Station Overview Station Location
Station Number MD-HW-28 Latitude 39.175834
Station Name Elkridge 2.6 SW Longitude -76.784987
County Howard Elevation (ft) 273



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 3.69 6.42 31 6.42 21 0.00 10 1 7 0 0.0 0 0
Nov 13 3.53 2.94 30 0.60 28 2.34 2 1 7 2 0.0 0 0
Dec 13 3.50 5.28 30 4.47 25 0.81 5 2 9 3 3.0 4 5
Jan 14 3.23 2.75 31 2.43 28 0.32 3 1 8 3 13.0 3 11
Feb 14 3.00 4.78 28 4.58 24 0.20 4 2 12 2 16.4 7 10
March 14 3.99 4.83 31 4.83 31 0.00 0 0 11 0 14.0 6 8
April 14 3.49 6.03 30 6.03 30 0.00 0 0 10 2 0.0 0 0
May 14 4.36 7.88 31 7.88 29 0.00 2 1 15 1 0.0 0 0
June 14 3.63 3.03 30 3.03 30 0.00 0 0 9 0 0.0 0 0
July 14 4.05 2.79 31 1.98 26 0.81 5 1 9 1 0.0 0 0
Aug 14 3.39 6.03 31 6.00 28 0.03 3 1 7 0 0.0 0 0
Sept 14 4.01 2.63 30 2.63 30 0.00 0 0 7 1 0.0 0 0
Water Year Totals: 43.87" 55.39" 364 days 50.88" 330 4.51" 34 days 10 111 days 15 days 46.4" 20 days 34 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 0.00
10/8/2013 0.86
10/9/2013 0.00
10/10/2013 0.49
10/11/2013 3.36
10/12/2013 1.13
10/13/2013 0.52
10/14/2013 0.01
10/15/2013 0.00
10/16/2013 0.00
10/17/2013 0.00
10/18/2013 0.00
10/19/2013 **
10/20/2013 **
10/21/2013 **
10/22/2013 **
10/23/2013 **
10/24/2013 **
10/25/2013 **
10/26/2013 **
10/27/2013 **
10/28/2013 0.00
10/29/2013 0.00
10/30/2013 0.05
10/31/2013 0.00
11/1/2013 0.15
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 T
11/8/2013 0.04
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 0.00
11/16/2013 0.14
11/17/2013 0.01
11/18/2013 0.18
11/19/2013 0.00
11/20/2013 0.00
11/21/2013 0.00
11/22/2013 0.01
11/23/2013 T
11/24/2013 0.00
11/25/2013 0.00
11/26/2013 **
11/27/2013 2.34
11/28/2013 0.07
11/29/2013 0.00
11/30/2013 0.00
12/1/2013 0.00
12/2/2013 0.00
12/3/2013 0.00
12/4/2013 0.00
12/5/2013 0.00
12/6/2013 0.11
12/7/2013 1.05
12/8/2013 0.00
12/9/2013 1.07
12/10/2013 0.04
12/11/2013 0.25
12/12/2013 0.00
12/13/2013 0.00
12/14/2013 0.00
12/15/2013 0.51
12/16/2013 0.00
12/17/2013 T
12/18/2013 T
12/19/2013 0.00
12/20/2013 0.00
12/21/2013 0.00
12/22/2013 **
12/23/2013 0.81
12/24/2013 0.27
12/25/2013 T
12/26/2013 **
12/27/2013 **
12/28/2013 0.00
12/29/2013 0.11
12/30/2013 1.06
12/31/2013
Day of YearDaily PrcpMultiday Prcp
1/1/2014 0.00
1/2/2014 0.00
1/3/2014 0.28
1/4/2014 0.00
1/5/2014 0.09
1/6/2014 0.29
1/7/2014 0.00
1/8/2014 0.00
1/9/2014 0.00
1/10/2014 0.18
1/11/2014 0.51
1/12/2014 0.54
1/13/2014 0.00
1/14/2014 **
1/15/2014 0.32
1/16/2014 0.00
1/17/2014 0.00
1/18/2014 T
1/19/2014 0.00
1/20/2014 0.00
1/21/2014 0.00
1/22/2014 0.52
1/23/2014 0.00
1/24/2014 T
1/25/2014 0.00
1/26/2014 T
1/27/2014 0.00
1/28/2014 0.00
1/29/2014 0.02
1/30/2014 0.00
1/31/2014 **
2/1/2014 **
2/2/2014 0.00
2/3/2014 1.06
2/4/2014 0.31
2/5/2014 0.61
2/6/2014 0.04
2/7/2014 0.00
2/8/2014 0.00
2/9/2014 T
2/10/2014 0.05
2/11/2014 0.00
2/12/2014 0.00
2/13/2014 0.67
2/14/2014 1.56
2/15/2014 0.00
2/16/2014 0.02
2/17/2014 0.00
2/18/2014 0.11
2/19/2014 0.00
2/20/2014 0.10
2/21/2014 0.00
2/22/2014 **
2/23/2014 0.20
2/24/2014 T
2/25/2014 0.00
2/26/2014 0.03
2/27/2014 0.02
2/28/2014 0.00
3/1/2014 0.00
3/2/2014 0.00
3/3/2014 0.61
3/4/2014 0.06
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 0.00
3/11/2014 0.00
3/12/2014 0.00
3/13/2014 0.09
3/14/2014 0.00
3/15/2014 0.00
3/16/2014 0.00
3/17/2014 0.67
3/18/2014 0.02
3/19/2014 0.00
3/20/2014 0.27
3/21/2014 0.00
3/22/2014 0.07
3/23/2014 0.00
3/24/2014 0.00
3/25/2014 0.00
3/26/2014 0.25
3/27/2014 0.00
3/28/2014 0.00
3/29/2014 0.02
3/30/2014 1.54
3/31/2014 1.23
Day of YearDaily PrcpMultiday Prcp
4/1/2014 0.00
4/2/2014 0.00
4/3/2014 0.02
4/4/2014 T
4/5/2014 0.05
4/6/2014 0.00
4/7/2014 0.00
4/8/2014 0.52
4/9/2014 0.00
4/10/2014 0.00
4/11/2014 0.00
4/12/2014 T
4/13/2014 0.00
4/14/2014 0.00
4/15/2014 0.08
4/16/2014 2.42
4/17/2014 0.00
4/18/2014 0.00
4/19/2014 0.00
4/20/2014 0.00
4/21/2014 0.00
4/22/2014 0.00
4/23/2014 0.28
4/24/2014 0.00
4/25/2014 0.00
4/26/2014 0.50
4/27/2014 0.02
4/28/2014 0.00
4/29/2014 0.34
4/30/2014 1.80
5/1/2014 3.43
5/2/2014 0.11
5/3/2014 0.00
5/4/2014 0.02
5/5/2014 0.00
5/6/2014 0.01
5/7/2014 0.00
5/8/2014 0.21
5/9/2014 0.00
5/10/2014 0.00
5/11/2014 0.26
5/12/2014 0.00
5/13/2014 0.00
5/14/2014 T
5/15/2014 0.03
5/16/2014 1.72
5/17/2014 0.36
5/18/2014 **
5/19/2014 0.00
5/20/2014 0.00
5/21/2014 0.01
5/22/2014 0.35
5/23/2014 0.05
5/24/2014 0.00
5/25/2014 0.00
5/26/2014 0.00
5/27/2014 0.00
5/28/2014 0.47
5/29/2014 0.46
5/30/2014 0.39
5/31/2014 0.00
6/1/2014 0.00
6/2/2014 0.00
6/3/2014 0.00
6/4/2014 0.02
6/5/2014 0.49
6/6/2014 0.00
6/7/2014 0.00
6/8/2014 0.00
6/9/2014 0.15
6/10/2014 0.00
6/11/2014 0.52
6/12/2014 0.00
6/13/2014 0.12
6/14/2014 0.09
6/15/2014 0.00
6/16/2014 0.00
6/17/2014 0.00
6/18/2014 0.00
6/19/2014 0.47
6/20/2014 0.26
6/21/2014 0.00
6/22/2014 0.00
6/23/2014 0.00
6/24/2014 0.00
6/25/2014 0.00
6/26/2014 0.91
6/27/2014 0.00
6/28/2014 0.00
6/29/2014 0.00
6/30/2014 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2014 0.00
7/2/2014 0.00
7/3/2014 0.48
7/4/2014 0.26
7/5/2014 0.00
7/6/2014 0.00
7/7/2014 0.00
7/8/2014 0.00
7/9/2014 0.33
7/10/2014 **
7/11/2014 **
7/12/2014 **
7/13/2014 **
7/14/2014 0.81
7/15/2014 0.03
7/16/2014 0.55
7/17/2014 0.00
7/18/2014 0.00
7/19/2014 0.00
7/20/2014 T
7/21/2014 0.00
7/22/2014 0.00
7/23/2014 0.00
7/24/2014 0.20
7/25/2014 0.00
7/26/2014 0.02
7/27/2014 0.01
7/28/2014 0.10
7/29/2014 0.00
7/30/2014 0.00
7/31/2014 0.00
8/1/2014 0.00
8/2/2014 0.16
8/3/2014 0.10
8/4/2014 0.19
8/5/2014 **
8/6/2014 **
8/7/2014 0.03
8/8/2014 0.00
8/9/2014 0.00
8/10/2014 0.00
8/11/2014 0.00
8/12/2014 0.05
8/13/2014 5.04
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 0.05
8/22/2014 0.00
8/23/2014 0.00
8/24/2014 0.41
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 0.24
9/2/2014 0.00
9/3/2014 0.34
9/4/2014 0.00
9/5/2014 0.00
9/6/2014 0.00
9/7/2014 0.95
9/8/2014 0.00
9/9/2014 T
9/10/2014 0.00
9/11/2014 0.00
9/12/2014 0.00
9/13/2014 0.00
9/14/2014 0.17
9/15/2014 0.00
9/16/2014 0.00
9/17/2014 0.00
9/18/2014 0.00
9/19/2014 0.00
9/20/2014 0.00
9/21/2014 0.00
9/22/2014 0.00
9/23/2014 0.00
9/24/2014 0.00
9/25/2014 0.33
9/26/2014 0.59
9/27/2014 0.00
9/28/2014 0.00
9/29/2014 0.00
9/30/2014 0.01



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
10/7/2013 7:00 AM 0.00 0.0 M M M
10/8/2013 7:00 AM 0.86 M M M M First rain in the last 15 days. Cold front passage accompanied with moisture from Tropical Storm Karen.
10/9/2013 7:00 AM 0.00 0.0 M M M
10/10/2013 8:00 AM 0.49 M M M M Heavy rain overnight and this morning.
10/11/2013 9:00 AM 3.36 M M M M Nearly continuous rain since late Wednesday evening. Moderate to heavy rain falling at time of observation.
10/12/2013 9:00 AM 1.13 M M M M Still some light sprinkles falling at time of ob.
10/13/2013 9:30 AM 0.52 M M M M On and off rain showers yesterday, particularly in the late afternoon/evening with a period of steadier rain overnight. Recent light rains early this morning as well.
10/14/2013 8:00 AM 0.01 M M M M Sprinkles on Sunday morning 10/13.
10/15/2013 7:00 AM 0.00 0.0 M M M
10/16/2013 7:00 AM 0.00 0.0 M M M
10/17/2013 7:00 AM 0.00 0.0 M M M
10/18/2013 7:00 AM 0.00 0.0 M M M
10/29/2013 8:00 AM 0.00 0.0 M M M
10/30/2013 9:00 AM 0.05 M M M M Rain during the morning hours.
10/31/2013 7:00 AM 0.00 0.0 M M M
11/1/2013 10:30 AM 0.15 M M M M 0.02" from yesterday evening, rest of precip from this morning. Very windy between 6-9 am with passage of the frontal boundary.
11/2/2013 7:00 AM 0.00 0.0 M M M
11/3/2013 6:00 AM 0.00 0.0 M M M
11/4/2013 8:00 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 9:00 AM T M M M M Rain shower this morning. More rain on the way today.
11/8/2013 7:00 AM 0.04 M M M M Light rain during the midday hours with frontal passage.
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 Rain/snow showers in the area yesterday (briefly reported at BWI, observed in Glen Burnie) but couldn't confirm if we had any at my house.
11/14/2013 7:00 AM 0.00 0.0 M M M
11/15/2013 7:00 AM 0.00 0.0 M M M
11/16/2013 7:00 AM 0.14 M M M M Light - moderate rain during the overnight hours.
11/17/2013 7:00 AM 0.01 M M M M Dense fog this morning and overnight. Light drizzle with some of the fog last night. Heavy dew on grass and anything else outside this morning.
11/18/2013 7:00 AM 0.18 M M M M Very strong winds and brief heavy rain with passage of squall line overnight around 2:30am.
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 8:30 AM 0.01 M M M M Rain shower this morning.
11/23/2013 6:00 AM T M M M M Short period of light rain in the evening. Windy overnight with frontal passage roughly between 10pm-midnight. Max wind gust 28.9 mph.
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
11/28/2013 7:00 AM 0.07 0.0 M 0.0 M Light rain late in the afternoon mixing with snow after 5pm. Then all snow for a short period (15-20 min) with no accumulation. Becoming very windy late in the evening.
11/29/2013 7:00 AM 0.00 0.0 M M M
11/30/2013 7:00 AM 0.00 0.0 M M M
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
12/5/2013 7:00 AM 0.00 0.0 M M M
12/6/2013 9:30 AM 0.11 0.0 0.00 0.0 0.00 Trace of precip from light rain showers last night. Rest early this morning. All in the form of rain with temperatures near 50F.
12/7/2013 6:30 AM 1.05 M M M M Almost continuous rain from yesterday mid-morning through the overnight period.
12/8/2013 7:00 AM 0.00 0.0 M M M
12/9/2013 8:30 AM 1.07 1.0 M 1.1 M Storm started out as snow for several hours before changing over to sleet/wintry mix in the afternoon. Then changed to freezing rain from evening into the overnight hours. Some residual rain towards morning as surface temperatures warmed. Maximum new snow/sleet depth estimated at 1.0". Maximum ice accretion 0.15".
12/10/2013 7:00 AM 0.04 0.3 M 0.5 M Snow started around 6:40 am and by 7:00 am had accumulated on grass/sidewalks/roads outside of my house. Moderate snow falling at time of observation.
12/11/2013 6:30 AM 0.25 1.6 M 1.0 0.23 Morning snowfall starting at 6:30am and continuing until a little after noon. Heaviest snow fell from 7am-8am covering grass, roads, and sidewalks quickly. Moderate snows later in the morning seemed to not accumulate on surfaces very much.
12/12/2013 6:30 AM 0.00 0.0 M 0.5 M Near freezing temperatures yesterday kept snow over a large portion of my yard still, though it is slowly diminishing.
12/13/2013 7:00 AM 0.00 0.0 M 0.5 M
12/14/2013 6:30 AM 0.00 0.0 M T M A lot of the snow on the ground was absorbed yesterday. Lots of bare grass now.
12/15/2013 7:00 AM 0.51 0.1 M T M Started out as wet snow around 1pm. After snowing moderately for about 2 hours, it finally began to lay on the grass and on untreated sidewalks. Then started to mix with sleet and rain around 3:30-4pm. Had a period of about an hour just after dark of mostly sleet with some sleet/rain mix that caused the most accumulation, with 0.1" of sleet measured. Changed to all rain after about 6pm and any previously accumulated snow/sleet began to melt.
12/16/2013 8:00 AM 0.00 0.0 M 0.0 M Total snow depth 0". Remnant snow on ground has finally melted away.
12/17/2013 6:30 AM T T M T M Dusting of new snow.
12/18/2013 6:30 AM T T M 0.0 M Snow pellets fell last night sometime between 7:30-8:30pm
12/19/2013 7:00 AM 0.00 0.0 M 0.0 M
12/20/2013 7:00 AM 0.00 0.0 M M M
12/21/2013 7:00 AM 0.00 0.0 M M M
12/24/2013 7:00 AM 0.27 0.0 M 0.0 M Rain for a good part of the day yesterday. Temps starting out at 63F around 8am and dropping steadily through the afternoon/evening. 1.08" Storm Total (mostly past 2 days).
12/25/2013 7:00 AM T T M 0.0 M Snow squall crossing the area on the afternoon of Dec. 24th brought light snow that melted on impact. No accumulation.
12/29/2013 7:45 AM 0.11 0.0 M 0.0 M Light rain falling early this morning and at time of ob.
12/30/2013 7:00 AM 1.06 0.0 M 0.0 M Rain for much of the day Sunday 12/29. Storm total of 1.17". Still 45 degrees this morning.
1/1/2014 7:00 AM 0.00 0.0 M M M
1/2/2014 7:00 AM 0.00 0.0 M M M
1/3/2014 8:00 AM 0.28 5.2 0.43 5.2 0.43 Dry powdery snow. 12-1 snow liquid ratio based on core sample.
1/4/2014 7:00 AM 0.00 0.0 M 4.5 M Very cold. Snow still on ground. Low of 8F.
1/5/2014 10:00 AM 0.09 0.0 M 2.5 M Freezing rain this morning. Minimal ice accretion on tree branches but about 0.10" estimated on untreated sidewalk and deck surfaces.
1/6/2014 10:00 AM 0.29 0.0 M T M Freezing rain turned to rain yesterday with warming temperatures. Still relatively warm today. Most snow has disappeared except for in shadowed areas and in areas where snow was piled. Very windy.
1/7/2014 7:00 AM 0.00 0.0 M M M
1/8/2014 7:00 AM 0.00 0.0 M M M
1/9/2014 7:00 AM 0.00 0.0 M M M
1/10/2014 8:30 AM 0.18 0.0 M 0.0 M Freezing rain falling this morning. All surfaces have a thin glaze of ice on them. Ice on tree branches is about 0.1". Temperature currently at 33F.
1/11/2014 9:30 AM 0.51 0.0 M 0.0 M Freezing rain yesterday morning changed to all rain by about 9:30-10am. After a midday break in precip, light drizzle started again by early afternoon and continued through evening, becoming light to occasionally moderate rain. Very foggy last night and this morning.
1/12/2014 8:00 AM 0.54 M M M M Rain for much of the day Saturday
1/13/2014 8:00 AM 0.00 0.0 M 0.0 M
1/16/2014 6:30 AM 0.00 0.0 M 0.0 M
1/17/2014 7:00 AM 0.00 0.0 M 0.0 M
1/18/2014 7:00 AM T T M T M Light dusting of snow/snow pellets.
1/19/2014 6:30 AM 0.00 0.0 M 0.0 M
1/20/2014 7:00 AM 0.00 0.0 M M M
1/21/2014 7:00 AM 0.00 0.0 M 0.0 M Snow on the way!
1/22/2014 6:30 AM 0.52 7.6 0.52 7.0 0.52 Biggest single day snowfall since joining Cocorahs! 7.6" of new snow, measured at 11pm last night. Significant blowing and drifting so had to take an average of measurements. Because of windy conditions, used melted core value as precip amount instead of what actually fell in the gauge.
1/23/2014 6:30 AM 0.00 0.0 M 6.5 M
1/24/2014 9:00 AM T T M 4.0 M Snow showers yesterday afternoon. No accumulation though. Snow depth is average of snow on ground and on deck still, temps remain well below freezing.
1/25/2014 7:00 AM 0.00 0.0 M M M
1/26/2014 9:00 AM T T M 2.0 M Snow showers yesterday morning and early afternoon. Total snow depth is estimated average based on numerous measurements of varied depth (from 4" to bare ground).
1/27/2014 8:00 AM 0.00 0.0 M 2.0 M
1/28/2014 7:00 AM 0.00 0.0 M 0.5 M Yesterday's high in the mid 40's quickly dropped becoming very cold. Low of 9F. Lots of snow melt yesterday.
1/29/2014 9:00 AM 0.02 0.2 0.02 0.5 M Light snow last night
1/30/2014 8:00 AM 0.00 0.0 M 0.5 M Much of the yard is snow free. Areas that are shaded remain snow covered with between 0.25-0.5".
2/3/2014 8:30 AM 1.06 0.0 M 0.0 M All rain this morning. Outside temperature just below 39F and holding steady for last 2 hours. Heavy snow to the west near Hagerstown.
2/4/2014 7:00 AM 0.31 T M T M Event total precipitation of 1.37". Rain changed to sleet and freezing rain around 11:30am, then started mixing with wet snow about 10 minutes later. A few minutes later, the precip type was all snow. This lasted for about an hour and between 12:30pm and 1:00pm the precip type changed back to rain with the temperature rising above freezing. Sleet/snow mix did briefly cover the ground but was less than 0.1". Heaviest precip (rain) was in the morning.
2/5/2014 8:00 AM 0.61 0.0 0.00 T M Snow/sleet/freezing rain mix to start last night around 10-11pm. Changed over to all freezing rain after 11pm continuing through about 7am this morning before temperature got above 32F and changed to rain. 0.2" ice accretion measured on tree branches.
2/6/2014 7:00 AM 0.04 0.0 M 0.0 M Rain in the morning yesterday to finish off the freezing rain event. All the ice from yesterday had melted by yesterday afternoon.
2/7/2014 7:00 AM 0.00 0.0 M 0.0 M
2/8/2014 7:00 AM 0.00 0.0 M M M
2/9/2014 8:00 AM T T M 0.0 M Snow flurries during the afternoon. Melted as they hit the ground.
2/10/2014 7:00 AM 0.05 0.6 M 0.6 M Light-moderate snow fell during the afternoon yesterday and into the evening but did not accumulate significantly. Seemed to wreak havoc with the roads because even the interstates were not plowed or treated at all initially. Numerous accidents observed along I-70.
2/11/2014 7:00 AM 0.00 0.0 M T M Still remnant dusting of snow on lawn from Sunday snow.
2/12/2014 7:00 AM 0.00 0.0 M 0.0 M
2/13/2014 5:30 AM 0.67 9.0 M 9.0 M Estimate based on numerous measurements. Heavy snow after midnight. Some mixing of snow and sleet after about 5am. As of 6:30am have changed to a rain/sleet mix.
2/14/2014 7:00 AM 1.56 4.6 M 9.0 2.23 An additional 2" fell in the morning on the 13th after my 5:30am observation before changing over to a sleet/rain mix and later to all rain. By midday, rain had stopped and there was a lull in precipitation. Late in the afternoon, precip started again and changed from rain to snow around 6pm. Snow started to accumulate quickly with another 2.5" measured by the time it ended around 11pm. Note: Melted value from core contained a significant amount of ice/rain within the snow but was taken after all the precipitation (including later snow) had fallen.
2/15/2014 7:00 AM 0.00 0.0 M 6.5 M Quite warm on the 14th given the amount of snow cover. High of 47F. Lots of snow melt and compaction, especially on the sunny side of the house. Depth of total snow averaged.
2/16/2014 7:00 AM 0.02 0.1 M 5.5 M Light snow fell yesterday morning into midday. Slight accumulations on snow covered surfaces while non-snow covered surfaces were just made wet. Temperatures were right at or above freezing for the event.
2/17/2014 6:30 AM 0.00 0.0 M 5.5 M
2/18/2014 6:30 AM 0.11 1.1 M 4.5 M Light snow fell in the pre-dawn hours. Done snowing by about 5am.
2/19/2014 6:30 AM 0.00 0.0 M 3.5 M Rain and rain showers approaching the area.
2/20/2014 6:30 AM 0.10 0.0 M 1.5 M Rain with embedded tstorms moved through the area yesterday morning. Several lightning flashes seen and rumbles of thunder heard. Temperatures warmed up quite a bit in the afternoon reaching the mid 50's. This quickly eroded most of the snowpack around the house, eliminating most of the snow that was in the sun (even in many piles) and lessening the snow total that was not in the sun. Average depth taken between the two areas.
2/21/2014 7:00 AM 0.00 0.0 M M M
2/24/2014 8:00 AM T 0.0 M 0.0 M Overnight rain shower.
2/25/2014 7:00 AM 0.00 0.0 M 0.0 M
2/26/2014 7:00 AM 0.03 0.5 M 0.2 M Estimated 0.5" of new snow during the mid-morning to midday hours. 0.03" melted equivalent. Most of this snow melted during the afternoon in the sun. Another round of snow had started this morning accumulating 0.2" of snow but was only a T liquid equivalent.
2/27/2014 8:00 AM 0.02 0.5 M T M Total snowfall for the event of 0.7" (0.5" + 0.2" prior to 7am 2/26). Much of the snow melted in the afternoon sun.
2/28/2014 7:00 AM 0.00 0.0 M T M Trace of snow still in parts of the front yard. Very cold temperatures.
3/1/2014 7:00 AM 0.00 0.0 M 0.0 M Front yard snow finally melted.
3/2/2014 7:00 AM 0.00 0.0 M M M
3/3/2014 8:00 AM 0.61 1.4 M 1.5 M Storm started as rain yesterday afternoon, then transitioned to freezing rain and possibly sleet overnight before changing to snow this morning. Layer of ice at the bottom of gauge and thin ice coating all surfaces with snow one top. Still snowing at time of measurement and very windy at times.
3/4/2014 7:00 AM 0.06 1.7 M 3.0 M Storm total snowfall of 3.1". Layer of ice at the bottom of the snow cover. Extremely cold overnight for March 4th with BWI setting a record of 4F. My weather station bottomed out at 8F.
3/5/2014 8:00 AM 0.00 0.0 M 2.0 M Even though yesterday's high did not get above freezing, still had a decent amount of snow melt in areas exposed to the March sun.
3/6/2014 8:00 AM 0.00 0.0 M 0.5 M Average snow depth taken between back of house (bare ground) and front of house (1" snow cover).
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
3/10/2014 7:00 AM 0.00 0.0 M M M
3/11/2014 7:00 AM 0.00 0.0 M M M
3/12/2014 7:00 AM 0.00 0.0 M M M
3/13/2014 7:00 AM 0.09 0.0 M 0.0 M Extremely windy last night with a wing gust measured at 41.6 mph. Rain fell during passage of cold front between 6:30-7:15pm. Yesterdays high temp was 66, my overnight low dropped to 19.8 after fropa.
3/14/2014 7:00 AM 0.00 0.0 M M M
3/15/2014 7:00 AM 0.00 0.0 M 0.0 M
3/16/2014 7:00 AM 0.00 0.0 M M M
3/17/2014 7:00 AM 0.67 8.8 0.67 8.8 0.67 8.8" storm total. 0.58" total precipitation measured from gauge but used melted value from core sample instead. Still snowing lightly.
3/18/2014 8:00 AM 0.02 0.2 M 6.0 M As most of the snow was already over by 7am yesterday, little additional accumulation occurred. Light snow did however continue to fall through the morning becoming snow showers towards midday. Only briefly did it fall at a hard enough rate to accumulate on surfaces. Storm total snowfall 9.0".
3/19/2014 8:00 AM 0.00 0.0 M 1.0 M Much of the snow has melted. Average depth of 1" left between front and back yards.
3/20/2014 7:00 AM 0.27 0.0 M 0.0 M Rain during the midday, afternoon, and evening yesterday. Warmer temperatures combined with the rain quickly melted all of the snow except for the piles.
3/21/2014 7:00 AM 0.00 0.0 M 0.0 M
3/22/2014 7:00 AM 0.07 0.0 M 0.0 M Moderate to locally heavy rains with a small band of weak tstorms during Friday (3/21) afternoon.
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
3/25/2014 7:00 AM 0.00 0.0 M 0.0 M
3/26/2014 9:00 AM 0.25 1.7 0.20 1.0 M Snow yesterday for most of the day. Much of the time that snow fell, it was only accumulating on elevated surfaces and on grassy surfaces on the north sides of buildings, melting on contact elsewhere.
3/27/2014 7:00 AM 0.00 0.0 M M M
3/28/2014 7:00 AM 0.00 M M M M
3/29/2014 7:15 AM 0.02 0.0 M 0.0 M Light rain during the morning yesterday to just after noon. Then dry until light rain started falling again this morning sometime between 6-7am.
3/30/2014 10:30 AM 1.54 0.0 M 0.0 M Nearly continuous light-moderate rain since yesterday morning. Rain has been heavier this morning than yesterday as evidenced by large areas of water sitting in the yard where the ground beneath is saturated.
3/31/2014 7:00 AM 1.23 0.2 M 0.0 M Light-moderate rain continued to fall for most of the day yesterday changing over to locally heavy wet snow around 4pm as the heavier band moved through. Snowed for about 2 hours before a brief pause in precip, then snowed for another hour before changing back over to rain. Accumulated new snow is estimate based on report of deck and grass being covered.
4/1/2014 7:00 AM 0.00 0.0 M 0.0 M It's now April 1st. Hopefully winter is officially over. Trees are just starting to get their buds.
4/2/2014 7:30 AM 0.00 0.0 M 0.0 M
4/3/2014 6:30 AM 0.02 0.0 M 0.0 M light rain yesterday morning and also early this morning.
4/4/2014 6:30 AM T 0.0 M 0.0 M Light rain last night around 10:00pm.
4/5/2014 7:00 AM 0.05 0.0 M 0.0 M weak thunderstorms moved through last night around 11:30pm
4/6/2014 7:00 AM 0.00 0.0 M M M
4/7/2014 6:30 AM 0.00 0.0 M 0.0 M
4/8/2014 6:00 AM 0.52 0.0 M 0.0 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
4/12/2014 8:00 AM T M M M M Shower on Friday evening.
4/13/2014 8:00 AM 0.00 M M M M Sent via CoCoRaHS Observer for iOS
4/14/2014 8:00 AM 0.00 0.0 M M M
4/15/2014 8:00 AM 0.08 M M M M Light rain falling this morning.
4/16/2014 8:00 AM 2.42 T M 0.0 M rain for almost the entire day changing over to sleet and snow by late evening. trace accumulation.
4/17/2014 8:00 AM 0.00 0.0 M M M
4/18/2014 7:00 AM 0.00 0.0 M M M
4/19/2014 7:00 AM 0.00 0.0 M M M
4/20/2014 7:00 AM 0.00 0.0 M M M
4/21/2014 8:00 AM 0.00 0.0 M M M
4/22/2014 7:00 AM 0.00 M M M M Sent via CoCoRaHS Observer for iOS
4/23/2014 7:00 AM 0.28 M M M M Sent via CoCoRaHS Observer for iOS. Light rain during the midday hours and a thunderstorm with heavy rain around 9pm.
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
4/26/2014 7:00 AM 0.50 M M M M Rain late in the day from about 4:30pm-6:30pm
4/27/2014 7:00 AM 0.02 M M M M Tstorm brought a quick bout of rain yesterday evening.
4/28/2014 7:00 AM 0.00 0.0 M M M
4/29/2014 8:00 AM 0.34 0.0 M 0.0 M light-mod rains yesterday late afternoon & evening continuing on and off through the night. another round of Precip approaching the area today from the west.
4/30/2014 8:00 AM 1.80 0.0 M 0.0 M Rain started Monday night and has been on and off since then. Rain fell for most of the day yesterday with a period in the afternoon of very light drizzle/no precip. Heavier rains moved in after 10pm.
5/1/2014 8:00 AM 3.43 0.0 M 0.0 M Rained all day long yesterday. Was raining when I got up at 7am yesterday and still raining when I went to bed at 11pm last night. Very heavy downpours at certain times whenever embedded thunderstorms would move through. Reports of mudslides around the Baltimore area.
5/2/2014 8:00 AM 0.11 M M M M Two rounds of tstorms came through the area, the first was around 5:00 and produced 0.05". The second storm moved through around 7:30pm and produced another 0.06".
5/3/2014 7:00 AM 0.00 0.0 M M M
5/4/2014 7:00 AM 0.02 M M M M Rain shower yesterday late afternoon. Sun was out for most of the rain shower which lasted ~20 minutes which caused a large colorful rainbow.
5/5/2014 7:00 AM 0.00 0.0 M M M
5/6/2014 8:00 AM 0.01 M M M M
5/7/2014 7:00 AM 0.00 0.0 M M M
5/8/2014 7:30 AM 0.21 M M M M weakening tstorms moved through the area yesterday morning bringing moderate rain around 11am.
5/9/2014 7:00 AM 0.00 0.0 M M M Into the 80s yesterday for the first time in 2014.
5/10/2014 8:00 AM 0.00 M M M M Sent via CoCoRaHS Observer for iOS
5/11/2014 8:00 AM 0.26 M M M M scattered showers during the day Saturday and heavy rain around 10pm Saturday night.
5/12/2014 8:00 AM 0.00 M M M M Sent via CoCoRaHS Observer for iOS
5/13/2014 7:00 AM 0.00 0.0 M M M
5/14/2014 7:00 AM T M M M M light drizzle/mist falling this morning.
5/15/2014 10:00 AM 0.03 M M M M light drizzle/mist for most of the day/night.
5/16/2014 8:00 AM 1.72 M M M M heavy rains overnight into this morning.
5/17/2014 8:00 AM 0.36 M M M M rain event continued into yesterday morning. storm total 2.08"
5/20/2014 7:00 AM 0.00 0.0 M M M
5/21/2014 8:30 AM 0.01 M M M M rain shower at some point overnight
5/22/2014 7:30 AM 0.35 M M M M Scattered light showers yesterday evening that produced a few hundredths. Then no rain until an area of morning tstorms moved across central MD between 5am-6:15am.
5/23/2014 7:00 AM 0.05 M M M M Afternoon tstorm.
5/24/2014 7:00 AM 0.00 0.0 M M M
5/25/2014 7:00 AM 0.00 0.0 M M M
5/26/2014 7:00 AM 0.00 0.0 M M M
5/27/2014 7:00 AM 0.00 0.0 M M M
5/28/2014 8:00 AM 0.47 M M M M Rainfall from multiple rounds of tstorms between 6::00pm-9:00pm.
5/29/2014 8:00 AM 0.46 M M M M tstorm overnight and light rain/drizzle occurring this morning.
5/30/2014 9:00 AM 0.39 M M M M Light rain and drizzle for much of the day yesterday, especially after 12pm.
5/31/2014 7:00 AM 0.00 0.0 M M M
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 7:00 AM 0.00 0.0 M M M
6/4/2014 8:30 AM 0.02 M M M M clipped by a tstorm Tuesday afternoon.
6/5/2014 7:30 AM 0.49 M M M M Light to moderate rains overnight with scattered tstorms.
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
6/8/2014 7:00 AM 0.00 0.0 M M M
6/9/2014 6:00 AM 0.15 M M M M Rain overnight starting around 11pm.
6/10/2014 6:30 AM 0.00 0.0 M M M
6/11/2014 10:00 AM 0.52 M M M M Rain showers and tstorms on and off.
6/12/2014 7:00 AM 0.00 0.0 M M M
6/13/2014 8:00 AM 0.12 M M M M Sent via CoCoRaHS Observer for iOS
6/14/2014 8:00 AM 0.09 M M M M Sent via CoCoRaHS Observer for iOS
6/15/2014 8:00 AM 0.00 M M M M Sent via CoCoRaHS Observer for iOS
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 8:00 AM 0.00 0.0 M M M
6/19/2014 8:00 AM 0.47 M M M M tstorms last night with extremely frequent lightning and possible hail around 1 am
6/20/2014 8:30 AM 0.26 M M M M tstorms yesterday afternoon.
6/21/2014 7:00 AM 0.00 0.0 M M M
6/22/2014 7:00 AM 0.00 0.0 M M M
6/23/2014 7:00 AM 0.00 0.0 M M M
6/24/2014 7:00 AM 0.00 0.0 M M M
6/25/2014 7:00 AM 0.00 0.0 M M M
6/26/2014 8:00 AM 0.91 M M M M Heavy rain and frequent lightning from a line of tstorms last night that passed through the area between 10-11pm.
6/27/2014 7:00 AM 0.00 0.0 M M M
6/28/2014 7:00 AM 0.00 0.0 M M M
6/29/2014 7:00 AM 0.00 0.0 M M M
6/30/2014 7:00 AM 0.00 0.0 M M M
7/1/2014 7:00 AM 0.00 0.0 M M M
7/2/2014 7:00 AM 0.00 0.0 M M M
7/3/2014 7:00 AM 0.48 M M M M storms during the previous evening
7/4/2014 8:00 AM 0.26 M M M M late afternoon/evening tstorms
7/5/2014 8:00 AM 0.00 M M M M Sent via CoCoRaHS Observer for iOS
7/6/2014 8:00 AM 0.00 0.0 M M M
7/7/2014 7:00 AM 0.00 0.0 M M M
7/8/2014 7:00 AM 0.00 0.0 M M M
7/9/2014 8:00 AM 0.33 M M M M Sent via CoCoRaHS Observer for iOS
7/15/2014 7:00 AM 0.03 M M M M Evening tstorm.
7/16/2014 6:45 AM 0.55 M M M M Two rounds of rainfall yesterday, the first with tstorms around 2:30pm and the second with tstorms followed by stratiform rain around 7:30pm lasting until close to midnight.
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 T M M M M sprinkles around 11pm
7/21/2014 7:00 AM 0.00 0.0 M M M
7/22/2014 7:00 AM 0.00 M M M M Sent via CoCoRaHS Observer for iOS
7/23/2014 7:00 AM 0.00 0.0 M M M
7/24/2014 7:00 AM 0.20 M M M M line of storms wed night
7/25/2014 7:00 AM 0.00 0.0 M M M
7/26/2014 8:00 AM 0.02 M M M M light rain early this morning
7/27/2014 9:00 AM 0.01 M M M M morning shower around 6am
7/28/2014 8:30 AM 0.10 M M M M tstorms around midnight with passage of frontal boundary.
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 8:00 AM 0.00 M M M M Sent via CoCoRaHS Observer for iOS
8/1/2014 7:00 AM 0.00 0.0 M M M
8/2/2014 9:00 AM 0.16 M M M M rain after midnight.
8/3/2014 7:00 AM 0.10 M M M M light rain overnight, still misting this morning.
8/4/2014 7:00 AM 0.19 M M M M Sent via CoCoRaHS Observer for iOS
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
8/11/2014 7:00 AM 0.00 0.0 M M M
8/12/2014 7:30 AM 0.05 M M M M light rain in the evening. additional showers this morning.
8/13/2014 7:00 AM 5.04 M M M M rain for most of the day yesterday. very heavy during midday.
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 M M M M Sent via CoCoRaHS Observer for iOS
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 0.05 M M M M Light rain fell yesterday late afternoon/evening.
8/22/2014 7:00 AM 0.00 0.0 M M M
8/23/2014 7:00 AM 0.00 0.0 M M M
8/24/2014 8:00 AM 0.41 M M M M Rain for much of the day Saturday.
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 8:00 AM 0.24 M M M M tstorms yesterday evening.
9/2/2014 7:00 AM 0.00 0.0 M M M
9/3/2014 9:00 AM 0.34 M M M M multiple rounds of tstorms yesterday.
9/4/2014 9:00 AM 0.00 M M M M Sent via CoCoRaHS Observer for iOS
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 8:00 AM 0.95 M M M M heavy rain from multiple rounds of tstorms sat evening.
9/8/2014 7:00 AM 0.00 0.0 M M M
9/9/2014 7:00 AM T M M M M light drizzle last night around midnight. no accumulation in gauge.
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
9/14/2014 8:00 AM 0.17 M M M M Light-moderate rains on Saturday.
9/15/2014 7:00 AM 0.00 0.0 M M M
9/16/2014 7:00 AM 0.00 0.0 M M M
9/17/2014 7:00 AM 0.00 0.0 M M M
9/18/2014 7:00 AM 0.00 0.0 M M M
9/19/2014 7:00 AM 0.00 0.0 M M M
9/20/2014 7:00 AM 0.00 0.0 M M M
9/21/2014 7:00 AM 0.00 0.0 M M M
9/22/2014 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 6:30 AM 0.33 M M M M Light-moderate rain overnight and this morning
9/26/2014 6:30 AM 0.59 M M M M Rain during the day. Heaviest between 6:30am and 9:30am.
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 8:00 AM 0.01 M M M M Sent via CoCoRaHS Observer for iOS



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
10/19/2013 10/28/2013 8:00 AM 10 0.00 M M No precip during my 10 day vacation.
11/26/2013 11/27/2013 8:00 AM 2 2.34 0.0 0.00 Rainfall with coastal low pressure system. Possibly some brief sleet or freezing rain to start the event on the morning of Nov.26th but could not verify. Surface temps remained in low-mid 30s for most of the day before rising about 15 degrees between 7:30pm and midnight,from 34F to a midnight high of 49F as a warm front backed into the local area. The majority of the rain fell between 4pm on the 26th and 6am on the 27th.
12/22/2013 12/23/2013 9:30 AM 2 0.81 0.0 0.00 Had 0.19" from rains on Sunday and 0.62" of rain on Monday morning prior to checking the gauge. Still raining this morning.
12/26/2013 12/28/2013 7:00 AM 3 0.00 0.0 M No precip in gauge from Dec. 25th to Dec. 28th while I was away. There may have been some light snow showers over northern MD during the day on Dec. 26th but could not verify that anything fell at my location.
1/14/2014 1/15/2014 9:00 AM 2 0.32 0.0 M Rain and drizzle for much of the day Tuesday 1/14. Tapered off by evening but then had another shower come through sometime overnight or early this morning adding another 0.01".
1/31/2014 2/02/2014 8:00 AM 3 0.00 0.0 M
2/22/2014 2/23/2014 6:30 PM 2 0.20 0.0 M Precip amount estimated based on surrounding gauges and my own visual observations while driving north towards PA. Moderate rain was falling at my gauge location when I was leaving for the weekend and a line of tstorms was crossing the region but upon return Sunday my gauge was empty. Warm and sunny days on Sat/Sun apparently evaporated any accumulated precip that I had fall.
5/18/2014 5/19/2014 8:00 AM 2 0.00 M M No precip while we were away in Philadelphia.
7/10/2014 7/14/2014 3:00 PM 5 0.81 M M Tstorms on Thursday July 10th into early morning onf Friday July 11th (evening and night) and Sunday July 13th (evening and night). Strong winds and lightning asscd with storms.
8/5/2014 8/07/2014 7:00 AM 3 0.03 M M Light rain amounts while away in Philadelphia.



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