Station Overview Station Location
Station Number VA-FX-84 Latitude 38.81576
Station Name Fairfax 2.8 SSE Longitude -77.28197
County Fairfax Elevation (ft) 349



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 16 3.51 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Nov 16 3.23 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Dec 16 3.12 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Jan 17 2.90 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Feb 17 2.66 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
March 17 3.57 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 17 3.22 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
May 17 4.14 3.18 11 3.18 11 0.00 0 0 6 1 0.0 0 0
June 17 3.90 1.14 30 0.99 27 0.15 3 1 6 1 0.0 0 0
July 17 4.02 9.74 31 9.34 26 0.40 5 1 10 0 0.0 0 0
Aug 17 3.25 5.32 31 5.32 31 0.00 0 0 12 0 0.0 0 0
Sept 17 3.99 1.77 25 1.77 25 0.00 0 0 6 0 0.0 0 0
Water Year Totals: 41.51" 21.15" 128 days 20.60" 120 0.55" 8 days 2 40 days 2 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
10/1/2016
10/2/2016
10/3/2016
10/4/2016
10/5/2016
10/6/2016
10/7/2016
10/8/2016
10/9/2016
10/10/2016
10/11/2016
10/12/2016
10/13/2016
10/14/2016
10/15/2016
10/16/2016
10/17/2016
10/18/2016
10/19/2016
10/20/2016
10/21/2016
10/22/2016
10/23/2016
10/24/2016
10/25/2016
10/26/2016
10/27/2016
10/28/2016
10/29/2016
10/30/2016
10/31/2016
11/1/2016
11/2/2016
11/3/2016
11/4/2016
11/5/2016
11/6/2016
11/7/2016
11/8/2016
11/9/2016
11/10/2016
11/11/2016
11/12/2016
11/13/2016
11/14/2016
11/15/2016
11/16/2016
11/17/2016
11/18/2016
11/19/2016
11/20/2016
11/21/2016
11/22/2016
11/23/2016
11/24/2016
11/25/2016
11/26/2016
11/27/2016
11/28/2016
11/29/2016
11/30/2016
12/1/2016
12/2/2016
12/3/2016
12/4/2016
12/5/2016
12/6/2016
12/7/2016
12/8/2016
12/9/2016
12/10/2016
12/11/2016
12/12/2016
12/13/2016
12/14/2016
12/15/2016
12/16/2016
12/17/2016
12/18/2016
12/19/2016
12/20/2016
12/21/2016
12/22/2016
12/23/2016
12/24/2016
12/25/2016
12/26/2016
12/27/2016
12/28/2016
12/29/2016
12/30/2016
12/31/2016
Day of YearDaily PrcpMultiday Prcp
1/1/2017
1/2/2017
1/3/2017
1/4/2017
1/5/2017
1/6/2017
1/7/2017
1/8/2017
1/9/2017
1/10/2017
1/11/2017
1/12/2017
1/13/2017
1/14/2017
1/15/2017
1/16/2017
1/17/2017
1/18/2017
1/19/2017
1/20/2017
1/21/2017
1/22/2017
1/23/2017
1/24/2017
1/25/2017
1/26/2017
1/27/2017
1/28/2017
1/29/2017
1/30/2017
1/31/2017
2/1/2017
2/2/2017
2/3/2017
2/4/2017
2/5/2017
2/6/2017
2/7/2017
2/8/2017
2/9/2017
2/10/2017
2/11/2017
2/12/2017
2/13/2017
2/14/2017
2/15/2017
2/16/2017
2/17/2017
2/18/2017
2/19/2017
2/20/2017
2/21/2017
2/22/2017
2/23/2017
2/24/2017
2/25/2017
2/26/2017
2/27/2017
2/28/2017
3/1/2017
3/2/2017
3/3/2017
3/4/2017
3/5/2017
3/6/2017
3/7/2017
3/8/2017
3/9/2017
3/10/2017
3/11/2017
3/12/2017
3/13/2017
3/14/2017
3/15/2017
3/16/2017
3/17/2017
3/18/2017
3/19/2017
3/20/2017
3/21/2017
3/22/2017
3/23/2017
3/24/2017
3/25/2017
3/26/2017
3/27/2017
3/28/2017
3/29/2017
3/30/2017
3/31/2017
Day of YearDaily PrcpMultiday Prcp
4/1/2017
4/2/2017
4/3/2017
4/4/2017
4/5/2017
4/6/2017
4/7/2017
4/8/2017
4/9/2017
4/10/2017
4/11/2017
4/12/2017
4/13/2017
4/14/2017
4/15/2017
4/16/2017
4/17/2017
4/18/2017
4/19/2017
4/20/2017
4/21/2017
4/22/2017
4/23/2017
4/24/2017
4/25/2017
4/26/2017
4/27/2017
4/28/2017
4/29/2017
4/30/2017
5/1/2017
5/2/2017
5/3/2017
5/4/2017
5/5/2017
5/6/2017
5/7/2017
5/8/2017
5/9/2017
5/10/2017
5/11/2017
5/12/2017
5/13/2017
5/14/2017
5/15/2017
5/16/2017
5/17/2017
5/18/2017
5/19/2017
5/20/2017
5/21/2017 0.00
5/22/2017 0.30
5/23/2017 0.00
5/24/2017 0.40
5/25/2017 0.70
5/26/2017 0.50
5/27/2017 0.00
5/28/2017 0.00
5/29/2017 0.08
5/30/2017 T
5/31/2017 1.20
6/1/2017 0.16
6/2/2017 0.00
6/3/2017 0.00
6/4/2017 0.00
6/5/2017 0.00
6/6/2017 0.04
6/7/2017 0.00
6/8/2017 0.04
6/9/2017 0.00
6/10/2017 0.00
6/11/2017 0.00
6/12/2017 0.00
6/13/2017 0.00
6/14/2017 0.00
6/15/2017 0.00
6/16/2017 **
6/17/2017 **
6/18/2017 0.15
6/19/2017 0.00
6/20/2017 0.40
6/21/2017 0.00
6/22/2017 0.00
6/23/2017 0.14
6/24/2017 0.21
6/25/2017 0.00
6/26/2017 0.00
6/27/2017 T
6/28/2017 0.00
6/29/2017 0.00
6/30/2017 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2017 0.00
7/2/2017 0.60
7/3/2017 0.00
7/4/2017 0.00
7/5/2017 0.03
7/6/2017 1.43
7/7/2017 2.23
7/8/2017 0.09
7/9/2017 0.00
7/10/2017 0.00
7/11/2017 0.00
7/12/2017 0.00
7/13/2017 0.00
7/14/2017 0.00
7/15/2017 **
7/16/2017 **
7/17/2017 **
7/18/2017 **
7/19/2017 0.40
7/20/2017 0.00
7/21/2017 0.00
7/22/2017 0.00
7/23/2017 1.00
7/24/2017 0.34
7/25/2017 0.57
7/26/2017 0.00
7/27/2017 0.00
7/28/2017 0.00
7/29/2017 3.02
7/30/2017 0.03
7/31/2017 0.00
8/1/2017 0.00
8/2/2017 0.00
8/3/2017 0.00
8/4/2017 0.02
8/5/2017 0.00
8/6/2017 0.00
8/7/2017 0.20
8/8/2017 1.29
8/9/2017 0.00
8/10/2017 0.00
8/11/2017 0.00
8/12/2017 1.24
8/13/2017 0.70
8/14/2017 0.00
8/15/2017 0.00
8/16/2017 0.25
8/17/2017 0.00
8/18/2017 0.00
8/19/2017 0.28
8/20/2017 0.03
8/21/2017 0.00
8/22/2017 0.22
8/23/2017 0.00
8/24/2017 0.00
8/25/2017 0.06
8/26/2017 0.00
8/27/2017 0.00
8/28/2017 0.00
8/29/2017 0.25
8/30/2017 0.78
8/31/2017 0.00
9/1/2017 0.00
9/2/2017 0.39
9/3/2017 0.38
9/4/2017 0.00
9/5/2017 0.00
9/6/2017 0.28
9/7/2017 0.56
9/8/2017
9/9/2017
9/10/2017
9/11/2017
9/12/2017 0.00
9/13/2017 0.10
9/14/2017 0.06
9/15/2017 0.00
9/16/2017 0.00
9/17/2017 0.00
9/18/2017 0.00
9/19/2017
9/20/2017 0.00
9/21/2017 0.00
9/22/2017 0.00
9/23/2017 0.00
9/24/2017 0.00
9/25/2017 0.00
9/26/2017 0.00
9/27/2017 0.00
9/28/2017 0.00
9/29/2017 0.00
9/30/2017 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
5/21/2017 7:00 AM 0.00 0.0 M M M
5/22/2017 6:48 AM 0.30 M M M M Soft rain most of the night.
5/23/2017 6:30 AM 0.00 0.0 M M M
5/24/2017 6:50 AM 0.40 M M M M
5/25/2017 6:33 AM 0.70 M M M M Still raining at time of observation
5/26/2017 6:45 AM 0.50 M M M M Thunderstorm yesterday evening.
5/27/2017 7:00 AM 0.00 0.0 M M M
5/28/2017 7:00 AM 0.00 0.0 M M M
5/29/2017 7:10 AM 0.08 M M M M
5/30/2017 6:43 AM T M M M M
5/31/2017 6:50 AM 1.20 M M M M Thunderstorms in the late evening yesterday.
6/1/2017 6:43 AM 0.16 M M M M Brief thunderstorm yesterday evening
6/2/2017 7:00 AM 0.00 0.0 M M M
6/3/2017 8:00 AM 0.00 0.0 M M M
6/4/2017 7:06 AM 0.00 0.0 M M M
6/5/2017 7:01 AM 0.00 0.0 M M M
6/6/2017 7:04 AM 0.04 M M M M
6/7/2017 6:58 AM 0.00 0.0 M M M
6/8/2017 6:40 AM 0.04 M M M M
6/9/2017 6:58 AM 0.00 0.0 M M M
6/10/2017 7:05 AM 0.00 0.0 M M M
6/11/2017 6:46 AM 0.00 0.0 M M M
6/12/2017 6:53 AM 0.00 0.0 M M M
6/13/2017 6:33 AM 0.00 0.0 M M M
6/14/2017 6:35 AM 0.00 0.0 M M M
6/15/2017 7:00 AM 0.00 0.0 M M M
6/19/2017 7:00 AM 0.00 0.0 M M M
6/20/2017 6:55 AM 0.40 M M M M Fierce thunderstorms yesterday evening.
6/21/2017 6:35 AM 0.00 0.0 M M M
6/22/2017 6:40 AM 0.00 0.0 M M M
6/23/2017 7:00 AM 0.14 M M M M
6/24/2017 7:00 AM 0.21 M M M M Light showers late yesterday and overnight.
6/25/2017 7:05 AM 0.00 0.0 M M M
6/26/2017 6:45 AM 0.00 0.0 M M M
6/27/2017 6:55 AM T M M M M
6/28/2017 7:25 AM 0.00 0.0 M M M
6/29/2017 6:35 AM 0.00 0.0 M M M
6/30/2017 7:35 AM 0.00 0.0 M M M
7/1/2017 7:25 AM 0.00 0.0 M M M
7/2/2017 6:50 AM 0.60 M M M M Fast moving thunderstorm yesterday afternoon. 30 mph winds according to radio report.
7/3/2017 6:50 AM 0.00 0.0 M M M
7/4/2017 7:00 AM 0.00 0.0 M M M
7/5/2017 6:40 AM 0.03 M M M M
7/6/2017 6:50 AM 1.43 M M M M Still raining at time of observation.
7/7/2017 7:30 AM 2.23 M M M M
7/8/2017 6:45 AM 0.09 M M M M
7/9/2017 7:11 AM 0.00 0.0 M M M
7/10/2017 7:04 AM 0.00 0.0 M M M
7/11/2017 6:54 AM 0.00 0.0 M M M
7/12/2017 6:13 AM 0.00 M M M M Sent via CoCoRaHS Observer for iOS
7/13/2017 6:59 AM 0.00 M M M M Sent via CoCoRaHS Observer for iOS
7/14/2017 7:27 AM 0.00 M M M M Sent via CoCoRaHS Observer for iOS
7/20/2017 6:00 AM 0.00 0.0 M M M
7/21/2017 6:45 AM 0.00 0.0 M M M
7/22/2017 8:00 AM 0.00 0.0 M M M
7/23/2017 8:06 AM 1.00 M M M M Thunderstorms in the late evening.
7/24/2017 7:10 AM 0.34 M M M M
7/25/2017 7:00 AM 0.57 M M M M Rain fell during a thunderstorm that lasted about 15 minutes at 5:00 PM yesterday.
7/26/2017 7:00 AM 0.00 0.0 M M M
7/27/2017 7:00 AM 0.00 0.0 M M M
7/28/2017 6:45 AM 0.00 0.0 M M M
7/29/2017 6:53 AM 3.02 M M M M
7/30/2017 7:12 AM 0.03 M M M M
7/31/2017 7:00 AM 0.00 0.0 M M M
8/1/2017 8:00 AM 0.00 0.0 M M M
8/2/2017 7:00 AM 0.00 M M M M Sent via CoCoRaHS Observer for iOS
8/3/2017 7:25 AM 0.00 0.0 M M M
8/4/2017 7:30 AM 0.02 M M M M
8/5/2017 7:10 AM 0.00 0.0 M M M
8/6/2017 6:50 AM 0.00 0.0 M M M
8/7/2017 6:38 AM 0.20 M M M M
8/8/2017 7:00 AM 1.29 M M M M
8/9/2017 7:00 AM 0.00 M M M M Sent via CoCoRaHS Observer for iOS
8/10/2017 7:00 AM 0.00 0.0 M M M
8/11/2017 6:55 AM 0.00 M M M M
8/12/2017 7:19 AM 1.24 M M M M
8/13/2017 7:11 AM 0.70 M M M M
8/14/2017 7:00 AM 0.00 0.0 M M M
8/15/2017 6:41 AM 0.00 M M M M
8/16/2017 6:48 AM 0.25 M M M M
8/17/2017 6:55 AM 0.00 M M M M
8/18/2017 7:11 AM 0.00 M M M M
8/19/2017 7:21 AM 0.28 M M M M
8/20/2017 7:32 AM 0.03 M M M M
8/21/2017 6:38 AM 0.00 M M M M
8/22/2017 6:44 AM 0.22 M M M M A large cloud moved over the sun while we were watching the eclipse, then started to rain
8/23/2017 6:39 AM 0.00 M M M M
8/24/2017 7:47 AM 0.00 M M M M
8/25/2017 7:18 AM 0.06 M M M M
8/26/2017 7:07 AM 0.00 0.0 M M M
8/27/2017 8:26 AM 0.00 0.0 M M M
8/28/2017 6:54 AM 0.00 M M M M
8/29/2017 7:00 AM 0.25 M M M M still raining at 7:00 AM. Forecast for rain the rest of the day.
8/30/2017 6:57 AM 0.78 M M M M
8/31/2017 6:56 AM 0.00 M M M M
9/1/2017 6:56 AM 0.00 M M M M
9/2/2017 7:26 AM 0.39 M M M M
9/3/2017 7:17 AM 0.38 M M M M
9/4/2017 7:00 AM 0.00 M M M M
9/5/2017 7:08 AM 0.00 M M M M
9/6/2017 6:57 AM 0.28 M M M M
9/7/2017 7:03 AM 0.56 M M M M
9/12/2017 6:41 AM 0.00 M M M M
9/13/2017 6:58 AM 0.10 M M M M Still raining at time of reading.
9/14/2017 6:52 AM 0.06 M M M M
9/15/2017 7:22 AM 0.00 0.0 M M M
9/16/2017 7:00 AM 0.00 0.0 M M M
9/17/2017 7:35 AM 0.00 M M M M
9/18/2017 7:16 AM 0.00 M M M M
9/20/2017 7:22 AM 0.00 0.0 M M M
9/21/2017 6:57 AM 0.00 M M M M
9/22/2017 7:10 AM 0.00 0.0 M M M
9/23/2017 6:55 AM 0.00 M M M M
9/24/2017 6:54 AM 0.00 M M M M
9/25/2017 7:19 AM 0.00 M M M M
9/26/2017 7:00 AM 0.00 M M M M
9/27/2017 6:38 AM 0.00 M M M M
9/28/2017 5:33 AM 0.00 M M M M
9/29/2017 7:26 AM 0.00 M M M M
9/30/2017 7:05 AM 0.00 M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
6/16/2017 6/18/2017 1:00 PM 3 0.15 M M
7/15/2017 7/19/2017 7:00 PM 5 0.40 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