Station Overview Station Location
Station Number MD-PG-3 Latitude 38.7953
Station Name Oxon Hill 1.1 W Longitude -76.9955
County Prince George's Elevation (ft) 184



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 17 3.61 2.55 31 2.55 31 0.00 0 0 10 2 0.0 0 0
Nov 17 3.32 2.26 30 2.26 30 0.00 0 0 9 2 0.0 0 0
Dec 17 3.23 0.66 31 0.66 31 0.00 0 0 8 7 3.2 3 2
Jan 18 3.00 1.08 31 1.08 31 0.00 0 0 9 4 1.2 2 6
Feb 18 2.68 6.13 28 6.13 28 0.00 0 0 16 3 0.8 1 1
March 18 3.65 2.35 31 2.35 31 0.00 0 0 10 4 5.8 3 2
April 18 3.31 3.27 30 3.27 30 0.00 0 0 11 3 0.0 0 0
May 18 4.17 7.91 31 7.91 31 0.00 0 0 14 4 0.0 0 0
June 18 3.80 6.04 30 6.04 30 0.00 0 0 12 4 0.0 0 0
July 18 3.96 7.25 31 7.25 31 0.00 0 0 9 3 0.0 0 0
Aug 18 3.23 5.78 31 5.78 31 0.00 0 0 7 4 0.0 0 0
Sept 18 3.68 7.63 30 7.63 30 0.00 0 0 16 5 0.0 0 0
Water Year Totals: 41.64" 52.91" 365 days 52.91" 365 0.00" 0 days 0 131 days 45 days 11.0" 9 days 11 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
10/1/2017 0.00
10/2/2017 0.00
10/3/2017 0.00
10/4/2017 0.00
10/5/2017 0.00
10/6/2017 0.00
10/7/2017 0.00
10/8/2017 T
10/9/2017 0.16
10/10/2017 0.46
10/11/2017 0.00
10/12/2017 0.18
10/13/2017 T
10/14/2017 0.03
10/15/2017 0.01
10/16/2017 0.22
10/17/2017 0.01
10/18/2017 0.00
10/19/2017 0.00
10/20/2017 0.00
10/21/2017 0.00
10/22/2017 0.00
10/23/2017 0.00
10/24/2017 0.17
10/25/2017 0.00
10/26/2017 0.00
10/27/2017 0.00
10/28/2017 0.00
10/29/2017 0.24
10/30/2017 1.07
10/31/2017 0.00
11/1/2017 0.00
11/2/2017 T
11/3/2017 0.00
11/4/2017 0.00
11/5/2017 0.68
11/6/2017 0.04
11/7/2017 T
11/8/2017 1.15
11/9/2017 0.01
11/10/2017 0.04
11/11/2017 0.00
11/12/2017 0.00
11/13/2017 0.20
11/14/2017 0.00
11/15/2017 0.00
11/16/2017 0.01
11/17/2017 0.00
11/18/2017 0.00
11/19/2017 0.09
11/20/2017 0.00
11/21/2017 0.00
11/22/2017 0.04
11/23/2017 0.00
11/24/2017 0.00
11/25/2017 0.00
11/26/2017 0.00
11/27/2017 0.00
11/28/2017 0.00
11/29/2017 0.00
11/30/2017 0.00
12/1/2017 0.01
12/2/2017 0.00
12/3/2017 0.04
12/4/2017 0.00
12/5/2017 0.00
12/6/2017 0.11
12/7/2017 0.00
12/8/2017 0.00
12/9/2017 T
12/10/2017 0.18
12/11/2017 0.00
12/12/2017 0.00
12/13/2017 T
12/14/2017 T
12/15/2017 0.00
12/16/2017 0.02
12/17/2017 0.00
12/18/2017 T
12/19/2017 0.00
12/20/2017 0.00
12/21/2017 0.00
12/22/2017 0.00
12/23/2017 0.01
12/24/2017 0.25
12/25/2017 T
12/26/2017 0.00
12/27/2017 0.00
12/28/2017 T
12/29/2017 0.00
12/30/2017 0.04
12/31/2017 T
Day of YearDaily PrcpMultiday Prcp
1/1/2018 0.00
1/2/2018 0.00
1/3/2018 0.00
1/4/2018 0.08
1/5/2018 T
1/6/2018 0.00
1/7/2018 0.00
1/8/2018 0.00
1/9/2018 0.06
1/10/2018 0.00
1/11/2018 0.00
1/12/2018 0.14
1/13/2018 0.38
1/14/2018 0.00
1/15/2018 0.00
1/16/2018 0.00
1/17/2018 0.03
1/18/2018 T
1/19/2018 0.00
1/20/2018 0.00
1/21/2018 0.00
1/22/2018 T
1/23/2018 0.13
1/24/2018 T
1/25/2018 0.00
1/26/2018 0.00
1/27/2018 0.00
1/28/2018 0.10
1/29/2018 0.15
1/30/2018 0.01
1/31/2018 0.00
2/1/2018 0.00
2/2/2018 0.08
2/3/2018 0.00
2/4/2018 0.00
2/5/2018 1.10
2/6/2018 0.00
2/7/2018 0.01
2/8/2018 0.50
2/9/2018 0.00
2/10/2018 0.00
2/11/2018 2.57
2/12/2018 0.60
2/13/2018 0.09
2/14/2018 T
2/15/2018 0.07
2/16/2018 0.04
2/17/2018 0.05
2/18/2018 0.50
2/19/2018 0.01
2/20/2018 0.02
2/21/2018 0.00
2/22/2018 0.00
2/23/2018 0.07
2/24/2018 T
2/25/2018 0.23
2/26/2018 0.19
2/27/2018 T
2/28/2018 0.00
3/1/2018 0.00
3/2/2018 0.12
3/3/2018 T
3/4/2018 0.00
3/5/2018 0.00
3/6/2018 0.00
3/7/2018 0.40
3/8/2018 0.02
3/9/2018 0.00
3/10/2018 0.00
3/11/2018 0.00
3/12/2018 0.00
3/13/2018 0.03
3/14/2018 0.00
3/15/2018 0.00
3/16/2018 0.00
3/17/2018 T
3/18/2018 T
3/19/2018 0.00
3/20/2018 0.17
3/21/2018 0.97
3/22/2018 0.49
3/23/2018 0.00
3/24/2018 0.00
3/25/2018 0.00
3/26/2018 0.02
3/27/2018 0.00
3/28/2018 0.03
3/29/2018 0.10
3/30/2018 0.00
3/31/2018 T
Day of YearDaily PrcpMultiday Prcp
4/1/2018 0.00
4/2/2018 0.04
4/3/2018 0.01
4/4/2018 T
4/5/2018 T
4/6/2018 0.00
4/7/2018 0.00
4/8/2018 T
4/9/2018 0.00
4/10/2018 0.02
4/11/2018 0.00
4/12/2018 0.00
4/13/2018 0.00
4/14/2018 0.00
4/15/2018 0.00
4/16/2018 1.43
4/17/2018 0.25
4/18/2018 0.00
4/19/2018 0.00
4/20/2018 0.05
4/21/2018 0.00
4/22/2018 0.00
4/23/2018 0.00
4/24/2018 0.00
4/25/2018 0.66
4/26/2018 0.05
4/27/2018 0.74
4/28/2018 0.01
4/29/2018 0.01
4/30/2018 0.00
5/1/2018 0.00
5/2/2018 0.00
5/3/2018 0.00
5/4/2018 0.00
5/5/2018 0.01
5/6/2018 T
5/7/2018 0.00
5/8/2018 0.00
5/9/2018 0.00
5/10/2018 0.00
5/11/2018 0.02
5/12/2018 0.00
5/13/2018 0.53
5/14/2018 0.50
5/15/2018 1.05
5/16/2018 1.14
5/17/2018 0.81
5/18/2018 1.44
5/19/2018 1.37
5/20/2018 0.05
5/21/2018 0.00
5/22/2018 T
5/23/2018 0.85
5/24/2018 0.00
5/25/2018 0.00
5/26/2018 0.00
5/27/2018 0.01
5/28/2018 0.04
5/29/2018 T
5/30/2018 T
5/31/2018 0.09
6/1/2018 0.87
6/2/2018 0.04
6/3/2018 0.38
6/4/2018 1.73
6/5/2018 0.00
6/6/2018 0.00
6/7/2018 0.00
6/8/2018 0.00
6/9/2018 0.00
6/10/2018 0.33
6/11/2018 0.38
6/12/2018 T
6/13/2018 T
6/14/2018 T
6/15/2018 0.00
6/16/2018 0.00
6/17/2018 0.00
6/18/2018 0.00
6/19/2018 0.00
6/20/2018 1.43
6/21/2018 0.13
6/22/2018 0.03
6/23/2018 0.39
6/24/2018 0.01
6/25/2018 0.32
6/26/2018 0.00
6/27/2018 0.00
6/28/2018 T
6/29/2018 0.00
6/30/2018 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2018 0.00
7/2/2018 0.00
7/3/2018 0.00
7/4/2018 0.00
7/5/2018 0.00
7/6/2018 0.00
7/7/2018 T
7/8/2018 0.00
7/9/2018 0.00
7/10/2018 0.00
7/11/2018 0.00
7/12/2018 0.00
7/13/2018 0.00
7/14/2018 0.00
7/15/2018 0.00
7/16/2018 T
7/17/2018 0.17
7/18/2018 0.75
7/19/2018 0.00
7/20/2018 0.00
7/21/2018 T
7/22/2018 3.63
7/23/2018 1.24
7/24/2018 0.13
7/25/2018 0.40
7/26/2018 0.51
7/27/2018 0.00
7/28/2018 0.01
7/29/2018 0.00
7/30/2018 0.00
7/31/2018 0.41
8/1/2018 0.07
8/2/2018 0.00
8/3/2018 2.22
8/4/2018 0.30
8/5/2018 0.00
8/6/2018 0.00
8/7/2018 T
8/8/2018 0.00
8/9/2018 0.00
8/10/2018 0.00
8/11/2018 0.00
8/12/2018 0.32
8/13/2018 0.52
8/14/2018 0.00
8/15/2018 0.00
8/16/2018 0.00
8/17/2018 0.00
8/18/2018 T
8/19/2018 0.00
8/20/2018 T
8/21/2018 0.00
8/22/2018 2.16
8/23/2018 0.19
8/24/2018 0.00
8/25/2018 0.00
8/26/2018 0.00
8/27/2018 0.00
8/28/2018 0.00
8/29/2018 0.00
8/30/2018 0.00
8/31/2018 T
9/1/2018 0.52
9/2/2018 0.99
9/3/2018 0.00
9/4/2018 0.00
9/5/2018 0.00
9/6/2018 0.00
9/7/2018 0.00
9/8/2018 0.73
9/9/2018 0.54
9/10/2018 1.35
9/11/2018 0.02
9/12/2018 T
9/13/2018 0.32
9/14/2018 T
9/15/2018 T
9/16/2018 T
9/17/2018 0.00
9/18/2018 0.26
9/19/2018 0.06
9/20/2018 0.00
9/21/2018 T
9/22/2018 0.28
9/23/2018 0.33
9/24/2018 0.87
9/25/2018 0.28
9/26/2018 0.05
9/27/2018 0.17
9/28/2018 0.86
9/29/2018 0.00
9/30/2018 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2017 7:00 AM 0.00 0.0 M 0.0 M
10/2/2017 7:00 AM 0.00 0.0 M 0.0 M
10/3/2017 7:00 AM 0.00 0.0 M 0.0 M
10/4/2017 7:00 AM 0.00 0.0 M 0.0 M
10/5/2017 7:00 AM 0.00 0.0 M 0.0 M
10/6/2017 7:00 AM 0.00 0.0 M 0.0 M
10/7/2017 6:00 AM 0.00 0.0 M 0.0 M
10/8/2017 6:00 AM T 0.0 M 0.0 M -SHRA predawn.
10/9/2017 7:00 AM 0.16 0.0 M 0.0 M -SHRA noon-4PM, T. SHRA 11PM-midnight, 0.05. -RA/RA began 5AM, .11. RA at obs time.
10/10/2017 7:00 AM 0.46 0.0 M 0.0 M -RA/RA ended late morning.
10/11/2017 7:00 AM 0.00 0.0 M 0.0 M
10/12/2017 7:45 AM 0.18 0.0 M 0.0 M -SHRA/brief SHRA overnight.
10/13/2017 7:45 AM T 0.0 M 0.0 M Patchy -DZ in the evening.
10/14/2017 7:45 AM 0.03 0.0 M 0.0 M -RADZ last eve. -DZ at obs time.
10/15/2017 7:30 AM 0.01 0.0 M 0.0 M -DZ this morning.
10/16/2017 7:00 AM 0.22 0.0 M 0.0 M -RA this morning; -RA at obs time. -DZ yesterday morning ended around 9AM, additional T.
10/17/2017 7:00 AM 0.01 0.0 M 0.0 M -RA ended 8AM.
10/18/2017 7:00 AM 0.00 0.0 M 0.0 M
10/19/2017 7:00 AM 0.00 0.0 M 0.0 M
10/20/2017 7:00 AM 0.00 0.0 M 0.0 M
10/21/2017 6:00 AM 0.00 0.0 M 0.0 M
10/22/2017 7:00 AM 0.00 0.0 M 0.0 M
10/23/2017 7:00 AM 0.00 0.0 M 0.0 M
10/24/2017 7:00 AM 0.17 0.0 M 0.0 M -SHRA overnight.
10/25/2017 7:00 AM 0.00 0.0 M 0.0 M
10/26/2017 7:00 AM 0.00 0.0 M 0.0 M
10/27/2017 7:00 AM 0.00 0.0 M 0.0 M Light frost on roofs & car tops, first of season. Overnight low temp 38F.
10/28/2017 7:00 AM 0.00 0.0 M 0.0 M
10/29/2017 7:30 AM 0.24 0.0 M 0.0 M -SHRA after midnight. -SHRA at obs time.
10/30/2017 7:00 AM 1.07 0.0 M 0.0 M -RA/RA ended around 5 AM.
10/31/2017 7:00 AM 0.00 0.0 M 0.0 M
11/1/2017 7:00 AM 0.00 0.0 M 0.0 M
11/2/2017 7:00 AM T 0.0 M 0.0 M Sprinkles around 2PM, 6-7PM, 5-6AM.
11/3/2017 7:00 AM 0.00 0.0 M 0.0 M
11/4/2017 7:00 AM 0.00 0.0 M 0.0 M
11/5/2017 6:00 AM 0.68 0.0 M 0.0 M -RA/-DZ overnight. -DZ at obs time.
11/6/2017 7:00 AM 0.04 0.0 M 0.0 M -DZ ended around 2PM.
11/7/2017 7:00 AM T 0.0 M 0.0 M -SHRA early evening.
11/8/2017 7:00 AM 1.15 0.0 M 0.0 M -RA/RA, tapered off to -DZ after dark.
11/9/2017 7:30 AM 0.01 0.0 M 0.0 M -SHRA just before obs time.
11/10/2017 7:00 AM 0.04 0.0 M 0.0 M -RA last evening.
11/11/2017 7:00 AM 0.00 0.0 M 0.0 M The growing season is over at Oxon Hill. Overnight low 24F.
11/12/2017 7:00 AM 0.00 0.0 M 0.0 M
11/13/2017 7:00 AM 0.20 0.0 M 0.0 M -RA in the predawn.
11/14/2017 7:00 AM 0.00 0.0 M 0.0 M
11/15/2017 7:00 AM 0.00 0.0 M 0.0 M
11/16/2017 7:00 AM 0.01 0.0 M 0.0 M -SHRA early this morning.
11/17/2017 7:00 AM 0.00 0.0 M 0.0 M
11/18/2017 7:00 AM 0.00 0.0 M 0.0 M
11/19/2017 7:00 AM 0.09 0.0 M 0.0 M -SHRA overnight.
11/20/2017 7:00 AM 0.00 0.0 M 0.0 M
11/21/2017 7:00 AM 0.00 0.0 M 0.0 M
11/22/2017 7:00 AM 0.04 0.0 M 0.0 M -SHRA predawn.
11/23/2017 7:00 AM 0.00 0.0 M 0.0 M
11/24/2017 7:00 AM 0.00 0.0 M 0.0 M
11/25/2017 7:00 AM 0.00 0.0 M 0.0 M
11/26/2017 7:00 AM 0.00 0.0 M 0.0 M
11/27/2017 7:00 AM 0.00 0.0 M 0.0 M
11/28/2017 7:00 AM 0.00 0.0 M 0.0 M
11/29/2017 7:00 AM 0.00 0.0 M 0.0 M
11/30/2017 7:00 AM 0.00 0.0 M 0.0 M
12/1/2017 7:00 AM 0.01 0.0 M 0.0 M -SHRA last evening.
12/2/2017 6:00 AM 0.00 0.0 M 0.0 M
12/3/2017 7:45 AM 0.04 0.0 M 0.0 M -SHRA 6-7AM.
12/4/2017 7:00 AM 0.00 0.0 M 0.0 M
12/5/2017 7:00 AM 0.00 0.0 M 0.0 M
12/6/2017 7:00 AM 0.11 0.0 M 0.0 M -RA evening into predawn.
12/7/2017 7:00 AM 0.00 0.0 M 0.0 M
12/8/2017 7:00 AM 0.00 0.0 M 0.0 M
12/9/2017 7:45 AM T T T 0.0 M Occasional very light snow. Snow melted on contact. Overnight temp stayed above freezing; min temp 34F, obs time temp 36F.
12/10/2017 7:00 AM 0.18 2.5 0.18 2.5 0.18 -SN ended around 9PM.
12/11/2017 7:00 AM 0.00 0.0 M 0.0 M Snow cover melted away, except for traces in protected spots, which doesn't count as snow cover!
12/12/2017 7:00 AM 0.00 0.0 M 0.0 M
12/13/2017 7:00 AM T 0.0 M 0.0 M Sprinkles around 2PM. Wouldn't have noticed if I hadn't been driving in my neighborhood at the time.
12/14/2017 7:00 AM T T M 0.0 M Flurries of snow pellets last eve.
12/15/2017 7:00 AM 0.00 0.0 M 0.0 M
12/16/2017 7:00 AM 0.02 0.3 M T M -SN, briefly mixed with -PL at the start.
12/17/2017 7:00 AM 0.00 0.0 M 0.0 M
12/18/2017 7:00 AM T 0.0 M 0.0 M Sprinkles 2-3PM.
12/19/2017 7:00 AM 0.00 0.0 M 0.0 M
12/20/2017 7:00 AM 0.00 0.0 M 0.0 M
12/21/2017 7:00 AM 0.00 0.0 M 0.0 M
12/22/2017 7:00 AM 0.00 0.0 M 0.0 M
12/23/2017 7:00 AM 0.01 0.0 M 0.0 M -RA overnight.
12/24/2017 7:00 AM 0.25 0.0 M 0.0 M Brief +SHRA with cold front passage around 6:30PM otherwise -SHRA 2-7PM.
12/25/2017 7:00 AM T 0.0 M 0.0 M Sprinkles last evening.
12/26/2017 7:00 AM 0.00 0.0 M 0.0 M
12/27/2017 7:00 AM 0.00 0.0 M 0.0 M
12/28/2017 7:00 AM T T M 0.0 M Flurries early afternoon.
12/29/2017 7:00 AM 0.00 0.0 M 0.0 M
12/30/2017 7:00 AM 0.04 0.4 0.04 0.5 0.04 -SN in the predawn.
12/31/2017 7:00 AM T T M T M Flurries early evening.
1/1/2018 7:00 AM 0.00 0.0 M T M
1/2/2018 7:00 AM 0.00 0.0 M 0.0 M
1/3/2018 7:00 AM 0.00 0.0 M 0.0 M Overnight low temp 9F for coldest temp of season so far.
1/4/2018 8:00 AM 0.08 0.7 0.08 0.5 0.08 -SN overnight. Few flakes at obs time.
1/5/2018 7:00 AM T T M 0.5 M Flurries mid and late morning.
1/6/2018 8:00 AM 0.00 0.0 M 0.5 M
1/7/2018 8:00 AM 0.00 0.0 M 0.5 M Overnight low 7F, coldest of season.
1/8/2018 7:00 AM 0.00 0.0 M 0.5 M
1/9/2018 7:00 AM 0.06 T M 0.0 M -RA in eve; brief -PL at onset. Fog at obs time.
1/10/2018 7:00 AM 0.00 0.0 M 0.0 M
1/11/2018 7:00 AM 0.00 0.0 M 0.0 M
1/12/2018 7:00 AM 0.14 0.0 M 0.0 M -SHRA 10-11PM. -RA began around 4AM continuing through obs time.
1/13/2018 7:00 AM 0.38 0.0 M 0.0 M -RA/brief SHRA overnight.
1/14/2018 7:00 AM 0.00 0.0 M 0.0 M
1/15/2018 7:00 AM 0.00 0.0 M 0.0 M
1/16/2018 7:00 AM 0.00 0.0 M 0.0 M
1/17/2018 7:00 AM 0.03 0.5 0.03 0.5 0.03 -SN began around 1AM. Very light snow at obs time.
1/18/2018 7:00 AM T T M T M
1/19/2018 7:00 AM 0.00 0.0 M 0.0 M
1/20/2018 7:00 AM 0.00 0.0 M 0.0 M
1/21/2018 7:00 AM 0.00 0.0 M 0.0 M
1/22/2018 7:00 AM T 0.0 M 0.0 M -SHRA 1-2AM and starting around 6AM. -SHRA at obs time.
1/23/2018 7:00 AM 0.13 0.0 M 0.0 M -RA began 2AM continuing through obs time. -RA yesterday morning ended around 9AM.
1/24/2018 7:00 AM T 0.0 M 0.0 M -SHRA until about 9AM then 11AM-noon.
1/25/2018 7:00 AM 0.00 0.0 M 0.0 M
1/26/2018 7:00 AM 0.00 0.0 M 0.0 M
1/27/2018 7:00 AM 0.00 0.0 M 0.0 M
1/28/2018 7:00 AM 0.10 0.0 M 0.0 M -RA from about midnight.
1/29/2018 7:00 AM 0.15 0.0 M 0.0 M -RA ended around 5PM. Spotty -DZ 9-11PM.
1/30/2018 7:00 AM 0.01 T M 0.0 M -RA 8-11AM. Trace of -RASN 5-6AM.
1/31/2018 7:00 AM 0.00 0.0 M 0.0 M
2/1/2018 7:00 AM 0.00 0.0 M 0.0 M
2/2/2018 7:00 AM 0.08 0.0 M 0.0 M -RA overnight.
2/3/2018 7:00 AM 0.00 0.0 M 0.0 M
2/4/2018 7:00 AM 0.00 0.0 M 0.0 M
2/5/2018 7:00 AM 1.10 T M 0.0 M -RA/occasional +RA midmorning to early evening; started as -SN for a few minutes.
2/6/2018 7:00 AM 0.00 0.0 M 0.0 M
2/7/2018 7:00 AM 0.01 0.0 M T M -FZRA 3-6AM. 7AM temp 31F.
2/8/2018 7:00 AM 0.50 0.0 M 0.0 M -RA midday to early evening.
2/9/2018 7:00 AM 0.00 0.0 M 0.0 M
2/10/2018 7:00 AM 0.00 0.0 M 0.0 M
2/11/2018 7:00 AM 2.57 0.0 M 0.0 M Soaking rain.
2/12/2018 7:00 AM 0.60 0.0 M 0.0 M Steady rain ended 1PM, 0.56. -SHRA 7-9PM, 0.02. -SHRA began 6AM, 0.02.
2/13/2018 7:00 AM 0.09 0.0 M 0.0 M -SHRA ended late morning.
2/14/2018 7:00 AM T 0.0 M 0.0 M Occasional -RA early evening.
2/15/2018 7:30 AM 0.07 0.0 M 0.0 M -SHRA into predawn.
2/16/2018 7:30 AM 0.04 0.0 M 0.0 M -RA began 4AM.
2/17/2018 8:00 AM 0.05 0.0 M 0.0 M Occasional -RA ended 8AM then again noon-2pm.
2/18/2018 8:00 AM 0.50 0.8 M 0.5 M Snow, then wintry mix by 5PM, ending as rain.
2/19/2018 7:00 AM 0.01 0.0 M 0.0 M -RA began around 6 AM.
2/20/2018 7:00 AM 0.02 0.0 M 0.0 M -RA ended around 8AM.
2/21/2018 7:00 AM 0.00 0.0 M 0.0 M
2/22/2018 7:00 AM 0.00 0.0 M 0.0 M
2/23/2018 7:00 AM 0.07 0.0 M 0.0 M -SHRA 4-7PM, 0.06. -DZ began 4AM, 0.01.
2/24/2018 7:00 AM T 0.0 M 0.0 M -DZ last evening.
2/25/2018 7:00 AM 0.23 0.0 M 0.0 M -SHRA 1-6PM & 10PM-2AM.
2/26/2018 7:00 AM 0.19 0.0 M 0.0 M -RA late morning and midday.
2/27/2018 7:00 AM T 0.0 M 0.0 M Sprinkles around noontime.
2/28/2018 7:00 AM 0.00 0.0 M 0.0 M
3/1/2018 7:30 AM 0.00 0.0 M 0.0 M
3/2/2018 7:30 AM 0.12 T M 0.0 M Occasional -RA 9-11AM, 7-10PM, 12-1AM 0.12. -RASN began around 5AM continuing through obs time. Strong gusty winds causing scattered power outages and caused a 2-handed trip across the Wilson Bridge for me on the way home from the mid shift at KDCA. Current temp 38F causing the snow to melt on contact.
3/3/2018 7:45 AM T T M 0.0 M -SNRA ended around 8 AM yesterday.
3/4/2018 7:00 AM 0.00 0.0 M 0.0 M
3/5/2018 7:00 AM 0.00 0.0 M 0.0 M
3/6/2018 7:00 AM 0.00 0.0 M 0.0 M
3/7/2018 7:00 AM 0.40 1.0 M 0.5 M -RA 4-5PM, 0.01. -RASN 7-8PM then -SN 8PM-1AM, then -DZ 1AM-obs time.
3/8/2018 7:00 AM 0.02 0.0 M 0.0 M -RA ended late morning.
3/9/2018 7:00 AM 0.00 0.0 M 0.0 M
3/10/2018 7:00 AM 0.00 0.0 M 0.0 M
3/11/2018 7:00 AM 0.00 0.0 M 0.0 M
3/12/2018 7:00 AM 0.00 0.0 M 0.0 M
3/13/2018 7:00 AM 0.03 T M 0.0 M Sprinkles 4-6PM, T. -SN 9-11PM, 0.03; snow melted as it fell.
3/14/2018 7:00 AM 0.00 0.0 M 0.0 M
3/15/2018 7:00 AM 0.00 0.0 M 0.0 M
3/16/2018 7:00 AM 0.00 0.0 M 0.0 M
3/17/2018 8:00 AM T T M 0.0 M -SHSN midmorning.
3/18/2018 7:45 AM T 0.0 M 0.0 M -SHRA mid-late afternoon.
3/19/2018 7:00 AM 0.00 0.0 M 0.0 M
3/20/2018 7:00 AM 0.17 0.0 M 0.0 M -RA began around 3AM.
3/21/2018 5:00 AM 0.97 0.3 M T M wintry mix after midmorning. No precip at obs time but more to come.
3/22/2018 7:00 AM 0.49 4.5 M 3.0 M -SN/occasional +SN until late afternoon.
3/23/2018 7:00 AM 0.00 0.0 M T M
3/24/2018 7:00 AM 0.00 0.0 M 0.0 M
3/25/2018 7:00 AM 0.00 0.0 M 0.0 M
3/26/2018 7:00 AM 0.02 T M 0.0 M -SHRAPL last eve.
3/27/2018 7:00 AM 0.00 0.0 M 0.0 M
3/28/2018 7:00 AM 0.03 0.0 M 0.0 M Occasional -RA last evening and overnight.
3/29/2018 7:00 AM 0.10 0.0 M 0.0 M Occasional -RA yesterday afternoon and evening.
3/30/2018 7:00 AM 0.00 0.0 M 0.0 M
3/31/2018 8:00 AM T 0.0 M 0.0 M -SHRA midafternoon.
4/1/2018 7:00 AM 0.00 0.0 M 0.0 M
4/2/2018 7:00 AM 0.04 0.0 M 0.0 M Occasional -RA this morning.
4/3/2018 7:00 AM 0.01 0.0 M 0.0 M -SHRA ended around 8AM, T. -SHRA 4-6AM, 0.01.
4/4/2018 7:00 AM T 0.0 M 0.0 M Sprinkles mid afternoon to early evening.
4/5/2018 7:00 AM T 0.0 M 0.0 M Midday sprinkles before cold FROPA.
4/6/2018 7:00 AM 0.00 0.0 M 0.0 M
4/7/2018 7:00 AM 0.00 0.0 M 0.0 M
4/8/2018 7:00 AM T T M 0.0 M Flurries late afternoon.
4/9/2018 7:00 AM 0.00 0.0 M 0.0 M
4/10/2018 7:00 AM 0.02 T M 0.0 M Flurries 8-9AM. -RADZ 8PM-3AM 0.02.
4/11/2018 7:00 AM 0.00 0.0 M 0.0 M
4/12/2018 7:00 AM 0.00 0.0 M 0.0 M
4/13/2018 7:00 AM 0.00 0.0 M 0.0 M
4/14/2018 7:00 AM 0.00 0.0 M 0.0 M
4/15/2018 7:45 AM 0.00 0.0 M M M Backdoor cold front between me and DCA. At obs time here T66F with S winds. At DCA T59F with NE winds 15 mph!
4/16/2018 7:00 AM 1.43 0.0 M 0.0 M +TSRA 2-3AM otherwise -RA.
4/17/2018 7:00 AM 0.25 0.0 M 0.0 M Brief +TSRA around 9AM otherwise -RA midmorning to midafternoon.
4/18/2018 7:00 AM 0.00 0.0 M 0.0 M
4/19/2018 7:00 AM 0.00 0.0 M 0.0 M
4/20/2018 7:00 AM 0.05 0.0 M 0.0 M -SHRA midmorning to early afternoon.
4/21/2018 7:00 AM 0.00 0.0 M 0.0 M
4/22/2018 7:00 AM 0.00 0.0 M 0.0 M
4/23/2018 7:00 AM 0.00 0.0 M 0.0 M
4/24/2018 7:00 AM 0.00 0.0 M 0.0 M
4/25/2018 7:00 AM 0.66 0.0 M 0.0 M -RA starting early afternoon and continuing overnight. -DZ at obs time.
4/26/2018 7:45 AM 0.05 0.0 M 0.0 M -RADZ ended 9AM, 0.04. -SHRA 7-9PM, 0.01.
4/27/2018 8:00 AM 0.74 0.0 M 0.0 M Rain began around 1AM. +TSRA 2-3AM based on DCA obs. -RADZ 7-8AM.
4/28/2018 7:30 AM 0.01 0.0 M 0.0 M -SHRA ended midmorning.
4/29/2018 7:45 AM 0.01 0.0 M 0.0 M -SHRA last evening.
4/30/2018 7:00 AM 0.00 0.0 M 0.0 M
5/1/2018 7:00 AM 0.00 0.0 M 0.0 M
5/2/2018 6:00 AM 0.00 0.0 M 0.0 M
5/3/2018 7:00 AM 0.00 0.0 M 0.0 M
5/4/2018 7:00 AM 0.00 0.0 M 0.0 M
5/5/2018 6:00 AM 0.01 0.0 M 0.0 M -SHRA late evening.
5/6/2018 7:00 AM T 0.0 M 0.0 M Sptinkles yesterday afternoon.
5/7/2018 7:30 AM 0.00 0.0 M 0.0 M
5/8/2018 7:00 AM 0.00 0.0 M 0.0 M
5/9/2018 7:00 AM 0.00 0.0 M 0.0 M
5/10/2018 7:00 AM 0.00 0.0 M 0.0 M
5/11/2018 7:30 AM 0.02 0.0 M 0.0 M Only -SHRA, hardly washed any pollen out. Ugh.
5/12/2018 7:00 AM 0.00 0.0 M 0.0 M
5/13/2018 8:00 AM 0.53 0.0 M 0.0 M Brief non-severe TSRA 8-8:30PM otherwise -SHRA 7-9PM, 0.07. -SHRA with brief +SHRA 4-7AM, 0.46.
5/14/2018 7:00 AM 0.50 0.0 M 0.0 M -SHRA 8:30-11AM, 0.05. -SHRA 7-8PM, 0.01. Non-severe +TSRA 10-11PM, 0.44.
5/15/2018 7:00 AM 1.05 0.0 M 0.0 M -DZ ended 8AM, T. Robust but non-severe +TSRA 8-11PM, 1.05. One rumble of thunder to the N around 4AM today.
5/16/2018 7:00 AM 1.14 0.0 M 0.0 M More strong non-severe +TSRA 8-11PM, 1.11. Overnight -SHRA 0.03.
5/17/2018 7:00 AM 0.81 0.0 M 0.0 M -RA with few SHRA until about 2AM, 0.81. -DZ began 6AM, T.
5/18/2018 7:00 AM 1.44 0.0 M 0.0 M -RA continued the past 24 hours.
5/19/2018 7:30 AM 1.37 0.0 M 0.0 M Steady -RA the past 24 hours.
5/20/2018 7:00 AM 0.05 0.0 M 0.0 M -RA ended around 3PM. Few -SHRA 8PM-midnight.
5/21/2018 7:00 AM 0.00 0.0 M 0.0 M
5/22/2018 7:00 AM T 0.0 M 0.0 M -SHRA at obs time.
5/23/2018 7:00 AM 0.85 0.0 M 0.0 M -SHRA until 11AM 0.04. Strong but non-severe +TSRA 5-7PM, 0.80. -SHRA 8-10PM 0.01.
5/24/2018 7:00 AM 0.00 0.0 M 0.0 M
5/25/2018 7:00 AM 0.00 0.0 M 0.0 M
5/26/2018 7:00 AM 0.00 0.0 M 0.0 M
5/27/2018 7:30 AM 0.01 0.0 M 0.0 M Dying -TSRA evening.
5/28/2018 7:00 AM 0.04 0.0 M 0.0 M -SHRA 4-8PM, 0.03. -DZ starting around 11PM, 0.01. -DZ at obs time.
5/29/2018 7:00 AM T 0.0 M 0.0 M -DZ ended around 8 AM.
5/30/2018 7:00 AM T 0.0 M 0.0 M Spotty -DZ 4-6 AM.
5/31/2018 7:00 AM 0.09 0.0 M 0.0 M -SHRA 8-11PM 0.08. -RADZ midnight-4AM 0.01.
6/1/2018 7:00 AM 0.87 0.0 M 0.0 M Vigorous but non-severe +TSRA late evening.
6/2/2018 7:00 AM 0.04 0.0 M 0.0 M -SHRA early this morning.
6/3/2018 7:00 AM 0.38 0.0 M 0.0 M TSRA 2-5PM. -SHRA 8-10PM and 5-7AM.
6/4/2018 7:00 AM 1.73 0.0 M 0.0 M +TSRA 1100-1200 otherwise steady -RA with occasional RA through late evening.
6/5/2018 7:00 AM 0.00 0.0 M 0.0 M
6/6/2018 7:00 AM 0.00 0.0 M 0.0 M
6/7/2018 7:00 AM 0.00 0.0 M 0.0 M
6/8/2018 7:00 AM 0.00 0.0 M 0.0 M
6/9/2018 7:00 AM 0.00 0.0 M 0.0 M +TSRA 5SM NNW of me around midnight; 0.96" at DCA, but nothing here.
6/10/2018 6:00 AM 0.33 0.0 M 0.0 M Series of non-severe TS last evening.
6/11/2018 7:00 AM 0.38 0.0 M 0.0 M -RA overnight.
6/12/2018 7:00 AM T 0.0 M 0.0 M Sprinkles yesterday morning.
6/13/2018 7:00 AM T 0.0 M 0.0 M -SHRA early this morning.
6/14/2018 7:00 AM T 0.0 M 0.0 M -SHRA early this morning.
6/15/2018 7:00 AM 0.00 0.0 M 0.0 M
6/16/2018 7:00 AM 0.00 0.0 M 0.0 M
6/17/2018 7:00 AM 0.00 0.0 M 0.0 M
6/18/2018 7:00 AM 0.00 0.0 M 0.0 M
6/19/2018 7:00 AM 0.00 0.0 M 0.0 M
6/20/2018 7:00 AM 1.43 0.0 M 0.0 M +TSRA 1-4PM 1.42. -SHRA 6-7PM 0.01.
6/21/2018 7:45 AM 0.13 0.0 M 0.0 M -SHRA last evening.
6/22/2018 7:30 AM 0.03 0.0 M 0.0 M -RA this morning.
6/23/2018 8:00 AM 0.39 0.0 M 0.0 M -RA until 3PM then 8-9PM. -DZ began around 1AM; -DZ at obs time.
6/24/2018 7:45 AM 0.01 0.0 M 0.0 M -DZ ended 11AM, T. Dissipating -TSRA 7-8PM, 0.01.
6/25/2018 7:30 AM 0.32 0.0 M 0.0 M -SHRA 4-5PM, 0.01. Brief +TSRA around 10PM, 0.31.
6/26/2018 7:00 AM 0.00 0.0 M 0.0 M
6/27/2018 7:00 AM 0.00 0.0 M 0.0 M
6/28/2018 7:00 AM T 0.0 M 0.0 M Sprinkles midday.
6/29/2018 7:00 AM 0.00 0.0 M 0.0 M
6/30/2018 7:00 AM 0.00 0.0 M 0.0 M
7/1/2018 7:00 AM 0.00 0.0 M 0.0 M
7/2/2018 6:00 AM 0.00 0.0 M 0.0 M
7/3/2018 7:00 AM 0.00 0.0 M 0.0 M
7/4/2018 7:00 AM 0.00 0.0 M 0.0 M
7/5/2018 7:00 AM 0.00 0.0 M 0.0 M
7/6/2018 7:00 AM 0.00 0.0 M 0.0 M
7/7/2018 8:00 AM T 0.0 M 0.0 M Sprinkles in the evening.
7/8/2018 7:00 AM 0.00 0.0 M 0.0 M
7/9/2018 7:00 AM 0.00 0.0 M 0.0 M
7/10/2018 7:00 AM 0.00 0.0 M 0.0 M
7/11/2018 7:00 AM 0.00 0.0 M 0.0 M
7/12/2018 7:00 AM 0.00 0.0 M 0.0 M
7/13/2018 7:00 AM 0.00 0.0 M 0.0 M
7/14/2018 7:00 AM 0.00 0.0 M 0.0 M
7/15/2018 7:00 AM 0.00 0.0 M 0.0 M
7/16/2018 7:00 AM T 0.0 M 0.0 M Sprinkles last eve.
7/17/2018 7:00 AM 0.17 0.0 M 0.0 M Brief +SHRA 5:10-5:30PM.
7/18/2018 7:00 AM 0.75 0.0 M 0.0 M Strong but non-severe +TSRA 3-5PM.
7/19/2018 7:00 AM 0.00 0.0 M 0.0 M
7/20/2018 7:00 AM 0.00 0.0 M 0.0 M
7/21/2018 7:45 AM T 0.0 M 0.0 M -SHRA this predawn.
7/22/2018 8:00 AM 3.63 0.0 M 0.0 M -RA/+RA day and eve.
7/23/2018 7:00 AM 1.24 0.0 M 0.0 M Rain and thunderstorms until 7PM and again 10PM-3AM. -SHRA at obs time.
7/24/2018 7:00 AM 0.13 0.0 M 0.0 M -SHRA until 11AM. More -SHRA 9PM-midnight and starting again around 4AM. -SHRA at obs time.
7/25/2018 7:00 AM 0.40 0.0 M 0.0 M Occasional -RA into late evening.
7/26/2018 7:00 AM 0.51 0.0 M 0.0 M -SHRA noon-1PM, 0.01. Brief +SHRA 4:30-5PM, 0.16. SHRA/TSRA 7-11PM, 0.34.
7/27/2018 7:00 AM 0.00 0.0 M 0.0 M
7/28/2018 7:00 AM 0.01 0.0 M 0.0 M -SHRA last evening. Expected strong thunderstorms didn't materialize.
7/29/2018 7:00 AM 0.00 0.0 M 0.0 M
7/30/2018 7:00 AM 0.00 0.0 M 0.0 M
7/31/2018 7:00 AM 0.41 0.0 M 0.0 M Sprinkles 10-11AM, T. SHRA 4-7PM, 0.37. -RADZ est'd 3-5AM, 0.04.
8/1/2018 7:00 AM 0.07 0.0 M 0.0 M -SHRA 11AM-noon, T. -SHRA 9-10PM, 0.01. Brief SHRA 2-3AM, 0.06.
8/2/2018 7:00 AM 0.00 0.0 M 0.0 M
8/3/2018 7:00 AM 2.22 0.0 M 0.0 M +TSRA yesterday afternoon.
8/4/2018 7:30 AM 0.30 0.0 M 0.0 M TSRA 5-7PM and -SHRA 9-10PM, 0.20. -RA 2-5AM, 0.10.
8/5/2018 7:00 AM 0.00 0.0 M 0.0 M
8/6/2018 7:00 AM 0.00 0.0 M 0.0 M
8/7/2018 7:00 AM T 0.0 M 0.0 M -TSRA 3-4PM, T. Sprinkles 8-9PM.
8/8/2018 7:00 AM 0.00 0.0 M 0.0 M Few rumbles of thunder to the N 4-4:30PM but no precip.
8/9/2018 7:00 AM 0.00 0.0 M 0.0 M
8/10/2018 7:00 AM 0.00 0.0 M 0.0 M
8/11/2018 7:00 AM 0.00 0.0 M 0.0 M
8/12/2018 8:00 AM 0.32 0.0 M 0.0 M +SHRA 5:30-6PM.
8/13/2018 8:00 AM 0.52 0.0 M 0.0 M 4:30-5:35PM TSRA. 5:35-9PM -SHRA.
8/14/2018 7:00 AM 0.00 0.0 M 0.0 M Thunder to the N at 4:45PM, no precip.
8/15/2018 7:00 AM 0.00 0.0 M 0.0 M Thunder to the SE 5:50-6PM but no precip.
8/16/2018 8:00 AM 0.00 0.0 M 0.0 M
8/17/2018 7:00 AM 0.00 0.0 M 0.0 M
8/18/2018 7:45 AM T 0.0 M 0.0 M Sprinkles last evening.
8/19/2018 7:45 AM 0.00 0.0 M 0.0 M
8/20/2018 7:00 AM T 0.0 M 0.0 M -SHRA about an hour ago.
8/21/2018 7:00 AM 0.00 0.0 M 0.0 M
8/22/2018 7:00 AM 2.16 0.0 M 0.0 M Strong but non-severe +TSRA noon-2PM then -SHRA 2-4PM, 1.18. Second strong but non-severe +TSRA 7:40-9PM, 0.98. Power out about 4 hours due to close lightning strike 8:10PM.
8/23/2018 7:00 AM 0.19 0.0 M 0.0 M SHRA early afternoon.
8/24/2018 7:00 AM 0.00 0.0 M 0.0 M
8/25/2018 7:00 AM 0.00 0.0 M 0.0 M
8/26/2018 7:00 AM 0.00 0.0 M 0.0 M
8/27/2018 7:00 AM 0.00 0.0 M 0.0 M
8/28/2018 7:00 AM 0.00 0.0 M 0.0 M
8/29/2018 7:00 AM 0.00 0.0 M 0.0 M
8/30/2018 7:00 AM 0.00 0.0 M 0.0 M
8/31/2018 7:00 AM T 0.0 M 0.0 M -SHRA in the predawn.
9/1/2018 7:00 AM 0.52 0.0 M 0.0 M -TSRA 11PM-midnight, 0.01. +SHRA 5-6AM 0.51.
9/2/2018 7:00 AM 0.99 0.0 M 0.0 M -SHRA 7-8AM, 0.08. +TSRA 8-11PM, 0.91.
9/3/2018 7:00 AM 0.00 0.0 M 0.0 M
9/4/2018 7:00 AM 0.00 0.0 M 0.0 M
9/5/2018 7:00 AM 0.00 0.0 M 0.0 M TS 3-4pm as thunderstorms drifted by to the E and SE.
9/6/2018 7:00 AM 0.00 0.0 M 0.0 M
9/7/2018 7:00 AM 0.00 0.0 M 0.0 M
9/8/2018 7:00 AM 0.73 0.0 M 0.0 M +TSRA 8-10PM.
9/9/2018 7:00 AM 0.54 0.0 M 0.0 M -RA since early afternoon.
9/10/2018 7:00 AM 1.35 0.0 M 0.0 M -RA until 5PM then starting again 1AM.
9/11/2018 7:00 AM 0.02 0.0 M 0.0 M -SHRA late evening.
9/12/2018 7:00 AM T 0.0 M 0.0 M -SHRA midday.
9/13/2018 7:00 AM 0.32 0.0 M 0.0 M SHRA 2-3PM, 0.08. SHRA 6-8PM, 0.24.
9/14/2018 8:00 AM T 0.0 M 0.0 M Spotty -SHRA midday and early afternoon. Patchy -DZ this morning and at obs time.
9/15/2018 8:00 AM T 0.0 M 0.0 M Spotty drizzle the past 24 hrs.
9/16/2018 7:00 AM T 0.0 M 0.0 M -DZ ended 8AM.
9/17/2018 7:00 AM 0.00 0.0 M 0.0 M
9/18/2018 7:00 AM 0.26 0.0 M 0.0 M -SHRA 8AM-6PM, 0.25. -TSRA midnight-3AM, 0.01.
9/19/2018 7:00 AM 0.06 0.0 M 0.0 M -SHRA early afternoon.
9/20/2018 7:00 AM 0.00 0.0 M 0.0 M
9/21/2018 8:00 AM T 0.0 M 0.0 M Sprinkles at obs time.
9/22/2018 7:00 AM 0.28 0.0 M 0.0 M SHRA ended 11AM.
9/23/2018 7:30 AM 0.33 0.0 M 0.0 M -RA began around 2AM.
9/24/2018 7:00 AM 0.87 0.0 M 0.0 M -RA/DZ past 24 hours.
9/25/2018 7:00 AM 0.28 0.0 M 0.0 M -RA/-DZ ended around 6AM.
9/26/2018 7:00 AM 0.05 0.0 M 0.0 M -SHRA 8-9AM, 0.02. -SHRA noon-1PM, 0.03.
9/27/2018 8:00 AM 0.17 0.0 M 0.0 M SHRA 7-9PM 0.17; brief TSRA around 8PM. -RA 7-8AM T.
9/28/2018 7:00 AM 0.86 0.0 M 0.0 M -RA ended 8AM, T. -RA occasional RA 1PM-4AM, 0.86.
9/29/2018 6:00 AM 0.00 0.0 M 0.0 M
9/30/2018 7:00 AM 0.00 0.0 M 0.0 M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes



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