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 15 3.61 3.36 31 3.36 31 0.00 0 0 11 2 0.0 0 0
Nov 15 3.32 2.04 30 2.04 30 0.00 0 0 11 1 0.0 0 1
Dec 15 3.23 4.37 31 4.37 31 0.00 0 0 15 1 0.0 0 0
Jan 16 3.00 3.06 30 1.33 28 1.73 2 1 5 5 1.3 2 6
Feb 16 2.68 4.49 28 4.49 28 0.00 0 0 12 3 4.5 3 4
March 16 3.65 1.09 31 1.09 31 0.00 0 0 11 4 1.0 1 1
April 16 3.31 1.92 30 1.92 30 0.00 0 0 13 4 0.2 1 0
May 16 4.17 5.83 31 5.83 31 0.00 0 0 20 0 0.0 0 0
June 16 3.80 3.69 30 3.69 30 0.00 0 0 11 4 0.0 0 0
July 16 3.96 3.73 31 3.73 31 0.00 0 0 12 2 0.0 0 0
Aug 16 3.23 2.83 31 2.83 31 0.00 0 0 6 1 0.0 0 0
Sept 16 3.68 4.47 30 4.47 30 0.00 0 0 7 2 0.0 0 0
Water Year Totals: 41.64" 40.88" 364 days 39.15" 362 1.73" 2 days 1 134 days 29 days 7.0" 7 days 12 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
10/1/2015 0.09
10/2/2015 0.63
10/3/2015 1.14
10/4/2015 0.09
10/5/2015 T
10/6/2015 0.00
10/7/2015 0.00
10/8/2015 0.00
10/9/2015 0.04
10/10/2015 0.44
10/11/2015 0.00
10/12/2015 0.00
10/13/2015 0.00
10/14/2015 0.16
10/15/2015 0.00
10/16/2015 0.00
10/17/2015 0.00
10/18/2015 0.00
10/19/2015 T
10/20/2015 0.00
10/21/2015 0.00
10/22/2015 0.00
10/23/2015 0.00
10/24/2015 0.00
10/25/2015 0.02
10/26/2015 0.05
10/27/2015 0.00
10/28/2015 0.01
10/29/2015 0.69
10/30/2015 0.00
10/31/2015 0.00
11/1/2015 0.02
11/2/2015 0.03
11/3/2015 0.00
11/4/2015 0.00
11/5/2015 0.21
11/6/2015 0.00
11/7/2015 T
11/8/2015 0.11
11/9/2015 0.00
11/10/2015 0.66
11/11/2015 0.14
11/12/2015 0.00
11/13/2015 0.01
11/14/2015 0.00
11/15/2015 0.00
11/16/2015 0.00
11/17/2015 0.00
11/18/2015 0.00
11/19/2015 0.04
11/20/2015 0.64
11/21/2015 0.00
11/22/2015 0.00
11/23/2015 0.00
11/24/2015 0.00
11/25/2015 0.00
11/26/2015 0.00
11/27/2015 0.00
11/28/2015 0.00
11/29/2015 0.02
11/30/2015 0.16
12/1/2015 0.43
12/2/2015 0.62
12/3/2015 0.00
12/4/2015 0.00
12/5/2015 0.00
12/6/2015 0.00
12/7/2015 0.00
12/8/2015 0.00
12/9/2015 0.00
12/10/2015 T
12/11/2015 0.00
12/12/2015 0.00
12/13/2015 0.00
12/14/2015 0.00
12/15/2015 0.09
12/16/2015 0.00
12/17/2015 0.01
12/18/2015 0.35
12/19/2015 0.00
12/20/2015 0.00
12/21/2015 0.00
12/22/2015 0.10
12/23/2015 0.08
12/24/2015 1.44
12/25/2015 0.10
12/26/2015 0.26
12/27/2015 0.01
12/28/2015 0.06
12/29/2015 0.64
12/30/2015 0.02
12/31/2015 0.16
Day of YearDaily PrcpMultiday Prcp
1/1/2016 0.00
1/2/2016 0.00
1/3/2016 0.00
1/4/2016 0.00
1/5/2016 T
1/6/2016 0.00
1/7/2016 0.00
1/8/2016 T
1/9/2016 0.01
1/10/2016 0.81
1/11/2016 0.00
1/12/2016 0.00
1/13/2016 T
1/14/2016 0.00
1/15/2016 0.00
1/16/2016 0.43
1/17/2016
1/18/2016 0.05
1/19/2016 0.00
1/20/2016 0.00
1/21/2016 0.03
1/22/2016 0.00
1/23/2016 **
1/24/2016 1.73
1/25/2016 0.00
1/26/2016 0.00
1/27/2016 T
1/28/2016 0.00
1/29/2016 0.00
1/30/2016 T
1/31/2016 0.00
2/1/2016 0.00
2/2/2016 0.10
2/3/2016 0.00
2/4/2016 0.53
2/5/2016 0.09
2/6/2016 T
2/7/2016 0.00
2/8/2016 0.00
2/9/2016 0.11
2/10/2016 0.08
2/11/2016 0.00
2/12/2016 0.00
2/13/2016
2/14/2016 T
2/15/2016 0.15
2/16/2016 0.41
2/17/2016 0.81
2/18/2016 0.00
2/19/2016 0.00
2/20/2016 0.00
2/21/2016 0.00
2/22/2016 0.11
2/23/2016 0.08
2/24/2016 0.53
2/25/2016 1.49
2/26/2016 T
2/27/2016 0.00
2/28/2016 0.00
2/29/2016 0.00
3/1/2016 0.00
3/2/2016 0.15
3/3/2016 0.00
3/4/2016 0.06
3/5/2016 0.00
3/6/2016 T
3/7/2016 0.00
3/8/2016 0.00
3/9/2016 0.00
3/10/2016 0.00
3/11/2016 T
3/12/2016 0.00
3/13/2016 T
3/14/2016 0.32
3/15/2016 0.02
3/16/2016 0.02
3/17/2016 0.01
3/18/2016 T
3/19/2016 0.00
3/20/2016 0.09
3/21/2016 0.03
3/22/2016 0.00
3/23/2016 0.00
3/24/2016 0.00
3/25/2016 0.00
3/26/2016 0.05
3/27/2016 0.00
3/28/2016 0.31
3/29/2016 0.03
3/30/2016 0.00
3/31/2016 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2016 T
4/2/2016 0.06
4/3/2016 0.13
4/4/2016 0.00
4/5/2016 0.09
4/6/2016 0.00
4/7/2016 T
4/8/2016 0.60
4/9/2016 0.05
4/10/2016 0.13
4/11/2016 T
4/12/2016 0.01
4/13/2016 0.11
4/14/2016 0.00
4/15/2016 0.00
4/16/2016 0.00
4/17/2016 0.00
4/18/2016 0.00
4/19/2016 0.00
4/20/2016 0.00
4/21/2016 0.00
4/22/2016 0.00
4/23/2016 T
4/24/2016 0.26
4/25/2016 0.00
4/26/2016 0.00
4/27/2016 0.01
4/28/2016 0.03
4/29/2016 0.43
4/30/2016 0.01
5/1/2016 0.10
5/2/2016 0.59
5/3/2016 0.58
5/4/2016 0.23
5/5/2016 0.01
5/6/2016 0.24
5/7/2016 0.92
5/8/2016 0.03
5/9/2016 0.00
5/10/2016 0.03
5/11/2016 0.22
5/12/2016 0.12
5/13/2016 0.00
5/14/2016 0.09
5/15/2016 0.15
5/16/2016 0.00
5/17/2016 0.00
5/18/2016 0.42
5/19/2016 0.01
5/20/2016 0.00
5/21/2016 0.24
5/22/2016 0.62
5/23/2016 0.41
5/24/2016 0.17
5/25/2016 0.00
5/26/2016 0.00
5/27/2016 0.00
5/28/2016 0.00
5/29/2016 0.00
5/30/2016 0.65
5/31/2016 0.00
6/1/2016 0.00
6/2/2016 0.00
6/3/2016 T
6/4/2016 0.19
6/5/2016 0.13
6/6/2016 0.43
6/7/2016 0.00
6/8/2016 0.02
6/9/2016 0.00
6/10/2016 0.00
6/11/2016 0.00
6/12/2016 0.00
6/13/2016 0.00
6/14/2016 0.00
6/15/2016 T
6/16/2016 0.03
6/17/2016 0.48
6/18/2016 T
6/19/2016 0.00
6/20/2016 0.00
6/21/2016 0.00
6/22/2016 0.70
6/23/2016 0.36
6/24/2016 0.22
6/25/2016 T
6/26/2016 0.00
6/27/2016 0.00
6/28/2016 0.80
6/29/2016 0.33
6/30/2016 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2016 0.00
7/2/2016 0.17
7/3/2016 0.11
7/4/2016 0.06
7/5/2016 0.45
7/6/2016 0.00
7/7/2016 0.00
7/8/2016 0.00
7/9/2016 0.53
7/10/2016 0.03
7/11/2016 0.00
7/12/2016 0.00
7/13/2016 0.00
7/14/2016 0.00
7/15/2016 0.00
7/16/2016 0.00
7/17/2016 0.87
7/18/2016 0.00
7/19/2016 0.41
7/20/2016 0.45
7/21/2016 0.00
7/22/2016 0.00
7/23/2016 0.00
7/24/2016 T
7/25/2016 T
7/26/2016 0.02
7/27/2016 0.00
7/28/2016 0.00
7/29/2016 0.35
7/30/2016 0.00
7/31/2016 0.28
8/1/2016 0.01
8/2/2016 0.00
8/3/2016 0.00
8/4/2016 0.00
8/5/2016 0.00
8/6/2016 0.05
8/7/2016 0.27
8/8/2016 0.00
8/9/2016 0.00
8/10/2016 T
8/11/2016 0.00
8/12/2016 0.00
8/13/2016 0.00
8/14/2016 0.00
8/15/2016 0.00
8/16/2016 0.73
8/17/2016 0.00
8/18/2016 0.56
8/19/2016 0.00
8/20/2016 0.00
8/21/2016 0.00
8/22/2016 1.21
8/23/2016 0.00
8/24/2016 0.00
8/25/2016 0.00
8/26/2016 0.00
8/27/2016 0.00
8/28/2016 0.00
8/29/2016 0.00
8/30/2016 0.00
8/31/2016 0.00
9/1/2016 T
9/2/2016 0.03
9/3/2016 0.00
9/4/2016 0.00
9/5/2016 0.00
9/6/2016 0.00
9/7/2016 0.00
9/8/2016 0.02
9/9/2016 0.00
9/10/2016 0.00
9/11/2016 0.00
9/12/2016 0.00
9/13/2016 0.00
9/14/2016 0.00
9/15/2016 0.00
9/16/2016 0.00
9/17/2016 0.00
9/18/2016 0.00
9/19/2016 0.73
9/20/2016 0.66
9/21/2016 0.00
9/22/2016 0.00
9/23/2016 0.00
9/24/2016 0.00
9/25/2016 0.00
9/26/2016 0.00
9/27/2016 0.69
9/28/2016 T
9/29/2016 1.88
9/30/2016 0.46



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2015 7:00 AM 0.09 0.0 M 0.0 M Intermittent -RA past 24 hours; -RA at obs time.
10/2/2015 7:00 AM 0.63 0.0 M 0.0 M -RA occasional RA past 24 hrs.
10/3/2015 7:00 AM 1.14 0.0 M 0.0 M -RA continued; but the rain appears to have ended around 6 AM.
10/4/2015 7:00 AM 0.09 0.0 M 0.0 M Occasional -RA/-DZ most of day, ended around midnight.
10/5/2015 7:00 AM T 0.0 M 0.0 M Sprinkles midmorning.
10/6/2015 7:00 AM 0.00 0.0 M 0.0 M
10/7/2015 7:00 AM 0.00 0.0 M 0.0 M
10/8/2015 7:00 AM 0.00 0.0 M 0.0 M
10/9/2015 7:30 AM 0.04 0.0 M 0.0 M Brief SHRA just after 0700.
10/10/2015 7:45 AM 0.44 0.0 M 0.0 M -SHRA 1-1:30PM, T. Brief strong but non-severe +TSRA 6:50-7:15PM, 0.44.
10/11/2015 7:00 AM 0.00 0.0 M 0.0 M Patchy ground fog vicinity.
10/12/2015 7:00 AM 0.00 0.0 M 0.0 M
10/13/2015 7:00 AM 0.00 0.0 M 0.0 M
10/14/2015 5:45 AM 0.16 0.0 M 0.0 M SHRA 5-8PM
10/15/2015 7:00 AM 0.00 0.0 M 0.0 M
10/16/2015 7:00 AM 0.00 0.0 M 0.0 M
10/17/2015 7:00 AM 0.00 0.0 M 0.0 M
10/18/2015 7:00 AM 0.00 0.0 M 0.0 M
10/19/2015 7:00 AM T 0.0 M 0.0 M Sprinkles around 2 PM and 5 PM. Light frost this morning; current temp and overnight low 34F.
10/20/2015 7:00 AM 0.00 0.0 M 0.0 M
10/21/2015 7:00 AM 0.00 0.0 M 0.0 M
10/22/2015 7:00 AM 0.00 0.0 M 0.0 M
10/23/2015 7:00 AM 0.00 0.0 M 0.0 M
10/24/2015 7:00 AM 0.00 0.0 M 0.0 M
10/25/2015 7:00 AM 0.02 0.0 M 0.0 M -RA started around 2 AM.
10/26/2015 7:00 AM 0.05 0.0 M 0.0 M -RA ended midmorning.
10/27/2015 7:00 AM 0.00 0.0 M 0.0 M
10/28/2015 5:45 AM 0.01 0.0 M 0.0 M -RA overnight.
10/29/2015 7:00 AM 0.69 0.0 M 0.0 M -RA through 11PM then +SHRA midnight to 1 AM which dropped 0.28 inch.
10/30/2015 7:00 AM 0.00 0.0 M M M
10/31/2015 7:00 AM 0.00 0.0 M M M
11/1/2015 7:00 AM 0.02 M M M M
11/2/2015 7:00 AM 0.03 M M M M
11/3/2015 7:00 AM 0.00 0.0 M 0.0 M
11/4/2015 7:00 AM 0.00 0.0 M 0.0 M
11/5/2015 7:30 AM 0.21 0.0 M 0.0 M =RA midnight hours.
11/6/2015 7:00 AM 0.00 0.0 M 0.0 M
11/7/2015 7:30 AM T 0.0 M 0.0 M --RA started around 7 AM.
11/8/2015 7:00 AM 0.11 0.0 M 0.0 M -RA until midafternoon.
11/9/2015 7:00 AM 0.00 0.0 M 0.0 M
11/10/2015 7:00 AM 0.66 0.0 M 0.0 M -RA in the afternoon and overnight; -DZ at obs time.
11/11/2015 7:00 AM 0.14 0.0 M 0.0 M -RA/-DZ ended early evening.
11/12/2015 7:00 AM 0.00 0.0 M 0.0 M
11/13/2015 7:00 AM 0.01 0.0 M 0.0 M Occasional -RA late morning and midday.
11/14/2015 7:00 AM 0.00 0.0 M 0.0 M
11/15/2015 7:00 AM 0.00 0.0 M 0.0 M
11/16/2015 7:00 AM 0.00 0.0 M 0.0 M
11/17/2015 7:00 AM 0.00 0.0 M 0.0 M
11/18/2015 7:00 AM 0.00 0.0 M 0.0 M
11/19/2015 7:30 AM 0.04 0.0 M 0.0 M -RA 6-7PM (T) and starting again around 4AM. -RA at obs time.
11/20/2015 7:45 AM 0.64 0.0 M 0.0 M -RA occasional +SHRA midday through afternoon.
11/21/2015 7:00 AM 0.00 0.0 M 0.0 M
11/22/2015 7:00 AM 0.00 0.0 M 0.0 M
11/23/2015 7:00 AM 0.00 0.0 M 0.9 M
11/24/2015 7:00 AM 0.00 0.0 M M M
11/25/2015 7:00 AM 0.00 0.0 M M M
11/26/2015 7:00 AM 0.00 0.0 M M M
11/27/2015 7:00 AM 0.00 0.0 M M M
11/28/2015 6:00 AM 0.00 0.0 M 0.0 M
11/29/2015 5:45 AM 0.02 0.0 M 0.0 M -RA overnight.
11/30/2015 7:00 AM 0.16 0.0 M 0.0 M -RA/-DZ ended early afternoon.
12/1/2015 7:00 AM 0.43 0.0 M 0.0 M -RA since yesterday morning.
12/2/2015 7:00 AM 0.62 0.0 M 0.0 M -RA/DZ last 24 hours. -SHRA at 7AM obs time.
12/3/2015 7:30 AM 0.00 0.0 M 0.0 M -RA ended around 6 PM.
12/4/2015 7:00 AM 0.00 0.0 M 0.0 M
12/5/2015 7:00 AM 0.00 0.0 M 0.0 M
12/6/2015 7:00 AM 0.00 0.0 M 0.0 M
12/7/2015 7:00 AM 0.00 0.0 M 0.0 M
12/8/2015 7:00 AM 0.00 0.0 M 0.0 M
12/9/2015 6:00 AM 0.00 0.0 M 0.0 M
12/10/2015 7:00 AM T 0.0 M 0.0 M Apparently some -SHRA occurred around 3 AM.
12/11/2015 7:00 AM 0.00 0.0 M 0.0 M
12/12/2015 7:00 AM 0.00 0.0 M 0.0 M
12/13/2015 7:00 AM 0.00 0.0 M 0.0 M
12/14/2015 7:00 AM 0.00 0.0 M 0.0 M
12/15/2015 7:00 AM 0.09 0.0 M 0.0 M -SHRA last evening.
12/16/2015 7:00 AM 0.00 0.0 M 0.0 M
12/17/2015 7:45 AM 0.01 0.0 M 0.0 M -RA started a while ago...
12/18/2015 7:00 AM 0.35 0.0 M 0.0 M -RA ended in the afternoon.
12/19/2015 7:00 AM 0.00 0.0 M 0.0 M
12/20/2015 7:00 AM 0.00 0.0 M 0.0 M
12/21/2015 7:00 AM 0.00 0.0 M 0.0 M
12/22/2015 7:00 AM 0.10 0.0 M 0.0 M -RA started around 5AM.
12/23/2015 7:00 AM 0.08 0.0 M 0.0 M -RA ended early afternoon.
12/24/2015 7:00 AM 1.44 0.0 M 0.0 M -RA/+SHRA 8AM-9PM. +TSRA 4:31-5PM. SHRA 5-6AM.
12/25/2015 7:30 AM 0.10 0.0 M 0.0 M -SHRA in the morning.
12/26/2015 6:00 AM 0.26 0.0 M 0.0 M -RA afternoon into early evening.
12/27/2015 7:00 AM 0.01 0.0 M 0.0 M -DZ last evening.
12/28/2015 7:00 AM 0.06 0.0 M 0.0 M -SHRA last evening.
12/29/2015 7:00 AM 0.64 0.0 M 0.0 M -RA overnight.
12/30/2015 7:00 AM 0.02 0.0 M 0.0 M -DZ ended midmorning.
12/31/2015 7:45 AM 0.16 0.0 M 0.0 M -RA/-DZ in the evening.
1/1/2016 7:00 AM 0.00 0.0 M 0.0 M
1/2/2016 7:00 AM 0.00 0.0 M 0.0 M
1/3/2016 7:00 AM 0.00 0.0 M 0.0 M
1/4/2016 7:00 AM 0.00 0.0 M 0.0 M
1/5/2016 7:00 AM T T M 0.0 M Flurries around 8 AM.
1/6/2016 7:00 AM 0.00 0.0 M 0.0 M
1/7/2016 7:00 AM 0.00 0.0 M 0.0 M
1/8/2016 7:00 AM T 0.0 M 0.0 M -DZ early this morning.
1/9/2016 7:00 AM 0.01 0.0 M 0.0 M Periods of -DZ and -RA since about 2PM yesterday. -DZ at obs time.
1/10/2016 7:00 AM 0.81 0.0 M 0.0 M -RA/RA overnight. -RA/-DZ had ended by 3PM. No precip at time of obs.
1/11/2016 7:00 AM 0.00 0.0 M 0.0 M
1/12/2016 7:00 AM 0.00 0.0 M 0.0 M
1/13/2016 7:00 AM T T M 0.0 M Sprinkles 5-6PM. -SHRA 7PM ended as -SHSN by 8 PM.
1/14/2016 7:00 AM 0.00 0.0 M 0.0 M
1/15/2016 7:00 AM 0.00 0.0 M 0.0 M
1/16/2016 7:45 AM 0.43 0.0 M 0.0 M -RA overnight.
1/18/2016 7:00 AM 0.05 0.3 M 0.0 M -SN 11AM-3PM yesterday and estimated 1-3AM today.
1/19/2016 7:00 AM 0.00 0.0 M 0.0 M
1/20/2016 6:00 AM 0.00 0.0 M 0.0 M
1/21/2016 7:00 AM 0.03 1.0 M 1.0 M -SN last evening.
1/22/2016 7:00 AM 0.00 0.0 M T M
1/25/2016 7:00 AM 0.00 0.0 M M M
1/26/2016 7:00 AM 0.00 0.0 M M M
1/27/2016 7:00 AM T 0.0 M 12.0 M -SHRA 7-8AM and 7-8PM.
1/28/2016 7:00 AM 0.00 0.0 M 10.0 M
1/29/2016 7:00 AM 0.00 0.0 M 10.0 M
1/30/2016 7:00 AM T T M 10.0 M -SHRASN late morning.
1/31/2016 7:45 AM 0.00 0.0 M 8.0 M
2/1/2016 7:00 AM 0.00 0.0 M 5.0 M
2/2/2016 7:00 AM 0.10 0.0 M 2.0 M -SHRA afternoon and early evening. Snow depth 0-5 inches.
2/3/2016 5:45 AM 0.00 0.0 M T M
2/4/2016 7:00 AM 0.53 0.0 M 0.0 M -RA/brief +SHRA noon-6PM. -RADZ 1-4AM.
2/5/2016 7:00 AM 0.09 T M 0.0 M -RASN overnight. -SN at obs time, precip very light. Snow melted as it fell; temp never got below 36F.
2/6/2016 7:00 AM T T M 0.0 M Flurries ended by around 9AM.
2/7/2016 7:00 AM 0.00 0.0 M 0.0 M
2/8/2016 7:00 AM 0.00 0.0 M 0.0 M
2/9/2016 7:00 AM 0.11 T M 0.0 M -RA overnight; -RASN from about 5AM to obs time. T snow melted on contact. Temp 34F.
2/10/2016 7:00 AM 0.08 T M 0.0 M -RASN until about 4 PM. Snow melted on contact. -SHSN estimated 2-4AM.
2/11/2016 7:00 AM 0.00 0.0 M 0.0 M
2/12/2016 7:00 AM 0.00 0.0 M 0.0 M
2/14/2016 8:00 AM T 0.2 M 0.0 M SHSN 8-9AM.
2/15/2016 7:00 AM 0.15 2.5 M 2.5 M -SN overnight. Very light -SN at obs time.
2/16/2016 7:00 AM 0.41 1.8 M 2.5 M -SN changed to -FZRA around 6 PM and ended by 2AM. Dense fog early morning. -RA began around 6 AM, ongoing at obs time. Temp rose from 28F at 11PM to 53F at 7AM.
2/17/2016 7:00 AM 0.81 0.0 M 0.0 M -RA until early afternoon; +SHRA 9-10AM.
2/18/2016 7:00 AM 0.00 0.0 M 0.0 M
2/19/2016 7:00 AM 0.00 0.0 M 0.0 M
2/20/2016 7:00 AM 0.00 0.0 M 0.0 M
2/21/2016 7:00 AM 0.00 0.0 M 0.0 M
2/22/2016 7:00 AM 0.11 0.0 M 0.0 M -RA yesterday afternoon and evening.
2/23/2016 7:00 AM 0.08 0.0 M 0.0 M -RA.
2/24/2016 7:00 AM 0.53 0.0 M 0.0 M -RA/-DZ for most of the past 24 hours.
2/25/2016 7:30 AM 1.49 0.0 M 0.0 M -RA through midday. -SHRA midafternoon. Then a line of strong thunderstorms rushed in all a-snarlin' and a-snappin' around 5PM, but the storms weakened while producing heavy rain, and ended around 7PM. Per neighbor's report, areas of standing water on low-lying streets nearby.
2/26/2016 7:30 AM T T M 0.0 M Flurries around midnight.
2/27/2016 7:00 AM 0.00 0.0 M 0.0 M
2/28/2016 7:00 AM 0.00 0.0 M 0.0 M
2/29/2016 7:00 AM 0.00 0.0 M 0.0 M
3/1/2016 7:00 AM 0.00 0.0 M 0.0 M
3/2/2016 6:00 AM 0.15 0.0 M 0.0 M -SHRA predawn.
3/3/2016 7:00 AM 0.00 0.0 M 0.0 M
3/4/2016 7:00 AM 0.06 1.0 M 1.0 M -SN overnight.
3/5/2016 6:00 AM 0.00 0.0 M 0.0 M
3/6/2016 7:00 AM T 0.0 M 0.0 M -SHRA 3-4AM.
3/7/2016 7:00 AM 0.00 0.0 M 0.0 M
3/8/2016 7:00 AM 0.00 0.0 M 0.0 M
3/9/2016 7:00 AM 0.00 0.0 M 0.0 M
3/10/2016 7:00 AM 0.00 0.0 M 0.0 M
3/11/2016 7:00 AM T 0.0 M 0.0 M Sprinkles around 3 AM.
3/12/2016 7:00 AM 0.00 0.0 M 0.0 M
3/13/2016 8:00 AM T 0.0 M 0.0 M Sprinkles 8-9AM EST yesterday and around 7AM today (EDT)
3/14/2016 7:00 AM 0.32 0.0 M 0.0 M -RA evening and early overnight then -DZ from about 2AM onward. -DZ at obs time.
3/15/2016 7:00 AM 0.02 0.0 M 0.0 M Occasional -RA/-DZ overnight. -RA at obs time.
3/16/2016 7:00 AM 0.02 0.0 M 0.0 M -RA ended midmorning.
3/17/2016 7:00 AM 0.01 0.0 M 0.0 M -SHRA around 7PM.
3/18/2016 7:00 AM T 0.0 M 0.0 M Sprinkles 3-4PM.
3/19/2016 7:00 AM 0.00 0.0 M 0.0 M
3/20/2016 7:00 AM 0.09 T M 0.0 M -RASN in the evening.
3/21/2016 7:00 AM 0.03 T M 0.0 M -SHPL 1-1:30PM. Otherwise -RASN in the afternoon and evening; solid precip melted on contact.
3/22/2016 7:00 AM 0.00 0.0 M 0.0 M
3/23/2016 7:00 AM 0.00 0.0 M 0.0 M
3/24/2016 7:00 AM 0.00 0.0 M 0.0 M
3/25/2016 7:00 AM 0.00 0.0 M 0.0 M
3/26/2016 7:00 AM 0.05 0.0 M 0.0 M -SHRA midday.
3/27/2016 7:00 AM 0.00 0.0 M 0.0 M
3/28/2016 7:00 AM 0.31 0.0 M 0.0 M -RA overnight through obs time.
3/29/2016 7:00 AM 0.03 0.0 M 0.0 M -RA ended midmorning.
3/30/2016 7:00 AM 0.00 0.0 M 0.0 M
3/31/2016 7:00 AM 0.00 0.0 M 0.0 M
4/1/2016 7:00 AM T 0.0 M 0.0 M Predawn -SHRA.
4/2/2016 7:00 AM 0.06 0.0 M 0.0 M -SHRA midmorning.
4/3/2016 7:00 AM 0.13 T M 0.0 M -SHRA 7:30AM-noon, 0.10". Sprinkles around 5PM, T; and -SHRA accompanying cold front 10-11PM, 0.03". Strong cold front passage 10:20PM with wind gusts estimated to 60 mph; caused power to flicker off and on a couple of times. Blustery winds the rest of the night continuing through obs time. -RASN around 5 AM with a trace of snow.
4/4/2016 7:00 AM 0.00 0.0 M 0.0 M
4/5/2016 7:00 AM 0.09 T M 0.0 M -RA 4-8PM. -SN 1-2AM.
4/6/2016 7:00 AM 0.00 0.0 M 0.0 M
4/7/2016 7:30 AM T 0.0 M 0.0 M -RA started around 7AM.
4/8/2016 7:30 AM 0.60 0.0 M 0.0 M -RA/brief +SHRA until noon, 0.40" Brief +TSRA 4:05-4:40PM, 0.19. -SHRA 7-9PM, 0.01. Sprinkles began around 7 AM and continuing through obs time this morning, T.
4/9/2016 7:45 AM 0.05 T M 0.0 M -SHRA estimated 3-5AM. -SHRASN 7-7:30AM today. -SHRA at obs time.
4/10/2016 7:45 AM 0.13 0.2 M 0.0 M -SHSN with large flakes 10-11AM then -SHRASN 11-noon. Very light -SHRA 4-7PM.
4/11/2016 7:00 AM T 0.0 M 0.0 M -SHRA this morning.
4/12/2016 7:00 AM 0.01 0.0 M 0.0 M -RA this morning.
4/13/2016 5:45 AM 0.11 0.0 M 0.0 M -RA until late morning. Unusually dark skies 9-9:30AM; many people remarked about that, but only -RA occurred.
4/14/2016 7:00 AM 0.00 0.0 M 0.0 M
4/15/2016 7:00 AM 0.00 0.0 M 0.0 M
4/16/2016 5:45 AM 0.00 0.0 M 0.0 M
4/17/2016 7:00 AM 0.00 0.0 M 0.0 M
4/18/2016 7:00 AM 0.00 0.0 M 0.0 M
4/19/2016 7:00 AM 0.00 0.0 M 0.0 M
4/20/2016 7:00 AM 0.00 0.0 M 0.0 M
4/21/2016 7:00 AM 0.00 0.0 M 0.0 M
4/22/2016 7:00 AM 0.00 0.0 M 0.0 M
4/23/2016 8:00 AM T 0.0 M 0.0 M Sprinkles 1-3PM and 3-4AM.
4/24/2016 7:45 AM 0.26 0.0 M 0.0 M -SHRA midday.
4/25/2016 7:00 AM 0.00 0.0 M 0.0 M
4/26/2016 7:00 AM 0.00 0.0 M 0.0 M
4/27/2016 7:00 AM 0.01 0.0 M 0.0 M -SHRA.
4/28/2016 7:00 AM 0.03 0.0 M 0.0 M -SHRA through 10 AM; -SHRA at obs time.
4/29/2016 7:00 AM 0.43 0.0 M 0.0 M -RA/brief +SHRA through midday. -SHRA 8-9PM and 5-6AM.
4/30/2016 5:45 AM 0.01 0.0 M 0.0 M -RADZ evening.
5/1/2016 5:45 AM 0.10 0.0 M 0.0 M -RA overnight through obs time.
5/2/2016 7:00 AM 0.59 0.0 M 0.0 M -RA most of day yesterday and into the predawn today. -DZ at obs time.
5/3/2016 7:00 AM 0.58 0.0 M 0.0 M Non-severe thunderstorms 7-9PM (but severe TS just to the S around 8PM), 0.54". -SHRA overnight and at obs time.
5/4/2016 7:00 AM 0.23 0.0 M 0.0 M -TSRA 5-6PM. -SHRA 11PM-2AM, time estimated.
5/5/2016 8:00 AM 0.01 0.0 M 0.0 M -DZ overnight through obs time.
5/6/2016 7:45 AM 0.24 0.0 M 0.0 M -RA 6-8PM, 0.04". -RA/RA began at 6AM, 0.20.
5/7/2016 7:45 AM 0.92 0.0 M 0.0 M -RA ended around 5AM.
5/8/2016 7:45 AM 0.03 0.0 M 0.0 M Predawn -SHRA.
5/9/2016 7:00 AM 0.00 0.0 M 0.0 M
5/10/2016 7:00 AM 0.03 0.0 M 0.0 M -SHRA midday.
5/11/2016 7:00 AM 0.22 0.0 M 0.0 M -SHRA predawn; +SHRA 1:00-1:10AM.
5/12/2016 7:00 AM 0.12 0.0 M 0.0 M -RADZ during day.
5/13/2016 7:00 AM 0.00 0.0 M 0.0 M
5/14/2016 7:00 AM 0.09 0.0 M 0.0 M -SHRA late morning.
5/15/2016 7:00 AM 0.15 0.0 M 0.0 M -SHRA midafternoon.
5/16/2016 7:00 AM 0.00 0.0 M 0.0 M Overnight low temp 40F.
5/17/2016 7:00 AM 0.00 0.0 M 0.0 M
5/18/2016 7:00 AM 0.42 0.0 M 0.0 M -RA most of the day.
5/19/2016 8:00 AM 0.01 0.0 M 0.0 M -RA 8-10PM and 4-6AM.
5/20/2016 7:00 AM 0.00 0.0 M 0.0 M
5/21/2016 7:30 AM 0.24 0.0 M 0.0 M -RA occasional RA this morning. High-end -RA at obs time.
5/22/2016 7:45 AM 0.62 0.0 M 0.0 M -RA/DZ off and on the past 24 hours. -DZ at obs time.
5/23/2016 7:00 AM 0.41 0.0 M 0.0 M -RA/-DZ past 24 hours. -RA at obs time.
5/24/2016 7:00 AM 0.17 0.0 M 0.0 M -SHRA 10-11AM and 6-8PM, 0.09". One rumble of thunder from storms to the SE at 2:45PM. Brief +SHRA around 2-2:15AM, 0.08.
5/25/2016 7:00 AM 0.00 0.0 M 0.0 M
5/26/2016 7:00 AM 0.00 0.0 M 0.0 M
5/27/2016 7:00 AM 0.00 0.0 M 0.0 M
5/28/2016 7:00 AM 0.00 0.0 M 0.0 M
5/29/2016 7:00 AM 0.00 0.0 M 0.0 M
5/30/2016 6:00 AM 0.65 0.0 M 0.0 M -RA/RA last evening.
5/31/2016 7:00 AM 0.00 0.0 M 0.0 M
6/1/2016 7:00 AM 0.00 0.0 M 0.0 M
6/2/2016 7:00 AM 0.00 0.0 M 0.0 M
6/3/2016 7:00 AM T 0.0 M 0.0 M Sprinkles last evening.
6/4/2016 8:00 AM 0.19 0.0 M 0.0 M -SHRA/SHRA last evening.
6/5/2016 8:00 AM 0.13 0.0 M 0.0 M -RA in the predawn.
6/6/2016 7:00 AM 0.43 0.0 M 0.0 M Non-severe +TSRA early evening.
6/7/2016 7:00 AM 0.00 0.0 M 0.0 M
6/8/2016 7:00 AM 0.02 0.0 M 0.0 M -SHRA in the afternoon.
6/9/2016 7:00 AM 0.00 0.0 M 0.0 M
6/10/2016 7:00 AM 0.00 0.0 M 0.0 M
6/11/2016 7:00 AM 0.00 0.0 M 0.0 M
6/12/2016 5:45 AM 0.00 0.0 M 0.0 M
6/13/2016 7:00 AM 0.00 0.0 M 0.0 M
6/14/2016 7:00 AM 0.00 0.0 M 0.0 M
6/15/2016 7:00 AM T 0.0 M 0.0 M -SHRA for the last hour.
6/16/2016 7:00 AM 0.03 0.0 M 0.0 M -SHRA ended around 8AM then again 1-3AM.
6/17/2016 7:00 AM 0.48 0.0 M 0.0 M -SHRA 8-9AM: T. Non-severe +TSRA 8-11:30PM: 0.45. -SHRA 1-4AM: 0.03; time estimated.
6/18/2016 7:00 AM T 0.0 M 0.0 M Sprinkles 8-9AM.
6/19/2016 7:00 AM 0.00 0.0 M 0.0 M
6/20/2016 7:00 AM 0.00 0.0 M 0.0 M
6/21/2016 7:00 AM 0.00 0.0 M 0.0 M
6/22/2016 7:00 AM 0.70 0.0 M 0.0 M Non-severe +TSRA 1530-1630EDT: 0.46. Non-severe +TSRA 1800-1830EDT: 0.24.
6/23/2016 7:30 AM 0.36 0.0 M 0.0 M -RA/RA this morning; likely weak TSRA between 6 and 7AM.
6/24/2016 7:45 AM 0.22 0.0 M 0.0 M -RA ended midmorning.
6/25/2016 7:45 AM T 0.0 M 0.0 M Sprinkles noted at around 1PM, 6PM, and 10PM.
6/26/2016 7:00 AM 0.00 0.0 M 0.0 M
6/27/2016 7:00 AM 0.00 0.0 M 0.0 M
6/28/2016 7:00 AM 0.80 0.0 M 0.0 M -SHRA 7-8PM. -SHRA/occasional +SHRA 11PM-3AM with brief TSRA 1255AM.
6/29/2016 7:00 AM 0.33 0.0 M 0.0 M -SHRA/TSRA last eve, non-severe TS.
6/30/2016 7:00 AM 0.00 0.0 M 0.0 M
7/1/2016 7:00 AM 0.00 0.0 M 0.0 M
7/2/2016 7:00 AM 0.17 0.0 M 0.0 M -SHRA 9-10AM 0.02. -TSRA 5-6PM and -SHRA 8-9PM 0.15. All times approximate.
7/3/2016 7:00 AM 0.11 0.0 M 0.0 M -RA this morning.
7/4/2016 7:00 AM 0.06 0.0 M 0.0 M -RA ended 8AM: 0.03. -SHRA 4-7PM 0.02. -SHRA 3-5AM 0.01.
7/5/2016 7:00 AM 0.45 0.0 M 0.0 M -RA 8-9AM: T. -RA 1-5PM: 0.19. -RA/DZ 8PM-midnight 0.08. -SHRA 4-6AM 0.18.
7/6/2016 7:00 AM 0.00 0.0 M 0.0 M
7/7/2016 7:00 AM 0.00 0.0 M 0.0 M
7/8/2016 7:00 AM 0.00 0.0 M 0.0 M
7/9/2016 7:45 AM 0.53 0.0 M 0.0 M +SHRA 4-4:30PM then one rumble of thunder from the departing system.
7/10/2016 7:00 AM 0.03 0.0 M 0.0 M -SHRA midafternoon.
7/11/2016 7:00 AM 0.00 0.0 M 0.0 M
7/12/2016 7:00 AM 0.00 0.0 M 0.0 M
7/13/2016 7:00 AM 0.00 0.0 M 0.0 M
7/14/2016 6:00 AM 0.00 0.0 M 0.0 M
7/15/2016 7:00 AM 0.00 0.0 M 0.0 M
7/16/2016 7:00 AM 0.00 0.0 M 0.0 M
7/17/2016 7:00 AM 0.87 0.0 M 0.0 M Non-severe +TSRA last evening.
7/18/2016 7:00 AM 0.00 0.0 M 0.0 M
7/19/2016 7:00 AM 0.41 0.0 M 0.0 M Robust but non-severe +TSRA late afternoon. Estimated wind gusts to 40 mph as storm came in.
7/20/2016 7:00 AM 0.45 0.0 M 0.0 M Robust but non-severe +TSRA around midnight.
7/21/2016 7:00 AM 0.00 0.0 M 0.0 M
7/22/2016 7:00 AM 0.00 0.0 M 0.0 M
7/23/2016 7:00 AM 0.00 0.0 M 0.0 M
7/24/2016 7:00 AM T 0.0 M 0.0 M -SHRA shortly after 8PM.
7/25/2016 7:00 AM T 0.0 M 0.0 M Few rumbles of thunder around midnight. Few raindrops around midnight.
7/26/2016 7:00 AM 0.02 0.0 M 0.0 M -TSRA late evening.
7/27/2016 6:00 AM 0.00 0.0 M 0.0 M
7/28/2016 5:30 AM 0.00 0.0 M 0.0 M
7/29/2016 7:00 AM 0.35 0.0 M 0.0 M -TSRA 5:30-6:00PM 0.05. TSRA 8:30-9:30PM 0.11. Overnight showers ending around 6AM, 0.19. No severe weather or flooding.
7/30/2016 7:00 AM 0.00 0.0 M 0.0 M
7/31/2016 7:00 AM 0.28 0.0 M 0.0 M -SHRA/-TSRA last evening.
8/1/2016 7:00 AM 0.01 0.0 M 0.0 M -SHRA 6-7PM.
8/2/2016 7:00 AM 0.00 0.0 M 0.0 M
8/3/2016 7:00 AM 0.00 0.0 M 0.0 M
8/4/2016 7:00 AM 0.00 0.0 M 0.0 M
8/5/2016 7:00 AM 0.00 0.0 M 0.0 M
8/6/2016 7:00 AM 0.05 0.0 M 0.0 M Predawn -SHRA.
8/7/2016 7:00 AM 0.27 0.0 M 0.0 M Non-severe +TSRA midafternoon.
8/8/2016 7:00 AM 0.00 0.0 M 0.0 M
8/9/2016 7:00 AM 0.00 0.0 M 0.0 M
8/10/2016 7:00 AM T 0.0 M 0.0 M Sprinkles midday.
8/11/2016 7:00 AM 0.00 0.0 M 0.0 M
8/12/2016 7:00 AM 0.00 0.0 M 0.0 M
8/13/2016 7:00 AM 0.00 0.0 M 0.0 M
8/14/2016 7:00 AM 0.00 0.0 M 0.0 M
8/15/2016 7:00 AM 0.00 0.0 M 0.0 M One distant rumble of thunder to the SE around 7:30 PM.
8/16/2016 7:00 AM 0.73 0.0 M 0.0 M Robust but non-severe +TSRA last evening.
8/17/2016 7:00 AM 0.00 0.0 M 0.0 M
8/18/2016 7:00 AM 0.56 0.0 M 0.0 M Once again, strong but non-severe +TSRA last evening.
8/19/2016 7:00 AM 0.00 0.0 M 0.0 M
8/20/2016 7:00 AM 0.00 0.0 M 0.0 M
8/21/2016 7:00 AM 0.00 0.0 M 0.0 M
8/22/2016 7:00 AM 1.21 0.0 M 0.0 M -SHRA 9-10AM, 0.07. Non-severe +TSRA 3:30-5:30PM, 0.98. SHRA 7-8PM, 0.16.
8/23/2016 7:00 AM 0.00 0.0 M M M
8/24/2016 7:00 AM 0.00 0.0 M M M
8/25/2016 7:00 AM 0.00 0.0 M M M
8/26/2016 7:00 AM 0.00 0.0 M M M
8/27/2016 7:00 AM 0.00 0.0 M M M
8/28/2016 7:00 AM 0.00 0.0 M M M
8/29/2016 7:00 AM 0.00 0.0 M 0.0 M
8/30/2016 7:00 AM 0.00 0.0 M 0.0 M
8/31/2016 7:00 AM 0.00 0.0 M 0.0 M
9/1/2016 7:00 AM T 0.0 M 0.0 M -SHRA 2-3AM and at obs time.
9/2/2016 7:00 AM 0.03 0.0 M 0.0 M -SHRA 7-10AM and 11PM-1AM.
9/3/2016 7:00 AM 0.00 0.0 M 0.0 M
9/4/2016 7:00 AM 0.00 0.0 M 0.0 M
9/5/2016 6:00 AM 0.00 0.0 M 0.0 M
9/6/2016 7:00 AM 0.00 0.0 M 0.0 M
9/7/2016 7:00 AM 0.00 0.0 M 0.0 M
9/8/2016 6:00 AM 0.02 0.0 M 0.0 M -SHRA last evening.
9/9/2016 7:00 AM 0.00 0.0 M 0.0 M
9/10/2016 7:00 AM 0.00 0.0 M 0.0 M
9/11/2016 7:00 AM 0.00 0.0 M 0.0 M
9/12/2016 7:00 AM 0.00 0.0 M 0.0 M
9/13/2016 7:00 AM 0.00 0.0 M 0.0 M
9/14/2016 7:00 AM 0.00 0.0 M 0.0 M
9/15/2016 7:00 AM 0.00 0.0 M 0.0 M
9/16/2016 7:00 AM 0.00 0.0 M 0.0 M
9/17/2016 7:00 AM 0.00 0.0 M 0.0 M
9/18/2016 7:00 AM 0.00 0.0 M 0.0 M
9/19/2016 7:00 AM 0.73 0.0 M 0.0 M +SHRA 5-5:10AM. -TSRA 5:45-6AM.
9/20/2016 7:00 AM 0.66 0.0 M 0.0 M -RA/RA yesterday after obs time.
9/21/2016 7:00 AM 0.00 0.0 M 0.0 M
9/22/2016 7:00 AM 0.00 0.0 M 0.0 M
9/23/2016 7:00 AM 0.00 0.0 M 0.0 M
9/24/2016 7:00 AM 0.00 0.0 M 0.0 M
9/25/2016 7:00 AM 0.00 0.0 M 0.0 M
9/26/2016 7:00 AM 0.00 0.0 M 0.0 M
9/27/2016 7:00 AM 0.69 M M M M -RA occasional +RA overnight.
9/28/2016 7:00 AM T 0.0 M 0.0 M -SHRA began around 6 AM.
9/29/2016 8:00 AM 1.88 0.0 M 0.0 M It was a dark and stormy night...rain and a few TSRA during the day and continuing overnight. -SHRA at obs time.
9/30/2016 8:00 AM 0.46 0.0 M 0.0 M -RA overnight. -DZ at obs time.



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
1/23/2016 1/24/2016 7:00 AM 2 1.73 18.0 M Snow depth as of 1/24 estimated. Precip occurred 1/23-24 from The Great Blizzard. I was marooned at DCA during that time.



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