Station Overview Station Location
Station Number MD-PG-47 Latitude 38.996389
Station Name Greenbelt 2.2 E Longitude -76.84444
County Prince George's Elevation (ft) 214



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 13 3.55 3.92 31 0.17 20 3.75 11 1 3 0 0.0 0 0
Nov 13 3.50 2.47 23 2.47 23 0.00 0 0 4 0 0.0 0 0
Dec 13 3.30 1.00 17 0.28 14 0.72 3 1 2 0 0.0 0 0
Jan 14 3.02 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Feb 14 2.80 3.68 29 1.44 16 2.24 13 6 4 0 0.5 1 0
March 14 3.76 1.81 27 0.41 12 1.40 15 3 2 0 0.0 0 0
April 14 3.39 0.04 15 0.04 15 0.00 0 0 1 0 0.0 0 0
May 14 4.35 5.31 19 5.10 11 0.21 8 2 8 0 0.0 0 0
June 14 3.79 1.13 22 1.13 10 0.00 12 0 1 0 0.0 0 0
July 14 4.13 3.47 31 1.33 15 2.14 16 4 5 0 0.0 0 0
Aug 14 3.41 4.47 32 2.13 25 2.34 7 3 5 0 0.0 0 0
Sept 14 3.90 2.30 29 2.22 20 0.08 9 1 5 1 0.0 0 0
Water Year Totals: 42.90" 29.60" 275 days 16.72" 181 12.88" 94 days 21 40 days 1 days 0.5" 1 days 0 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
10/1/2013 0.00
10/2/2013 0.00
10/3/2013 0.00
10/4/2013 0.00
10/5/2013 0.00
10/6/2013 0.00
10/7/2013 **
10/8/2013 **
10/9/2013 **
10/10/2013 **
10/11/2013 **
10/12/2013 **
10/13/2013 **
10/14/2013 **
10/15/2013 **
10/16/2013 **
10/17/2013 3.75
10/18/2013 0.05
10/19/2013 0.00
10/20/2013 0.00
10/21/2013 0.00
10/22/2013 0.00
10/23/2013 0.04
10/24/2013 0.00
10/25/2013 0.00
10/26/2013 0.00
10/27/2013 0.00
10/28/2013 0.00
10/29/2013 0.00
10/30/2013 0.08
10/31/2013 0.00
11/1/2013 0.23
11/2/2013 0.00
11/3/2013 0.00
11/4/2013 0.00
11/5/2013 0.00
11/6/2013 0.00
11/7/2013 0.02
11/8/2013 0.00
11/9/2013 0.00
11/10/2013 0.00
11/11/2013 0.00
11/12/2013 0.00
11/13/2013 0.00
11/14/2013 0.00
11/15/2013
11/16/2013
11/17/2013
11/18/2013
11/19/2013 0.00
11/20/2013 0.00
11/21/2013 0.00
11/22/2013 0.00
11/23/2013 0.00
11/24/2013 0.00
11/25/2013 0.00
11/26/2013 0.15
11/27/2013 2.07
11/28/2013
11/29/2013
11/30/2013
12/1/2013 0.00
12/2/2013 0.00
12/3/2013 0.00
12/4/2013 0.00
12/5/2013
12/6/2013
12/7/2013
12/8/2013
12/9/2013
12/10/2013
12/11/2013 0.00
12/12/2013 0.00
12/13/2013 0.00
12/14/2013 0.04
12/15/2013
12/16/2013 0.00
12/17/2013 0.00
12/18/2013 0.00
12/19/2013 0.00
12/20/2013 0.00
12/21/2013 **
12/22/2013 **
12/23/2013 0.72
12/24/2013 0.24
12/25/2013
12/26/2013
12/27/2013
12/28/2013
12/29/2013
12/30/2013
12/31/2013
Day of YearDaily PrcpMultiday Prcp
1/1/2014
1/2/2014
1/3/2014
1/4/2014
1/5/2014
1/6/2014
1/7/2014
1/8/2014
1/9/2014
1/10/2014
1/11/2014
1/12/2014
1/13/2014
1/14/2014
1/15/2014
1/16/2014
1/17/2014
1/18/2014
1/19/2014
1/20/2014
1/21/2014
1/22/2014
1/23/2014
1/24/2014
1/25/2014
1/26/2014
1/27/2014
1/28/2014
1/29/2014
1/30/2014
1/31/2014
2/1/2014 0.00
2/2/2014 0.00
2/3/2014 1.21
2/4/2014 **
2/5/2014 0.39
2/6/2014 0.00
2/7/2014 0.00
2/8/2014 0.00
2/9/2014 **
2/10/2014 0.02
2/11/2014 0.00
2/12/2014 0.00
2/13/2014 **
2/14/2014 1.55
2/15/2014 **
2/16/2014 0.03
2/17/2014 **
2/18/2014 0.07 0.07
2/19/2014 0.10
2/20/2014 0.00
2/21/2014 0.06
2/22/2014 0.00
2/23/2014 0.00
2/24/2014 **
2/25/2014 **
2/26/2014 0.18
2/27/2014 0.00
2/28/2014 0.00
3/1/2014 0.00
3/2/2014 **
3/3/2014 **
3/4/2014 0.89
3/5/2014 0.00
3/6/2014 0.00
3/7/2014 0.00
3/8/2014 0.00
3/9/2014 0.00
3/10/2014 **
3/11/2014 **
3/12/2014 **
3/13/2014 **
3/14/2014 **
3/15/2014 **
3/16/2014 **
3/17/2014 **
3/18/2014 **
3/19/2014 0.50
3/20/2014 **
3/21/2014 0.01
3/22/2014 0.00
3/23/2014 0.00
3/24/2014 0.00
3/25/2014
3/26/2014
3/27/2014 0.00
3/28/2014 0.01
3/29/2014 0.40
3/30/2014
3/31/2014
Day of YearDaily PrcpMultiday Prcp
4/1/2014 0.00
4/2/2014 0.00
4/3/2014 0.00
4/4/2014 0.00
4/5/2014
4/6/2014
4/7/2014
4/8/2014
4/9/2014 0.00
4/10/2014 0.00
4/11/2014 0.00
4/12/2014
4/13/2014 0.00
4/14/2014 0.00
4/15/2014
4/16/2014
4/17/2014 0.00
4/18/2014 0.00
4/19/2014
4/20/2014
4/21/2014
4/22/2014 0.04
4/23/2014 0.00
4/24/2014 0.00
4/25/2014 0.00
4/26/2014
4/27/2014
4/28/2014
4/29/2014
4/30/2014
5/1/2014
5/2/2014 0.66
5/3/2014 **
5/4/2014 **
5/5/2014 **
5/6/2014 **
5/7/2014 0.18
5/8/2014 0.00
5/9/2014 0.00
5/10/2014 **
5/11/2014 **
5/12/2014 0.03
5/13/2014 0.03
5/14/2014
5/15/2014
5/16/2014 2.05
5/17/2014
5/18/2014
5/19/2014
5/20/2014
5/21/2014 0.03
5/22/2014 0.64
5/23/2014
5/24/2014
5/25/2014
5/26/2014
5/27/2014 0.00
5/28/2014 1.23
5/29/2014 0.40
5/30/2014 0.06
5/31/2014
6/1/2014 0.00
6/2/2014 0.00
6/3/2014 1.13
6/4/2014
6/5/2014
6/6/2014 0.00
6/7/2014 0.00
6/8/2014
6/9/2014
6/10/2014
6/11/2014
6/12/2014
6/13/2014
6/14/2014 0.00
6/15/2014 0.00
6/16/2014 0.00
6/17/2014 0.00
6/18/2014 0.00
6/19/2014 **
6/20/2014 **
6/21/2014 **
6/22/2014 **
6/23/2014 **
6/24/2014 **
6/25/2014 **
6/26/2014 **
6/27/2014 **
6/28/2014 **
6/29/2014 **
6/30/2014 **
Day of YearDaily PrcpMultiday Prcp
7/1/2014 1.02
7/2/2014 **
7/3/2014 **
7/4/2014 **
7/5/2014 **
7/6/2014 **
7/7/2014 **
7/8/2014 **
7/9/2014 **
7/10/2014 0.96
7/11/2014 0.04
7/12/2014 **
7/13/2014 **
7/14/2014 0.15
7/15/2014 0.65
7/16/2014 0.53
7/17/2014 0.00
7/18/2014 0.00
7/19/2014 0.00
7/20/2014 0.00
7/21/2014 0.00
7/22/2014 0.00
7/23/2014 **
7/24/2014 **
7/25/2014 0.01
7/26/2014 0.00
7/27/2014 0.04
7/28/2014 0.07
7/29/2014 0.00
7/30/2014 0.00
7/31/2014 0.00
8/1/2014 0.00
8/2/2014 **
8/3/2014 **
8/4/2014 0.60
8/5/2014 **
8/6/2014 0.04
8/7/2014 0.00
8/8/2014 0.00
8/9/2014 0.00
8/10/2014 0.00
8/11/2014 **
8/12/2014 1.70 1.70
8/13/2014 0.02
8/14/2014 0.00
8/15/2014 0.00
8/16/2014 0.00
8/17/2014 0.00
8/18/2014 0.00
8/19/2014 0.00
8/20/2014 0.00
8/21/2014 0.10
8/22/2014 0.05
8/23/2014 0.00
8/24/2014 0.26
8/25/2014 0.00
8/26/2014 0.00
8/27/2014 0.00
8/28/2014 0.00
8/29/2014 0.00
8/30/2014 0.00
8/31/2014 0.00
9/1/2014 0.42
9/2/2014 T
9/3/2014 0.34
9/4/2014 0.00
9/5/2014 0.00
9/6/2014 0.00
9/7/2014 0.85
9/8/2014 0.00
9/9/2014 0.01
9/10/2014 0.00
9/11/2014 0.00
9/12/2014 0.00
9/13/2014 0.00
9/14/2014 **
9/15/2014 **
9/16/2014 **
9/17/2014 **
9/18/2014 **
9/19/2014 **
9/20/2014 **
9/21/2014 **
9/22/2014 0.08
9/23/2014 0.00
9/24/2014 0.00
9/25/2014 0.60
9/26/2014
9/27/2014 0.00
9/28/2014 0.00
9/29/2014 0.00
9/30/2014 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2013 7:00 AM 0.00 0.0 M M M
10/2/2013 7:00 AM 0.00 0.0 M M M
10/3/2013 7:00 AM 0.00 0.0 M M M
10/4/2013 7:00 AM 0.00 0.0 M M M
10/5/2013 7:00 AM 0.00 0.0 M M M
10/6/2013 7:00 AM 0.00 0.0 M M M
10/18/2013 10:58 AM 0.05 M M M M 0.05" recorded at 10:58 AM, though Radar shows that it fell last night (10/17/13) between about 10:15 and 10:40 PM.
10/19/2013 7:00 AM 0.00 0.0 M M M
10/20/2013 7:00 AM 0.00 0.0 M M M
10/21/2013 7:00 AM 0.00 0.0 M M M
10/22/2013 7:00 AM 0.00 0.0 M M M
10/23/2013 9:46 AM 0.04 M M M M 0.04" recorded at 9:46 AM. No further rain throughout the day.
10/24/2013 7:00 AM 0.00 0.0 M M M
10/25/2013 7:00 AM 0.00 0.0 M M M
10/26/2013 7:00 AM 0.00 0.0 M M M
10/27/2013 7:00 AM 0.00 0.0 M M M
10/28/2013 7:00 AM 0.00 0.0 M M M
10/29/2013 7:00 AM 0.00 0.0 M M M
10/30/2013 1:50 PM 0.08 M M M M 0.08" from overnight and morning rain, recorded at 1:50 PM.
10/31/2013 7:00 AM 0.00 0.0 M M M
11/1/2013 1:29 PM 0.23 M M M M 0.23" at 1:29 PM, from overnight and morning rain.
11/2/2013 7:00 AM 0.00 0.0 M M M
11/3/2013 7:00 AM 0.00 0.0 M M M
11/4/2013 7:00 AM 0.00 0.0 M M M
11/5/2013 7:00 AM 0.00 0.0 M M M
11/6/2013 7:00 AM 0.00 0.0 M M M
11/7/2013 12:43 PM 0.02 M M M M Sprinkling at 12:39 PM. 0.02" at 12:43.
11/8/2013 7:00 AM 0.00 0.0 M M M
11/9/2013 7:00 AM 0.00 0.0 M M M
11/10/2013 7:00 AM 0.00 0.0 M M M
11/11/2013 7:00 AM 0.00 0.0 M M M
11/12/2013 7:00 AM 0.00 0.0 M M M
11/13/2013 7:00 AM 0.00 0.0 M M M
11/14/2013 7:00 AM 0.00 0.0 M M M
11/19/2013 7:00 AM 0.00 0.0 M M M
11/20/2013 7:00 AM 0.00 0.0 M M M
11/21/2013 7:00 AM 0.00 0.0 M M M
11/22/2013 7:00 AM 0.00 0.0 M M M
11/23/2013 7:00 AM 0.00 0.0 M M M
11/24/2013 7:00 AM 0.00 0.0 M M M
11/25/2013 7:00 AM 0.00 0.0 M M M
11/26/2013 11:48 AM 0.15 M M M M Light rain, 0.15" at 11:48 AM
11/27/2013 6:53 PM 2.07 M M M M +2.07" at 6:53 PM, as continuation from yesterday.
12/1/2013 7:00 AM 0.00 0.0 M M M
12/2/2013 7:00 AM 0.00 0.0 M M M
12/3/2013 7:00 AM 0.00 0.0 M M M
12/4/2013 7:00 AM 0.00 0.0 M M M
12/11/2013 7:00 AM 0.00 0.0 M M M
12/12/2013 7:00 AM 0.00 0.0 M M M
12/13/2013 7:00 AM 0.00 0.0 M M M
12/14/2013 4:24 PM 0.04 M M M M No precipitation at 1:54 PM. Road and sidewalk slightly puddled by 3:15. Slight sleet+light rain = 0.04" H2O at 4:24.
12/16/2013 7:00 AM 0.00 0.0 M M M
12/17/2013 7:00 AM 0.00 0.0 M M M
12/18/2013 7:00 AM 0.00 0.0 M M M
12/19/2013 7:00 AM 0.00 0.0 M M M
12/20/2013 7:00 AM 0.00 0.0 M M M
12/24/2013 5:00 AM 0.24 M M M M 0.24", puddles beginniing to ice a bit at 5:00 PM
2/1/2014 7:00 AM 0.00 0.0 M M M
2/2/2014 7:00 AM 0.00 0.0 M M M
2/3/2014 4:46 PM 1.21 M M M M 1.20" at 1:50 PM +0.01" at 4:46.
2/6/2014 7:00 AM 0.00 0.0 M M M
2/7/2014 7:00 AM 0.00 0.0 M M M
2/8/2014 7:00 AM 0.00 0.0 M M M
2/11/2014 7:00 AM 0.00 0.0 M M M
2/12/2014 7:00 AM 0.00 0.0 M M M
2/18/2014 10:58 AM 0.07 0.5 0.07 M M Clear most of the day; no precipitation, at least to 5:46 PM
2/19/2014 3:15 PM 0.10 M M M M Light rain at 9:55 AM. 0.07" at 10:05 +0.03" at 3:15 PM (APE). There had been no further rain when I left at 4:28.
2/20/2014 7:00 AM 0.00 0.0 M M M
2/21/2014 6:11 PM 0.06 M M M M No precipitation by 11:16 AM, but sprinkling at 12:40 PM. However, only a trace by 1:04. Light rain by 1:51, stopped by 2:55; sprinkling at 3:51. Sunshine by 4:57 (APE). 0.06" measured at 6:11.
2/22/2014 7:00 AM 0.00 0.0 M M M
2/23/2014 7:00 AM 0.00 0.0 M M M
2/27/2014 7:00 AM 0.00 0.0 M M M
2/28/2014 7:00 AM 0.00 0.0 M M M
3/1/2014 7:00 AM 0.00 0.0 M M M
3/5/2014 7:00 AM 0.00 0.0 M M M
3/6/2014 7:00 AM 0.00 0.0 M M M
3/7/2014 7:00 AM 0.00 0.0 M M M
3/8/2014 7:00 AM 0.00 0.0 M M M
3/9/2014 7:00 AM 0.00 0.0 M M M
3/22/2014 7:00 AM 0.00 0.0 M M M
3/23/2014 7:00 AM 0.00 0.0 M M M
3/24/2014 7:00 AM 0.00 0.0 M M M
3/27/2014 7:00 AM 0.00 0.0 M M M
3/28/2014 5:25 PM 0.01 M M M M 0.01: at 11:19. No further rain before 5:25 PM.
3/29/2014 4:58 PM 0.40 M M M M Very light fog, spitting, at 11:18. Same spitting, denser fog, 0.16" at 11:28 AM. Very light fog, sprinkles at 12:06; same fog, but rain stopped by 1:03. +0.24" at 4:58.
4/1/2014 7:00 AM 0.00 0.0 M M M
4/2/2014 7:00 AM 0.00 0.0 M M M
4/3/2014 7:00 AM 0.00 0.0 M M M
4/4/2014 7:00 AM 0.00 0.0 M M M
4/9/2014 7:00 AM 0.00 0.0 M M M
4/10/2014 7:00 AM 0.00 0.0 M M M
4/11/2014 7:00 AM 0.00 0.0 M M M
4/13/2014 7:00 AM 0.00 0.0 M M M
4/14/2014 7:00 AM 0.00 0.0 M M M
4/17/2014 7:00 AM 0.00 0.0 M M M
4/18/2014 7:00 AM 0.00 0.0 M M M
4/22/2014 6:20 PM 0.04 M M M M Brief sprinkles began at 1:47 PM. Rain passed, leaving 0.04" by 5:12. No subsequent rain by 6:20.
4/23/2014 7:00 AM 0.00 0.0 M M M
4/24/2014 7:00 AM 0.00 0.0 M M M
4/25/2014 7:00 AM 0.00 0.0 M M M
5/2/2014 1:34 PM 0.66 M M M M 0.66" at 1:34 PM.
5/8/2014 7:00 AM 0.00 0.0 M M M
5/9/2014 7:00 AM 0.00 0.0 M M M
5/13/2014 2:01 PM 0.03 M M M M 0.03" from last evening's shower, recorded at 12:01 PM. Nothing more before I left at 4:55.
5/16/2014 4:00 PM 2.05 M M M M 205" recorded at 3:13 PM. No further precipitation before 4:00.
5/21/2014 4:19 PM 0.03 M M M M 0.03" in pre-dawn rain, recorded at 4:19 PM.
5/22/2014 11:06 AM 0.64 M M M M 0.64" (probably from ca. 5:50-6:30 AM thunderstorm), recorded at 11:06 AM.
5/27/2014 5:12 PM 0.00 0.0 M M M No rain until after 5:12 PM.
5/28/2014 10:42 AM 1.23 M M M M 1.23" from last evening's thunderstorms, recorded at 10:42 AM. No rain up to time I left at 3:32 PM.
5/29/2014 5:44 PM 0.40 M M M M Fine mist at 9:07 AM. 0.05", fine drizzle at 9:14. Very light fog and mist at 10:51. Streets and walks partly dry by 12:10. Light fine rain at 1:14 PM. Steady light rain at 4:07. Very light fine rain, +0.35" at 5:44.
5/30/2014 8:02 AM 0.06 M M M M +0.06" at 8:02 AM from end of yesterday's rain.
6/1/2014 7:00 AM 0.00 0.0 M M M
6/2/2014 7:00 AM 0.00 0.0 M M M
6/3/2014 11:59 PM 1.13 M M M M At intersection of MD 450 and MD 193, torrential rain begins ca. 2:00 PM, abates considerably near Cipriano Rd. on MD 193 ca. 2:25. Only sprinkles at GSFC by 2:46. 1.13" after precipitation ends.
6/6/2014 7:00 AM 0.00 0.0 M M M
6/7/2014 7:00 AM 0.00 0.0 M M M
6/14/2014 7:00 AM 0.00 0.0 M M M
6/15/2014 7:00 AM 0.00 0.0 M M M
6/16/2014 7:00 AM 0.00 0.0 M M M
6/17/2014 7:00 AM 0.00 0.0 M M M
6/18/2014 7:00 AM 0.00 0.0 M M M
7/11/2014 2:58 PM 0.04 M M M M 0.04" from last evening's rain, recorded at 2:58 PM
7/15/2014 5:31 PM 0.65 M M M M 0.48" from last afternoon-evening rain, recorded at 9:42 AM. Afternoon rain begins after 2:26 PM. +0.17" at 5:13. No further rain by 5:31
7/16/2014 5:42 PM 0.53 M M M M 0.53" from last evening's rain recorded at 1:57 PM. No further precipitation by 5:42.
7/17/2014 7:00 AM 0.00 0.0 M M M
7/18/2014 7:00 AM 0.00 0.0 M M M
7/19/2014 7:00 AM 0.00 0.0 M M M
7/20/2014 7:00 AM 0.00 0.0 M M M
7/21/2014 7:00 AM 0.00 0.0 M M M
7/22/2014 7:00 AM 0.00 0.0 M M M
7/26/2014 7:00 AM 0.00 0.0 M M M
7/27/2014 6:37 PM 0.04 M M M M 0.04" precipitation from early morning rain, recorded at 12:32 PM. No further precipitation by 6:37 PM.
7/28/2014 6:34 PM 0.07 M M M M 0.07" from last night's rain, recorded at 9:43 AM. No additional precipitation by 6:34 PM.
7/29/2014 7:00 AM 0.00 0.0 M M M
7/30/2014 7:00 AM 0.00 0.0 M M M
7/31/2014 7:00 AM 0.00 0.0 M M M
8/1/2014 7:00 AM 0.00 0.0 M M M
8/7/2014 7:00 AM 0.00 0.0 M M M
8/8/2014 7:00 AM 0.00 0.0 M M M
8/9/2014 7:00 AM 0.00 0.0 M M M
8/10/2014 7:00 AM 0.00 0.0 M M M
8/12/2014 3:43 PM 1.70 M M M M 0.34" precipitation from overnight/morning rain, recorded at 11:07 AM. Rain comes and goes thereafter. +1.36" with very light rain, at 3:43 PM. Multi-day entered
8/13/2014 11:58 AM 0.02 M M M M 0.02" from late yesterday and overnight, recorded at 11:58 AM. No subsequent precipitation up to 2:37 PM.
8/14/2014 7:00 AM 0.00 0.0 M M M
8/15/2014 7:00 AM 0.00 0.0 M M M
8/16/2014 7:00 AM 0.00 0.0 M M M
8/17/2014 7:00 AM 0.00 0.0 M M M
8/18/2014 7:00 AM 0.00 0.0 M M M
8/19/2014 7:00 AM 0.00 0.0 M M M
8/20/2014 7:00 AM 0.00 0.0 M M M
8/21/2014 7:00 AM 0.10 M M M M First sprinkles yesterday (8/20/14) about 5:10 PM. Wet and puddles by 5:35. Partial clearing low to west, and one long soft roll of thunder at 6:31. Rain stopped by 7:02. Still fairly cloudy, but near-surface air crystal clear - distant city lights brilliant, dancing frenetically when I emptied my gauge (0.10") at 8:38.
8/22/2014 7:00 AM 0.05 M M M M 0.05" in gauge at 10:08 AM yesterday (8/21/14). No further rain thereafter.
8/23/2014 7:00 AM 0.00 0.0 M M M
8/24/2014 7:00 AM 0.26 M M M M Estimate that rain began ca. 9:20 AM 8/23/14; raining fairly hard by 9:30. 0.03" at 10:17 +0.16" at 4:26 PM, +0.07" APE.
8/25/2014 7:00 AM 0.00 0.0 M M M
8/26/2014 7:00 AM 0.00 0.0 M M M
8/27/2014 7:00 AM 0.00 0.0 M M M
8/28/2014 7:00 AM 0.00 0.0 M M M
8/29/2014 7:00 AM 0.00 0.0 M M M
8/30/2014 7:00 AM 0.00 0.0 M M M
8/31/2014 7:00 AM 0.00 0.0 M M M
9/1/2014 7:00 AM 0.42 M M M M Rain began some time around 6:30 PM 8/31/14. 0.23" by 8:39 from initial storm +0.19" overnight thereafter.
9/2/2014 7:00 AM T M M M M Brief sprinkles at 4:27 PM, with extensive virga a few (2-5?) miles to north, as storm passes by on 9/1/14.
9/3/2014 7:00 AM 0.34 M M M M Rain begins at 7:38 PM 9/2/14; stopped by 7:57. 0.09" at 8:03 +0.19" at 9:30 +0.06" A.P.E.
9/4/2014 7:00 AM 0.00 0.0 M M M
9/5/2014 7:00 AM 0.00 0.0 M M M
9/6/2014 7:00 AM 0.00 0.0 M M M
9/7/2014 7:00 AM 0.85 M M M M 0.85" from last evening's storms. Though I emptied the gauge at 10:01 AM today, I am confident that no rain occurred after 7:00 AM, based on radar and other nearby stations
9/8/2014 7:00 AM 0.00 0.0 M M M
9/9/2014 7:00 AM 0.01 M M M M 0.01" from light shower ca. 1:45 to 2:14 PM yesterday.
9/10/2014 7:00 AM 0.00 0.0 M M M
9/11/2014 7:00 AM 0.00 0.0 M M M
9/12/2014 7:00 AM 0.00 0.0 M M M
9/13/2014 7:00 AM 0.00 0.0 M M M
9/23/2014 7:00 AM 0.00 0.0 M M M
9/24/2014 7:00 AM 0.00 0.0 M M M
9/25/2014 3:01 PM 0.60 M M M M Sprinkles began at 5:37 PM on 9/24/14. 0.50" at 9:56 AM 9/25/14 +0.10" at 3:01 PM (APE).
9/27/2014 7:00 AM 0.00 0.0 M M M
9/28/2014 7:00 AM 0.00 0.0 M M M
9/29/2014 7:00 AM 0.00 0.0 M M M
9/30/2014 7:00 AM 0.00 0.0 M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
10/7/2013 10/17/2013 10:45 AM 11 3.75 M M
12/21/2013 12/23/2013 9:12 AM 3 0.72 M M
2/4/2014 2/05/2014 10:42 AM 2 0.39 M M
2/9/2014 2/10/2014 9:17 AM 2 0.02 0.5 M Snow has drifted since it fell yesterday, so pre-drifting snow depth is an estimate. No precipitation has occurred since snow catch was emptied this morning and measured as meltwater (It is now 7:40 PM).
2/13/2014 2/14/2014 4:00 PM 2 1.55 7.1 1.55 Collected data at 4:00 PM the day after heavy precipitation ended. Measured total remaining snow depth (7.1"); took core (1.55" melt); temperature at time of coring was 47 degrees, so surely some water was lost through thawing.
2/15/2014 2/16/2014 7:30 PM 2 0.03 M M Snow depth 8 inches (no core taken); 0.03" at 7:30 PM.
2/17/2014 2/18/2014 9:35 PM 2 0.07 M M 0.5" new snow overnight, yielding 0.07" melt at 10:58 AM. No further precipitation the rest of the day.
2/24/2014 2/26/2014 1:25 PM 3 0.18 M M 1.4" snow during period; 0.18" H2O at 1:25 PM.
3/2/2014 3/04/2014 12:25 PM 3 0.89 M M 0.88" H2O from collected rain+sleet+snow; snow depth throughout not measured, no cores taken.
3/10/2014 3/19/2014 12:42 PM 10 0.50 M M Out of town. No measurements of snow. 0.50" water in catch vessel at 12:42 (unknown error due to possibly imperfect snow catch, and to evaporative loss).
3/20/2014 3/21/2014 5:00 PM 2 0.01 M M
5/3/2014 5/07/2014 3:05 PM 5 0.18 M M 0.02" from weekend (5/3 - 5/5) rain at 12:03 PM. First sprinkles of today begin thereafter. +0.16" at 3:05.
5/10/2014 5/12/2014 12:51 PM 3 0.03 M M 0.03" from weekend (5/10 - 5/11) shower.
6/19/2014 7/01/2014 4:37 PM 13 1.02 M M I was out of town; rain gauge was not monitored after 12:50 PM on 6/18/14.
7/2/2014 7/10/2014 9:58 AM 9 0.96 M M
7/12/2014 7/14/2014 11:54 AM 3 0.15 M M Gauge emptied at 11:54 Am; no further rain by 4:41 PM.
7/23/2014 7/25/2014 10:03 AM 3 0.01 M M 0.01" rain fell evening of 7/23-morinig of 7/24 (judged from rain at nearby stations). Gauge read and emptied at 10:03 AM on 7/25; no additional rain thereafter.
8/2/2014 8/04/2014 3:23 PM 3 0.60 M M None.
8/5/2014 8/06/2014 1:35 PM 2 0.04 M M
8/11/2014 8/12/2014 3:43 PM 2 1.70 M M
9/14/2014 9/22/2014 11:07 AM 9 0.08 M M Out of town. From local airport (BWI, DCA, IAD) records. nearly all of the recorded 0.08" rain must have occurred after midday on 9/13/14.



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