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 19 3.61 5.96 31 5.96 31 0.00 0 0 9 2 0.0 0 0
Nov 19 3.32 2.10 30 2.10 30 0.00 0 0 8 2 0.0 0 0
Dec 19 3.23 3.57 31 3.57 31 0.00 0 0 14 2 0.5 2 0
Jan 20 3.00 2.97 31 2.97 31 0.00 0 0 9 0 1.0 2 1
Feb 20 2.68 3.57 29 3.57 29 0.00 0 0 16 0 0.0 0 0
March 20 3.65 2.53 31 2.53 31 0.00 0 0 16 5 0.0 0 0
April 20 3.31 4.78 30 4.78 30 0.00 0 0 16 3 0.0 0 0
May 20 4.17 4.09 31 4.09 31 0.00 0 0 12 6 0.0 0 0
June 20 3.80 4.18 30 4.18 30 0.00 0 0 8 8 0.0 0 0
July 20 3.96 9.98 31 9.98 31 0.00 0 0 13 0 0.0 0 0
Aug 20 3.23 10.48 31 10.48 31 0.00 0 0 20 1 0.0 0 0
Sept 20 3.68 5.55 30 5.55 30 0.00 0 0 10 1 0.0 0 0
Water Year Totals: 41.64" 59.76" 366 days 59.76" 366 0.00" 0 days 0 151 days 30 days 1.5" 4 days 1 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
10/1/2019 0.05
10/2/2019 0.00
10/3/2019 0.00
10/4/2019 0.00
10/5/2019 0.00
10/6/2019 0.00
10/7/2019 0.00
10/8/2019 T
10/9/2019 0.00
10/10/2019 0.00
10/11/2019 0.00
10/12/2019 0.00
10/13/2019 0.00
10/14/2019 0.22
10/15/2019 0.00
10/16/2019 0.00
10/17/2019 1.40
10/18/2019 0.00
10/19/2019 0.00
10/20/2019 0.18
10/21/2019 1.61
10/22/2019 T
10/23/2019 0.50
10/24/2019 0.00
10/25/2019 0.00
10/26/2019 0.00
10/27/2019 0.23
10/28/2019 1.06
10/29/2019 0.00
10/30/2019 0.00
10/31/2019 0.71
11/1/2019 0.72
11/2/2019 0.00
11/3/2019 0.00
11/4/2019 0.00
11/5/2019 0.00
11/6/2019 0.00
11/7/2019 0.00
11/8/2019 0.08
11/9/2019 0.00
11/10/2019 0.00
11/11/2019 0.00
11/12/2019 0.08
11/13/2019 0.01
11/14/2019 0.00
11/15/2019 0.00
11/16/2019 0.00
11/17/2019 0.00
11/18/2019 T
11/19/2019 0.25
11/20/2019 0.00
11/21/2019 0.00
11/22/2019 T
11/23/2019 0.29
11/24/2019 0.65
11/25/2019 0.00
11/26/2019 0.00
11/27/2019 0.00
11/28/2019 0.02
11/29/2019 0.00
11/30/2019 0.00
12/1/2019 0.08
12/2/2019 0.38
12/3/2019 0.02
12/4/2019 0.01
12/5/2019 T
12/6/2019 0.00
12/7/2019 0.00
12/8/2019 0.00
12/9/2019 0.02
12/10/2019 0.61
12/11/2019 0.43
12/12/2019 0.00
12/13/2019 0.00
12/14/2019 0.34
12/15/2019 0.08
12/16/2019 0.10
12/17/2019 0.46
12/18/2019 0.24
12/19/2019 0.00
12/20/2019 0.00
12/21/2019 0.00
12/22/2019 0.00
12/23/2019 0.00
12/24/2019 0.00
12/25/2019 0.00
12/26/2019 0.00
12/27/2019 0.00
12/28/2019 T
12/29/2019 0.00
12/30/2019 0.61
12/31/2019 0.19
Day of YearDaily PrcpMultiday Prcp
1/1/2020 0.00
1/2/2020 0.00
1/3/2020 0.17
1/4/2020 0.11
1/5/2020 0.34
1/6/2020 0.00
1/7/2020 0.00
1/8/2020 0.37
1/9/2020 0.00
1/10/2020 0.00
1/11/2020 0.00
1/12/2020 0.47
1/13/2020 0.00
1/14/2020 0.00
1/15/2020 0.06
1/16/2020 0.00
1/17/2020 0.00
1/18/2020 0.00
1/19/2020 0.27
1/20/2020 0.00
1/21/2020 0.00
1/22/2020 0.00
1/23/2020 0.00
1/24/2020 0.00
1/25/2020 1.07
1/26/2020 0.11
1/27/2020 0.00
1/28/2020 0.00
1/29/2020 0.00
1/30/2020 0.00
1/31/2020 0.00
2/1/2020 0.01
2/2/2020 0.08
2/3/2020 0.01
2/4/2020 0.02
2/5/2020 0.04
2/6/2020 0.13
2/7/2020 0.93
2/8/2020 0.42
2/9/2020 0.00
2/10/2020 0.00
2/11/2020 0.82
2/12/2020 0.12
2/13/2020 0.37
2/14/2020 0.13
2/15/2020 0.00
2/16/2020 0.00
2/17/2020 0.00
2/18/2020 0.00
2/19/2020 0.01
2/20/2020 0.00
2/21/2020 0.00
2/22/2020 0.00
2/23/2020 0.00
2/24/2020 0.00
2/25/2020 0.03
2/26/2020 0.21
2/27/2020 0.24
2/28/2020 0.00
2/29/2020 0.00
3/1/2020 0.00
3/2/2020 0.00
3/3/2020 0.13
3/4/2020 0.15
3/5/2020 0.00
3/6/2020 0.00
3/7/2020 T
3/8/2020 0.00
3/9/2020 0.00
3/10/2020 0.00
3/11/2020 0.02
3/12/2020 0.01
3/13/2020 0.25
3/14/2020 0.00
3/15/2020 0.18
3/16/2020 T
3/17/2020 T
3/18/2020 0.01
3/19/2020 0.39
3/20/2020 0.00
3/21/2020 0.17
3/22/2020 0.05
3/23/2020 0.09
3/24/2020 0.27
3/25/2020 0.05
3/26/2020 0.25
3/27/2020 T
3/28/2020 0.38
3/29/2020 0.13
3/30/2020 T
3/31/2020 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2020 0.13
4/2/2020 0.00
4/3/2020 0.00
4/4/2020 0.00
4/5/2020 0.00
4/6/2020 0.02
4/7/2020 T
4/8/2020 0.20
4/9/2020 0.14
4/10/2020 0.02
4/11/2020 0.00
4/12/2020 0.00
4/13/2020 1.11
4/14/2020 0.71
4/15/2020 0.39
4/16/2020 0.00
4/17/2020 0.00
4/18/2020 0.02
4/19/2020 0.03
4/20/2020 0.00
4/21/2020 0.00
4/22/2020 0.05
4/23/2020 0.00
4/24/2020 1.34
4/25/2020 0.09
4/26/2020 0.26
4/27/2020 0.23
4/28/2020 T
4/29/2020 0.04
4/30/2020 T
5/1/2020 1.26
5/2/2020 0.15
5/3/2020 0.00
5/4/2020 0.99
5/5/2020 0.00
5/6/2020 0.23
5/7/2020 0.22
5/8/2020 0.00
5/9/2020 0.16
5/10/2020 0.00
5/11/2020 0.03
5/12/2020 0.00
5/13/2020 0.00
5/14/2020 0.00
5/15/2020 0.06
5/16/2020 0.00
5/17/2020 0.00
5/18/2020 T
5/19/2020 T
5/20/2020 T
5/21/2020 T
5/22/2020 0.18
5/23/2020 0.76
5/24/2020 T
5/25/2020 0.00
5/26/2020 0.00
5/27/2020 0.00
5/28/2020 0.01
5/29/2020 0.04
5/30/2020 T
5/31/2020 0.00
6/1/2020 0.00
6/2/2020 0.00
6/3/2020 T
6/4/2020 T
6/5/2020 1.11
6/6/2020 0.87
6/7/2020 T
6/8/2020 0.00
6/9/2020 0.00
6/10/2020 0.00
6/11/2020 0.15
6/12/2020 0.30
6/13/2020 0.00
6/14/2020 T
6/15/2020 0.00
6/16/2020 0.00
6/17/2020 T
6/18/2020 0.88
6/19/2020 T
6/20/2020 0.23
6/21/2020 0.62
6/22/2020 0.00
6/23/2020 0.02
6/24/2020 0.00
6/25/2020 0.00
6/26/2020 T
6/27/2020 0.00
6/28/2020 T
6/29/2020 0.00
6/30/2020 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2020 0.01
7/2/2020 0.62
7/3/2020 0.00
7/4/2020 0.00
7/5/2020 0.00
7/6/2020 0.00
7/7/2020 4.28
7/8/2020 0.00
7/9/2020 0.00
7/10/2020 0.03
7/11/2020 0.00
7/12/2020 0.00
7/13/2020 0.37
7/14/2020 0.02
7/15/2020 0.00
7/16/2020 0.00
7/17/2020 0.00
7/18/2020 0.00
7/19/2020 0.00
7/20/2020 0.00
7/21/2020 0.94
7/22/2020 0.24
7/23/2020 0.81
7/24/2020 2.30
7/25/2020 0.07
7/26/2020 0.00
7/27/2020 0.00
7/28/2020 0.00
7/29/2020 0.01
7/30/2020 0.00
7/31/2020 0.28
8/1/2020 0.07
8/2/2020 0.00
8/3/2020 0.04
8/4/2020 1.61
8/5/2020 1.40
8/6/2020 0.50
8/7/2020 0.13
8/8/2020 0.40
8/9/2020 0.00
8/10/2020 0.00
8/11/2020 0.00
8/12/2020 0.12
8/13/2020 0.05
8/14/2020 1.07
8/15/2020 0.02
8/16/2020 1.30
8/17/2020 0.12
8/18/2020 T
8/19/2020 0.41
8/20/2020 0.04
8/21/2020 0.00
8/22/2020 0.01
8/23/2020 0.00
8/24/2020 0.00
8/25/2020 0.04
8/26/2020 0.09
8/27/2020 0.00
8/28/2020 0.00
8/29/2020 2.62
8/30/2020 0.44
8/31/2020 0.00
9/1/2020 0.56
9/2/2020 0.01
9/3/2020 0.00
9/4/2020 0.50
9/5/2020 0.00
9/6/2020 0.00
9/7/2020 0.00
9/8/2020 0.00
9/9/2020 0.00
9/10/2020 0.81
9/11/2020 1.68
9/12/2020 0.00
9/13/2020 0.00
9/14/2020 T
9/15/2020 0.00
9/16/2020 0.00
9/17/2020 0.00
9/18/2020 0.59
9/19/2020 0.00
9/20/2020 0.00
9/21/2020 0.00
9/22/2020 0.00
9/23/2020 0.00
9/24/2020 0.00
9/25/2020 0.00
9/26/2020 0.84
9/27/2020 0.06
9/28/2020 0.04
9/29/2020 0.00
9/30/2020 0.46



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2019 7:00 AM 0.05 0.0 0.00 0.0 0.00 -RA 9AM-2PM & 10-11PM.
10/2/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/3/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/4/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/5/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/6/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/7/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/8/2019 7:00 AM T 0.0 0.00 0.0 0.00 -RA 11PM-midnight.
10/9/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/10/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/11/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/12/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/13/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/14/2019 7:00 AM 0.22 0.0 0.00 0.0 0.00 SHRA late afternoon.
10/15/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/16/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/17/2019 7:00 AM 1.40 0.0 0.00 0.0 0.00 -RA occasional +RA.
10/18/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/19/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/20/2019 7:30 AM 0.18 0.0 0.00 0.0 0.00 -RA.
10/21/2019 7:00 AM 1.61 0.0 0.00 0.0 0.00 A steady soaking rain from ex-TS Nestor.
10/22/2019 7:00 AM T 0.0 0.00 0.0 0.00 -DZ.
10/23/2019 7:00 AM 0.50 0.0 0.00 0.0 0.00 -RA.
10/24/2019 8:00 AM 0.00 0.0 0.00 0.0 0.00
10/25/2019 8:00 AM 0.00 0.0 0.00 0.0 0.00
10/26/2019 8:00 AM 0.00 0.0 0.00 0.0 0.00
10/27/2019 7:00 AM 0.23 0.0 0.00 0.0 0.00 Sprinkles 9-10AM, T. -RA began around 4AM continuing through obs time.
10/28/2019 7:00 AM 1.06 0.0 0.00 0.0 0.00 Another soaker.
10/29/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/30/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/31/2019 7:00 AM 0.71 0.0 0.00 0.0 0.00 Mostly -RA last eve and overnight.
11/1/2019 7:00 AM 0.72 0.0 0.00 0.0 0.00 Nonsevere +TSRA 9-11PM otherwise -RA.
11/2/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00 Light frost. Min temp 33F.
11/3/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/4/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/5/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/6/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/7/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/8/2019 7:00 AM 0.08 0.0 0.00 0.0 0.00 Occasional -RA in the evening.
11/9/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00 The growing season is over. Min temp 28F.
11/10/2019 5:30 AM 0.00 0.0 0.00 0.0 0.00
11/11/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/12/2019 7:00 AM 0.08 0.0 0.00 0.0 0.00 -RA.
11/13/2019 7:00 AM 0.01 0.0 0.00 0.0 0.00 occasional -RA ended midday.
11/14/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/15/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/16/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/17/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/18/2019 7:00 AM T 0.0 0.00 0.0 0.00 -DZ this morning.
11/19/2019 7:00 AM 0.25 0.0 0.00 0.0 0.00 -RA overnight. Also -DZ 8-10AM, T.
11/20/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/21/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/22/2019 8:00 AM T 0.0 0.00 0.0 0.00 -SHRA around midnight.
11/23/2019 7:00 AM 0.29 0.0 0.00 0.0 0.00 -RA midday.
11/24/2019 7:00 AM 0.65 0.0 0.00 0.0 0.00 -RA occasional +RA overnight.
11/25/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/26/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/27/2019 5:30 AM 0.00 0.0 0.00 0.0 0.00
11/28/2019 7:00 AM 0.02 0.0 0.00 0.0 0.00 -RA in the morning.
11/29/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/30/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/1/2019 7:30 AM 0.08 0.0 0.00 0.0 0.00 -RA this morning.
12/2/2019 7:00 AM 0.38 0.0 0.00 0.0 0.00 -RA ending 5PM 0.38. -SHRA est'd 4-6AM T.
12/3/2019 7:00 AM 0.02 0.0 0.00 0.0 0.00 Occasional -RA.
12/4/2019 7:00 AM 0.01 0.0 0.00 0.0 0.00 -SHRA predawn.
12/5/2019 8:00 AM T 0.0 0.00 0.0 0.00 -SHRA.
12/6/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/7/2019 5:30 AM 0.00 0.0 0.00 0.0 0.00
12/8/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/9/2019 7:00 AM 0.02 0.0 0.00 0.0 0.00 -RADZ predawn.
12/10/2019 7:00 AM 0.61 0.0 0.00 0.0 0.00 Steady -RA.
12/11/2019 7:00 AM 0.43 0.3 0.03 T M -RA, changed to -SN for about an hour before ending. Min temp 35F.
12/12/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/13/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/14/2019 7:00 AM 0.34 0.0 0.00 0.0 0.00 -RA 9AM-5PM and 10PM-2AM.
12/15/2019 7:00 AM 0.08 0.0 0.00 0.0 0.00 -RA.
12/16/2019 7:00 AM 0.10 0.2 M T M Wintry mix began around 4AM. -RAPL at obs time with temp 33F.
12/17/2019 7:00 AM 0.46 T M 0.0 0.00 -RAPL till 9am otherwise -RA/DZ.
12/18/2019 7:00 AM 0.24 0.0 0.00 0.0 0.00 -RA
12/19/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/20/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/21/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/22/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/23/2019 5:30 AM 0.00 0.0 0.00 0.0 0.00
12/24/2019 5:30 AM 0.00 0.0 0.00 0.0 0.00
12/25/2019 5:30 AM 0.00 0.0 0.00 0.0 0.00
12/26/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/27/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/28/2019 7:00 AM T 0.0 0.00 0.0 0.00 -SHRA.
12/29/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/30/2019 5:30 AM 0.61 0.0 0.00 0.0 0.00 -RA.
12/31/2019 7:00 AM 0.19 0.0 0.00 0.0 0.00 -RA ended midday.
1/1/2020 5:30 AM 0.00 0.0 0.00 0.0 0.00
1/2/2020 5:30 AM 0.00 0.0 0.00 0.0 0.00
1/3/2020 7:00 AM 0.17 0.0 0.00 0.0 0.00 -RA.
1/4/2020 5:30 AM 0.11 0.0 0.00 0.0 0.00 -EA.
1/5/2020 7:00 AM 0.34 0.0 0.00 0.0 0.00 SHRA.
1/6/2020 5:30 AM 0.00 0.0 0.00 0.0 0.00
1/7/2020 5:30 AM 0.00 0.0 0.00 0.0 0.00
1/8/2020 5:30 AM 0.37 0.8 M 0.5 M -RA, changed to -SN around 2PM.
1/9/2020 5:30 AM 0.00 0.0 0.00 0.0 0.00
1/10/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/11/2020 5:30 AM 0.00 0.0 0.00 0.0 0.00
1/12/2020 7:00 AM 0.47 0.0 0.00 0.0 0.00 SHRA in the early morning.
1/13/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/14/2020 5:30 AM 0.00 0.0 0.00 0.0 0.00
1/15/2020 5:30 AM 0.06 0.0 0.00 0.0 0.00 -RA/-DZ.
1/16/2020 5:30 AM 0.00 0.0 0.00 0.0 0.00
1/17/2020 8:00 AM 0.00 0.0 0.00 0.0 0.00
1/18/2020 5:00 AM 0.00 0.0 0.00 0.0 0.00
1/19/2020 7:00 AM 0.27 0.2 M 0.0 0.00 -SN 6-8AM. -FZRA then -RA 11AM-7PM.
1/20/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/21/2020 5:30 AM 0.00 0.0 0.00 0.0 0.00
1/22/2020 5:30 AM 0.00 0.0 0.00 0.0 0.00
1/23/2020 5:30 AM 0.00 0.0 0.00 0.0 0.00
1/24/2020 5:30 AM 0.00 0.0 0.00 0.0 0.00
1/25/2020 5:30 AM 1.07 0.0 0.00 0.0 0.00 -RA/occasional +RA overnight.
1/26/2020 7:00 AM 0.11 0.0 0.00 0.0 0.00 -RA ended late morning.
1/27/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/28/2020 5:30 AM 0.00 0.0 0.00 0.0 0.00
1/29/2020 5:30 AM 0.00 0.0 0.00 0.0 0.00
1/30/2020 5:30 AM 0.00 0.0 0.00 0.0 0.00
1/31/2020 5:30 AM 0.00 0.0 0.00 0.0 0.00
2/1/2020 5:30 AM 0.01 0.0 0.00 0.0 0.00 -SHRA evening.
2/2/2020 7:00 AM 0.08 0.0 0.00 0.0 0.00 -RA late evening.
2/3/2020 7:00 AM 0.01 0.0 0.00 0.0 0.00 -SHRA midday.
2/4/2020 7:00 AM 0.02 0.0 0.00 0.0 0.00 -RA this morning.
2/5/2020 5:30 AM 0.04 0.0 0.00 0.0 0.00 -SHRA ended 9AM. -SHRA 3-4AM, 0.02.
2/6/2020 7:00 AM 0.13 0.0 0.00 0.0 0.00 -RA 6PM-1AM and 4-5AM.
2/7/2020 5:30 AM 0.93 0.0 0.00 0.0 0.00 -RA/RA.
2/8/2020 5:30 AM 0.42 0.0 0.00 0.0 0.00 -RA/TSRA ended midmorning.
2/9/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
2/10/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
2/11/2020 7:00 AM 0.82 0.0 0.00 0.0 0.00 Steady -RA.
2/12/2020 8:00 AM 0.12 0.0 0.00 0.0 0.00 -RA ended midday.
2/13/2020 7:45 AM 0.37 0.0 0.00 0.0 0.00 -RA overnight.
2/14/2020 7:00 AM 0.13 0.0 0.00 0.0 0.00 -RA ended midafternoon.
2/15/2020 5:30 AM 0.00 0.0 0.00 0.0 0.00
2/16/2020 5:30 AM 0.00 0.0 0.00 0.0 0.00
2/17/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
2/18/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
2/19/2020 8:00 AM 0.01 0.0 0.00 0.0 0.00 -SHRA 8-9PM and 2-3AM.
2/20/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
2/21/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
2/22/2020 5:30 AM 0.00 0.0 0.00 0.0 0.00
2/23/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
2/24/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
2/25/2020 7:00 AM 0.03 0.0 0.00 0.0 0.00 -RA this morning.
2/26/2020 8:45 AM 0.21 0.0 0.00 0.0 0.00 -RA ended midday. -DZ began 8 AM.
2/27/2020 8:00 AM 0.24 0.0 0.00 0.0 0.00 +SHRA 11PM otherwise -SHRA.
2/28/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
2/29/2020 5:30 AM 0.00 0.0 0.00 0.0 0.00
3/1/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/2/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/3/2020 7:00 AM 0.13 0.0 0.00 0.0 0.00 Evening -SHRA.
3/4/2020 7:00 AM 0.15 0.0 0.00 0.0 0.00 -SHRA 11AM-1PM, 0.05. Gusty SHRA 9-10PM, 0.10.
3/5/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/6/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/7/2020 7:30 AM T 0.0 0.00 0.0 0.00 -SHRA midday.
3/8/2020 7:30 AM 0.00 0.0 0.00 0.0 0.00
3/9/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/10/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/11/2020 7:00 AM 0.02 0.0 0.00 0.0 0.00 -SHRA morning and late evening.
3/12/2020 7:30 AM 0.01 0.0 0.00 0.0 0.00 -SHRA around midnight.
3/13/2020 7:00 AM 0.25 0.0 0.00 0.0 0.00 -RA overnight.
3/14/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/15/2020 7:00 AM 0.18 0.0 0.00 0.0 0.00 -RA overnight.
3/16/2020 7:00 AM T 0.0 0.00 0.0 0.00 -RA ended 8 AM/
3/17/2020 7:00 AM T 0.0 0.00 0.0 0.00 -RA 5-6AM.
3/18/2020 7:00 AM 0.01 0.0 0.00 0.0 0.00 -RA midmorning.
3/19/2020 7:00 AM 0.39 0.0 0.00 0.0 0.00 -RA overnight.
3/20/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/21/2020 7:00 AM 0.17 0.0 0.00 0.0 0.00 -RA noon-1PM, 0.01. -RA began around 2AM 0.16.
3/22/2020 7:00 AM 0.05 0.0 0.00 0.0 0.00 -RA ended midmorning.
3/23/2020 7:00 AM 0.09 0.0 0.00 0.0 0.00 -RA overnight.
3/24/2020 7:00 AM 0.27 0.0 0.00 0.0 0.00 -RA ended late afternoon.
3/25/2020 7:00 AM 0.05 0.0 0.00 0.0 0.00 -RA.
3/26/2020 8:00 AM 0.25 0.0 0.00 0.0 0.00 -RA through early evening.
3/27/2020 7:45 AM T 0.0 0.00 0.0 0.00 -SHRA.
3/28/2020 8:00 AM 0.38 0.0 0.00 0.0 0.00 Showers and thunderstorms in the predawn. -SHRA at obs time.
3/29/2020 7:00 AM 0.13 0.0 0.00 0.0 0.00 TSRA before ending 9AM. -DZ began 6AM. -DZ at obs time.
3/30/2020 7:00 AM T 0.0 0.00 0.0 0.00 -DZ till midmorning.
3/31/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/1/2020 7:00 AM 0.13 0.0 0.00 0.0 0.00 -RA until about midnight.
4/2/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/3/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/4/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/5/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/6/2020 7:00 AM 0.02 0.0 0.00 0.0 0.00 -SHRA predawn.
4/7/2020 7:00 AM T 0.0 0.00 0.0 0.00 -SHRA predawn.
4/8/2020 7:00 AM 0.20 0.0 0.00 0.0 0.00 Brief +SHRA 3:30-4:00PM, 0.16. -Ra began around 5AM through obs time, 0.04.
4/9/2020 7:45 AM 0.14 0.0 0.00 0.0 0.00 -RA ended 8AM, T. -SHRA/brief TSRA 6-7AM, .14.
4/10/2020 7:30 AM 0.02 0.0 0.00 0.0 0.00 -SHRA early afternoon.
4/11/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/12/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/13/2020 7:00 AM 1.11 0.0 0.00 0.0 0.00 +TSRA 4-5AM otherwise -RA/RA.
4/14/2020 7:00 AM 0.71 0.0 0.00 0.0 0.00 SHRA ended 10AM, 0.57. -SHRA/brief TSRA 1-3PM, 0.14. No severe activity.
4/15/2020 7:00 AM 0.39 0.0 0.00 0.0 0.00 -RA overnight.
4/16/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/17/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00 Light frost. Min temp 33F.
4/18/2020 7:00 AM 0.02 0.0 0.00 0.0 0.00 -RA.
4/19/2020 7:00 AM 0.03 0.0 0.00 0.0 0.00 Occasional -RA ended mid morning. Moderate frost.
4/20/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/21/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/22/2020 7:00 AM 0.05 0.0 0.00 0.0 0.00 -SHRA early afternoon.
4/23/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/24/2020 8:00 AM 1.34 0.0 0.00 0.0 0.00 Steady -RA with brief +SHRA.
4/25/2020 7:30 AM 0.09 0.0 0.00 0.0 0.00 -RA ended midmorning.
4/26/2020 7:00 AM 0.26 0.0 0.00 0.0 0.00 -RA overnight.
4/27/2020 7:00 AM 0.23 0.0 0.00 0.0 0.00 -RA ended 1PM, 0.11. _RA 10PM-obs time, 0.12.
4/28/2020 7:30 AM T 0.0 0.00 0.0 0.00 -RA ended midmorning.
4/29/2020 7:00 AM 0.04 0.0 0.00 0.0 0.00 Occasional -RA afternoon and evening.
4/30/2020 7:00 AM T 0.0 0.00 0.0 0.00 -SHRA predawn.
5/1/2020 7:00 AM 1.26 0.0 0.00 0.0 0.00 1.24 fell on 4/30; calendar month precip 6.02. Occasional -RA overnight, 0.02. Rain-free period 7PM-1AM.
5/2/2020 7:00 AM 0.15 0.0 0.00 0.0 0.00 SHRA ended midmorning.
5/3/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/4/2020 7:00 AM 0.99 0.0 0.00 0.0 0.00 SHRA 10AM-noon, 0.12. SHRA/TSRA 8PM-4AM, 0.87.
5/5/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/6/2020 7:00 AM 0.23 0.0 0.00 0.0 0.00 -RA 7PM-2AM, 0.23. -DZ began 6AM, T.
5/7/2020 7:30 AM 0.22 0.0 0.00 0.0 0.00 -DZ ended 8AM, T. -SHRA/brief +SHRA noon-2PM, .20. -SHRA 10PM-midnight, 0.02.
5/8/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/9/2020 7:45 AM 0.16 0.0 0.00 0.0 0.00 -RA evening.
5/10/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00 Light frost. Min temp 34F.
5/11/2020 7:00 AM 0.03 0.0 0.00 0.0 0.00 -SHRA.
5/12/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/13/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/14/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/15/2020 7:00 AM 0.06 0.0 0.00 0.0 0.00 -SHRA.
5/16/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/17/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/18/2020 7:00 AM T 0.0 0.00 0.0 0.00 -DZ at obs time.
5/19/2020 7:00 AM T 0.0 0.00 0.0 0.00 -DZ ended around 9AM. -SHRA 4-6PM.
5/20/2020 7:00 AM T 0.0 0.00 0.0 0.00 Sprinkles at obs time.
5/21/2020 7:45 AM T 0.0 0.00 0.0 0.00 Sprinkles ended shortly after 7AM yesterday.
5/22/2020 7:45 AM 0.18 0.0 0.00 0.0 0.00 -SHRA brief +SHRA.
5/23/2020 7:30 AM 0.76 0.0 0.00 0.0 0.00 Rain ended 2PM, 0.45. SHRA 1-6AM, 0.31.
5/24/2020 7:00 AM T 0.0 0.00 0.0 0.00 Sprinkles predawn. Timing based on DCA data.
5/25/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/26/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/27/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/28/2020 7:00 AM 0.01 0.0 0.00 0.0 0.00 -SHRA.
5/29/2020 7:00 AM 0.04 0.0 0.00 0.0 0.00 -SHRA ended midafternoon.
5/30/2020 7:00 AM T 0.0 0.00 0.0 0.00 -SHRA.
5/31/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/1/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/2/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/3/2020 7:00 AM T 0.0 0.00 0.0 0.00 -SHRA.
6/4/2020 7:00 AM T 0.0 0.00 0.0 0.00 Sprinkles.
6/5/2020 7:00 AM 1.11 0.0 0.00 0.0 0.00 +TSRA 8-10PM, 0.87. TSRA midnight-2AM, 0.24.
6/6/2020 7:00 AM 0.87 0.0 0.00 0.0 0.00 +TSRA 7-8PM, -SHRA 10PM-1AM.
6/7/2020 7:00 AM T 0.0 0.00 0.0 0.00 -SHRA.
6/8/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/9/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/10/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/11/2020 7:45 AM 0.15 0.0 0.00 0.0 0.00 -SHRA around midnight.
6/12/2020 8:00 AM 0.30 0.0 0.00 0.0 0.00 SHRA.
6/13/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/14/2020 7:00 AM T 0.0 0.00 0.0 0.00 -SHRA around midnight.
6/15/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/16/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/17/2020 7:00 AM T 0.0 0.00 0.0 0.00 -SHRA 3-4AM.
6/18/2020 7:00 AM 0.88 0.0 0.00 0.0 0.00 +TSRA 4:41-6:00PM otherwise -RA. -RA again at obs time.
6/19/2020 7:00 AM T 0.0 0.00 0.0 0.00 -RA ended 8AM.
6/20/2020 7:00 AM 0.23 0.0 0.00 0.0 0.00 -SHRA 8-10AM, T. TSRA 8-10PM, 0.23.
6/21/2020 7:00 AM 0.62 0.0 0.00 0.0 0.00 SHRA/TSRA late morning to late afternoon.
6/22/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/23/2020 7:00 AM 0.02 0.0 0.00 0.0 0.00 -SHRA from dissipating TSRA during the evening.
6/24/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/25/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/26/2020 7:45 AM T 0.0 0.00 0.0 0.00 -SHRA from dissipating thunderstorms.
6/27/2020 7:45 AM 0.00 0.0 0.00 0.0 0.00
6/28/2020 7:45 AM T 0.0 0.00 0.0 0.00 -SHRA.
6/29/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/30/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/1/2020 7:00 AM 0.01 0.0 0.00 0.0 0.00 -SHRA.
7/2/2020 7:00 AM 0.62 0.0 0.00 0.0 0.00 -SHRA 1-2PM. +TSRA 5-6PM.
7/3/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/4/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/5/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/6/2020 7:45 AM 0.00 0.0 0.00 0.0 0.00 Couple rumbles of thunder 5:20-5:35PM.
7/7/2020 8:00 AM 4.28 0.0 0.00 0.0 0.00 Waves of +TSRA especially after midnight!
7/8/2020 8:00 AM 0.00 0.0 0.00 0.0 0.00
7/9/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/10/2020 7:00 AM 0.03 0.0 0.00 0.0 0.00 -SHRA.
7/11/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/12/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/13/2020 7:00 AM 0.37 0.0 0.00 0.0 0.00 +SHRA 2:30-3:00PM, 0.34. -SHRA 6-7PM, 0.03.
7/14/2020 8:00 AM 0.02 0.0 0.00 0.0 0.00 -SHSRA.
7/15/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/16/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/17/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/18/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/19/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/20/2020 5:30 AM 0.00 0.0 0.00 0.0 0.00
7/21/2020 6:00 AM 0.94 0.0 0.00 0.0 0.00 Series of strong but nonsevere +TSRA 5-8PM.
7/22/2020 7:00 AM 0.24 0.0 0.00 0.0 0.00 -TSRA 6-8PM otherwise -SHRA.
7/23/2020 7:00 AM 0.81 0.0 0.00 0.0 0.00 Strong but non-severe +TSRA 4-5PM otherwise -SHRA.
7/24/2020 8:00 AM 2.30 0.0 0.00 0.0 0.00 +TSRA 8-9PM 1.55; -SHRA 9-10PM 0.06. +SHRA 7-7:45AM.
7/25/2020 7:30 AM 0.07 0.0 0.00 0.0 0.00 Brief SHRA early afternoon.
7/26/2020 7:45 AM 0.00 0.0 0.00 0.0 0.00
7/27/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/28/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/29/2020 7:00 AM 0.01 0.0 0.00 0.0 0.00 -SHRA.
7/30/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/31/2020 7:00 AM 0.28 0.0 0.00 0.0 0.00 -SHRA.
8/1/2020 7:00 AM 0.07 0.0 0.00 0.0 0.00 -SHRA.
8/2/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/3/2020 7:00 AM 0.04 0.0 0.00 0.0 0.00 SHRA.
8/4/2020 7:00 AM 1.61 0.0 0.00 0.0 0.00 Isaias approaching!
8/5/2020 7:00 AM 1.40 0.0 0.00 0.0 0.00 All from ISAIAS except 0.01 in stray shower around 6PM.
8/6/2020 7:00 AM 0.50 0.0 0.00 0.0 0.00 +TSRA predawn.
8/7/2020 7:00 AM 0.13 0.0 0.00 0.0 0.00 SHRA.
8/8/2020 7:00 AM 0.40 0.0 0.00 0.0 0.00 +SHRA.
8/9/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/10/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00 Single rumble of thunder to the N at 2:40pm.
8/11/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/12/2020 7:00 AM 0.12 0.0 0.00 0.0 0.00 -TSRA 5-6AM then -RA.
8/13/2020 8:00 AM 0.05 0.0 0.00 0.0 0.00 -RA ended around 8AM.
8/14/2020 8:00 AM 1.07 0.0 0.00 0.0 0.00 +TSRA 9-11AM, 1.00. -SHRA 4-5AM 0.07.
8/15/2020 5:30 AM 0.02 0.0 0.00 0.0 0.00 -SHRA 5-6PM 0.02. -RA began around 2AM T.
8/16/2020 5:30 AM 1.30 0.0 0.00 0.0 0.00 Occasional -RA before midnight 0.03. -RA/RA after midnight 1.27.
8/17/2020 7:00 AM 0.12 0.0 0.00 0.0 0.00 -RA ended midday.
8/18/2020 7:00 AM T 0.0 0.00 0.0 0.00 -SHRA.
8/19/2020 7:00 AM 0.41 0.0 0.00 0.0 0.00 +SHRA around 5AM otherwise -SHRA.
8/20/2020 7:00 AM 0.04 0.0 0.00 0.0 0.00 -RA ended 8AM.
8/21/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/22/2020 7:00 AM 0.01 0.0 0.00 0.0 0.00 -SHRA.
8/23/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/24/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/25/2020 7:00 AM 0.04 0.0 0.00 0.0 0.00 Dissipating -TSRA.
8/26/2020 7:00 AM 0.09 0.0 0.00 0.0 0.00 Non=severe -TSRA.
8/27/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/28/2020 7:30 AM 0.00 0.0 0.00 0.0 0.00
8/29/2020 8:00 AM 2.62 0.0 0.00 0.0 0.00 Series of +TSRA, nonsevere but vigorous, 6PM-2AM. -SHRA 7-8AM, T.
8/30/2020 8:00 AM 0.44 0.0 0.00 0.0 0.00 Periods of showers into midafternoon.
8/31/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/1/2020 7:00 AM 0.56 0.0 0.00 0.0 0.00 -RA 11AM-11PM, 0.42. SHRA 5-6AM 0.14.
9/2/2020 7:00 AM 0.01 0.0 0.00 0.0 0.00 -RA.
9/3/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/4/2020 7:00 AM 0.50 0.0 0.00 0.0 0.00 Non-severe TSRA before midnight.
9/5/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/6/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/7/2020 5:30 AM 0.00 0.0 0.00 0.0 0.00
9/8/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/9/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/10/2020 8:00 AM 0.81 0.0 0.00 0.0 0.00 -RA/occasional +RA11AM-11PM, 0.81. -SHRA 7-8AM t.
9/11/2020 7:45 AM 1.68 0.0 0.00 0.0 0.00 +SHRA early afternoon.
9/12/2020 7:30 AM 0.00 0.0 0.00 0.0 0.00
9/13/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/14/2020 7:00 AM T 0.0 0.00 0.0 0.00 -SHRA.
9/15/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/16/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/17/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/18/2020 7:00 AM 0.59 0.0 0.00 0.0 0.00 -RA overnight.
9/19/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/20/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/21/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/22/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/23/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/24/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/25/2020 8:00 AM 0.00 0.0 0.00 0.0 0.00
9/26/2020 8:00 AM 0.84 0.0 0.00 0.0 0.00 Steady rain.
9/27/2020 7:00 AM 0.06 0.0 0.00 0.0 0.00 -RADZ overnight.
9/28/2020 7:00 AM 0.04 0.0 0.00 0.0 0.00 Predawn -SHRA.
9/29/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/30/2020 7:00 AM 0.46 0.0 0.00 0.0 0.00 -RA.



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