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 16 3.61 1.53 31 1.53 31 0.00 0 0 7 2 0.0 0 0
Nov 16 3.32 0.40 30 0.40 30 0.00 0 0 6 3 0.0 0 0
Dec 16 3.23 3.30 31 3.30 31 0.00 0 0 13 2 0.0 0 0
Jan 17 3.00 3.02 31 3.02 31 0.00 0 0 18 6 2.6 3 2
Feb 17 2.68 0.56 28 0.56 28 0.00 0 0 6 4 0.0 0 0
March 17 3.65 3.16 31 3.16 31 0.00 0 0 14 5 2.2 2 3
April 17 3.31 4.25 30 4.25 30 0.00 0 0 11 7 0.0 0 0
May 17 4.17 6.65 31 6.65 31 0.00 0 0 15 3 0.0 0 0
June 17 3.80 0.75 30 0.75 30 0.00 0 0 7 3 0.0 0 0
July 17 3.96 7.48 31 7.48 31 0.00 0 0 10 2 0.0 0 0
Aug 17 3.23 4.68 31 4.68 31 0.00 0 0 11 2 0.0 0 0
Sept 17 3.68 1.70 30 1.70 30 0.00 0 0 6 1 0.0 0 0
Water Year Totals: 41.64" 37.48" 365 days 37.48" 365 0.00" 0 days 0 124 days 40 days 4.8" 5 days 5 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 0.10
10/2/2016 0.29
10/3/2016 0.00
10/4/2016 0.00
10/5/2016 0.00
10/6/2016 0.00
10/7/2016 0.00
10/8/2016 0.00
10/9/2016 0.69
10/10/2016 0.01
10/11/2016 0.00
10/12/2016 0.00
10/13/2016 0.00
10/14/2016 0.00
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 T
10/21/2016 0.00
10/22/2016 0.31
10/23/2016 T
10/24/2016 0.00
10/25/2016 0.00
10/26/2016 0.00
10/27/2016 0.00
10/28/2016 0.12
10/29/2016 0.00
10/30/2016 0.00
10/31/2016 0.01
11/1/2016 0.00
11/2/2016 0.00
11/3/2016 0.00
11/4/2016 T
11/5/2016 0.00
11/6/2016 0.00
11/7/2016 0.00
11/8/2016 0.00
11/9/2016 0.07
11/10/2016 0.16
11/11/2016 0.00
11/12/2016 0.00
11/13/2016 0.00
11/14/2016 0.00
11/15/2016 T
11/16/2016 0.00
11/17/2016 0.02
11/18/2016 0.00
11/19/2016 0.00
11/20/2016 0.01
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 0.04
11/30/2016 0.10
12/1/2016 0.54
12/2/2016 0.00
12/3/2016 0.00
12/4/2016 0.00
12/5/2016 0.27
12/6/2016 0.00
12/7/2016 1.14
12/8/2016 0.00
12/9/2016 0.00
12/10/2016 0.00
12/11/2016 0.00
12/12/2016 0.19
12/13/2016 0.01
12/14/2016 0.00
12/15/2016 0.00
12/16/2016 0.00
12/17/2016 0.05
12/18/2016 0.20
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 0.39
12/25/2016 0.21
12/26/2016 0.00
12/27/2016 0.02
12/28/2016 T
12/29/2016 0.21
12/30/2016 0.06
12/31/2016 T
Day of YearDaily PrcpMultiday Prcp
1/1/2017 T
1/2/2017 0.12
1/3/2017 0.27
1/4/2017 0.71
1/5/2017 0.01
1/6/2017 T
1/7/2017 T
1/8/2017 0.04
1/9/2017 0.00
1/10/2017 0.00
1/11/2017 0.04
1/12/2017 0.03
1/13/2017 0.01
1/14/2017 0.06
1/15/2017 0.31
1/16/2017 0.00
1/17/2017 0.11
1/18/2017 0.16
1/19/2017 T
1/20/2017 0.00
1/21/2017 0.03
1/22/2017 0.01
1/23/2017 0.33
1/24/2017 0.70
1/25/2017 0.00
1/26/2017 T
1/27/2017 0.01
1/28/2017 0.00
1/29/2017 0.00
1/30/2017 0.07
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 0.01
2/8/2017 0.00
2/9/2017 0.20
2/10/2017 T
2/11/2017 0.00
2/12/2017 0.00
2/13/2017 0.02
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 0.02
2/20/2017 0.00
2/21/2017 0.00
2/22/2017 T
2/23/2017 T
2/24/2017 0.00
2/25/2017 0.00
2/26/2017 0.30
2/27/2017 0.00
2/28/2017 0.00
3/1/2017 0.38
3/2/2017 0.13
3/3/2017 T
3/4/2017 0.00
3/5/2017 0.00
3/6/2017 0.00
3/7/2017 T
3/8/2017 0.13
3/9/2017 T
3/10/2017 T
3/11/2017 0.10
3/12/2017 0.00
3/13/2017 0.00
3/14/2017 1.15
3/15/2017 0.19
3/16/2017 0.00
3/17/2017 0.00
3/18/2017 0.04
3/19/2017 0.68
3/20/2017 0.01
3/21/2017 0.01
3/22/2017 0.00
3/23/2017 0.00
3/24/2017 0.00
3/25/2017 0.14
3/26/2017 0.00
3/27/2017 T
3/28/2017 0.01
3/29/2017 0.04
3/30/2017 0.00
3/31/2017 0.15
Day of YearDaily PrcpMultiday Prcp
4/1/2017 0.90
4/2/2017 0.00
4/3/2017 0.00
4/4/2017 0.12
4/5/2017 T
4/6/2017 T
4/7/2017 1.57
4/8/2017 T
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 T
4/18/2017 0.09
4/19/2017 T
4/20/2017 0.01
4/21/2017 0.06
4/22/2017 0.86
4/23/2017 0.21
4/24/2017 0.01
4/25/2017 0.27
4/26/2017 0.15
4/27/2017 0.00
4/28/2017 T
4/29/2017 0.00
4/30/2017 0.00
5/1/2017 0.00
5/2/2017 0.02
5/3/2017 0.00
5/4/2017 0.00
5/5/2017 0.86
5/6/2017 1.03
5/7/2017 0.15
5/8/2017 T
5/9/2017 0.00
5/10/2017 0.00
5/11/2017 0.00
5/12/2017 1.53
5/13/2017 0.93
5/14/2017 T
5/15/2017 0.00
5/16/2017 0.00
5/17/2017 0.00
5/18/2017 0.00
5/19/2017 0.06
5/20/2017 0.00
5/21/2017 0.00
5/22/2017 0.10
5/23/2017 0.16
5/24/2017 0.12
5/25/2017 0.56
5/26/2017 0.49
5/27/2017 0.00
5/28/2017 0.03
5/29/2017 0.11
5/30/2017 T
5/31/2017 0.50
6/1/2017 0.05
6/2/2017 0.00
6/3/2017 0.00
6/4/2017 0.00
6/5/2017 0.00
6/6/2017 0.02
6/7/2017 0.00
6/8/2017 T
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 T
6/16/2017 0.00
6/17/2017 0.16
6/18/2017 0.00
6/19/2017 0.00
6/20/2017 0.06
6/21/2017 0.00
6/22/2017 0.00
6/23/2017 0.20
6/24/2017 0.25
6/25/2017 0.00
6/26/2017 0.00
6/27/2017 0.01
6/28/2017 T
6/29/2017 0.00
6/30/2017 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2017 0.00
7/2/2017 0.32
7/3/2017 0.00
7/4/2017 0.00
7/5/2017 T
7/6/2017 1.07
7/7/2017 0.28
7/8/2017 0.07
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 0.37
7/16/2017 0.00
7/17/2017 0.00
7/18/2017 0.00
7/19/2017 0.00
7/20/2017 0.00
7/21/2017 0.00
7/22/2017 0.00
7/23/2017 2.16
7/24/2017 0.72
7/25/2017 0.03
7/26/2017 0.00
7/27/2017 0.00
7/28/2017 0.00
7/29/2017 2.45
7/30/2017 0.01
7/31/2017 0.00
8/1/2017 0.00
8/2/2017 0.00
8/3/2017 0.00
8/4/2017 T
8/5/2017 0.00
8/6/2017 0.00
8/7/2017 0.12
8/8/2017 1.50
8/9/2017 0.00
8/10/2017 0.00
8/11/2017 0.00
8/12/2017 1.23
8/13/2017 0.53
8/14/2017 0.00
8/15/2017 0.01
8/16/2017 0.12
8/17/2017 0.00
8/18/2017 T
8/19/2017 0.03
8/20/2017 0.06
8/21/2017 0.00
8/22/2017 0.00
8/23/2017 0.00
8/24/2017 0.00
8/25/2017 0.06
8/26/2017 0.00
8/27/2017 0.00
8/28/2017 0.00
8/29/2017 0.28
8/30/2017 0.74
8/31/2017 0.00
9/1/2017 0.00
9/2/2017 0.68
9/3/2017 0.26
9/4/2017 0.00
9/5/2017 0.00
9/6/2017 0.17
9/7/2017 0.52
9/8/2017 0.00
9/9/2017 0.00
9/10/2017 0.00
9/11/2017 0.00
9/12/2017 T
9/13/2017 0.03
9/14/2017 0.04
9/15/2017 0.00
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 7:45 AM 0.10 0.0 M 0.0 M -RA/-DZ continuing. -DZ at obs time.
10/2/2016 7:45 AM 0.29 0.0 M 0.0 M -RA ended early afternoon. Perhaps spotty drizzle overnight.
10/3/2016 7:00 AM 0.00 0.0 M 0.0 M
10/4/2016 7:00 AM 0.00 0.0 M 0.0 M
10/5/2016 7:00 AM 0.00 0.0 M 0.0 M
10/6/2016 7:00 AM 0.00 0.0 M 0.0 M
10/7/2016 7:00 AM 0.00 0.0 M 0.0 M
10/8/2016 7:00 AM 0.00 0.0 M 0.0 M
10/9/2016 7:00 AM 0.69 0.0 M 0.0 M -RA 9AM-7PM and starting again around 1AM; -RA at 7 AM.
10/10/2016 7:00 AM 0.01 0.0 M 0.0 M -RA ended around 8AM.
10/11/2016 7:00 AM 0.00 0.0 M 0.0 M
10/12/2016 7:00 AM 0.00 0.0 M 0.0 M
10/13/2016 7:30 AM 0.00 0.0 M 0.0 M Dense fog at obs time.
10/14/2016 7:00 AM 0.00 0.0 M 0.0 M
10/15/2016 7:00 AM 0.00 0.0 M 0.0 M
10/16/2016 7:00 AM 0.00 0.0 M 0.0 M
10/17/2016 7:00 AM 0.00 0.0 M 0.0 M
10/18/2016 7:00 AM 0.00 0.0 M 0.0 M
10/19/2016 7:00 AM 0.00 0.0 M 0.0 M
10/20/2016 7:00 AM T 0.0 M 0.0 M -SHRA 1-3AM, estimated time.
10/21/2016 7:00 AM 0.00 0.0 M 0.0 M
10/22/2016 7:00 AM 0.31 0.0 M 0.0 M SHRA early yesterday afternoon.
10/23/2016 7:00 AM T 0.0 M 0.0 M Sprinkles midmorning.
10/24/2016 7:00 AM 0.00 0.0 M 0.0 M
10/25/2016 7:00 AM 0.00 0.0 M 0.0 M
10/26/2016 7:00 AM 0.00 0.0 M 0.0 M Light frost. Current temp 37F.
10/27/2016 7:00 AM 0.00 0.0 M 0.0 M
10/28/2016 8:00 AM 0.12 0.0 M 0.0 M Brief TSRA 1-1:15PM otherwise -SHRA until 3PM.
10/29/2016 7:00 AM 0.00 0.0 M 0.0 M
10/30/2016 7:00 AM 0.00 0.0 M 0.0 M
10/31/2016 7:00 AM 0.01 0.0 M 0.0 M -SHRA last evening.
11/1/2016 7:00 AM 0.00 0.0 M 0.0 M
11/2/2016 7:00 AM 0.00 0.0 M 0.0 M
11/3/2016 7:00 AM 0.00 0.0 M 0.0 M
11/4/2016 7:00 AM T 0.0 M 0.0 M -SHRA late evening.
11/5/2016 6:00 AM 0.00 0.0 M 0.0 M
11/6/2016 7:00 AM 0.00 0.0 M 0.0 M
11/7/2016 7:00 AM 0.00 0.0 M 0.0 M
11/8/2016 7:00 AM 0.00 0.0 M 0.0 M
11/9/2016 7:00 AM 0.07 0.0 M 0.0 M -RA this morning.
11/10/2016 7:30 AM 0.16 0.0 M 0.0 M Occasional -RA through early evening.
11/11/2016 7:00 AM 0.00 0.0 M 0.0 M
11/12/2016 7:00 AM 0.00 0.0 M 0.0 M
11/13/2016 7:00 AM 0.00 0.0 M 0.0 M
11/14/2016 7:00 AM 0.00 0.0 M 0.0 M The growing season is over. 31F yesterday, 32F this morning with heavy frost both mornings.
11/15/2016 7:00 AM T 0.0 M 0.0 M Intermittent -RA evening and overnight.
11/16/2016 7:00 AM 0.00 0.0 M 0.0 M
11/17/2016 7:00 AM 0.02 0.0 M 0.0 M -SHRA midafternoon.
11/18/2016 7:00 AM 0.00 0.0 M 0.0 M
11/19/2016 7:00 AM 0.00 0.0 M 0.0 M
11/20/2016 7:00 AM 0.01 0.0 M 0.0 M -SHRA early evening.
11/21/2016 7:00 AM 0.00 0.0 M 0.0 M
11/22/2016 7:00 AM 0.00 0.0 M 0.0 M
11/23/2016 7:00 AM 0.00 0.0 M 0.0 M
11/24/2016 7:30 AM T 0.0 M 0.0 M -RA 6-7AM.
11/25/2016 7:00 AM 0.00 0.0 M 0.0 M
11/26/2016 7:00 AM 0.00 0.0 M 0.0 M
11/27/2016 7:00 AM 0.00 0.0 M 0.0 M
11/28/2016 7:00 AM 0.00 0.0 M 0.0 M
11/29/2016 7:00 AM 0.04 0.0 M 0.0 M -SHRA this morning.
11/30/2016 7:00 AM 0.10 0.0 M 0.0 M -SHRA through 2PM, then 3-5PM and starting 5AM today. -SHRA at obs time.
12/1/2016 7:00 AM 0.54 0.0 M 0.0 M -RA ended 10AM: T. +SHRA 8-10PM, 0.27. More +SHRA 1-2AM, 0.27.
12/2/2016 7:00 AM 0.00 0.0 M 0.0 M
12/3/2016 7:00 AM 0.00 0.0 M 0.0 M
12/4/2016 7:00 AM 0.00 0.0 M 0.0 M
12/5/2016 7:00 AM 0.27 0.0 M 0.0 M -RA overnight.
12/6/2016 7:00 AM 0.00 0.0 M 0.0 M
12/7/2016 7:00 AM 1.14 T M 0.0 M -RAPL 7:30-9AM otherwise -RA/RA through 10PM.
12/8/2016 7:00 AM 0.00 0.0 M 0.0 M
12/9/2016 7:00 AM 0.00 0.0 M 0.0 M
12/10/2016 7:00 AM 0.00 0.0 M 0.0 M
12/11/2016 7:00 AM 0.00 0.0 M 0.0 M
12/12/2016 7:00 AM 0.19 0.0 M 0.0 M -RA this morning.
12/13/2016 7:00 AM 0.01 0.0 M 0.0 M -RA.
12/14/2016 7:00 AM 0.00 0.0 M 0.0 M
12/15/2016 7:00 AM 0.00 0.0 M 0.0 M
12/16/2016 7:00 AM 0.00 0.0 M 0.0 M Overnight low temp 16F.
12/17/2016 7:00 AM 0.05 0.0 M 0.0 M -FZRA this morning.
12/18/2016 7:00 AM 0.20 0.0 M 0.0 M -FZRA ended by 10AM.
12/19/2016 7:00 AM 0.01 0.0 M 0.0 M -SHRA yesterday afternoon. Strong cold front passed at 1:50PM accompanied by squalls like a summer thunderstorm; but only sprinkles accompanied the front.
12/20/2016 7:00 AM 0.00 0.0 M 0.0 M
12/21/2016 7:00 AM 0.00 0.0 M 0.0 M
12/22/2016 7:00 AM 0.00 0.0 M 0.0 M
12/23/2016 7:00 AM 0.00 0.0 M 0.0 M
12/24/2016 7:45 AM 0.39 0.0 M 0.0 M -RA/RA this morning. -RA at obs time.
12/25/2016 7:45 AM 0.21 0.0 M 0.0 M -RA ended midday. Dense fog 10PM as I left for the midnight shift at DCA weather office. Merry Christmas!
12/26/2016 7:00 AM 0.00 0.0 M 0.0 M
12/27/2016 7:00 AM 0.02 0.0 M 0.0 M -SHRA just before obs time.
12/28/2016 7:00 AM T 0.0 M 0.0 M -SHRA just after obs time yesterday.
12/29/2016 7:30 AM 0.21 0.0 M 0.0 M -RA this morning.
12/30/2016 7:00 AM 0.06 0.0 M 0.0 M -RA ended around 10AM.
12/31/2016 7:00 AM T T M 0.0 M Flurries around midday.
1/1/2017 6:00 AM T 0.0 M 0.0 M Sprinkles around 8PM.
1/2/2017 7:00 AM 0.12 0.0 M 0.0 M -RADZ this morning. -DZ at obs time.
1/3/2017 7:00 AM 0.27 0.0 M 0.0 M -RA/-DZ past 24 hours. -RA at obs time.
1/4/2017 7:00 AM 0.71 0.0 M 0.0 M -RA/RA ended around noon. -RADZ 9-11PM. Dense fog at obs time.
1/5/2017 7:00 AM 0.01 0.0 M 0.0 M -SHRA late morning.
1/6/2017 7:00 AM T T M 0.0 M Very light -SN 3-4PM and 11PM-2AM. Melted as it fell.
1/7/2017 7:30 AM T T M T M -SN this morning. Barely precipitating at obs time.
1/8/2017 7:00 AM 0.04 1.3 M 0.5 M -SN; measurable only after 7 AM.
1/9/2017 7:00 AM 0.00 0.0 M T M
1/10/2017 7:00 AM 0.00 0.0 M T M
1/11/2017 7:00 AM 0.04 0.0 M 0.0 M -SHRA after midnight.
1/12/2017 6:00 AM 0.03 0.0 M 0.0 M -SHRA overnight.
1/13/2017 7:00 AM 0.01 0.0 M 0.0 M -SHRA midmorning.
1/14/2017 7:00 AM 0.06 0.1 M 0.0 M -RA with occasional -PL mixed. -RA at obs time. Estimated "snow" depth 0.1 inch at 5AM, all melted by 7AM.
1/15/2017 7:00 AM 0.31 0.0 M 0.0 M -RA off and on through late evening.
1/16/2017 7:00 AM 0.00 0.0 M 0.0 M
1/17/2017 7:00 AM 0.11 0.0 M 0.0 M -RA overnight. Not raining at obs time.
1/18/2017 7:00 AM 0.16 0.0 M 0.0 M -RA midday and afternoon.
1/19/2017 7:00 AM T 0.0 M 0.0 M -SHRA midmorning.
1/20/2017 7:00 AM 0.00 0.0 M 0.0 M
1/21/2017 7:30 AM 0.03 0.0 M 0.0 M -SHRA 8-10AM and 1-4PM. -DZ estimated 1-7AM today.
1/22/2017 7:00 AM 0.01 0.0 M 0.0 M -RA/-DZ 6-10PM and 5-6AM.
1/23/2017 7:00 AM 0.33 0.0 M 0.0 M -RA yesterday morning through 7AM today.
1/24/2017 7:00 AM 0.70 0.0 M 0.0 M -RA/+RA until about 5PM then -DZ until about 6AM.
1/25/2017 7:00 AM 0.00 0.0 M 0.0 M
1/26/2017 7:00 AM T 0.0 M 0.0 M -SHRA just started.
1/27/2017 7:00 AM 0.01 0.0 M 0.0 M -SHRA ended late morning.
1/28/2017 7:00 AM 0.00 0.0 M 0.0 M
1/29/2017 7:00 AM 0.00 0.0 M 0.0 M
1/30/2017 7:00 AM 0.07 1.2 0.07 1.0 0.07 -SN started around midnight. -SHSN at obe time. Snow accumulated mostly on grassy areas.
1/31/2017 7:00 AM T T M 0.0 M Flurries noon-2PM. Morning flurries ended around 8AM.
2/1/2017 7:00 AM 0.00 0.0 M 0.0 M
2/2/2017 7:00 AM 0.00 0.0 M 0.0 M
2/3/2017 7:00 AM 0.00 0.0 M 0.0 M
2/4/2017 7:00 AM 0.00 0.0 M 0.0 M
2/5/2017 7:00 AM 0.00 0.0 M 0.0 M
2/6/2017 7:00 AM 0.00 0.0 M 0.0 M
2/7/2017 7:00 AM 0.01 0.0 M 0.0 M -SHRA early this morning.
2/8/2017 7:00 AM 0.00 0.0 M 0.0 M
2/9/2017 7:00 AM 0.20 0.0 M 0.0 M -RA started in the predawn. -RA at obs time, temp 40F.
2/10/2017 7:00 AM T T M 0.0 M Flurries 8-9AM and 4-5PM.
2/11/2017 7:00 AM 0.00 0.0 M 0.0 M
2/12/2017 7:00 AM 0.00 0.0 M 0.0 M
2/13/2017 7:00 AM 0.02 0.0 M 0.0 M -SHRA midmorning. Strong cold front passage 11:25 PM with -SHRA SQ and winds estimated to 65 mph. These winds lasted about 45 minutes and knocked power out for about 30 minutes. Blustery with somewhat lesser winds the rest of the night, and the power stayed on once it came back up.
2/14/2017 7:00 AM 0.00 0.0 M 0.0 M
2/15/2017 7:00 AM 0.01 T M 0.0 M Intermittent -RASN 11AM-2PM; if I hadn't been driving around in it, I wouldn't have known about the wet -SN. Also -RA estimated 5-6AM today.
2/16/2017 7:00 AM 0.00 0.0 M 0.0 M
2/17/2017 7:00 AM T T M 0.0 M Flurries just after obs time yesterday,
2/18/2017 7:00 AM 0.00 0.0 M 0.0 M
2/19/2017 7:00 AM 0.02 0.0 M 0.0 M -RA early this morning.
2/20/2017 7:00 AM 0.00 0.0 M 0.0 M
2/21/2017 7:00 AM 0.00 0.0 M 0.0 M
2/22/2017 7:00 AM T 0.0 M 0.0 M -SHRA this hour.
2/23/2017 7:00 AM T 0.0 M 0.0 M -SHRA ended midmorning.
2/24/2017 7:00 AM 0.00 0.0 M 0.0 M
2/25/2017 5:45 AM 0.00 0.0 M 0.0 M
2/26/2017 7:00 AM 0.30 0.0 M 0.0 M Non-severe TSRA 3-4PM otherwise -SHRA.
2/27/2017 7:00 AM 0.00 0.0 M 0.0 M
2/28/2017 7:00 AM 0.00 0.0 M 0.0 M
3/1/2017 7:00 AM 0.38 0.0 M 0.0 M -SHRA/few SHRA 5PM-1AM.
3/2/2017 8:00 AM 0.13 0.0 M 0.0 M Brief but violent SHRA around 2PM with wind gusts estimated to 60 mph.
3/3/2017 7:45 AM T T M 0.0 M Flurries 5-7AM based on radar. Melted on contact. Virga at obs time.
3/4/2017 7:00 AM 0.00 0.0 M 0.0 M
3/5/2017 7:00 AM 0.00 0.0 M 0.0 M
3/6/2017 7:00 AM 0.00 0.0 M 0.0 M
3/7/2017 7:00 AM T 0.0 M 0.0 M -SHRA at obs time.
3/8/2017 7:00 AM 0.13 0.0 M 0.0 M -SHRA ended around 9AM. -RA 5-10PM. -SHRA began around 3AM and continuing through obs time. Brief strong NW winds around 4AM.
3/9/2017 7:00 AM T 0.0 M 0.0 M -SHRA ended by 8 AM.
3/10/2017 7:00 AM T 0.0 M 0.0 M Sprinkles at obs time.
3/11/2017 7:00 AM 0.10 T M 0.0 M -RASN until midday.
3/12/2017 7:00 AM 0.00 0.0 M 0.0 M
3/13/2017 7:00 AM 0.00 0.0 M 0.0 M
3/14/2017 7:00 AM 1.15 2.0 M 2.0 M Mixed wintry precip since about 6:30PM yesterday. -RAPL at obs time with temp 33F. Gauge iced up, unable to loosen it to melt precip, so water equivalent is estimated based on KDCA reports.
3/15/2017 7:00 AM 0.19 0.2 M 1.5 M Wintry precip ended around 10 AM. Flurries 1-2PM, T.
3/16/2017 7:45 AM 0.00 0.0 M 1.0 M
3/17/2017 7:00 AM 0.00 0.0 M 0.0 M
3/18/2017 8:00 AM 0.04 0.0 M 0.0 M -SHRA overnight.
3/19/2017 8:00 AM 0.68 T M 0.0 M -RA overnight; -RASN starting around 4 AM. -RASN at obs time. Snow not sticking, melting on contact. Overnight low temp 37F.
3/20/2017 7:00 AM 0.01 T M 0.0 M -RASN ended by 10 AM.
3/21/2017 7:00 AM 0.01 0.0 M 0.0 M -SHRA this predawn.
3/22/2017 7:00 AM 0.00 0.0 M 0.0 M
3/23/2017 7:00 AM 0.00 0.0 M 0.0 M
3/24/2017 7:00 AM 0.00 0.0 M 0.0 M
3/25/2017 6:00 AM 0.14 0.0 M 0.0 M -SHRA late morning.
3/26/2017 8:00 AM 0.00 0.0 M 0.0 M
3/27/2017 7:00 AM T 0.0 M 0.0 M Spotty -DZ overnight. -DZ FG at obs time.
3/28/2017 7:00 AM 0.01 0.0 M 0.0 M -RA/-DZ and dense fog ended by midmorning.
3/29/2017 7:00 AM 0.04 0.0 M 0.0 M -SHRA midday. In addition, sprinkles 9-10PM and 2-3AM.
3/30/2017 7:00 AM 0.00 0.0 M 0.0 M
3/31/2017 7:45 AM 0.15 0.0 M 0.0 M -RA overnight.
4/1/2017 7:45 AM 0.90 0.0 M 0.0 M -RA/RA ended 3PM, 0.78. -SHRA 8-10PM 0.11. -SHRA estimated 2-5AM. 0.01. Storm total 1.05.
4/2/2017 7:00 AM 0.00 0.0 M 0.0 M
4/3/2017 7:00 AM 0.00 0.0 M 0.0 M
4/4/2017 7:00 AM 0.12 0.0 M 0.0 M -SHRA last evening.
4/5/2017 7:00 AM T 0.0 M 0.0 M Sprinkles midmorning.
4/6/2017 7:00 AM T 0.0 M 0.0 M -SHRA 5-6AM.
4/7/2017 7:00 AM 1.57 0.0 M 0.0 M Rain and thunderstorms 8AM-8PM. -SHRA started around 6AM through obs time.
4/8/2017 7:00 AM T 0.0 M 0.0 M Sprinkles ended by 8AM. More sprinkles 1-4PM.
4/9/2017 7:00 AM 0.00 0.0 M 0.0 M
4/10/2017 7:00 AM 0.00 0.0 M 0.0 M
4/11/2017 7:00 AM 0.00 0.0 M 0.0 M
4/12/2017 7:00 AM 0.00 0.0 M 0.0 M
4/13/2017 7:00 AM T 0.0 M 0.0 M -SHRA late morning.
4/14/2017 7:00 AM 0.00 0.0 M 0.0 M
4/15/2017 7:00 AM 0.00 0.0 M 0.0 M
4/16/2017 7:00 AM 0.00 0.0 M 0.0 M
4/17/2017 7:00 AM T 0.0 M 0.0 M -SHRA 5-6PM and just before obs time.
4/18/2017 7:00 AM 0.09 0.0 M 0.0 M -RA during the day yesterday.
4/19/2017 7:00 AM T 0.0 M 0.0 M -SHRA at obs time.
4/20/2017 7:00 AM 0.01 0.0 M 0.0 M -SHRA ended midmorning.
4/21/2017 7:00 AM 0.06 0.0 M 0.0 M Weak -TSRA 8-9PM. -SHRA 6-6:45AM.
4/22/2017 6:00 AM 0.86 M M M M SHRA 2-3PM 0.13. +SHRA 10-1130PM 0.60. -RA since 3AM 0.13. -RA at obs time.
4/23/2017 7:00 AM 0.21 0.0 M 0.0 M -RA through early evening.
4/24/2017 7:00 AM 0.01 0.0 M 0.0 M Occasional -RA this morning.
4/25/2017 7:00 AM 0.27 0.0 M 0.0 M -RA since midday yesterday. -DZ at obs time.
4/26/2017 7:00 AM 0.15 0.0 M 0.0 M -RA/-DZ ended overnight.
4/27/2017 7:00 AM 0.00 0.0 M 0.0 M
4/28/2017 7:30 AM T 0.0 M 0.0 M Sprinkles predawn hours.
4/29/2017 7:45 AM 0.00 0.0 M 0.0 M Single bolt of lightning and clap of thunder around 3AM. No precip.
4/30/2017 7:00 AM 0.00 0.0 M 0.0 M
5/1/2017 7:00 AM 0.00 0.0 M 0.0 M
5/2/2017 7:00 AM 0.02 0.0 M 0.0 M -SHRA last evening.
5/3/2017 7:00 AM 0.00 0.0 M 0.0 M
5/4/2017 7:00 AM 0.00 0.0 M 0.0 M
5/5/2017 7:30 AM 0.86 0.0 M 0.0 M -RA occasional +RA overnight. -RA at obs time.
5/6/2017 7:30 AM 1.03 0.0 M 0.0 M -RA/occasional +RA ended by 10 AM, 0.64. -SHRA 8-10PM; +SHRA 10-11PM; -SHRA ended by midnight; additional precip for calendar day .39.
5/7/2017 7:00 AM 0.15 0.0 M 0.0 M -SHRA during the day.
5/8/2017 7:00 AM T 0.0 M 0.0 M Sprinkles last eve.
5/9/2017 7:00 AM 0.00 0.0 M 0.0 M
5/10/2017 7:00 AM 0.00 0.0 M 0.0 M
5/11/2017 7:00 AM 0.00 0.0 M 0.0 M
5/12/2017 7:00 AM 1.53 0.0 M 0.0 M Steady rain during the day yesterday.
5/13/2017 7:00 AM 0.93 0.0 M 0.0 M More steady rain overnight. -RADZ at obs time.
5/14/2017 7:00 AM T 0.0 M 0.0 M -RADZ ended around 8 AM. =SHRA this morning, just before obs time.
5/15/2017 7:00 AM 0.00 0.0 M 0.0 M
5/16/2017 7:00 AM 0.00 0.0 M 0.0 M
5/17/2017 7:00 AM 0.00 0.0 M 0.0 M
5/18/2017 7:00 AM 0.00 0.0 M 0.0 M
5/19/2017 7:00 AM 0.06 0.0 M 0.0 M Dissipating -TSRA last evening.
5/20/2017 7:00 AM 0.00 0.0 M 0.0 M
5/21/2017 7:00 AM 0.00 0.0 M 0.0 M
5/22/2017 7:00 AM 0.10 0.0 M 0.0 M -RA this morning. -RA at obs time.
5/23/2017 7:00 AM 0.16 0.0 M 0.0 M -RA ended midday.
5/24/2017 7:00 AM 0.12 0.0 M 0.0 M -RA overnight.
5/25/2017 7:00 AM 0.56 0.0 M 0.0 M Steady =RA overnight. -RA at obs time.
5/26/2017 7:00 AM 0.49 0.0 M 0.0 M -RA ended around 11:00AM, 0.08. -SHRA/-TSRA 5-9PM, 0.41.
5/27/2017 7:00 AM 0.00 0.0 M 0.0 M
5/28/2017 7:00 AM 0.03 0.0 M 0.0 M -RA yesterday afternoon.
5/29/2017 7:00 AM 0.11 0.0 M 0.0 M -SHRA noon-3PM, 0.10. -SHRA midnight-3AM, 0.01. -DZ began 6AM, T. -DZ at obs time.
5/30/2017 7:00 AM T 0.0 M 0.0 M -DZ ended midmorning.
5/31/2017 7:00 AM 0.50 0.0 M 0.0 M -RA 8-11AM 0.01. -SHRA/Non-severe TSRA 7PM-1AM 0.49.
6/1/2017 7:00 AM 0.05 0.0 M 0.0 M -SHRA/dissipating -TSRA last evening.
6/2/2017 7:00 AM 0.00 0.0 M 0.0 M
6/3/2017 7:00 AM 0.00 0.0 M 0.0 M
6/4/2017 7:00 AM 0.00 0.0 M 0.0 M
6/5/2017 7:00 AM 0.00 0.0 M 0.0 M
6/6/2017 7:00 AM 0.02 0.0 M 0.0 M -RA early afternoon.
6/7/2017 7:00 AM 0.00 0.0 M 0.0 M
6/8/2017 7:00 AM T 0.0 M 0.0 M Sprinkles midmorning.
6/9/2017 7:00 AM 0.00 0.0 M 0.0 M
6/10/2017 7:00 AM 0.00 0.0 M 0.0 M
6/11/2017 7:00 AM 0.00 0.0 M 0.0 M
6/12/2017 7:00 AM 0.00 0.0 M 0.0 M
6/13/2017 7:00 AM 0.00 0.0 M 0.0 M
6/14/2017 7:00 AM 0.00 0.0 M 0.0 M
6/15/2017 7:00 AM T 0.0 M 0.0 M -SHRA early afternoon.
6/16/2017 7:00 AM 0.00 0.0 M 0.0 M
6/17/2017 7:00 AM 0.16 0.0 M 0.0 M Brief +TSRA last eve otherwise -SHRA.
6/18/2017 7:00 AM 0.00 0.0 M 0.0 M
6/19/2017 7:00 AM 0.00 0.0 M 0.0 M
6/20/2017 7:00 AM 0.06 0.0 M 0.0 M Expected severe weather didn't occur here yesterday, but it went close by to the N. -TSRA with wind gusts estimated at 40 mph around 3:30PM otherwise -SHRA until 7 PM, 0.05". -SHRA estimated between 1-2AM, 0.01.
6/21/2017 7:00 AM 0.00 0.0 M 0.0 M
6/22/2017 7:00 AM 0.00 0.0 M 0.0 M
6/23/2017 7:45 AM 0.20 0.0 M 0.0 M SHRA just before obs time.
6/24/2017 8:00 AM 0.25 0.0 M 0.0 M -SHRA 3-5PM, 0.05. +SHRA 4-5AM, 0.20.
6/25/2017 7:00 AM 0.00 0.0 M 0.0 M As I mentioned on the 1052Z obs at DCA: ACC ALQDS. Best display of ACC for quite a while.
6/26/2017 7:00 AM 0.00 0.0 M 0.0 M
6/27/2017 7:00 AM 0.01 0.0 M 0.0 M -SHRA ended about 0655EDT.
6/28/2017 7:00 AM T 0.0 M 0.0 M Sprinkles midafternoon.
6/29/2017 7:00 AM 0.00 0.0 M 0.0 M
6/30/2017 7:00 AM 0.00 0.0 M 0.0 M
7/1/2017 7:00 AM 0.00 0.0 M 0.0 M
7/2/2017 7:00 AM 0.32 0.0 M 0.0 M Robust but non-severe +TSRA in the afternoon.
7/3/2017 6:00 AM 0.00 0.0 M 0.0 M
7/4/2017 7:00 AM 0.00 0.0 M 0.0 M
7/5/2017 7:00 AM T 0.0 M 0.0 M -SHRA at obs time.
7/6/2017 7:45 AM 1.07 0.0 M 0.0 M -SHRA ended around 9AM. -RA/occasional +RA began around 6PM and continued through obs time this morning.
7/7/2017 7:00 AM 0.28 0.0 M 0.0 M -RA ended around 2PM. -SHRA estimated 5-6AM today.
7/8/2017 8:00 AM 0.07 0.0 M 0.0 M Brief -SHRA around 11AM (0.03) and 8PM (0.04).
7/9/2017 7:00 AM 0.00 0.0 M 0.0 M
7/10/2017 7:00 AM 0.00 0.0 M 0.0 M
7/11/2017 7:00 AM 0.00 0.0 M 0.0 M
7/12/2017 7:00 AM T 0.0 M 0.0 M Sprinkles around 2PM.
7/13/2017 7:00 AM 0.00 0.0 M 0.0 M
7/14/2017 7:00 AM 0.00 0.0 M 0.0 M
7/15/2017 7:00 AM 0.37 0.0 M 0.0 M Robust but non-severe +TSRA last eve.
7/16/2017 7:00 AM 0.00 0.0 M 0.0 M
7/17/2017 7:00 AM 0.00 0.0 M M M
7/18/2017 7:00 AM 0.00 0.0 M M M
7/19/2017 7:00 AM 0.00 0.0 M M M
7/20/2017 7:00 AM 0.00 0.0 M M M
7/21/2017 7:00 AM 0.00 0.0 M M M
7/22/2017 7:00 AM 0.00 0.0 M 0.0 M
7/23/2017 7:00 AM 2.16 0.0 M 0.0 M Several rounds of +TSRA.
7/24/2017 7:00 AM 0.72 0.0 M 0.0 M +TSRA 1:30-2:30PM, 0.53. TSRA 6:30-7PM, 0.07. SHRA 11PM-11:40PM, 0.12.
7/25/2017 7:00 AM 0.03 0.0 M 0.0 M -SHRA late afternoon.
7/26/2017 6:00 AM 0.00 0.0 M 0.0 M
7/27/2017 7:00 AM 0.00 0.0 M 0.0 M
7/28/2017 7:00 AM 0.00 0.0 M 0.0 M
7/29/2017 7:00 AM 2.45 0.0 M 0.0 M Rain and thunderstorms from midday yesterday until about 3AM today.
7/30/2017 7:00 AM 0.01 0.0 M 0.0 M -SHRA midmorning.
7/31/2017 7:00 AM 0.00 0.0 M 0.0 M
8/1/2017 7:00 AM 0.00 0.0 M 0.0 M
8/2/2017 7:00 AM 0.00 0.0 M 0.0 M Single rumble of thunder 6PM.
8/3/2017 7:00 AM 0.00 0.0 M 0.0 M
8/4/2017 7:00 AM T 0.0 M 0.0 M Weak -TSRA early evening to the distant N.
8/5/2017 7:00 AM 0.00 0.0 M 0.0 M
8/6/2017 7:00 AM 0.00 0.0 M 0.0 M
8/7/2017 7:00 AM 0.12 0.0 M 0.0 M -SHRA.
8/8/2017 7:00 AM 1.50 0.0 M 0.0 M Rain and thunderstorms 8AM-4PM, 1.40. -RA 1-5AM today, 0.10. Storm total 1.62.
8/9/2017 7:00 AM 0.00 0.0 M 0.0 M
8/10/2017 7:00 AM 0.00 0.0 M 0.0 M
8/11/2017 7:00 AM 0.00 0.0 M 0.0 M
8/12/2017 7:00 AM 1.23 0.0 M 0.0 M Non-severe +TSRA 7-11PM, 1.21. -SHRA, estimated 3-5AM 0.02.
8/13/2017 7:00 AM 0.53 0.0 M 0.0 M -SHRA 9-11AM, 0.01. Non-severe +TSRA 8-10PM 0.52.
8/14/2017 7:00 AM 0.00 0.0 M 0.0 M
8/15/2017 7:00 AM 0.01 0.0 M 0.0 M -SHRA in the predawn.
8/16/2017 7:00 AM 0.12 0.0 M 0.0 M -SHRA.
8/17/2017 7:00 AM 0.00 0.0 M 0.0 M
8/18/2017 7:00 AM T 0.0 M 0.0 M Brief -SHRA around 4PM.
8/19/2017 7:00 AM 0.03 0.0 M 0.0 M Brushed by TSRA mainly to the N last evening.
8/20/2017 7:00 AM 0.06 0.0 M 0.0 M Surprise -TSRA late last eve.
8/21/2017 7:00 AM 0.00 0.0 M 0.0 M
8/22/2017 7:00 AM 0.00 0.0 M 0.0 M Temp fell 4F during 80% eclipse (88-84F).
8/23/2017 6:00 AM 0.00 0.0 M 0.0 M
8/24/2017 7:00 AM 0.00 0.0 M 0.0 M
8/25/2017 7:00 AM 0.06 0.0 M 0.0 M -SHRA after midnight. Delayed report.
8/26/2017 7:00 AM 0.00 0.0 M 0.0 M
8/27/2017 7:00 AM 0.00 0.0 M 0.0 M
8/28/2017 7:00 AM 0.00 0.0 M 0.0 M
8/29/2017 7:00 AM 0.28 0.0 M 0.0 M -RA this morning.
8/30/2017 7:00 AM 0.74 0.0 M 0.0 M Steady -RA into the evening.
8/31/2017 7:00 AM 0.00 0.0 M 0.0 M
9/1/2017 7:00 AM 0.00 0.0 M 0.0 M
9/2/2017 7:45 AM 0.68 0.0 M 0.0 M -RA occasionally +RA. -RA at obs time.
9/3/2017 7:00 AM 0.26 0.0 M 0.0 M -RA during day ending by 8PM, 0.24. -DZ midnight-3AM, 0.02.
9/4/2017 7:00 AM 0.00 0.0 M 0.0 M
9/5/2017 7:00 AM 0.00 0.0 M 0.0 M
9/6/2017 7:00 AM 0.17 0.0 M 0.0 M -TSRA 7-9PM, 0.05. Brief +SHRA between 2 and 4 AM, 0.12.
9/7/2017 7:45 AM 0.52 0.0 M 0.0 M -RA late morning to late evening.
9/8/2017 7:00 AM 0.00 0.0 M 0.0 M
9/9/2017 7:00 AM 0.00 0.0 M 0.0 M
9/10/2017 7:00 AM 0.00 0.0 M 0.0 M
9/11/2017 7:00 AM 0.00 0.0 M 0.0 M
9/12/2017 7:00 AM T 0.0 M 0.0 M -SHRA just started.
9/13/2017 7:00 AM 0.03 0.0 M 0.0 M -RA this morning.
9/14/2017 7:45 AM 0.04 0.0 M 0.0 M -SHRA ended 9 AM, 0.02. -SHRA 4-6AM, 0.02.
9/15/2017 7:00 AM 0.00 0.0 M 0.0 M
9/16/2017 7:00 AM 0.00 0.0 M 0.0 M
9/17/2017 7:00 AM 0.00 0.0 M 0.0 M
9/18/2017 7:00 AM 0.00 0.0 M 0.0 M
9/19/2017 7:00 AM 0.00 0.0 M 0.0 M
9/20/2017 7:00 AM 0.00 0.0 M 0.0 M
9/21/2017 7:00 AM 0.00 0.0 M 0.0 M
9/22/2017 7:00 AM 0.00 0.0 M 0.0 M
9/23/2017 7:00 AM 0.00 0.0 M 0.0 M
9/24/2017 7:00 AM 0.00 0.0 M 0.0 M
9/25/2017 7:00 AM 0.00 0.0 M 0.0 M
9/26/2017 7:00 AM 0.00 0.0 M 0.0 M
9/27/2017 7:00 AM 0.00 0.0 M 0.0 M
9/28/2017 7:00 AM 0.00 0.0 M 0.0 M
9/29/2017 7:00 AM 0.00 0.0 M 0.0 M
9/30/2017 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