Station Overview Station Location
Station Number VA-FX-51 Latitude 38.903
Station Name Vienna 1.3 W Longitude -77.2836
County Fairfax Elevation (ft) 371



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 3.55 1.49 31 1.49 31 0.00 0 0 9 2 0.0 0 0
Nov 16 3.35 0.63 30 0.63 30 0.00 0 0 8 1 0.0 0 0
Dec 16 3.17 3.32 31 3.32 31 0.00 0 0 12 1 0.0 0 0
Jan 17 2.94 3.20 31 3.20 31 0.00 0 0 18 2 1.2 2 2
Feb 17 2.74 0.37 28 0.37 28 0.00 0 0 6 2 0.1 1 0
March 17 3.67 3.11 30 3.11 30 0.00 0 0 15 2 3.2 1 5
April 17 3.34 4.42 30 4.42 30 0.00 0 0 16 3 0.0 0 0
May 17 4.24 7.69 31 6.17 25 1.52 6 2 14 1 0.0 0 0
June 17 3.98 1.57 30 1.57 30 0.00 0 0 8 0 0.0 0 0
July 17 4.03 9.04 31 8.71 24 0.33 7 1 12 1 0.0 0 0
Aug 17 3.36 3.68 31 2.32 26 1.36 5 1 10 0 0.0 0 0
Sept 17 4.00 2.09 30 2.09 30 0.00 0 0 8 0 0.0 0 0
Water Year Totals: 42.37" 40.61" 364 days 37.40" 346 3.21" 18 days 4 136 days 15 days 4.5" 4 days 7 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 0.24
10/2/2016 0.10
10/3/2016 0.02
10/4/2016 0.00
10/5/2016 0.00
10/6/2016 0.00
10/7/2016 T
10/8/2016 0.11
10/9/2016 0.20
10/10/2016 0.00
10/11/2016 0.00
10/12/2016 0.00
10/13/2016 0.00
10/14/2016 T
10/15/2016 0.00
10/16/2016 0.00
10/17/2016 0.00
10/18/2016 0.00
10/19/2016 0.00
10/20/2016 0.32
10/21/2016 0.00
10/22/2016 0.37
10/23/2016 0.00
10/24/2016 0.00
10/25/2016 0.00
10/26/2016 0.00
10/27/2016 0.00
10/28/2016 0.08
10/29/2016 0.00
10/30/2016 0.00
10/31/2016 0.05
11/1/2016 0.00
11/2/2016 0.00
11/3/2016 0.00
11/4/2016 0.02
11/5/2016 0.00
11/6/2016 0.00
11/7/2016 0.00
11/8/2016 0.00
11/9/2016 0.16
11/10/2016 0.05
11/11/2016 0.00
11/12/2016 0.00
11/13/2016 0.00
11/14/2016 0.00
11/15/2016 0.05
11/16/2016 0.00
11/17/2016 0.01
11/18/2016 0.00
11/19/2016 0.00
11/20/2016 0.03
11/21/2016 0.00
11/22/2016 0.00
11/23/2016 0.00
11/24/2016 T
11/25/2016 0.00
11/26/2016 0.00
11/27/2016 0.00
11/28/2016 0.00
11/29/2016 0.01
11/30/2016 0.30
12/1/2016 0.83
12/2/2016 0.00
12/3/2016 0.00
12/4/2016 0.00
12/5/2016 0.32
12/6/2016 0.00
12/7/2016 1.10
12/8/2016 0.00
12/9/2016 0.00
12/10/2016 0.00
12/11/2016 0.00
12/12/2016 0.14
12/13/2016 0.01
12/14/2016 0.00
12/15/2016 0.00
12/16/2016 0.00
12/17/2016 0.16
12/18/2016 0.00
12/19/2016 0.01
12/20/2016 0.00
12/21/2016 0.00
12/22/2016 0.00
12/23/2016 0.00
12/24/2016 0.48
12/25/2016 0.07
12/26/2016 0.00
12/27/2016 0.01
12/28/2016 0.00
12/29/2016 0.18
12/30/2016 0.01
12/31/2016 T
Day of YearDaily PrcpMultiday Prcp
1/1/2017 0.00
1/2/2017 0.18
1/3/2017 0.69
1/4/2017 0.40
1/5/2017 0.03
1/6/2017 T
1/7/2017 0.01
1/8/2017 0.04
1/9/2017 0.00
1/10/2017 0.00
1/11/2017 0.02
1/12/2017 0.06
1/13/2017 0.00
1/14/2017 0.04
1/15/2017 0.27
1/16/2017 0.00
1/17/2017 0.06
1/18/2017 0.20
1/19/2017 0.00
1/20/2017 0.00
1/21/2017 0.02
1/22/2017 0.01
1/23/2017 0.22
1/24/2017 0.89
1/25/2017 0.01
1/26/2017 0.00
1/27/2017 0.00
1/28/2017 0.00
1/29/2017 0.00
1/30/2017 0.05
1/31/2017 T
2/1/2017 0.00
2/2/2017 0.00
2/3/2017 0.00
2/4/2017 0.00
2/5/2017 0.00
2/6/2017 0.00
2/7/2017 0.00
2/8/2017 T
2/9/2017 0.19
2/10/2017 0.01
2/11/2017 0.00
2/12/2017 0.00
2/13/2017 0.04
2/14/2017 0.00
2/15/2017 0.01
2/16/2017 0.00
2/17/2017 T
2/18/2017 0.00
2/19/2017 0.01
2/20/2017 0.00
2/21/2017 0.00
2/22/2017 0.00
2/23/2017 0.00
2/24/2017 0.00
2/25/2017 0.00
2/26/2017 0.11
2/27/2017 0.00
2/28/2017 0.00
3/1/2017 0.47
3/2/2017 0.09
3/3/2017 0.01
3/4/2017 0.00
3/5/2017 0.00
3/6/2017 0.00
3/7/2017 T
3/8/2017
3/9/2017 0.00
3/10/2017 0.00
3/11/2017 0.09
3/12/2017 0.00
3/13/2017 0.00
3/14/2017 1.17
3/15/2017 0.01
3/16/2017 T
3/17/2017 0.00
3/18/2017 0.04
3/19/2017 0.51
3/20/2017 0.01
3/21/2017 0.03
3/22/2017 0.00
3/23/2017 0.00
3/24/2017 0.00
3/25/2017 0.19
3/26/2017 0.00
3/27/2017 0.02
3/28/2017 0.07
3/29/2017 0.21
3/30/2017 0.00
3/31/2017 0.19
Day of YearDaily PrcpMultiday Prcp
4/1/2017 1.23
4/2/2017 0.00
4/3/2017 0.00
4/4/2017 0.07
4/5/2017 0.01
4/6/2017 T
4/7/2017 1.25
4/8/2017 0.02
4/9/2017 0.00
4/10/2017 0.00
4/11/2017 0.00
4/12/2017 0.00
4/13/2017 T
4/14/2017 0.00
4/15/2017 0.00
4/16/2017 0.00
4/17/2017 0.01
4/18/2017 0.10
4/19/2017 0.01
4/20/2017 0.02
4/21/2017 0.71
4/22/2017 0.02
4/23/2017 0.42
4/24/2017 0.03
4/25/2017 0.38
4/26/2017 0.12
4/27/2017 0.00
4/28/2017 0.02
4/29/2017 0.00
4/30/2017 T
5/1/2017 0.00
5/2/2017 0.04
5/3/2017 0.00
5/4/2017 0.00
5/5/2017 0.98
5/6/2017 1.33
5/7/2017 0.15
5/8/2017 T
5/9/2017 0.00
5/10/2017 0.00
5/11/2017 0.07
5/12/2017 1.52
5/13/2017 **
5/14/2017 0.92
5/15/2017 0.00
5/16/2017 0.00
5/17/2017 0.00
5/18/2017 0.00
5/19/2017 **
5/20/2017 **
5/21/2017 **
5/22/2017 0.60
5/23/2017 0.13
5/24/2017 0.30
5/25/2017 0.56
5/26/2017 0.15
5/27/2017 0.00
5/28/2017 0.06
5/29/2017 0.31
5/30/2017 0.01
5/31/2017 0.56
6/1/2017 0.06
6/2/2017 0.00
6/3/2017 0.00
6/4/2017 0.00
6/5/2017 0.00
6/6/2017 0.32
6/7/2017 0.00
6/8/2017 0.01
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 0.01
6/17/2017 0.19
6/18/2017 0.00
6/19/2017 0.00
6/20/2017 0.63
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 0.00
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 0.01
7/3/2017 0.01
7/4/2017 0.00
7/5/2017 0.10
7/6/2017 1.42
7/7/2017 1.17
7/8/2017 0.13
7/9/2017 0.00
7/10/2017 0.00
7/11/2017 0.00
7/12/2017 T
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 **
7/20/2017 **
7/21/2017 0.33
7/22/2017 0.00
7/23/2017 0.89
7/24/2017 0.75
7/25/2017 0.32
7/26/2017 0.00
7/27/2017 0.00
7/28/2017 0.01
7/29/2017 3.85
7/30/2017 0.05
7/31/2017 0.00
8/1/2017 0.00
8/2/2017 0.00
8/3/2017 0.02
8/4/2017 0.04
8/5/2017 0.00
8/6/2017 0.00
8/7/2017 0.11
8/8/2017 1.02
8/9/2017 0.00
8/10/2017 0.00
8/11/2017 0.00
8/12/2017 **
8/13/2017 **
8/14/2017 **
8/15/2017 **
8/16/2017 1.36
8/17/2017 0.00
8/18/2017 0.00
8/19/2017 0.24
8/20/2017 0.01
8/21/2017 0.00
8/22/2017 0.01
8/23/2017 0.00
8/24/2017 0.00
8/25/2017 0.09
8/26/2017 0.00
8/27/2017 0.00
8/28/2017 0.00
8/29/2017 0.26
8/30/2017 0.52
8/31/2017 0.00
9/1/2017 0.00
9/2/2017 0.55
9/3/2017 0.22
9/4/2017 0.00
9/5/2017 0.00
9/6/2017 0.34
9/7/2017 0.76
9/8/2017 0.00
9/9/2017 0.00
9/10/2017 0.00
9/11/2017 0.00
9/12/2017 0.01
9/13/2017 0.15
9/14/2017 0.05
9/15/2017 0.01
9/16/2017 0.00
9/17/2017 0.00
9/18/2017 0.00
9/19/2017 0.00
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
10/1/2016 9:00 AM 0.24 M M M M long periods of light rain, a couple showers
10/2/2016 7:50 AM 0.10 M M M M drizzly day, a brief shower
10/3/2016 7:45 AM 0.02 M M M M
10/4/2016 8:00 AM 0.00 0.0 M M M
10/5/2016 8:00 AM 0.00 0.0 M M M
10/6/2016 7:20 AM 0.00 0.0 M M M
10/7/2016 8:00 AM T M M M M
10/8/2016 8:00 AM 0.11 M M M M light rain overnight, and at time of reading; must be outer band of hurricane matthew. no wind.
10/9/2016 8:00 AM 0.20 M M M M rainy but calm day, under outer band of Matthew. breezy this morning. Nationals baseball playoff game postponed to Sunday.
10/10/2016 8:00 AM 0.00 0.0 M M M
10/11/2016 8:00 AM 0.00 0.0 M M M
10/12/2016 8:00 AM 0.00 0.0 M M M
10/13/2016 8:00 AM 0.00 0.0 M M M
10/14/2016 8:00 AM T M M M M A few fat raindrops mid-afternoon, just happened to be outside to see them
10/15/2016 8:00 AM 0.00 0.0 M M M
10/16/2016 8:00 AM 0.00 0.0 M M M
10/17/2016 8:00 AM 0.00 0.0 M M M
10/18/2016 8:00 AM 0.00 0.0 M M M
10/19/2016 8:00 AM 0.00 0.0 M M M
10/20/2016 8:00 AM 0.32 M M M M Heard it pouring outside just after midnight. Temps continue very unseasonably warm this week; records broken for highs.
10/21/2016 8:00 AM 0.00 0.0 M M M
10/22/2016 8:00 AM 0.37 M M M M black clouds in the west for some hours finally opened up, Friday mid-afternoon. Heard the wind pick up late evening. Saturday morning brings seasonably cool weather, clouds, and wind.
10/23/2016 8:00 AM 0.00 0.0 M M M
10/24/2016 8:00 AM 0.00 0.0 M M M
10/25/2016 8:00 AM 0.00 0.0 M M M
10/26/2016 8:00 AM 0.00 0.0 M M M
10/27/2016 7:45 AM 0.00 0.0 M M M
10/28/2016 8:00 AM 0.08 M M M M light rain in afternoon
10/29/2016 8:00 AM 0.00 0.0 M M M
10/30/2016 8:00 AM 0.00 0.0 M M M
10/31/2016 8:00 AM 0.05 M M M M Cold front passed shortly after sunset, with some wind and a bit of rain, and spooky pre-Halloween clouds
11/1/2016 8:00 AM 0.00 0.0 M M M
11/2/2016 8:00 AM 0.00 0.0 M M M
11/3/2016 8:00 AM 0.00 0.0 M M M
11/4/2016 8:00 AM 0.02 M M M M
11/5/2016 8:00 AM 0.00 0.0 M M M
11/6/2016 7:00 AM 0.00 0.0 M M M
11/7/2016 7:20 AM 0.00 0.0 M M M
11/8/2016 8:00 AM 0.00 0.0 M M M
11/9/2016 8:00 AM 0.16 M M M M A grey, depressing day
11/10/2016 8:00 AM 0.05 M M M M
11/11/2016 8:00 AM 0.00 0.0 M M M
11/12/2016 8:00 AM 0.00 0.0 M M M
11/13/2016 8:00 AM 0.00 0.0 M M M
11/14/2016 8:00 AM 0.00 0.0 M M M
11/15/2016 8:00 AM 0.05 M M M M very light rain in the evening, may have gotten a little heavier late night (heard it in the gutters)
11/16/2016 8:00 AM 0.00 0.0 M M M
11/17/2016 8:00 AM 0.01 M M M M
11/18/2016 8:00 AM 0.00 0.0 M M M
11/19/2016 8:00 AM 0.00 0.0 M M M
11/20/2016 8:00 AM 0.03 M M M M cold front went over about 4 PM, a spattering of rain but the high winds are stripping the trees. Very windy this morning still
11/21/2016 8:00 AM 0.00 0.0 M M M Sunday continued very windy all day and into the night. Small branches stripped from trees. Finally feels wintry, not summer-ish.
11/22/2016 8:00 AM 0.00 0.0 M M M
11/23/2016 7:45 AM 0.00 0.0 M M M
11/24/2016 8:00 AM T M M M M
11/25/2016 8:00 AM 0.00 0.0 M M M
11/26/2016 8:00 AM 0.00 0.0 M M M
11/27/2016 8:00 AM 0.00 0.0 M M M
11/28/2016 8:00 AM 0.00 0.0 M M M
11/29/2016 8:00 AM 0.01 M M M M
11/30/2016 8:15 AM 0.30 M M M M raining; took measurement just after a heavier burst; thunderclap
12/1/2016 8:00 AM 0.83 M M M M evening rain, some heavy, surprised no thunder
12/2/2016 8:00 AM 0.00 0.0 M M M
12/3/2016 8:00 AM 0.00 0.0 M M M
12/4/2016 8:00 AM 0.00 0.0 M M M
12/5/2016 8:00 AM 0.32 M M M M light rain overnight
12/6/2016 8:00 AM 0.00 0.0 M M M
12/7/2016 8:00 AM 1.10 M M M M rain essentially all day
12/8/2016 7:20 AM 0.00 0.0 M M M
12/9/2016 8:00 AM 0.00 0.0 M M M
12/10/2016 7:45 AM 0.00 0.0 M M M
12/11/2016 8:00 AM 0.00 0.0 M M M
12/12/2016 8:00 AM 0.14 M M M M overnight showers
12/13/2016 8:00 AM 0.01 M M M M
12/14/2016 8:00 AM 0.00 0.0 M M M
12/15/2016 7:20 AM 0.00 0.0 M M M
12/16/2016 8:00 AM 0.00 0.0 M M M
12/17/2016 9:30 AM 0.16 M M T M Some was ice that I had to take in and melt. Freezing rain came through in the early morning hours. Everything coated, about 1/10 inch. Major road accidents throughout our metro area. QUESTION - this form has "New Snowfall" and "Total Snow and Ice". Why isn't it "New Snowfall AND ICE"?
12/18/2016 8:00 AM 0.00 0.0 M M M all rain was reported yesterday. Very unseasonable 60 degrees right now and about to plummet again as more rain heading toward us
12/19/2016 8:00 AM 0.01 M M M M
12/20/2016 8:00 AM 0.00 0.0 M M M
12/21/2016 8:00 AM 0.00 0.0 M M M
12/22/2016 8:00 AM 0.00 0.0 M M M
12/23/2016 8:00 AM 0.00 0.0 M M M
12/24/2016 8:40 AM 0.48 M M M M rain started overnight (sometimes heavy), continues now. Happy holidays to all!
12/25/2016 8:00 AM 0.07 M M M M Remainder of yesterday's rain, ended midday. Merry Christmas!
12/26/2016 8:00 AM 0.00 0.0 M M M
12/27/2016 8:00 AM 0.01 M M M M
12/28/2016 8:00 AM 0.00 0.0 M M M
12/29/2016 8:00 AM 0.18 M M M M
12/30/2016 8:00 AM 0.01 M M M M
12/31/2016 8:00 AM T T M 0.0 M a few flakes in the air, mostly going up (rather windy) - first snow I've seen this winter. Didn't stick. From a couple passing clouds. Happy New Year's Eve!
1/1/2017 8:00 AM 0.00 0.0 M M M
1/2/2017 9:00 AM 0.18 M M M M light rain overnight and continues now
1/3/2017 9:00 AM 0.69 M M M M rain, drizzle, now more steady rain
1/4/2017 8:00 AM 0.40 M M M M remainder of yesterday's showers
1/5/2017 8:00 AM 0.03 M M M M
1/6/2017 8:00 AM T T M T M snowflakes!
1/7/2017 8:30 AM 0.01 T M T M very fine, light snow continues to fall. Just a dusting
1/8/2017 8:00 AM 0.04 0.5 M 0.5 M fine snow that fell yesterday morning and early afternoon.
1/9/2017 8:00 AM 0.00 0.0 M T M
1/10/2017 8:00 AM 0.00 0.0 M T M
1/11/2017 8:00 AM 0.02 0.0 M T M some rain just after midnight sounded like more than this. Still a few lumps of snow here and there.
1/12/2017 8:00 AM 0.06 M M M M
1/13/2017 8:00 AM 0.00 0.0 M M M
1/14/2017 8:00 AM 0.04 M M M M started just before midnight, heard sleet pellets; just wet this morning and continuing to rain lightly - about 33 degrees, thank goodness no ice
1/15/2017 8:00 AM 0.27 0.0 M 0.0 M light rain thru much of the day
1/16/2017 8:00 AM 0.00 0.0 M M M
1/17/2017 8:00 AM 0.06 M M M M light rain began late night, sprinkling now
1/18/2017 8:00 AM 0.20 M M M M several hours of nice soaking light rain
1/19/2017 7:20 AM 0.00 0.0 M M M
1/20/2017 8:00 AM 0.00 0.0 M M M
1/21/2017 8:00 AM 0.02 M M M M A few periods of drizzle at noon and later. A gray day. Sad.
1/22/2017 8:00 AM 0.01 M M M M Drizzle now and then, but didn't keep us away from Marching.
1/23/2017 8:00 AM 0.22 M M M M winds started before dawn, noreaster comin up the coast
1/24/2017 8:00 AM 0.89 M M M M
1/25/2017 8:00 AM 0.01 M M M M
1/26/2017 7:20 AM 0.00 0.0 M M M
1/27/2017 8:00 AM 0.00 0.0 M M M
1/28/2017 8:00 AM 0.00 0.0 M M M
1/29/2017 8:00 AM 0.00 0.0 M M M
1/30/2017 8:00 AM 0.05 0.7 M 0.5 M snow during the dark hours; did not stick to roads
1/31/2017 8:00 AM T T M T M noticed a couple of brief flurries during the day yesterday. Just a couple of tiny bits of graupel in the tube this morning. A bit of snow remains in shady spots.
2/1/2017 8:00 AM 0.00 0.0 M M M
2/2/2017 8:00 AM 0.00 0.0 M M M
2/3/2017 8:00 AM 0.00 0.0 M M M
2/4/2017 8:00 AM 0.00 0.0 M M M
2/5/2017 8:00 AM 0.00 0.0 M M M
2/6/2017 7:00 AM 0.00 0.0 M M M
2/7/2017 8:00 AM 0.00 0.0 M M M
2/8/2017 8:00 AM T M M M M
2/9/2017 8:00 AM 0.19 0.0 M 0.0 M
2/10/2017 8:00 AM 0.01 0.1 M T M Mostly from a late-afternoon snow squall, there were a couple other times during the day of a few snowflakes. Most of it went sideways, it was windy with some strong gusts, so I'm surprised anything made it into the tube. A little snow hides in the grass at time of reading.
2/11/2017 8:00 AM 0.00 0.0 M 0.0 M
2/12/2017 8:00 AM 0.00 0.0 M M M
2/13/2017 8:00 AM 0.04 M M M M a bit of rain arrived with a strong front - high winds began around 10:30 PM and continue today
2/14/2017 8:00 AM 0.00 0.0 M M M
2/15/2017 8:00 AM 0.01 T M 0.0 M Surprised to see snowflakes around noon. Did not stick.
2/16/2017 7:20 AM 0.00 0.0 M M M
2/17/2017 8:00 AM T T M 0.0 M a few flakes of snow in the air yesterday morning
2/18/2017 8:00 AM 0.00 0.0 M M M
2/19/2017 8:00 AM 0.01 M M M M rain in the late night
2/20/2017 8:00 AM 0.00 0.0 M M M
2/21/2017 8:00 AM 0.00 0.0 M M M
2/22/2017 8:00 AM 0.00 0.0 M M M
2/23/2017 7:45 AM 0.00 0.0 M M M
2/24/2017 8:00 AM 0.00 0.0 M M M Another record-breaking day predicted: 80 degrees. February? Scary.
2/25/2017 8:00 AM 0.00 0.0 M M M
2/26/2017 8:00 AM 0.11 M M M M cold front in mid-afternoon. Today finally down to average temps; cherry, magnolia and forsythia have bloomed and some tree leaves budding. A month early.
2/27/2017 8:00 AM 0.00 0.0 M M M
2/28/2017 8:00 AM 0.00 0.0 M M M
3/1/2017 8:00 AM 0.47 M M M M nice soaking rain, not too heavy, started about 5 PM and lasted several hours
3/2/2017 8:00 AM 0.09 M M M M
3/3/2017 8:00 AM 0.01 T M T M Looks like a bit of snow sometime overnight. Liquid in the tube and a little graupel in the funnel. Happy to have normal March weather, hope the blooms on the trees don't mind.
3/4/2017 8:00 AM 0.00 0.0 M M M
3/5/2017 8:00 AM 0.00 0.0 M M M
3/6/2017 8:00 AM 0.00 0.0 M M M normal March weather!
3/7/2017 8:00 AM T M M M M
3/9/2017 8:00 AM 0.00 0.0 M M M
3/10/2017 7:20 AM 0.00 0.0 M M M
3/11/2017 7:20 AM 0.09 M M M M most as slushy wet snow or graupel, melted on impact
3/12/2017 8:00 AM 0.00 0.0 M M M
3/13/2017 8:00 AM 0.00 0.0 M M M
3/14/2017 8:30 AM 1.17 3.2 M 3.0 M Fat flakes started falling around 6PM, a few snow showers. Fell continuously after 8:30 PM or so, changing to sleet overnight. Snow on ground has icy crust that I could walk on without falling through. Icy drizzle at time of reading.
3/15/2017 8:00 AM 0.01 T M 2.0 M a few raindrops and snowflakes, and a lot of wind, at the tail of the storm
3/16/2017 8:00 AM T T M 2.0 M a few random snowflakes, not above freezing all day
3/17/2017 8:00 AM 0.00 0.0 M 1.5 M snow is still packed and icy - like walking on concrete
3/18/2017 8:00 AM 0.04 0.0 M 1.0 M light rain overnight. Patches bare of snow appearing in the yard.
3/19/2017 9:00 AM 0.51 T M T M A bit of fine wet snow in the air, barely above freezing, at time of reading. Only shoveled piles of snow remain on the ground.
3/20/2017 8:00 AM 0.01 T M T M
3/21/2017 8:00 AM 0.03 0.0 M T M A little rain overnight. Some remnants of shoveled snow still remain, here and there.
3/22/2017 8:00 AM 0.00 0.0 M T M A little snow remains in shoveled lumps - perhaps it was so icy that it takes longer to melt.
3/23/2017 7:20 AM 0.00 0.0 M T M Still stubborn lumps of snow along the curbs.
3/24/2017 8:00 AM 0.00 0.0 M 0.0 M Declaring: the snow is all gone!
3/25/2017 8:00 AM 0.19 M M M M
3/26/2017 8:00 AM 0.00 0.0 M M M
3/27/2017 8:00 AM 0.02 M M M M
3/28/2017 8:00 AM 0.07 M M M M a few loud rumbles of thunder around 4 AM. BOOM!
3/29/2017 8:00 AM 0.21 M M M M
3/30/2017 8:00 AM 0.00 0.0 M M M
3/31/2017 8:00 AM 0.19 M M M M
4/1/2017 8:45 AM 1.23 M M M M
4/2/2017 7:20 AM 0.00 0.0 M M M
4/3/2017 8:00 AM 0.00 0.0 M M M
4/4/2017 8:00 AM 0.07 M M M M
4/5/2017 8:00 AM 0.01 M M M M
4/6/2017 8:00 AM T M M M M
4/7/2017 8:00 AM 1.25 M M M M strong storms and downpours (so I'm told, I wasn't near a window during that time)
4/8/2017 8:00 AM 0.02 M M M M
4/9/2017 8:00 AM 0.00 0.0 M M M
4/10/2017 8:00 AM 0.00 0.0 M M M
4/11/2017 8:00 AM 0.00 0.0 M M M
4/12/2017 7:20 AM 0.00 0.0 M M M
4/13/2017 8:00 AM T M M M M
4/14/2017 8:00 AM 0.00 0.0 M M M
4/15/2017 8:00 AM 0.00 0.0 M M M
4/16/2017 8:00 AM 0.00 0.0 M M M
4/17/2017 8:00 AM 0.01 M M M M
4/18/2017 8:00 AM 0.10 M M M M
4/19/2017 8:00 AM 0.01 M M M M
4/20/2017 8:00 AM 0.02 M M M M rain at time of reading
4/21/2017 8:00 AM 0.71 M M M M mostly from a thunderstorm around sunset - a bit of thunder and a downpour
4/22/2017 8:00 AM 0.02 M M M M
4/23/2017 8:00 AM 0.42 M M M M drizzle and light rain for much of the day - but did not keep up from the SCIENCE MARCH in DC!!!
4/24/2017 7:20 AM 0.03 M M M M
4/25/2017 8:00 AM 0.38 M M M M a plain ol' rainy April day
4/26/2017 8:00 AM 0.12 M M M M
4/27/2017 8:00 AM 0.00 0.0 M M M
4/28/2017 8:00 AM 0.02 M M M M
4/29/2017 8:00 AM 0.00 0.0 M M M
4/30/2017 8:00 AM T M M M M
5/1/2017 8:00 AM 0.00 0.0 M M M
5/2/2017 8:00 AM 0.04 M M M M
5/3/2017 8:00 AM 0.00 0.0 M M M
5/4/2017 8:00 AM 0.00 0.0 M M M
5/5/2017 8:00 AM 0.98 M M M M Pouring at time of reading, has been raining since evening. Yard is a swamp.
5/6/2017 8:00 AM 1.33 M M M M some heavy rain, particularly mid-morning (with temporary street closures due to flash floods) and before midnight
5/7/2017 8:00 AM 0.15 M M M M light rain and drizzle for much of the hours till dinnertime
5/8/2017 8:00 AM T M M M M
5/9/2017 8:00 AM 0.00 0.0 M M M
5/10/2017 7:20 AM 0.00 0.0 M M M
5/11/2017 7:45 AM 0.07 M M M M starting raining about 15 minutes previous
5/12/2017 8:00 AM 1.52 M M M M rain most of the day
5/15/2017 8:00 AM 0.00 0.0 M M M
5/16/2017 8:00 AM 0.00 0.0 M M M
5/17/2017 5:55 AM 0.00 0.0 M M M
5/18/2017 8:00 AM 0.00 0.0 M M M
5/23/2017 8:00 AM 0.13 M M M M
5/24/2017 8:00 AM 0.30 M M M M
5/25/2017 8:00 AM 0.56 M M M M
5/26/2017 8:00 AM 0.15 M M M M
5/27/2017 8:00 AM 0.00 0.0 M M M
5/28/2017 8:00 AM 0.06 M M M M a couple of brief showers
5/29/2017 8:00 AM 0.31 M M M M It's been a cloudy, damp Memorial weekend
5/30/2017 8:00 AM 0.01 M M M M
5/31/2017 8:00 AM 0.56 M M M M Mainly from a chain of evening thunderstorms.
6/1/2017 8:00 AM 0.06 M M M M mid-afternoon shower, a little thunder
6/2/2017 8:00 AM 0.00 0.0 M M M
6/3/2017 8:00 AM 0.00 0.0 M M M Beautiful day. Finally dry enough to mow the lawn.
6/4/2017 8:00 AM 0.00 0.0 M M M
6/5/2017 7:45 AM 0.00 0.0 M M M
6/6/2017 8:00 AM 0.32 M M M M
6/7/2017 7:45 AM 0.00 0.0 M M M
6/8/2017 8:00 AM 0.01 M M M M
6/9/2017 8:00 AM 0.00 0.0 M M M
6/10/2017 8:00 AM 0.00 0.0 M M M
6/11/2017 8:00 AM 0.00 0.0 M M M hot and getting hotter
6/12/2017 8:00 AM 0.00 0.0 M M M
6/13/2017 7:45 AM 0.00 0.0 M M M
6/14/2017 8:00 AM 0.00 0.0 M M M another stinkin' hot day
6/15/2017 8:00 AM 0.00 0.0 M M M
6/16/2017 7:20 AM 0.01 M M M M
6/17/2017 8:00 AM 0.19 M M M M mostly a downpour in the late evening
6/18/2017 8:00 AM 0.00 0.0 M M M
6/19/2017 8:00 AM 0.00 0.0 M M M
6/20/2017 8:00 AM 0.63 M M M M Strong front went through about 3:30 pm. Not extremely windy or much lightning, but enough to knock out power for 5 hours.
6/21/2017 8:00 AM 0.00 0.0 M M M
6/22/2017 8:00 AM 0.00 0.0 M M M
6/23/2017 8:00 AM 0.14 M M M M
6/24/2017 8:00 AM 0.21 M M M M
6/25/2017 8:00 AM 0.00 0.0 M M M
6/26/2017 7:30 AM 0.00 0.0 M M M
6/27/2017 8:00 AM 0.00 0.0 M M M
6/28/2017 8:00 AM 0.00 0.0 M M M
6/29/2017 8:00 AM 0.00 0.0 M M M
6/30/2017 8:00 AM 0.00 0.0 M M M
7/1/2017 8:00 AM 0.00 0.0 M M M
7/2/2017 8:00 AM 0.01 M M M M Scary dark clouds to north and south of us around 3 PM - only a spattering of rain here, alas. Ground very dry but not cracked earth, yet.
7/3/2017 8:00 AM 0.01 M M M M
7/4/2017 8:00 AM 0.00 0.0 M M M Happy Independence Day!
7/5/2017 8:00 AM 0.10 M M M M
7/6/2017 8:00 AM 1.42 M M M M fairly steady rain since yesterday evening, cloud is parked over metro DC. Nice soak for the ground, it's been dry
7/7/2017 8:00 AM 1.17 M M M M rain, fairly steady, pretty much all day
7/8/2017 8:00 AM 0.13 M M M M couple showers, morning and evening
7/9/2017 8:00 AM 0.00 0.0 M M M
7/10/2017 8:00 AM 0.00 0.0 M M M
7/11/2017 8:00 AM 0.00 0.0 M M M
7/12/2017 8:00 AM T M M M M
7/13/2017 8:00 AM 0.00 0.0 M M M
7/14/2017 8:00 AM 0.00 0.0 M M M
7/22/2017 8:00 AM 0.00 0.0 M M M
7/23/2017 8:00 AM 0.89 M M M M A couple of thundershowers. Spooky swirling clouds in the first one
7/24/2017 8:00 AM 0.75 M M M M A little in the afternoon, a lot around 11 PM. A weekend of thunderstorms.
7/25/2017 8:00 AM 0.32 M M M M One of those little summer storms that form right overhead
7/26/2017 8:00 AM 0.00 0.0 M M M
7/27/2017 8:00 AM 0.00 0.0 M M M
7/28/2017 8:00 AM 0.01 M M M M Before the deluge
7/29/2017 8:00 AM 3.85 M M M M rain, quite heavy at times, essentially all day.
7/30/2017 8:00 AM 0.05 M M M M
7/31/2017 7:15 AM 0.00 0.0 M M M
8/1/2017 8:00 AM 0.00 0.0 M M M
8/2/2017 8:00 AM 0.00 0.0 M M M
8/3/2017 8:00 AM 0.02 M M M M One of those little pop-up showers
8/4/2017 8:00 AM 0.04 M M M M One of those summer evenings where trains of little thundershowers pass to either side of us. Lots of thunder, not much precip.
8/5/2017 8:00 AM 0.00 0.0 M M M
8/6/2017 8:00 AM 0.00 0.0 M M M
8/7/2017 8:25 AM 0.11 M M M M light rain at time of reading; rain overnight with more to come today
8/8/2017 8:00 AM 1.02 M M M M Just overflowed the inner cylinder. Very rainy during the day yesterday, tapered off after mid-afternoon.
8/9/2017 7:45 AM 0.00 0.0 M M M
8/10/2017 6:50 AM 0.00 0.0 M M M
8/11/2017 8:00 AM 0.00 0.0 M M M
8/17/2017 7:45 AM 0.00 0.0 M M M
8/18/2017 8:00 AM 0.00 0.0 M M M
8/19/2017 8:00 AM 0.24 M M M M Toward the end of a very hot and humid day, squall line went through about 6 PM. Heard thunder previous to that but those storms stayed to our NW.
8/20/2017 8:00 AM 0.01 M M M M spattering of rain around 10 pm
8/21/2017 7:45 AM 0.00 0.0 M M M
8/22/2017 8:00 AM 0.01 M M M M A small thundershower around 3 PM, soon after our max point of the solar eclipse. Pinhole-projected a beautiful crescent, about 80%. Surprised that was enough to dim the light - eerie. Temperature dropped, but don't know if it was due to eclipse or thunderstorm.
8/23/2017 8:00 AM 0.00 0.0 M M M storms went to either side last night
8/24/2017 8:00 AM 0.00 0.0 M M M
8/25/2017 8:00 AM 0.09 M M M M
8/26/2017 8:00 AM 0.00 0.0 M M M
8/27/2017 8:00 AM 0.00 0.0 M M M
8/28/2017 7:15 AM 0.00 0.0 M M M
8/29/2017 8:30 AM 0.26 M M M M storm going up East coast
8/30/2017 8:00 AM 0.52 M M M M rain through around 6 pm
8/31/2017 8:00 AM 0.00 0.0 M M M
9/1/2017 8:00 AM 0.00 0.0 M M M
9/2/2017 8:40 AM 0.55 M M M M rain at time of reading
9/3/2017 8:00 AM 0.22 M M M M rain in morning changed to drizzle most of the rest of the day
9/4/2017 8:00 AM 0.00 0.0 M M M
9/5/2017 8:00 AM 0.00 0.0 M M M
9/6/2017 8:00 AM 0.34 M M M M a few small thunderstorms, at 6 PM and during the night
9/7/2017 8:00 AM 0.76 M M M M gentle rain through most of the period
9/8/2017 8:00 AM 0.00 0.0 M M M
9/9/2017 8:00 AM 0.00 0.0 M M M
9/10/2017 8:00 AM 0.00 0.0 M M M
9/11/2017 8:00 AM 0.00 0.0 M M M
9/12/2017 7:45 AM 0.01 0.0 M M M
9/13/2017 8:00 AM 0.15 M M M M light rain overnight to time of reading
9/14/2017 8:00 AM 0.05 M M M M
9/15/2017 8:00 AM 0.01 M M M M
9/16/2017 8:00 AM 0.00 0.0 M M M
9/17/2017 8:00 AM 0.00 0.0 M M M
9/18/2017 8:00 AM 0.00 0.0 M M M
9/19/2017 8:00 AM 0.00 0.0 M M M
9/20/2017 8:00 AM 0.00 0.0 M M M bit of a breeze as Jose passed along the shore
9/21/2017 8:00 AM 0.00 0.0 M M M
9/22/2017 8:00 AM 0.00 0.0 M M M
9/23/2017 8:00 AM 0.00 0.0 M M M
9/24/2017 8:00 AM 0.00 0.0 M M M
9/25/2017 7:45 AM 0.00 0.0 M M M
9/26/2017 8:00 AM 0.00 0.0 M M M
9/27/2017 8:00 AM 0.00 0.0 M M M
9/28/2017 6:00 AM 0.00 0.0 M M M
9/29/2017 6:00 AM 0.00 0.0 M M M getting quite dry on the ground
9/30/2017 8:00 AM 0.00 0.0 M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
5/13/2017 5/14/2017 8:00 AM 2 0.92 M M lots of rain Friday, Friday night. Changed to drizzle by Saturday morning and stopped by the 9 AM college graduation for our son, always held outdoors at UMW. Congrats class of 2017!
5/19/2017 5/22/2017 7:10 AM 4 0.60 M M raining when the tube was emptied. A ring of pollen at .20, probably for 5/19
7/15/2017 7/21/2017 8:00 AM 7 0.33 M M
8/12/2017 8/16/2017 8:00 AM 5 1.36 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