Station Overview Station Location
Station Number MD-PG-12 Latitude 38.981064
Station Name Bowie 2.8 WNW Longitude -76.78107
County Prince George's Elevation (ft) 194



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 14 3.53 3.45 30 3.45 30 0.00 0 0 10 2 0.0 0 0
Nov 14 3.47 2.90 30 2.89 26 0.01 4 1 7 2 0.5 1 1
Dec 14 3.28 2.89 31 2.89 23 0.00 8 0 9 1 0.0 0 0
Jan 15 3.04 5.06 33 4.09 29 0.97 4 2 10 4 4.4 2 2
Feb 15 2.78 1.83 29 1.83 27 0.00 2 1 8 1 6.6 4 7
March 15 3.75 4.72 33 4.72 31 0.00 2 1 13 2 5.7 2 1
April 15 3.40 4.00 33 3.63 28 0.37 5 2 12 1 0.0 0 0
May 15 4.34 2.32 31 2.32 31 0.00 0 0 7 1 0.0 0 0
June 15 3.76 5.58 21 5.58 21 0.00 0 0 11 3 0.0 0 0
July 15 4.16 4.32 32 3.59 23 0.73 9 2 11 2 0.0 0 0
Aug 15 3.46 0.66 23 0.66 23 0.00 0 0 8 0 0.0 0 0
Sept 15 3.83 6.83 42 3.02 30 3.81 12 3 4 4 0.0 0 0
Water Year Totals: 42.80" 44.56" 368 days 38.67" 322 5.89" 46 days 12 110 days 23 days 17.2" 9 days 11 days



Days in Water Year Cell Color Key
        Daily Observation with Prcp         Missing Day
        Multiday Observation         Daily/Multiday Observation Conflict

Day of Year Daily Prcp Multiday Prcp
10/1/2014 0.02
10/2/2014 0.00
10/3/2014 0.00
10/4/2014 0.30
10/5/2014 0.00
10/6/2014 0.00
10/7/2014 T
10/8/2014 0.22
10/9/2014 0.00
10/10/2014 0.00
10/11/2014 0.37
10/12/2014 0.30
10/13/2014 0.00
10/14/2014 0.08
10/15/2014 0.00
10/16/2014 0.90
10/17/2014 0.00
10/18/2014 0.00
10/19/2014 0.00
10/20/2014
10/21/2014 T
10/22/2014 0.80
10/23/2014 0.44
10/24/2014 0.00
10/25/2014 0.00
10/26/2014 0.00
10/27/2014 0.00
10/28/2014 0.00
10/29/2014 0.00
10/30/2014 0.02
10/31/2014 0.00
11/1/2014 0.00
11/2/2014 T
11/3/2014 0.00
11/4/2014 0.00
11/5/2014 0.00
11/6/2014 0.34
11/7/2014 0.10
11/8/2014 **
11/9/2014 **
11/10/2014 **
11/11/2014 0.01
11/12/2014 0.00
11/13/2014 0.00
11/14/2014 0.07
11/15/2014 0.00
11/16/2014 0.00
11/17/2014 0.23
11/18/2014 0.59
11/19/2014 0.00
11/20/2014 0.00
11/21/2014 0.00
11/22/2014 0.00
11/23/2014 0.00
11/24/2014 0.32
11/25/2014 0.00
11/26/2014 1.24
11/27/2014 0.00
11/28/2014 0.00
11/29/2014 T
11/30/2014 0.00
12/1/2014 0.00
12/2/2014 0.38
12/3/2014 0.72
12/4/2014 0.00
12/5/2014 T
12/6/2014 0.02
12/7/2014 0.68
12/8/2014 0.00
12/9/2014 0.24
12/10/2014 0.22
12/11/2014 0.00
12/12/2014 0.01
12/13/2014 0.00
12/14/2014 0.00
12/15/2014 0.00
12/16/2014 0.00
12/17/2014 0.34
12/18/2014 0.00
12/19/2014 0.00
12/20/2014 0.00
12/21/2014 0.00
12/22/2014 0.00
12/23/2014 0.28
12/24/2014 **
12/25/2014 **
12/26/2014 **
12/27/2014 **
12/28/2014 **
12/29/2014 **
12/30/2014 **
12/31/2014 **
Day of YearDaily PrcpMultiday Prcp
1/1/2015 **
1/2/2015 0.97
1/3/2015 0.00
1/4/2015 0.56
1/5/2015 0.09
1/6/2015 0.25
1/7/2015 0.00
1/8/2015 0.00
1/9/2015 T
1/10/2015 0.00
1/11/2015 0.00
1/12/2015 0.16
1/13/2015 0.65
1/14/2015 T
1/15/2015 0.00
1/16/2015 0.00
1/17/2015 0.00
1/18/2015 T
1/19/2015 0.98
1/20/2015 0.00
1/21/2015 0.00
1/22/2015 T
1/23/2015 0.00
1/24/2015 1.07
1/25/2015 0.00
1/26/2015 0.05
1/27/2015 0.19
1/28/2015 0.00
1/29/2015 0.00 **
1/30/2015 0.09 0.00
1/31/2015 0.00
2/1/2015 0.00
2/2/2015 0.19
2/3/2015 0.00
2/4/2015 0.00
2/5/2015 0.00
2/6/2015 0.00
2/7/2015 0.00
2/8/2015 0.00
2/9/2015 0.00
2/10/2015 0.06
2/11/2015 0.00
2/12/2015 0.00 **
2/13/2015 T
2/14/2015 0.00
2/15/2015 0.06
2/16/2015 0.00
2/17/2015 0.47
2/18/2015 0.00
2/19/2015 0.01
2/20/2015 T
2/21/2015 0.00
2/22/2015 0.89
2/23/2015 0.00
2/24/2015 0.00
2/25/2015 0.00
2/26/2015 0.07
2/27/2015 0.08
2/28/2015 0.00
3/1/2015 0.00 **
3/2/2015 0.71 0.00
3/3/2015 0.00
3/4/2015 0.12
3/5/2015 0.44
3/6/2015 0.73
3/7/2015 0.00
3/8/2015 0.00
3/9/2015 0.00
3/10/2015 0.00
3/11/2015 0.52
3/12/2015 0.00
3/13/2015 0.00
3/14/2015 0.36
3/15/2015 0.32
3/16/2015 0.00
3/17/2015 T
3/18/2015 0.00
3/19/2015 0.00
3/20/2015 0.34
3/21/2015 0.40
3/22/2015 0.00
3/23/2015 0.00
3/24/2015 0.00
3/25/2015 0.00
3/26/2015 0.02
3/27/2015 0.68
3/28/2015 0.05
3/29/2015 T
3/30/2015 0.03
3/31/2015 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2015 0.04
4/2/2015 0.00
4/3/2015 0.00
4/4/2015 0.17
4/5/2015 0.00
4/6/2015 0.00
4/7/2015 0.03
4/8/2015 0.44
4/9/2015 0.13
4/10/2015 0.03
4/11/2015 0.01
4/12/2015 0.00
4/13/2015 0.00
4/14/2015 0.10
4/15/2015 0.38
4/16/2015 **
4/17/2015 0.17
4/18/2015 0.00
4/19/2015 0.00
4/20/2015 1.43
4/21/2015 0.65
4/22/2015 0.00
4/23/2015 T
4/24/2015 0.00
4/25/2015 0.00 **
4/26/2015 0.22 **
4/27/2015 0.00 0.20
4/28/2015 0.00
4/29/2015 0.00
4/30/2015 0.00
5/1/2015 0.02
5/2/2015 0.00
5/3/2015 0.00
5/4/2015 0.00
5/5/2015 0.00
5/6/2015 0.20
5/7/2015 0.00
5/8/2015 0.00
5/9/2015 0.00
5/10/2015 0.00
5/11/2015 T
5/12/2015 0.03
5/13/2015 0.00
5/14/2015 0.00
5/15/2015 0.00
5/16/2015 0.00
5/17/2015 0.22
5/18/2015 0.01
5/19/2015 1.52
5/20/2015 0.00
5/21/2015 0.00
5/22/2015 0.32
5/23/2015 0.00
5/24/2015 0.00
5/25/2015 0.00
5/26/2015 0.00
5/27/2015 0.00
5/28/2015 0.00
5/29/2015 0.00
5/30/2015 0.00
5/31/2015 0.00
6/1/2015 0.08
6/2/2015 1.81
6/3/2015 0.15
6/4/2015 0.03
6/5/2015 0.47
6/6/2015 0.02
6/7/2015 0.00
6/8/2015 0.00
6/9/2015 1.29
6/10/2015 0.00
6/11/2015 0.00
6/12/2015 0.00
6/13/2015 T
6/14/2015 0.03
6/15/2015 0.75
6/16/2015 T
6/17/2015 0.00
6/18/2015 0.38
6/19/2015 0.57
6/20/2015 T
6/21/2015
6/22/2015
6/23/2015
6/24/2015
6/25/2015
6/26/2015
6/27/2015
6/28/2015
6/29/2015
6/30/2015 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2015 2.35
7/2/2015 0.17
7/3/2015 0.00
7/4/2015 0.04
7/5/2015 T **
7/6/2015 **
7/7/2015 **
7/8/2015 **
7/9/2015 **
7/10/2015 0.70
7/11/2015 0.42
7/12/2015 0.03
7/13/2015 **
7/14/2015 **
7/15/2015 0.03
7/16/2015 T
7/17/2015 0.00
7/18/2015 0.00
7/19/2015 0.05
7/20/2015 0.00
7/21/2015 0.00
7/22/2015 0.04
7/23/2015 0.00
7/24/2015 0.00
7/25/2015 0.00
7/26/2015 0.00
7/27/2015 0.05
7/28/2015 0.05
7/29/2015 0.00
7/30/2015 0.08
7/31/2015 0.31
8/1/2015 0.00
8/2/2015 0.00
8/3/2015 0.00
8/4/2015 0.00
8/5/2015 0.01
8/6/2015 0.00
8/7/2015 0.02
8/8/2015 0.00
8/9/2015 0.00
8/10/2015 0.04
8/11/2015 0.37
8/12/2015 0.01
8/13/2015 0.00
8/14/2015 0.00
8/15/2015 0.00
8/16/2015 0.00
8/17/2015 0.00
8/18/2015 0.00
8/19/2015 0.01
8/20/2015 0.10
8/21/2015 0.10
8/22/2015 0.00
8/23/2015
8/24/2015
8/25/2015
8/26/2015
8/27/2015
8/28/2015
8/29/2015
8/30/2015
8/31/2015 0.00
9/1/2015 T
9/2/2015 0.00
9/3/2015 0.00
9/4/2015 T
9/5/2015 0.00
9/6/2015 0.00
9/7/2015 0.00
9/8/2015 0.00
9/9/2015 0.00
9/10/2015 0.03
9/11/2015 T
9/12/2015 0.00 **
9/13/2015 0.22 **
9/14/2015 0.00 0.16
9/15/2015 0.00
9/16/2015 0.00
9/17/2015 0.00
9/18/2015 0.00
9/19/2015 0.00 **
9/20/2015 0.00 **
9/21/2015 0.00 0.00
9/22/2015 0.21
9/23/2015 0.00
9/24/2015 0.00
9/25/2015 0.00 **
9/26/2015 0.00 **
9/27/2015 T **
9/28/2015 0.00 **
9/29/2015 0.00 **
9/30/2015 2.56 3.65



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2014 7:00 AM 0.02 M M M M Very light rain began after 9:44 PM yesterday 9/30/14. 0.02" by 11:59 +T by 7:00 AM today.
10/2/2014 7:00 AM 0.00 0.0 M M M
10/3/2014 7:00 AM 0.00 0.0 M M M
10/4/2014 7:00 AM 0.30 M M M M Very light rain begins between 7:40 and 9:03 PM yesterday 10/3/14. Trace at 9:03 +0.06" at 10:26 +0.03" at 11:22 +0.01" at 11:51. Additional 0.20" at 7:00 AM today.
10/5/2014 7:00 AM 0.00 0.0 M M M
10/6/2014 7:00 AM 0.00 0.0 M M M
10/7/2014 7:00 AM T M M M M Precipitation began after midnight. A trace by 4:41 AM, with a few fine spits of rain. A bit more by 7:00.
10/8/2014 7:00 AM 0.22 M M M M Trace of rain by 6 PM yesterday from afternoon clouds. Rain begins anew between 6:30 and 7:22. 0.04" at 8:34. Thunder to west at 10:34. Lightning 8 sec. to S, light rain at 10:36. Lightning 10 sec. to SE, 6 sec. N at 10:37. +0.13", fairly frequent lightning, thunder at 10:40. Lightning 4 sec. NW at 10:43. Distant thunder at 10:55 as storm has moved to east. +0.05", overcast broken by 11:18. No further rain, remaining clouds thin, moon fairly bright at 11:58. No further rain overnight.
10/9/2014 7:00 AM 0.00 0.0 M M M
10/10/2014 7:00 AM 0.00 0.0 M M M
10/11/2014 7:01 AM 0.37 M M M M 0.01" in afternoon rain yesterday (10/10/14) recorded at 6:29 PM (APE). Sprinkling by 7:55; light rain by 10:09; +0.05" at 11:23. +0.31" overnight by 7:01 AM.
10/12/2014 7:01 AM 0.30 M M M M +0.04" at 7:46 AM +0.26" in rain extending into late morning or early afternoon on 10/11/14.
10/13/2014 7:00 AM 0.00 0.0 M M M
10/14/2014 7:00 AM 0.08 M M M M Very light fine mist by 7:52 AM 10/13/14; trace in gauge at 7:59. +0.01" at 9:14 +0.07" at 5:11 PM. No subsequent rain. Very heavy dew at 7:00 AM 10/14/14.
10/15/2014 7:00 AM 0.00 0.0 M M M
10/16/2014 7:03 AM 0.90 M M M M Trace of rain recorded at 8:01 AM 10/15/14. Rain begins near 1:00 PM; 0.84” at 6:13 +0.05” at 8:41 +0.01” at 11:59. No measurable rain overnight.
10/17/2014 7:00 AM 0.00 0.0 M M M
10/18/2014 7:00 AM 0.00 0.0 M M M
10/19/2014 7:00 AM 0.00 0.0 M M M
10/21/2014 6:58 AM T M M M M Sprinkles begin before midnight; trace in gauge at 12:03 AM. Nothing measurable thereafter.
10/22/2014 7:01 AM 0.80 M M M M Light rain began some time after 5 PM yesterday 10/21/14. Trace by 5:45. Light rain with occasional lightning, soft rolling thunder to NW-N 6:32-6:49. 0.03" at 6:59. +0.13" at 8:57 +0.18" at 10:41 +0.06" at 11:57. Rain continues overnight. +0.40" at 7:01 AM 10/22/14.
10/23/2014 7:11 AM 0.44 M M M M 0.13" at 7:59 AM 10/22/14 +0.07" at 9:23 +0.24" at 6:19 PM +trace at 9:08. No further rain up to 7:11 AM 10/23/14.
10/24/2014 7:00 AM 0.00 0.0 M M M
10/25/2014 7:00 AM 0.00 0.0 M M M
10/26/2014 7:00 AM 0.00 0.0 M M M
10/27/2014 7:00 AM 0.00 0.0 M M M
10/28/2014 7:00 AM 0.00 0.0 M M M
10/29/2014 7:00 AM 0.00 0.0 M M M
10/30/2014 7:00 AM 0.02 M M M M Temperature drops during afternoon of 10/29/14. First raindrops at 2:27 PM; light rain by 2:30. 0.01" at 2:58 +0.01" at 4:08. No subsequent rain.
10/31/2014 7:00 AM 0.00 0.0 M M M
11/1/2014 7:00 AM 0.00 0.0 M M M
11/2/2014 7:00 AM T M M M M Occasional sprinkles (and light-moderate winds) characterized the past 24 hours.
11/3/2014 7:00 AM 0.00 0.0 M M M
11/4/2014 7:00 AM 0.00 0.0 M M M
11/5/2014 7:00 AM 0.00 0.0 M M M
11/6/2014 6:57 AM 0.34 M M M M First sprinkles at 7:17 PM 11/5/14. 0.03" at 11:15 +0.01" at 11:59 +0.04" at 12:59 AM 11/6/14 +0.24" at 6:40 AM +0.02" at 6:57, with light rain continuing.
11/7/2014 6:56 AM 0.10 M M M M +0.02" from continued morning rain at 8:04 11/06/14. Additional afternoon rain 0.07" at 4:15 PM +0.01" at 11:59. No further rain to present.
11/12/2014 7:00 AM 0.00 0.0 M M M
11/13/2014 7:00 AM 0.00 0.0 M M M
11/14/2014 7:08 AM 0.07 M M M M Rain begins after 4:47 PM 11/13/14. 0.06" at 10:41 +0.01" at 11:53 (APE). No further rain to present.
11/15/2014 7:00 AM 0.00 0.0 M M M
11/16/2014 7:00 AM 0.00 0.0 M M M
11/17/2014 7:00 AM 0.23 M M M M Rain begins after 4:42 PM 11/16/14. 0.02" at 6:07 +T at 11:59. +0.19" at 5:51 AM 11/17 +0.02" at 7:00.
11/18/2014 7:00 AM 0.59 M M M M Rain continued from 11/16. +0.01" at 7:59 AM 11/17 +0.06" at 9:44 +0.52" at 7:36 PM (APE). Windy yesterday and through the night to the present.
11/19/2014 7:00 AM 0.00 0.0 M M M
11/20/2014 7:00 AM 0.00 0.0 M M M
11/21/2014 7:00 AM 0.00 0.0 M M M
11/22/2014 7:00 AM 0.00 0.0 M M M
11/23/2014 7:00 AM 0.00 0.0 M M M
11/24/2014 7:05 AM 0.32 M M M M Sprinkles at 8:29 PM Sunday 11/23. 0.01" at 10:21 +0.01" at 11:01. +0.30" with overcast breaking from NW at 7:05 AM today (11/24).
11/25/2014 7:00 AM 0.00 0.0 M M M
11/26/2014 11:22 PM 1.24 0.5 M 0.4 0.15 Precipitation began after midnight. Light rain, 0.28" at 7:01 AM. +0.10" at 8:01. First noticed wet snowflakes in rain at 10:52. Light falling of snow alone at 11:42. 0.5" wet snow at 1:30 PM. +0.86" H2O at 9:31, with only 0.4" wet (melting) snow (melt from coring contributed 0.15" to the total of water). No further precipitation by 11:22.
11/27/2014 7:00 AM 0.00 0.0 M M M
11/28/2014 7:00 AM 0.00 0.0 M M M
11/29/2014 7:00 AM T M M M M A brief, very light snow shower at 11:16 AM yesterday 11/28; stopped by 11:18 with no accumulation.
11/30/2014 7:00 AM 0.00 0.0 M M M
12/1/2014 7:00 AM 0.00 0.0 M M M
12/2/2014 6:50 AM 0.38 M M M M 0.27" at 7:53 +0.03" at 11:15 PM yesterday 12/01/14. +0.08" at 6:50 AM today 12/02/14; no evidence of snow
12/3/2014 7:02 AM 0.72 M M M M 0.07" at 8:00 AM 12/02/14 +0.35" at 6:31 PM +0.25" at 11:59 +0.05" at 7:02 AM 12/03/14.
12/4/2014 7:00 AM 0.00 0.0 M M M
12/5/2014 7:32 AM T M M M M A few fine sprinkles at 7:32 AM.
12/6/2014 7:06 AM 0.02 M M M M Occasional very light desultory rain the past 24 hours. A trace by 8:00 AM yesterday 12/5/14 +0.01" at 7:01 PM +0.01" by 7:07 AM today.
12/7/2014 6:54 AM 0.68 M M M M Trace of rain by 11:37 AM 12/6/14 +0.07" at 2:20 PM +0.19" at 3:43 +0.03" at 4:23 +0.31" at 9:55 +0.08" at 11:56. Rain ended with only an additional trace before 12:45 AM 12/7/14.
12/8/2014 7:00 AM 0.00 0.0 M M M
12/9/2014 7:00 AM 0.24 M M M M Precipitation begins after midnight; hear rain on roof at 2:40 AM. 0.24" at 7:00.
12/10/2014 7:00 AM 0.22 M M M M +0.01" at 8:00 AM 12/09/14 +0.05" at 2:34 PM +0.02" at 6:04 +0.14" at 11:59 (APE).
12/11/2014 7:00 AM 0.00 0.0 M M M
12/12/2014 7:00 AM 0.01 M M M M 0.01" at 4:40 PM yesterday 12/11/14. No precipitation thereafter.
12/13/2014 7:00 AM 0.00 0.0 M M M
12/14/2014 7:00 AM 0.00 0.0 M M M
12/15/2014 7:00 AM 0.00 0.0 M M M
12/16/2014 7:00 AM 0.00 0.0 M M M
12/17/2014 7:00 AM 0.34 0.0 M M M First sprinkles ca. 11:00 AM yesterday 12/16/14. 0.06" at 11:42 +0.28" at 2:14 PM. No rain thereafter.
12/18/2014 7:00 AM 0.00 0.0 M M M
12/19/2014 7:00 AM 0.00 0.0 M M M
12/20/2014 7:00 AM 0.00 0.0 M M M
12/21/2014 7:00 AM 0.00 0.0 M M M
12/22/2014 7:00 AM 0.00 0.0 M M M
12/23/2014 7:00 AM 0.28 M M M M Trace of very light rain by 1:07 PM 12/22/14. 0.06" at 3:30 +0.12" at 5:52 +0.07" and a bit of mist at 12:06 AM 12/23/14 +0.03" at 6:25
1/3/2015 7:00 AM 0.00 0.0 M M M
1/4/2015 7:43 AM 0.56 M M M M A few drops of rain at 6:30 AM yesterday 1/3/15. Trace at 8:03. 0.07" at 9:35 +0.16" at 12:58 PM + 0.03" at 2:50 +0.02" at 4:28 +0.24" at 10:36; no further precipitation by midnight. Additional 0.04" by 7:43 AM today 1/4/15.
1/5/2015 7:00 AM 0.09 M M M M +0.02" at 8:26 AM yesterday 1/4/15. Then no further measurable rain until sometime after 6:25 PM. However, considerable direct condensation on carport and other protected cold surfaces because of high temperature (maximum 64 degrees in evening) and high humidity. Additional 0.07" recorded by 12:33 AM today 1/5/15. Gusty wind overnight.
1/6/2015 10:25 AM 0.25 3.2 0.25 3.2 0.25 Snow begins on or after ca. 4 AM. 0.75" snow (0.07" core melt) with very light, very fine crystalline snow falling at 7:03. Snow ends ca. 10:15. 2.4" new snow (+0.19" core melt), and 3.2" total snow (0.25" total core melt) at 10:25 AM. There was no further precipitation during the day/night.
1/7/2015 7:00 AM 0.00 0.0 M M M
1/8/2015 7:00 AM 0.00 0.0 M M M
1/9/2015 7:00 AM T T T M M A dusting of new snow overnight.
1/10/2015 7:00 AM 0.00 0.0 M M M
1/11/2015 7:00 AM 0.00 0.0 M M M
1/12/2015 7:17 AM 0.16 M M M M Sprinkles begin after 10:08 PM yesterday (1/11/15); a trace has fallen by 11:54. An additional trace by 12:39 AM today (1/12/15), +0.16" at 7:17, with very light rain in progress.
1/13/2015 7:00 AM 0.65 M M M M +0.10" at 8:03 AM yesterday 1/12/15 +0.26" at 12:03 PM +0.0.24" at 4:33 +0.05" at 9:19; no further measurable precipitation thereafter.
1/14/2015 7:40 AM T T M M M A dusting of snow, fallen some time after ca. 4:00 AM. Flakes small (1.0 - 1.5 mm) star-shaped and/or needles. Sky overcast, temperature 22 F.
1/15/2015 7:00 AM 0.00 0.0 M M M
1/16/2015 7:00 AM 0.00 0.0 M M M
1/17/2015 7:00 AM 0.00 0.0 M M M
1/18/2015 7:00 AM T M M M M Trace of rain, very light fine sprinkles at 7:00 AM.
1/19/2015 7:00 AM 0.98 M M M M Trace of rain before 7:00 AM yesterday 1/18/15; +0.09" at 7:59. Steady moderate rain at 9:07. Light fog and moderate/heavy rain slacken by 11:55. Rain stops by 12:35 PM; +0.89" at 12:41. No further precipitation. Thin ice on puddles at 7:00 AM today 1/19/15.
1/20/2015 7:00 AM 0.00 0.0 M M M
1/21/2015 7:00 AM 0.00 0.0 M M M
1/22/2015 7:00 AM T M M M M A few drops in gauge overnight.
1/23/2015 7:00 AM 0.00 0.0 M M M
1/24/2015 7:10 AM 1.07 M M M M First sprinkles occurred between 4:59 and 5:14 PM yesterday 1/23/15. 0.08" (includes melt from trace of sleet) at 8:00 +0.49" (includes melt from additional trace of sleet)at 11:58 +0.02" at 12:10 AM +0.48" at 7:10. Not raining at present. Low temperature 33F, current temperature 34F.
1/25/2015 7:00 AM 0.00 0.0 M M M
1/26/2015 7:00 AM 0.05 M M M M Rain began after 12:30 AM; 0.02" at 4:35. +0.03" and very light fine snowfall (only a dusting on ground) at 6:59; temperature 32F, slowly dropping.
1/27/2015 7:16 AM 0.19 1.2 0.18 1.2 0.18 Only a trace of snow before 6:59 AM 1/26/15. New snow stopped by 8:00, then resumed about 10:15. Took cores of total snow on board at 5:08 PM and at 7:16 AM today 1/27/15; took cores of new snow at 11:57 PM 1/26/15 and at 7:16 AM 1/27/15. Measurable sleet was present in collected precipitation at 1:00 and 5:08 PM 1/26/15. The following results of various measurements (in inches) are arranged for each time of observation as: [Time / New gauge melt / New snow(melt) / total snow(melt) ]; dashes indicate not measured. I have included the melt from the first total core at 17:08 also as the ‘new snow(melt)’. [08:00 / 0.03 / 0.2(--) / 0.2(--) ] [13:00 / 0.08 / 0.3(--) / 0.5(--) ] [17:08 / 0.01 / --(0.12) / 0.5(0.12) ] [23:57 / 0.03 / 0.3(0.03) / 0.7(--)] [07:16 / 0.04 / 0.5(0.04) / 1.2(0.18)]. Totals for the full period: [ 24 hours / 0.19 / 1.3(0.19) / 1.2(0.18)].
1/28/2015 7:00 AM 0.00 0.0 M M M
1/29/2015 7:00 AM 0.00 0.0 M M M
1/30/2015 7:00 AM 0.09 M M M M A few snowflakes at 4:12 pm yesterday 1/29/15. Very light fall of fine (ca. 1 mm) sleet begins by 4:27. Heavy fall of ca. 2-3 mm sleet by 4:40. Ground covered, fall slackening at 4:58. Ca. 0.2" sleet (0.07" melt) at 5:36. Additional trace of sleet (0.02" melt) at 11:57. A few drops in gauge at 6:57 AM today 1/30/15; overnight low temperature 32F, currently 36F, light gusty NW wind.
1/31/2015 7:00 AM 0.00 0.0 M M M
2/1/2015 7:00 AM 0.00 0.0 M M M
2/2/2015 11:05 AM 0.19 M M M M Light rain began last evening between 9:10 and 10:00 PM 2/1/15. 0.06" at 11:56 PM +T at 12:45 AM today 2/2/15 +0.05" at 7:00 +0.08" at 11:05; not raining at present.
2/3/2015 7:00 AM 0.00 0.0 M M M
2/4/2015 7:00 AM 0.00 0.0 M M M
2/5/2015 7:00 AM 0.00 0.0 M M M
2/6/2015 7:00 AM 0.00 0.0 M M M
2/7/2015 7:00 AM 0.00 0.0 M M M
2/8/2015 7:00 AM 0.00 0.0 M M M
2/9/2015 7:00 AM 0.00 0.0 M M M
2/10/2015 7:52 AM 0.06 M M 0.1 M Moderate fog (visibility ~300 yards) yesterday morning (2/9/15) dissipated under overcast skies by 1 PM. Overcast most of day. Very light fine freezing rain began shortly before 9 PM. 0.03" freezing rain (temperature 30F) at midnight. +0.03" precipitation, including 0.06" ice at 7:52 AM today; overcast, calm, 28F.
2/11/2015 7:00 AM 0.00 0.0 M M M
2/12/2015 7:00 AM 0.00 0.0 M M M
2/14/2015 7:00 AM 0.00 0.0 M M M
2/15/2015 7:00 AM 0.06 M M M M No snow before 6:01 PM on 2/14/15. Light snow, ~0.1” on ground; calm at 6:32 PM; snowing, calm, ~0.2” at 7:01. Strong gusty ~NW wind up suddenly at 7:33 on Central avenue (MD 214) near Kettering Drive (38 deg 51 min 52 sec N, 76 deg 48 min 29 sec W). Moderate-to-heavy blowing and falling snow continued until after I arrived at Prince George’s Community College. By the time I left around 11 PM, there was significant clearing in the sky, snow stopped, still windy, with numerous small drifts (perhaps 8-12 inches high). Most roads were unsalted (with ice under snow), so driving home was dangerous. Windy overnight, with low temperature 6F. By 7 AM 2/15/15 sky was clear. Snow melt from catch in two open containers was 0.06” (I consider this a minimum possible value). Wind had redistributed the fallen snow; some areas of frozen grass (and my snow board) were clear, but drifts near my house were generally not deeper than about 3”. I have no reliable measure of the amount of fallen snow.
2/16/2015 7:00 AM 0.00 0.0 M M M
2/17/2015 7:58 AM 0.47 4.0 0.47 4.0 0.47 4F at 7AM 2/16/15. No snow yet at 3:56 PM, but see a few falling flakes at 4:20. Dusting of snow at 5:20. Very light snow falling, estimate 1” on ground; 18F, calm at 7:30. Snowflakes diversely shaped; consistently tiny (2mm or less) that break into multiple submillimeter crystalline fragments on impact with a hard surface). 1.4” snow (0.14” melt) at 8:40. 13F, 2.6”snow (+0.15” water) at 12:30 AM 2/17/15. 12F, clear, 4.0” snow (+0.18” water) at 7:58. Little or no wind throughout storm, so virtually no drifting.
2/18/2015 7:00 AM 0.00 0.0 M M M
2/19/2015 7:23 AM 0.01 0.3 0.01 3.4 0.43 Overnight low 5F on 2/18/15, 6F, at 8:02 AM. In evening, 0.1” new snow by 8:27 PM, 0.3” total new snow (0.01” melt) at 11:27; total snow on snowboard 3.4” (melt 0.43”). No additional precipitation overnight. 10F at 7:23 AM.
2/20/2015 7:21 AM T 0.0 0.00 2.9 0.43 Trace of snow before 12:28 AM. Snow cover has compacted, but there was no loss of water content over the last 24 hours. Interesting.
2/21/2015 7:04 AM 0.00 0.0 M 2.9 0.39 Temperature minimum 3F. Current temperature 5F; snow depth the same as yesterday, but with a (sublimated?) loss of water content.
2/22/2015 8:07 AM 0.89 M M M M First notice light snowfall at 11:23 AM on 2/21/15. Dusting on ground by 11:45 (ca. 0.2” at 12:17 PM). 1.3” new snow on snowboard (0.13” melt), 4.2” total snow on board at 1:50. Snow waxes and wanes. 1.3” new new snow on snowboard (0.14” melt), 5.5” total snow on board at 4:50 (snow ended by 5:46); very light rain by 6:00. Water content of new new new snow+rain 0.52” at 12:35 AM 2/22/15. Precipitation ended before 7:15. Additional rain+ice melt 0.10”; (slightly more than 0.1” glaze ice on road and driveway); remaining total wet, crusted snow depth 4.8” (melt from core 0.76”) at 8:07 AM.
2/23/2015 7:00 AM 0.00 0.0 M M M
2/24/2015 7:00 AM 0.00 0.0 M M M
2/25/2015 7:00 AM 0.00 0.0 M M M
2/26/2015 7:05 AM 0.07 1.4 0.07 1.4 0.07 1.4" snow (0.07" melt) at 7:05, with continuing moderate snowfall. Temperature 28F.
2/27/2015 7:02 AM 0.08 0.9 0.08 2.2 0.15 Snowfall stops around 11 AM yesterday. At 12:23 PM yesterday: melt from core of new snow since 7:05 AM yesterday (time of report for prior 24 hours) 0.08". Melt from cores of total snowfall from initiation of storm 0.15".
2/28/2015 7:00 AM 0.00 0.0 M M M
3/1/2015 7:00 AM 0.00 0.0 M M M
3/2/2015 7:00 AM 0.71 M M M M On 3/1/15, precipitation begins between 7:12 AM and 7:58; very thin deposit and very light fall of sleet at 7:58. Conglomerate sleet particles (not really snow) of ~1mm size shatter into much smaller fragments on impact with a hard surface. Very light rain mixed with sleet at 9:27. Same, with ~1 mm ice on iron railing at 11:15. Continues much of day, with temperatures just at or below freezing. Rain only stops by 7:42 PM. Crunchy sleet+ice crust ~0.2”; catch of rain, melted sleet 0.71” at 9:03. Precipitation begins between 7:12 AM and 7:58; very thin deposit and very light fall of sleet at 7:58. Conglomerate sleet particles (not really snow) of ~1mm size shatter into much smaller fragments on impact with a hard surface. Very light rain mixed with sleet at 9:27. Same, with ~1 mm ice on iron railing at 11:15. Continues much of day, with temperatures just at or below freezing. Rain only stops by 7:42 PM. Crunchy sleet+ice crust ~0.2”; catch of rain, melted sleet =0.71” at 9:03. Surfaces, trees and bushes coated with ~0.1” ice; only a few small icicles have formed.
3/3/2015 7:00 AM 0.00 0.0 M M M
3/4/2015 7:07 AM 0.12 M M M M Rain begins during day yesterday 3/3/15. 0.08" at 7:05 PM +0.04" at 7:07 AM today.
3/5/2015 7:00 AM 0.44 M M M M +0.17" at 9:45 PM 3/4/15 +0.0.27" ay 7:00 AM today.
3/6/2015 8:00 AM 0.73 4.7 M M M Drizzling on snow at 7:00 AM 3/5/15. Light fall of fine sleet at 8:02. 2.0" snow on snowboard (0.30" core melt) at 1:07. +0.08" melt at 1:32. 3.9" snow on snowboard at 3:25 PM. 4.7" snow (0.35" melt) at 5:54. A bit of grauple in gauge at 6:45 AM 3/6/15 [4.7" snow on board (0.56" melt); 3.1" new snow since first core (0.33" melt) at 8:00.]
3/7/2015 7:00 AM 0.00 0.0 M M M
3/8/2015 7:00 AM 0.00 0.0 M M M
3/9/2015 7:00 AM 0.00 0.0 M M M
3/10/2015 7:00 AM 0.00 0.0 M M M
3/11/2015 7:00 AM 0.52 M M M M Sprinkles began between 12:15 and 12:30 PM yesterday 3/10/15. Trace at 1:12 +0.36" at 9:00 +0.14" at 11:59 +0.02" at 7:00 AM today.
3/12/2015 7:00 AM 0.00 0.0 M M M
3/13/2015 7:00 AM 0.00 0.0 M M M
3/14/2015 7:00 AM 0.36 M M M M A few fine spits begin before 10:21 PM yesterday 3/13/15. Stopped before 11:00. Spitting again at 11:29. Trace of light rain by 11:46. +0.36" at 7:00 AM.
3/15/2015 7:00 AM 0.32 M M M M Rain +0.05" at 8:01 AM 3/14/15 +0.21" at 11:00 +0.06" at 6:02 PM.
3/16/2015 7:00 AM 0.00 0.0 M M M
3/17/2015 7:00 AM T M M M M A few brief sprinkles at 10:09 AM yesterday 3/16/15. Similar brief sprinkles around 9:15 PM. No measurable precipitation through the day.
3/18/2015 7:00 AM 0.00 0.0 M M M
3/19/2015 7:00 AM 0.00 0.0 M M M
3/20/2015 7:50 AM 0.34 1.0 0.34 1.0 0.34 1.0" snow; 0.34" melt at 7:50 AM. Very light wet snow continues.
3/21/2015 8:01 AM 0.40 M M M M Estimate maximum snow depth 1.8". +0.16" at 10:10 AM. Very light snow persists into afternoon, with occasional sleet and light fine rain. +0.07" water content at 11:45. Light sleet at 12:51 PM. +0.17" water content at 4:10 +T at 8:55; no further precipitation. Temperature never exceed 34 degrees.
3/22/2015 7:00 AM 0.00 0.0 M M M
3/23/2015 7:00 AM 0.00 0.0 M M M
3/24/2015 7:00 AM 0.00 0.0 M M M
3/25/2015 7:00 AM 0.00 0.0 M M M
3/26/2015 7:00 AM 0.02 M M M M No precipitation before 8:00 AM yesterday 3/25/15; light rain begins shortly before 9:30. 0.02" by 10:26. No subsequent measurable precipitation.
3/27/2015 7:19 AM 0.68 M M M M Light rain begins sometime after 8 AM yesterday 3/26/15; 0.04" at 9:50. +0.17" at 9:50 PM +0.15" at midnight +0.32" at 7:19 AM today.
3/28/2015 7:00 AM 0.05 M M M M +0.01" at 8:07 AM yesterday 3/27/15 +0.04" at 10:29. No further measurable precipitation.
3/29/2015 7:00 AM T M M M M Very light snow flurry 4:43-5:00 PM yesterday 3/28/15. No other precipitation.
3/30/2015 7:10 AM 0.03 M M M M Rain began after 12:15 AM; 0.03" at 7:10 AM.
3/31/2015 7:00 AM 0.00 0.0 M M M
4/1/2015 7:00 AM 0.04 M M M M Rain began yesterday afternoon 3/31/15; 0.02" at 6:07 PM +0.02" at 11:32. No subsequent precipitation.
4/2/2015 7:00 AM 0.00 0.0 M M M
4/3/2015 7:00 AM 0.00 0.0 M M M
4/4/2015 7:00 AM 0.17 M M M M Fine sprinkles began between 8:05 and 9:05 AM yesterday 4/3/15. 0.02" at 10:15 +0.03" at 11:45 +0.02" at 12:37 PM +0.02" at 1:49 +0.06" at 7:42. No further rain until after midnight today; then +0.02" before 7:00 AM.
4/5/2015 7:00 AM 0.00 0.0 M M M
4/6/2015 7:00 AM 0.00 0.0 M M M
4/7/2015 7:00 AM 0.03 M M M M Light rain begins some time after midnight. 0.02" at 5:30 AM +0.01" at 6:25, as overcast begins to break.
4/8/2015 7:00 AM 0.44 M M M M Light sprinkles 6:50-6:55 PM yesterday 4/7/15. Light rain began between 9:09 and 11:08. 0.44" at 6:54 AM today (APE).
4/9/2015 7:07 AM 0.13 M M M M +0.04" at 8:01 AM yesterday 4/8/15 +0.05" at 9:42 +0.01" at 6:41 PM. Fine misty drizzle by 11:54 PM. +0.03" at 7:07 AM today, with fine drizzle in progress.
4/10/2015 7:00 AM 0.03 M M M M Very light fine misty drizzle by 6:40 PM yesterday 4/9/15. Trace by 9:38 +0.01" at 11:58 +0.02" at 7:00 AM today (APE).
4/11/2015 7:00 AM 0.01 M M M M +0.01" at 4:15 PM yesterday 4/10/15; no subsequent precipitation.
4/12/2015 7:00 AM 0.00 0.0 M M M
4/13/2015 7:00 AM 0.00 0.0 M M M
4/14/2015 7:41 AM 0.10 M M M M Light rain begins early morning. 0.10" (plus several small beetles) at 7:41 AM.
4/15/2015 8:06 AM 0.38 M M M M Trace of rain at 8:08 AM yesterday 4/14/15 +0.10" at 1:25 PM +0.14" at 4:01 +0.11" at 5:45 +0.03" at 10:00; no measurable rain thereafter.
4/18/2015 7:00 AM 0.00 0.0 M M M
4/19/2015 7:00 AM 0.00 0.0 M M M
4/20/2015 7:00 AM 1.43 M M M M Sprinkling by 7:35 PM yesterday 4/19/15. 0.10" at 10:44 +0.08" at 11:40. +1.13" at 4:10 AM +0.12" at 7:00; not raining at present.
4/21/2015 7:00 AM 0.65 M M M M Rain began in afternoon yesterday 4/20/15; 0.01” at 7:00 PM. First heard distant thunder to west at 8:10. Extremely active cloud-cloud lightning (brilliant internal illumination, nearly continual), with rolling thunder. First raindrops at 8:19. Active portion of storm slowly moved to NW. Much less frequent or brilliant lightning also moved eastward, bringing light rain and a number of different thunders – low rumbles, long soft growls, clacks, bumps, and one whoosh (but no close-by cracks). This more subdued storm gradually passed overhead, spreading to SE and NE along the way. +0.43” with light rain, much less frequent thunder and lightning, at 9:00. Rain stopped, but lightning 5 sec SE at 9:41. +0.21” at 5:50 AM today (APE).
4/22/2015 7:00 AM 0.00 0.0 M M M
4/23/2015 7:00 AM T M M M M Occasional sprinkles yesterday afternoon 4/22/15.
4/24/2015 7:00 AM 0.00 0.0 M M M
4/25/2015 7:00 AM 0.00 0.0 M M M
4/26/2015 7:13 AM 0.22 M M M M Very light fine sprinkles began after 5:42 PM yesterday 4/25/15. A trace of rain at 6:20. 0.07" at 9:19 +0.14" at 11:58 +0.01" at 7:13 AM today.
4/27/2015 7:00 AM 0.00 0.0 M M M
4/28/2015 7:00 AM 0.00 0.0 M M M
4/29/2015 7:00 AM 0.00 0.0 M M M
4/30/2015 7:00 AM 0.00 0.0 M M M
5/1/2015 7:40 AM 0.02 M M M M Rain sometime after 2:30 AM; heard rain around 5 AM. 0.02" at 7:40 (APE).
5/2/2015 7:00 AM 0.00 0.0 M M M
5/3/2015 7:00 AM 0.00 0.0 M M M
5/4/2015 7:00 AM 0.00 0.0 M M M
5/5/2015 7:00 AM 0.00 0.0 M M M
5/6/2015 7:00 AM 0.20 M M M M First sprinkles at 6:41 PM yesterday 5/5/15. Very light rain at 6:44, steady light rain at 6:50, moderate rain at 7:00, light rain at 7:09, rain over by 7:19, with total of 0.20”. Fairly frequent soft thunder throughout, spreading gradually from W to cover E quadrant. Clear by 11:35. No further precipitation.
5/7/2015 7:00 AM 0.00 0.0 M M M
5/8/2015 7:00 AM 0.00 0.0 M M M
5/9/2015 7:00 AM 0.00 0.0 M M M
5/10/2015 7:00 AM 0.00 0.0 M M M
5/11/2015 7:00 AM T M M M M Brief misty drizzle at 7:58 AM yesterday 5/10/15. Again at 9:03. No further precipitation.
5/12/2015 7:00 AM 0.03 M M M M 0.03" in midafternoon rain yesterday 5/11/15.
5/13/2015 7:00 AM 0.00 0.0 M M M
5/14/2015 7:00 AM 0.00 0.0 M M M
5/15/2015 7:00 AM 0.00 0.0 M M M
5/16/2015 7:00 AM 0.00 0.0 M M M
5/17/2015 7:00 AM 0.22 M M M M First hear very soft distant thunder to W at 6:00 PM yesterday 5/16/15. Very light rain begins shortly before 6:25. Wind suddenly picks up to light at 6:31; occasional soft thunder nearby. Moderate wind, rain at 7:39. Light rain at 7:03. 0.22", overcast, at 11:30. No further rain.
5/18/2015 7:00 AM 0.01 M M M M Very light fine drizzle at 8:33 AM yesterday 5/17/15. 0.01" at 10:00 AM. No further measurable precipitation since.
5/19/2015 7:00 AM 1.52 M M M M Large raindrops fall briefly, leaving large spots on driveway, ca. 1:30 PM yesterday 5/18/15. First noticed afternoon thunder at 2:35; rain followed. 0.50”, with fairly frequent soft rolls of thunder at 6:31. Thunder continues, sprinkles begin at 6:53. Very light fine rain ends shortly after 7:05, leaving just a trace; thunder tapers off. Brief soft thunder at 8:07. Flickering lightning, soft thunder at 10:00. Thunder moving slowly east by 10:17. Light rain begins at 10:49, reaches moderate peak at 10:54, and then trails off very slowly, with only occasional thunder; rain stopped by 11:07. Very light rain at 11:19. +0.40” at 11:37. Light rain at 11:46; increases somewhat, with infrequent thunder at 11:54, begins to decrease around 12:18 AM today; long soft thunder to east; very light rain at 12:21. +0.48” at 12:43 +0.14” at 7:00 (APE). Throughout the evening rains there was almost no wind.
5/20/2015 7:00 AM 0.00 0.0 M M M
5/21/2015 7:00 AM 0.00 0.0 M M M
5/22/2015 7:00 AM 0.32 M M M M Sprinkles begin after 8:01 AM yesterday 5/21/15. Trace by 9:06 +0.03" at 10:51 +0.29" at 6:06 PM (APE). No Subsequent precipitation,
5/23/2015 7:00 AM 0.00 0.0 M M M
5/24/2015 7:00 AM 0.00 0.0 M M M
5/25/2015 7:00 AM 0.00 0.0 M M M
5/26/2015 7:00 AM 0.00 0.0 M M M
5/27/2015 7:00 AM 0.00 0.0 M M M
5/28/2015 7:00 AM 0.00 0.0 M M M
5/29/2015 7:00 AM 0.00 0.0 M M M
5/30/2015 7:00 AM 0.00 0.0 M M M
5/31/2015 7:00 AM 0.00 0.0 M M M
6/1/2015 7:00 AM 0.08 0.0 M M M No rain yesterday 5/31/15. Sudden loud thunderclap at 12:08 AM today. Heard falling rain and soft rolling thunder shortly thereafter. Rain drops off after a short time; stopped before 12:30. 0.06", with soft rolling thunder in distance ENE at 12:36. +0.02" at 7:00 AM (APE).
6/2/2015 7:00 AM 1.81 M M M M Dark clouds and soft thunder to NW at 4:13 PM yesterday 6/1/15. Light wind up at 4:29; feels cooler by 4:39. First fine spits of rain at 4:52. Light rain begins at 4:57, a few sprinkles at 5:02. Steady light rain, sun shining (too high in sky for a rainbow) at 5:12. Trace in gauge by 5:45. Light rain begins at 7:04, peaks at 7:15 and tapers off. 0.30” at 7:43. Brief rain at 8:13. +0.09” at 9:00. Moderate rain at 9:06 that begins to decline about 9:20. Throughout the evening were periods of many minutes when clusters of soft thunder gradually moved by from the west or so, some groups passing to my south, others to my north. Thunder ended by 9:48. +0.66” at 10:24 +0.76” at 6:49 AM today.
6/3/2015 8:00 AM 0.15 M M M M 0.03" at 2:21 AM yesterday 6/2/15. +0.02" at 7:38 PM +0.02" at 10:47. +0.08" at7:59 AM today.
6/4/2015 7:10 AM 0.03 M M M M Light rain begins at 6:03, ends by 6:25. 0.03" at 7:10.
6/5/2015 8:43 AM 0.47 M M M M 0.01" at 11:15 AM yesterday 6/4/15 +0.03" at 5:51 PM +0.27" at 7:53 +0.05" at 11:08 +0.07" at 7:00 AM today +0.04" at 8:43 with light rain ongoing.
6/6/2015 3:44 PM 0.02 M M M M Additional 0.02" precipitation from yesterday morning's rain, recorded 3:44 PM today.
6/7/2015 7:00 AM 0.00 0.0 M M M
6/8/2015 7:00 AM 0.00 0.0 M M M
6/9/2015 7:35 AM 1.29 M M M M 0.04” rain in brief late afternoon shower yesterday 6/8/15. Wind up suddenly at 8:29 PM. Moderate rain begins suddenly at 8:35, but wind is gone. First hear distant thunder at 8:40. Fairly frequent flickers of lightning, infrequent thunder that gradually moves roughly W to E over following half hour. Rain quickly drops to light at 8:41, and then remains so until after 8:58. Rain then picks up to moderate by 9:08. Drops quickly to light (thunder gone) at 9:18. Stopped by 9:25. +1.15” at 9:40. Another period of generally soft thunder that proceeds from W to SE between 10:12 and 10:45. Within this period, light rain begins at 10:29, becomes light by 10:39, just sprinkles by 10:44. +0.10” at 10:47. No subsequent measurable precipitation.
6/10/2015 7:00 AM 0.00 0.0 M M M
6/11/2015 7:00 AM 0.00 0.0 M M M
6/12/2015 7:00 AM 0.00 0.0 M M M
6/13/2015 8:02 AM T M M M M Trace of rain yesterday 6/12/15 in brief shower around 7:34 PM. No measurable precipitation since.
6/14/2015 8:08 AM 0.03 M M M M 0.03" in early morning rain.
6/15/2015 6:50 AM 0.75 M M M M 0.75" in late afternoon thunderstorm yesterday 6/14/15
6/16/2015 7:50 AM T M M M M Trace in occasional sprinkles midmorning and late afternoon yesterday 6/15/15.
6/17/2015 7:00 AM 0.00 0.0 M M M
6/18/2015 7:00 AM 0.38 M M M M Hear rain on roof at 12:17 AM. Rain stopped by 12:35; 0.19". Light rain again by 12:40. +0.19" at 6:57.
6/19/2015 7:18 AM 0.57 M M M M Thunder began shortly before 5:00 pm yesterday 6/18/15; first sprinkles at 5:00. Very heavy rain by 5:10. 0.53" at 7:20. Short period of soft thunder to S without rain 8:41-8:47. Additional 0.04" rain overnight.
6/20/2015 7:12 AM T M M M M A few drops of rain in gauge at 7:12 AM.
6/30/2015 7:00 AM 0.00 0.0 M M M
7/1/2015 7:12 AM 2.35 M M M M 2.35" in torrential overnight thunderstorm. Much lightning and thunder. Over before 4 AM.
7/2/2015 11:46 AM 0.17 M M M M Distant soft thunder; sprinkles begin at 7:00. Nearby thunder at 7:06. 0.17" at 7:21 +T at 11:13.
7/3/2015 7:00 AM 0.00 0.0 M M M
7/4/2015 7:14 AM 0.04 M M M M Sprinkles begin early evening yesterday 7/3/15. 0.01" at 8:20 PM +0.01" at 10:50 +0.01" at 11:59 +0.01" at 7:14 AM today.
7/5/2015 6:55 AM T M M M M Trace in sprinkles ca. 4:50-5:00 PM yesterday 7/4/15.
7/11/2015 9:00 AM 0.42 M M M M
7/12/2015 11:00 AM 0.03 M M M M
7/16/2015 7:03 AM T M M M M Brief sprinkles at 11:50 AM yesterday 7/15/15; ended by 12:00 PM.
7/17/2015 7:00 AM 0.00 0.0 M M M
7/18/2015 7:00 AM 0.00 0.0 M M M
7/19/2015 7:00 AM 0.05 M M M M Sprinkles begin at 10:01 AM 7/18/15, end at 10:03. Resume at 10:06. 0.04" and sprinkling lightly at 10:25; stopped before 10:52. +0.01" at 11:37. No subsequent measurable precipitation.
7/20/2015 7:00 AM 0.00 0.0 M M M
7/21/2015 7:00 AM 0.00 0.0 M M M
7/22/2015 7:00 AM 0.04 M M M M 0.04" rain around 10 PM last evening 7/21/15.
7/23/2015 7:00 AM 0.00 0.0 M M M
7/24/2015 7:00 AM 0.00 0.0 M M M
7/25/2015 7:00 AM 0.00 0.0 M M M
7/26/2015 7:00 AM 0.00 0.0 M M M
7/27/2015 8:00 AM 0.05 M M M M I first became aware of soft distant rolls of thunder around 4:30 AM. Thunder resulted from brilliant flashes within clouds approaching from west, typically 1-3 minutes apart. Long (~30 seconds) soft rolls of thunder. Initially, delay of thunder 30 seconds; decreased to 5-10 seconds or so as storm passed by to SE-E. Sprinkles began at 5:18; rain light by 5:27. 0.04" as rain trailed off to very light by 5:42. +0.01" at 8:00 (APE).
7/28/2015 7:05 AM 0.05 M M M M Midafternoon thunderstorm; three thunderclaps between 2:00 and 2:45 PM. 0.05" when gauge emptied at 8:04; no subsequent precipitation.
7/29/2015 7:00 AM 0.00 0.0 M M M
7/30/2015 7:00 AM 0.08 0.0 M M M 0.08" in midafternoon rain 7/29/15.
7/31/2015 7:00 AM 0.31 M M M M 0.31" in midafternoon storm yesterday 7/30/15.
8/1/2015 7:00 AM 0.00 0.0 M M M
8/2/2015 7:00 AM 0.00 0.0 M M M
8/3/2015 7:00 AM 0.00 0.0 M M M
8/4/2015 7:00 AM 0.00 0.0 M M M
8/5/2015 7:10 AM 0.01 M M M M A few brief sprinkles at 6:41 PM yesterday 8/4/15. A bit of rain sometime after 8:09; 0.01" by 10:38. No measurable precipitation thereafter.
8/6/2015 7:00 AM 0.00 0.0 M M M
8/7/2015 7:55 AM 0.02 M M M M Sprinkling 11:27, 11:53 PM yesterday 8/6/15; stopped before 12:31 AM today with only a trace of rain. +0.02" at 7:55.
8/8/2015 7:00 AM 0.00 0.0 M M M
8/9/2015 7:00 AM 0.00 0.0 M M M
8/10/2015 7:00 AM 0.04 M M M M 0.03" at 6:10 AM +0.01" at 6:58; misty drizzle.
8/11/2015 7:20 AM 0.37 M M M M +0.01" at 8:12 AM yesterday 8/10/15 +0.05" at 11:45 (APE). Sprinkles begin between 9:41 and 9:58 PM. +0.02" at 11:33. Sprinkling lightly at 12:15 AM today. More rain begins after 6:45; briefly heavy 6:55-7:00, moderate at 7:05. +0.29", sprinkling at 7:17. Rain ended by 7:20.
8/12/2015 7:00 AM 0.01 M M M M +0.01" at 8:10 AM yesterday 8/11/15. Additional trace during the afternoon. No furthe precipitation thereafter.
8/13/2015 7:00 AM 0.00 0.0 M M M
8/14/2015 7:52 AM 0.00 0.0 M M M
8/15/2015 7:00 AM 0.00 0.0 M M M
8/16/2015 7:00 AM 0.00 0.0 M M M
8/17/2015 7:00 AM 0.00 0.0 M M M
8/18/2015 7:00 AM 0.00 0.0 M M M
8/19/2015 7:15 AM 0.01 M M M M 0.01" recorded at 6:40 PM yesterday from passing afternoon shower. No subsequent precipitation.
8/20/2015 7:15 AM 0.10 M M M M Rain sometime after midnight. 0.10" at 7:15 AM.
8/21/2015 7:25 AM 0.10 M M M M +0.02" at 6:34 PM yesterday 8/20/15. Sprinkles from slowly advancing frontal disturbance begin at 7:30, together with first distant thunder I heard. Rain very light thereafter, with infrequent but very long rolls of thunder. 0.06" at 8:12 +0.02" at 9:55 (APE). No further precipitation occurred.
8/22/2015 7:00 AM 0.00 0.0 M M M
8/31/2015 7:00 AM 0.00 0.0 M M M
9/1/2015 8:01 AM T M M M M Very light, steady, fine sprinkles 10:08-10:20 AM yesterday 8/31/15.
9/2/2015 7:00 AM 0.00 0.0 M M M
9/3/2015 7:53 AM 0.00 0.0 M M M
9/4/2015 7:46 AM T M M M M Trace of rain not long before 8:10 PM yesterday 9/3/15.
9/5/2015 7:00 AM 0.00 0.0 M M M
9/6/2015 7:00 AM 0.00 0.0 M M M
9/7/2015 7:00 AM 0.00 0.0 M M M
9/8/2015 7:00 AM 0.00 0.0 M M M
9/9/2015 7:00 AM 0.00 0.0 M M M
9/10/2015 7:15 AM 0.03 M M M M Rain begins sometime after 12:36 AM. 0.02" at 5:05 +0.01" at 7:15 (APE).
9/11/2015 7:21 AM T M M M M Trace of rain yesterday afternoon before 4:52 PM. NO DEW this morning.
9/12/2015 7:43 AM 0.00 0.0 M M M No precipitation. Moderate dew.
9/13/2015 8:02 AM 0.22 M M M M First sprinkles begin very slightly before 8:26 AM yesterday 9/12/15. 0.01" at 9:35 +0.21" at 5:53 PM. No further precipitation.
9/14/2015 7:00 AM 0.00 0.0 M M M
9/15/2015 7:00 AM 0.00 0.0 M M M
9/16/2015 8:31 AM 0.00 0.0 M M M Very heavy dew.
9/17/2015 7:20 AM 0.00 0.0 M M M Very heavy dew.
9/18/2015 7:00 AM 0.00 0.0 M M M
9/19/2015 7:15 AM 0.00 0.0 M M M Low-hanging fog among the treetops.
9/20/2015 7:50 AM 0.00 0.0 M M M Very light dew; very light NW wind (the first early morning wind in many days).
9/21/2015 7:00 AM 0.00 0.0 M M M
9/22/2015 7:11 AM 0.21 M M M M Fine sprinkles began sometime between 3:40 and 4:50 PM yesterday 9/21/15. 0.02" at 5:34 +0.16" at 8:31 +0.02" at 10:36 +0.01" at 7:11 AM today.
9/23/2015 7:00 AM 0.00 0.0 M M M
9/24/2015 7:00 AM 0.00 0.0 M M M
9/25/2015 7:00 AM 0.00 0.0 M M M
9/26/2015 8:37 AM 0.00 0.0 M M M
9/27/2015 7:00 AM T M M M M Sprinkles began about 6:50 AM.
9/28/2015 7:00 AM 0.00 0.0 M M M
9/29/2015 7:20 AM 0.00 0.0 M M M Heavy dew by 12:20 AM.
9/30/2015 7:05 AM 2.56 M M M M Trace of rain at 4:56 PM yesterday 9/29/15 +0.02" at 5:40 +0.58" at 8:33. Rain subsequently picked up, was hard for much of an hour; +1.70" at 9:56 +0.26" at 11:53. I did not see any flooding in my yard, but did not go out looking around in the darkness last night. N.B. This area is drained by Weems Creek.



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
11/8/2014 11/11/2014 10:32 PM 4 0.01 M M
12/24/2014 1/02/2015 8:33 PM 10 0.97 M M
1/29/2015 1/30/2015 12:00 AM 2 0.00 M M This submission was in error. Please remove it.
2/12/2015 2/13/2015 3:06 PM 2 T M M A few flakes of snow around 8:30 and 10:00 AM, at least, on 2/12/15. None noticed today. *****THIS ASSIGNMENT IS IN ERROR; THE REPORT IS FOR STATION MD-PG-47 (Greenbelt, MD)*****
3/1/2015 3/02/2015 12:00 AM 2 0.00 M M
4/16/2015 4/17/2015 8:00 AM 2 0.17 M M Trace of rain in sprinkles at 11:05 AM 4/16/15. Spits of fine rain began shortly before 11:12 PM. Heard brief shower on roof beginning at 3:39 AM 4/17/15; 0.17" at 8:00 AM (APE).
4/25/2015 4/27/2015 10:41 AM 3 0.20 M M THIS REPORT HAS BEEN ERRONEOUSLY ASSIGNED. ____IT SHOULD HAVE BEEN SUBMITTED TO MD-PG-47____
7/5/2015 7/10/2015 8:00 AM 6 0.70 M M
7/13/2015 7/15/2015 1:10 AM 3 0.03 M M
9/12/2015 9/14/2015 12:01 PM 3 0.16 M M
9/19/2015 9/21/2015 9:55 AM 3 0.00 M M DELETE THIS SUBMISSION! IT HAS BEEN SUBMITTED TO THE WRONG STATION!
9/25/2015 9/30/2015 6:54 PM 6 3.65 M M ERROR! !THIS REPORT IS FOR STATION NUMBER MD-PG-47! ERROR!



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