/2013 7:00 AM 0.03 M M M M
6/28/2013 7:00 AM 0.01 M M M M
6/29/2013 7:00 AM 1.55 M M M M
7/1/2013 7:00 AM 0.40 M M M M
7/2/2013 7:00 AM 0.04 M M M M
7/3/2013 7:00 AM 0.28 M M M M raining at time of observation
7/4/2013 7:00 AM 1.65 M M M M
7/5/2013 7:00 AM 0.02 M M M M
7/6/2013 7:00 AM 0.00 0.0 M M M
7/8/2013 7:00 AM 0.23 M M M M
7/9/2013 7:00 AM 0.33 M M M M
7/10/2013 7:00 AM 0.02 M M M M
7/11/2013 7:00 AM 0.03 M M M M Thunderstorm was just west of us.
7/12/2013 7:00 AM 1.97 M M M M Thunderstorms around the area from 9 pm through 3:30 am.
7/13/2013 7:00 AM 0.18 M M M M
7/14/2013 7:00 AM 0.03 M M M M
7/15/2013 7:00 AM 0.00 0.0 M M M
7/16/2013 7:00 AM 0.00 0.0 M M M
7/17/2013 7:00 AM 0.00 0.0 M M M
7/22/2013 7:00 AM 0.13 M M M M
7/23/2013 7:00 AM 0.07 M M M M
7/24/2013 7:00 AM 0.00 0.0 M M M
7/25/2013 7:00 AM 0.00 0.0 M M M
7/26/2013 7:00 AM 0.00 0.0 M M M
7/27/2013 7:00 AM 0.00 0.0 M M M
7/28/2013 7:00 AM 0.23 M M M M Late afternoon thunderstorms 4-6 pm
7/29/2013 7:00 AM 0.01 M M M M
7/30/2013 7:00 AM 0.00 0.0 M M M
7/31/2013 7:00 AM 0.00 0.0 M M M
8/1/2013 7:00 AM 0.44 M M M M
8/2/2013 7:00 AM 0.02 M M M M
8/3/2013 7:00 AM T M M M M Trace - drizzling and overcast at time of observation
8/4/2013 7:00 AM 0.09 M M M M
8/5/2013 7:00 AM 0.00 0.0 M M M
8/11/2013 7:00 AM 0.03 M M M M
8/12/2013 7:00 AM 0.00 0.0 M M M
8/13/2013 7:00 AM 0.03 M M M M
8/14/2013 7:00 AM 0.58 M M M M
8/15/2013 7:00 AM 0.00 0.0 M M M
8/16/2013 7:00 AM 0.00 0.0 M M M
8/17/2013 7:00 AM 0.00 0.0 M M M
8/20/2013 7:00 AM 0.00 0.0 M M M
8/21/2013 7:00 AM 0.00 0.0 M M M
8/22/2013 7:00 AM 0.07 M M M M
8/23/2013 7:00 AM 0.00 0.0 M M M
8/24/2013 7:00 AM 0.21 M M M M
9/3/2013 7:00 AM 0.00 0.0 M M M
9/4/2013 7:00 AM 0.00 0.0 M M M
9/5/2013 7:00 AM 0.00 0.0 M M M
9/6/2013 7:00 AM 0.00 0.0 M M M
9/7/2013 7:00 AM 0.00 0.0 M M M
9/8/2013 7:00 AM 0.00 0.0 M M M
9/9/2013 7:00 AM 0.00 0.0 M M M
9/10/2013 7:00 AM 0.00 0.0 M M M
9/11/2013 7:00 AM 0.00 0.0 M M M
9/13/2013 7:00 AM 0.79 M M M M
9/14/2013 7:00 AM 0.02 M M M M
9/15/2013 7:00 AM 0.00 0.0 M M M
9/16/2013 7:00 AM 0.00 0.0 M M M
9/17/2013 7:00 AM 0.05 M M M M
9/18/2013 7:00 AM 0.00 0.0 M M M
9/19/2013 7:00 AM 0.00 0.0 M M M
9/20/2013 7:00 AM 0.00 0.0 M M M
9/21/2013 7:00 AM 0.00 0.0 M M M
9/22/2013 7:00 AM 1.25 M M M M
9/23/2013 7:00 AM 0.00 0.0 M M M
9/24/2013 7:00 AM 0.00 0.0 M M M
9/25/2013 7:00 AM 0.00 0.0 M M M
9/26/2013 7:00 AM 0.00 0.0 M M M
9/27/2013 7:00 AM 0.00 0.0 M M M
9/28/2013 7:00 AM 0.00 0.0 M M M
9/29/2013 7:00 AM 0.00 0.0 M M M
9/30/2013 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
5/7/2013 5/12/2013 7:00 AM 6 1.23 M M gone on work travel Monday to Friday - rain and thunderstorms also were on Saturday.
8/5/2013 8/10/2013 7:00 AM 6 1.05 M M
8/17/2013 8/18/2013 7:00 AM 2 0.15 M M
8/24/2013 9/02/2013 7:00 AM 10 0.28 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