Station Overview Station Location
Station Number MD-SM-1 Latitude 38.120792
Station Name Ridge 1.0 N Longitude -76.365055
County St. Mary's Elevation (ft) 79



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 11 3.50 3.69 31 3.69 31 0.00 0 0 11 2 0.0 0 0
Nov 11 3.20 4.05 30 4.05 30 0.00 0 0 12 0 0.0 0 0
Dec 11 3.41 2.21 31 2.21 31 0.00 0 0 7 3 0.0 0 0
Jan 12 3.22 1.94 31 1.94 31 0.00 0 0 11 2 0.3 2 0
Feb 12 2.94 1.90 29 1.90 29 0.00 0 0 9 0 1.4 2 2
March 12 4.19 3.74 31 3.74 31 0.00 0 0 10 0 1.3 1 0
April 12 3.38 4.11 30 4.11 30 0.00 0 0 7 0 0.0 0 0
May 12 3.95 2.22 31 2.22 31 0.00 0 0 11 0 0.0 0 0
June 12 3.78 3.04 30 3.04 30 0.00 0 0 11 0 0.0 0 0
July 12 4.27 5.35 31 5.35 31 0.00 0 0 12 0 0.0 0 0
Aug 12 4.04 5.52 31 5.52 31 0.00 0 0 9 0 0.0 0 0
Sept 12 3.91 4.34 30 4.34 30 0.00 0 0 8 1 0.0 0 0
Water Year Totals: 43.79" 42.11" 366 days 42.11" 366 0.00" 0 days 0 118 days 8 days 3.0" 5 days 2 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
10/1/2011 0.34
10/2/2011 0.62
10/3/2011 0.03
10/4/2011 0.00
10/5/2011 0.00
10/6/2011 0.00
10/7/2011 0.00
10/8/2011 0.00
10/9/2011 0.00
10/10/2011 0.00
10/11/2011 0.00
10/12/2011 0.06
10/13/2011 0.37
10/14/2011 0.02
10/15/2011 0.04
10/16/2011 0.00
10/17/2011 0.00
10/18/2011 0.00
10/19/2011 0.44
10/20/2011 0.28
10/21/2011 0.00
10/22/2011 0.00
10/23/2011 0.00
10/24/2011 T
10/25/2011 0.00
10/26/2011 0.00
10/27/2011 T
10/28/2011 0.00
10/29/2011 0.68
10/30/2011 0.81
10/31/2011 0.00
11/1/2011 0.15
11/2/2011 0.00
11/3/2011 0.00
11/4/2011 0.01
11/5/2011 0.01
11/6/2011 0.00
11/7/2011 0.00
11/8/2011 0.00
11/9/2011 0.00
11/10/2011 0.00
11/11/2011 0.02
11/12/2011 0.00
11/13/2011 0.00
11/14/2011 0.00
11/15/2011 0.00
11/16/2011 0.01
11/17/2011 2.08
11/18/2011 0.20
11/19/2011 0.00
11/20/2011 0.00
11/21/2011 0.06
11/22/2011 0.15
11/23/2011 0.80
11/24/2011 0.00
11/25/2011 0.00
11/26/2011 0.00
11/27/2011 0.00
11/28/2011 0.00
11/29/2011 0.10
11/30/2011 0.46
12/1/2011 0.00
12/2/2011 0.00
12/3/2011 0.00
12/4/2011 0.00
12/5/2011 0.00
12/6/2011 T
12/7/2011 0.14
12/8/2011 0.97
12/9/2011 0.00
12/10/2011 T
12/11/2011 0.00
12/12/2011 0.00
12/13/2011 0.00
12/14/2011 0.00
12/15/2011 0.00
12/16/2011 0.00
12/17/2011 0.03
12/18/2011 0.00
12/19/2011 T
12/20/2011 0.00
12/21/2011 0.01
12/22/2011 0.24
12/23/2011 0.36
12/24/2011 0.00
12/25/2011 0.00
12/26/2011 0.00
12/27/2011 0.00
12/28/2011 0.46
12/29/2011 0.00
12/30/2011 0.00
12/31/2011 0.00
Day of YearDaily PrcpMultiday Prcp
1/1/2012 0.00
1/2/2012 0.00
1/3/2012 T
1/4/2012 T
1/5/2012 0.01
1/6/2012 0.00
1/7/2012 0.00
1/8/2012 0.00
1/9/2012 0.00
1/10/2012 0.21
1/11/2012 0.00
1/12/2012 0.57
1/13/2012 0.00
1/14/2012 0.00
1/15/2012 0.00
1/16/2012 0.00
1/17/2012 0.18
1/18/2012 0.08
1/19/2012 0.00
1/20/2012 0.00
1/21/2012 0.19
1/22/2012 0.40
1/23/2012 0.05
1/24/2012 0.05
1/25/2012 0.00
1/26/2012 0.00
1/27/2012 0.03
1/28/2012 0.17
1/29/2012 0.00
1/30/2012 0.00
1/31/2012 0.00
2/1/2012 0.00
2/2/2012 0.30
2/3/2012 0.00
2/4/2012 0.00
2/5/2012 0.09
2/6/2012 0.00
2/7/2012 0.00
2/8/2012 0.00
2/9/2012 0.05
2/10/2012 0.00
2/11/2012 0.05
2/12/2012 0.09
2/13/2012 0.00
2/14/2012 0.00
2/15/2012 0.00
2/16/2012 0.00
2/17/2012 0.00
2/18/2012 0.00
2/19/2012 0.00
2/20/2012 0.73
2/21/2012 0.00
2/22/2012 0.00
2/23/2012 0.24
2/24/2012 0.02
2/25/2012 0.33
2/26/2012 0.00
2/27/2012 0.00
2/28/2012 0.00
2/29/2012 0.00
3/1/2012 1.61
3/2/2012 0.00
3/3/2012 0.47
3/4/2012 0.00
3/5/2012 0.00
3/6/2012 0.27
3/7/2012 0.00
3/8/2012 0.00
3/9/2012 0.00
3/10/2012 0.00
3/11/2012 0.00
3/12/2012 0.00
3/13/2012 0.26
3/14/2012 0.00
3/15/2012 0.00
3/16/2012 0.10
3/17/2012 0.00
3/18/2012 0.00
3/19/2012 0.00
3/20/2012 0.00
3/21/2012 0.47
3/22/2012 0.00
3/23/2012 0.00
3/24/2012 0.35
3/25/2012 0.17
3/26/2012 0.01
3/27/2012 0.00
3/28/2012 0.00
3/29/2012 0.03
3/30/2012 0.00
3/31/2012 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2012 0.03
4/2/2012 0.05
4/3/2012 0.00
4/4/2012 0.00
4/5/2012 0.00
4/6/2012 0.00
4/7/2012 0.00
4/8/2012 0.00
4/9/2012 0.00
4/10/2012 0.00
4/11/2012 0.00
4/12/2012 0.00
4/13/2012 0.00
4/14/2012 0.00
4/15/2012 0.00
4/16/2012 0.00
4/17/2012 0.00
4/18/2012 0.00
4/19/2012 0.08
4/20/2012 0.00
4/21/2012 0.00
4/22/2012 0.26
4/23/2012 2.25
4/24/2012 0.00
4/25/2012 0.00
4/26/2012 0.00
4/27/2012 0.32
4/28/2012 0.00
4/29/2012 1.12
4/30/2012 0.00
5/1/2012 0.00
5/2/2012 0.63
5/3/2012 0.03
5/4/2012 0.00
5/5/2012 0.00
5/6/2012 0.00
5/7/2012 0.00
5/8/2012 0.00
5/9/2012 0.01
5/10/2012 0.19
5/11/2012 0.00
5/12/2012 0.00
5/13/2012 0.00
5/14/2012 0.11
5/15/2012 0.43
5/16/2012 0.16
5/17/2012 0.00
5/18/2012 0.00
5/19/2012 0.00
5/20/2012 0.00
5/21/2012 0.01
5/22/2012 0.00
5/23/2012 0.00
5/24/2012 0.34
5/25/2012 0.00
5/26/2012 0.00
5/27/2012 0.00
5/28/2012 0.00
5/29/2012 0.00
5/30/2012 0.13
5/31/2012 0.18
6/1/2012 0.02
6/2/2012 2.14
6/3/2012 0.00
6/4/2012 0.00
6/5/2012 0.16
6/6/2012 0.00
6/7/2012 0.01
6/8/2012 0.17
6/9/2012 0.00
6/10/2012 0.00
6/11/2012 0.00
6/12/2012 0.11
6/13/2012 0.19
6/14/2012 0.00
6/15/2012 0.00
6/16/2012 0.00
6/17/2012 0.00
6/18/2012 0.00
6/19/2012 0.03
6/20/2012 0.00
6/21/2012 0.00
6/22/2012 0.00
6/23/2012 0.03
6/24/2012 0.03
6/25/2012 0.00
6/26/2012 0.00
6/27/2012 0.00
6/28/2012 0.00
6/29/2012 0.00
6/30/2012 0.15
Day of YearDaily PrcpMultiday Prcp
7/1/2012 0.00
7/2/2012 0.06
7/3/2012 0.21
7/4/2012 0.00
7/5/2012 0.00
7/6/2012 0.00
7/7/2012 0.00
7/8/2012 0.00
7/9/2012 0.10
7/10/2012 1.98
7/11/2012 0.00
7/12/2012 0.00
7/13/2012 0.00
7/14/2012 0.00
7/15/2012 0.09
7/16/2012 0.36
7/17/2012 0.28
7/18/2012 0.00
7/19/2012 1.02
7/20/2012 0.00
7/21/2012 0.00
7/22/2012 0.00
7/23/2012 0.00
7/24/2012 0.00
7/25/2012 0.00
7/26/2012 0.00
7/27/2012 0.00
7/28/2012 0.05
7/29/2012 0.25
7/30/2012 0.02
7/31/2012 0.93
8/1/2012 0.76
8/2/2012 0.00
8/3/2012 0.00
8/4/2012 0.00
8/5/2012 0.00
8/6/2012 0.00
8/7/2012 0.00
8/8/2012 0.33
8/9/2012 0.00
8/10/2012 0.02
8/11/2012 0.13
8/12/2012 0.53
8/13/2012 0.00
8/14/2012 0.00
8/15/2012 0.00
8/16/2012 0.00
8/17/2012 0.00
8/18/2012 0.17
8/19/2012 0.00
8/20/2012 0.03
8/21/2012 0.00
8/22/2012 0.00
8/23/2012 0.00
8/24/2012 0.00
8/25/2012 0.00
8/26/2012 0.98
8/27/2012 2.57
8/28/2012 0.00
8/29/2012 0.00
8/30/2012 0.00
8/31/2012 0.00
9/1/2012 0.00
9/2/2012 T
9/3/2012 0.00
9/4/2012 0.06
9/5/2012 0.00
9/6/2012 0.04
9/7/2012 1.24
9/8/2012 0.00
9/9/2012 0.81
9/10/2012 0.00
9/11/2012 0.00
9/12/2012 0.00
9/13/2012 0.00
9/14/2012 0.00
9/15/2012 0.00
9/16/2012 0.00
9/17/2012 0.00
9/18/2012 0.01
9/19/2012 1.77
9/20/2012 0.00
9/21/2012 0.00
9/22/2012 0.00
9/23/2012 0.01
9/24/2012 0.00
9/25/2012 0.00
9/26/2012 0.00
9/27/2012 0.00
9/28/2012 0.00
9/29/2012 0.40
9/30/2012 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2011 7:00 AM 0.34 M M M M Partly cloudy and much cooler. Rain from last night.
10/2/2011 7:00 AM 0.62 M M M M Cloudy, cold and breezy
10/3/2011 7:00 AM 0.03 M M M M Cloudy and breezy
10/4/2011 7:00 AM 0.00 0.0 M M M Partly cloudy and warmer
10/5/2011 7:00 AM 0.00 0.0 M M M Clear skies.
10/6/2011 7:00 AM 0.00 0.0 M M M Clear skies.
10/7/2011 7:00 AM 0.00 0.0 M M M Cool, clear, cripsy morning.
10/8/2011 7:00 AM 0.00 0.0 M M M Clear and sunny
10/9/2011 7:00 AM 0.00 0.0 M M M Clear, sunny and warmer
10/10/2011 7:00 AM 0.00 0.0 M M M Clear skies.
10/11/2011 7:00 AM 0.00 0.0 M M M Clear with scattered FOG.
10/12/2011 7:00 AM 0.06 M M M M Dark and overcast.
10/13/2011 7:00 AM 0.37 M M M M Dark, foggy with light drizzle.
10/14/2011 7:00 AM 0.02 M M M M Cloudy skies.
10/15/2011 7:00 AM 0.04 M M M M Clear and warmer, rain shower yesterday.
10/16/2011 7:00 AM 0.00 0.0 M M M Clear and breezy
10/17/2011 7:00 AM 0.00 0.0 M M M Cloudy this morning.
10/18/2011 7:00 AM 0.00 0.0 M M M Mostly clear skies.
10/19/2011 7:00 AM 0.44 M M M M Dark and overcast with drizzle.
10/20/2011 7:00 AM 0.28 M M M M Clearing skies, rain from yesterday.
10/21/2011 7:00 AM 0.00 0.0 M M M Clear skies, breezy
10/22/2011 7:00 AM 0.00 0.0 M M M Partly cloudy skies, calmer
10/23/2011 7:00 AM 0.00 0.0 M M M Clear and colder.
10/24/2011 7:00 AM T M M M M Cloudy skies. Trace from yesterday afternoon.
10/25/2011 7:00 AM 0.00 0.0 M M M Partly cloudy skies and pleasant
10/26/2011 7:00 AM 0.00 0.0 M M M Partly cloudy and pleasant.
10/27/2011 7:00 AM T M M M M Partly cloudy skies. Few drops yesterday evening.
10/28/2011 7:00 AM 0.00 0.0 M M M Partly cloudy and much colder.
10/29/2011 7:00 AM 0.68 M M M M Moderate rain with gray overcast skies.
10/30/2011 7:00 AM 0.81 M M M M Clear skies and cold.
10/31/2011 7:00 AM 0.00 0.0 M M M Clear skies and a heavy frost. Earliest ever for this station!
11/1/2011 7:00 AM 0.15 M M M M Clear skies with light FOG. Rainfall from yesterday evening.
11/2/2011 7:00 AM 0.00 0.0 M M M Clear skies with light FOG.
11/3/2011 7:00 AM 0.00 0.0 M M M Mostly clear skies.
11/4/2011 7:00 AM 0.01 M M M M Overcast with light rain.
11/5/2011 7:00 AM 0.01 M M M M Clear skies this am. Rain from yesterday after 7am.
11/6/2011 7:00 AM 0.00 0.0 M M M Cloudy and overcast.
11/7/2011 7:00 AM 0.00 0.0 M M M Clear skies.
11/8/2011 7:00 AM 0.00 0.0 M M M Clear skies with patchy FOG.
11/9/2011 7:00 AM 0.00 0.0 M M M DENSE FOG THIS AM, thickest I've seen in years!
11/10/2011 7:00 AM 0.00 0.0 M M M Dense FOG again this morning!
11/11/2011 7:00 AM 0.02 M M M M Clear and breezy
11/12/2011 7:00 AM 0.00 0.0 M M M Partly cloudy.
11/13/2011 7:00 AM 0.00 0.0 M M M Clear skies.
11/14/2011 7:00 AM 0.00 0.0 M M M Mostly clear skies.
11/15/2011 7:00 AM 0.00 0.0 M M M Sunny to the east, mostly cloudy to the west
11/16/2011 7:00 AM 0.01 M M M M Cloudy skies with light drizzle.
11/17/2011 7:00 AM 2.08 M M M M Cloudy skies with light rain.
11/18/2011 7:00 AM 0.20 M M M M Clear, sunny and much colder
11/19/2011 7:00 AM 0.00 0.0 M M M Clear skies
11/20/2011 7:00 AM 0.00 0.0 M M M Mostly clear skies
11/21/2011 7:00 AM 0.06 M M M M Cloudy, overcast
11/22/2011 7:00 AM 0.15 M M M M Cloudy, overcast, light drizzle
11/23/2011 7:00 AM 0.80 M M M M Cloudy skies, Heavy rain earlier this morning
11/24/2011 7:00 AM 0.00 0.0 M M M Clear skies.
11/25/2011 7:00 AM 0.00 0.0 M M M Clear skies.
11/26/2011 7:00 AM 0.00 0.0 M M M Partly cloudy this morning.
11/27/2011 7:00 AM 0.00 0.0 M M M Partly cloudy skies
11/28/2011 7:00 AM 0.00 0.0 M M M Cloudy skies this morning
11/29/2011 7:00 AM 0.10 M M M M Cloudy skies
11/30/2011 7:00 AM 0.46 M M M M Clear skies
12/1/2011 7:00 AM 0.00 0.0 M M M Clear and cold.
12/2/2011 7:00 AM 0.00 0.0 M M M Clear and cold with scattered frost.
12/3/2011 7:00 AM 0.00 0.0 M M M Clear skies.
12/4/2011 7:00 AM 0.00 0.0 M M M Clear skies.
12/5/2011 7:00 AM 0.00 0.0 M M M Cloudy with scattered Dense Fog.
12/6/2011 7:00 AM T M M M M Partly cloudy skies.
12/7/2011 7:00 AM 0.14 M M M M Overcast. What rain?
12/8/2011 7:00 AM 0.97 M M M M Clear skies and much colder
12/9/2011 7:00 AM 0.00 0.0 M M M Clear skies.
12/10/2011 7:00 AM T M M M M Cler\ar skies, drizzle from yesterday evening.
12/11/2011 7:00 AM 0.00 0.0 M M M Clear and cold
12/12/2011 7:00 AM 0.00 0.0 M M M Clear and cold with frost
12/13/2011 7:00 AM 0.00 0.0 M M M Clear, cold and Frosty
12/14/2011 7:00 AM 0.00 0.0 M M M Cloudy skies this morning.
12/15/2011 7:00 AM 0.00 0.0 M M M Partly cloudy and warmer
12/16/2011 7:00 AM 0.00 0.0 M M M Partly cloudy skies
12/17/2011 7:00 AM 0.03 M M M M Clear skies this am, Rain/SLEET from yesterday evening
12/18/2011 7:00 AM 0.00 0.0 M M M Partly cloudy skies this am
12/19/2011 7:00 AM T T 0.00 0.0 0.00 Clear skies, brief Snow flurries yesterday afternoon
12/20/2011 7:00 AM 0.00 0.0 M M M Clear skies.
12/21/2011 7:00 AM 0.01 M M M M Overcast with light rain.
12/22/2011 7:00 AM 0.24 M M M M Mostly cloudy skies
12/23/2011 7:00 AM 0.36 M M M M Clearing skies and colder
12/24/2011 7:00 AM 0.00 0.0 M M M Cloudy skies
12/25/2011 7:00 AM 0.00 0.0 M M M Overcast, but sunny
12/26/2011 7:00 AM 0.00 0.0 M M M Clear skies
12/27/2011 7:00 AM 0.00 0.0 M M M Cloudy skies this morning
12/28/2011 7:00 AM 0.46 M M M M Partly cloudy skies.
12/29/2011 7:00 AM 0.00 0.0 M M M Partly cloudy skies
12/30/2011 7:00 AM 0.00 0.0 M M M Clear skies
12/31/2011 7:00 AM 0.00 0.0 M M M Clear skies this am
1/1/2012 7:00 AM 0.00 0.0 M M M Clear skies
1/2/2012 7:00 AM 0.00 0.0 M M M Mostly clear skies, a few clouds.
1/3/2012 7:00 AM T T T T T Clear skies this morning, snow flurries last night!
1/4/2012 7:00 AM T T T M M Partly cloudy skies, snow flurries yesterday afternoon.
1/5/2012 7:00 AM 0.01 0.1 0.01 T M Cloudy skies this morning. Snow flurries earlier this morning.
1/6/2012 7:00 AM 0.00 0.0 M M M Clear skie
1/7/2012 7:00 AM 0.00 0.0 M M M Clear skies
1/8/2012 7:00 AM 0.00 0.0 M M M Mostly clear with a few high clouds
1/9/2012 7:00 AM 0.00 0.0 M M M Cloudy skies
1/10/2012 7:00 AM 0.21 T T 0.0 0.00 Dense Fog this morning. Snow flurries yesterday afternoon from 1:05pm to 2:45pm, than a mix of rain/snow, than all rain until 6:10pm.
1/11/2012 7:00 AM 0.00 0.0 M M M Partly cloudy skies, patchy FOG this am
1/12/2012 7:00 AM 0.57 M M M M Cloudy skies this am.
1/13/2012 7:00 AM 0.00 0.0 M M M Clear, colder and windy
1/14/2012 7:00 AM 0.00 0.0 M M M Clear and cold
1/15/2012 7:00 AM 0.00 0.0 M M M Clear and cold
1/16/2012 7:00 AM 0.00 0.0 M M M Clear and cold, Frosty morning
1/17/2012 7:00 AM 0.18 M M M M Overcast, light rain.
1/18/2012 7:00 AM 0.08 M M M M Clear skies. Remaining rain from yesterday.
1/19/2012 7:00 AM 0.00 0.0 M M M Clear and cold
1/20/2012 7:00 AM 0.00 0.0 M M M Clear skies
1/21/2012 7:00 AM 0.19 0.2 0.01 0.0 0.00 Moderate rain and fog. Snow flurries last night from 10:35pm to 11:15pm.
1/22/2012 7:00 AM 0.40 0.0 0.00 0.0 0.00 Cloudy skies
1/23/2012 7:00 AM 0.05 M M M M FOG and MIST this morning.
1/24/2012 7:00 AM 0.05 M M M M Clear skies
1/25/2012 7:00 AM 0.00 0.0 M M M Clear skies, with a heavy frost
1/26/2012 7:00 AM 0.00 0.0 M M M Cloudy skies.
1/27/2012 7:00 AM 0.03 M M M M Overcast with light rain
1/28/2012 7:00 AM 0.17 M M M M Clear skies. Rain from yesterday
1/29/2012 7:00 AM 0.00 0.0 M M M Clear skies
1/30/2012 7:00 AM 0.00 0.0 M M M Clear skies.
1/31/2012 7:00 AM 0.00 0.0 M M M Clear skies.
2/1/2012 7:00 AM 0.00 0.0 M M M Clear skies.
2/2/2012 7:00 AM 0.30 M M M M Cloudy skies, light rain
2/3/2012 7:00 AM 0.00 0.0 M M M Clear skies
2/4/2012 7:00 AM 0.00 0.0 M M M Partly cloudy skies.
2/5/2012 7:00 AM 0.09 M M M M Cloudy skies.
2/6/2012 7:00 AM 0.00 0.0 M M M Mostly clear, heavy freeze this am. Thick Frost everywhere...looks like it snowed.
2/7/2012 7:00 AM 0.00 0.0 M M M Clear skies.
2/8/2012 7:00 AM 0.00 0.0 M M M Cloudy skies
2/9/2012 7:00 AM 0.05 M M M M Cloudy, rain before 7am
2/10/2012 7:00 AM 0.00 0.0 M M M Clear skies
2/11/2012 7:00 AM 0.05 M M M M Cloudy and light rain.
2/12/2012 7:00 AM 0.09 0.5 0.03 0.5 0.03 Clear skies this am. Rain yesterday morning to around 3pm. Then Snow yesterday afternoon from 4:54-5:15pm = 0.2" (melted 0.02"), than snow again from 11:45pm to 2:00am with an additional 0.3" of Snow (melted 0.01")
2/13/2012 7:00 AM 0.00 0.0 M T 0.00 Clear skies
2/14/2012 7:00 AM 0.00 0.0 M T 0.00 Clear skies
2/15/2012 7:00 AM 0.00 0.0 M M M Partly cloudy skies.
2/16/2012 7:00 AM 0.00 0.0 M M M Overcast skies, no rain yet
2/17/2012 7:00 AM 0.00 0.0 M M M Clear skies this am, Heavy FOG
2/18/2012 7:00 AM 0.00 0.0 M M M Clear skies and colder
2/19/2012 7:00 AM 0.00 0.0 M M M Cloudy and cold
2/20/2012 7:00 AM 0.73 0.9 0.33 0.5 0.18 Mostly clear skies. Rain/snow mix most of yesterday afternoon.
2/21/2012 7:00 AM 0.00 0.0 0.00 T 0.00 Clear skies, heavy morning FROST.
2/22/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00 Partly cloudy skies
2/23/2012 7:00 AM 0.24 0.0 0.00 0.0 0.00 Mostly clear skies.
2/24/2012 7:00 AM 0.02 M M M M Overcast this morning, with very light drizzle. Thunderstorm this am.
2/25/2012 7:00 AM 0.33 0.0 0.00 0.0 0.00 Clear skies this am. Thunderstorm yesterday afternoon.
2/26/2012 7:00 AM 0.00 0.0 M M M Clear, cold and breezy
2/27/2012 7:00 AM 0.00 0.0 M M M Clear skies with Frost this am
2/28/2012 7:00 AM 0.00 0.0 M M M Clear skies
2/29/2012 7:00 AM 0.00 0.0 M M M Cloudy, overcast, no rain yet
3/1/2012 7:00 AM 1.61 0.0 0.00 0.0 0.00 Clear skies, two rain events yesterday, later one a thunderstorm
3/2/2012 7:00 AM 0.00 0.0 M M M Partly cloudy skies
3/3/2012 7:00 AM 0.47 M M M M Cloudy, overcast skies
3/4/2012 7:00 AM 0.00 0.0 M M M Clear skies
3/5/2012 7:00 AM 0.00 0.0 M M M Cloudy skies, no snow yet!
3/6/2012 7:00 AM 0.27 1.3 0.27 T 0.00 Clear skies and cold. Snow yesterday.
3/7/2012 7:00 AM 0.00 0.0 M T 0.00 Clear skies
3/8/2012 7:00 AM 0.00 0.0 M M M Partly cloudy skies
3/9/2012 7:00 AM 0.00 0.0 M M M Cloudy and overcast
3/10/2012 7:00 AM 0.00 0.0 M M M Clear and cold
3/11/2012 7:00 AM 0.00 0.0 M M M Clear skies
3/12/2012 7:00 AM 0.00 0.0 M M M Clear skies
3/13/2012 7:00 AM 0.26 M M M M Overcast and raining
3/14/2012 7:00 AM 0.00 0.0 M M M Clear and continued warm and mild
3/15/2012 7:00 AM 0.00 0.0 M M M Clear and warm
3/16/2012 7:00 AM 0.10 M M M M Foggy this am, thunderstorm yesterday afternoon
3/17/2012 7:00 AM 0.00 0.0 M M M Clear skies with patchy FOG
3/18/2012 7:00 AM 0.00 0.0 M M M Cloudy this am
3/19/2012 7:00 AM 0.00 0.0 M M M Clear skies
3/20/2012 7:00 AM 0.00 0.0 M M M Dense FOG this morning
3/21/2012 7:00 AM 0.47 0.0 0.00 0.0 0.00 Dense FOG this morning, second morning in a row
3/22/2012 7:00 AM 0.00 0.0 M M M Dense Fog this am again, third morning in a row!
3/23/2012 7:00 AM 0.00 0.0 M M M Clear skies.
3/24/2012 7:00 AM 0.35 0.0 0.00 0.0 0.00 Partly cloudy skies, thunderstorm early this morning
3/25/2012 7:00 AM 0.17 0.0 0.00 0.0 0.00 Cloudy, FOG, rain this morning
3/26/2012 7:00 AM 0.01 M M M M Clear skies this morning. Precip total from drizzle sunday morning after 7am.
3/27/2012 7:00 AM 0.00 0.0 M M M Clear skies and much colder
3/28/2012 7:00 AM 0.00 0.0 M M M Clear skies
3/29/2012 7:00 AM 0.03 M M M M Clear skies, rain yesterday afternoon
3/30/2012 7:00 AM 0.00 0.0 M M M Clear skies.
3/31/2012 7:00 AM 0.00 0.0 M M M Cloudy skies
4/1/2012 7:00 AM 0.03 M M M M Cloudy and cooler, light rain yesterday morning
4/2/2012 7:00 AM 0.05 M M M M Partly cloudy skies and windy
4/3/2012 7:00 AM 0.00 0.0 M M M Clear skies and warmer
4/4/2012 7:00 AM 0.00 0.0 M M M Clear and mild
4/5/2012 7:00 AM 0.00 0.0 M M M Clear skies.
4/6/2012 7:00 AM 0.00 0.0 M M M Clear and breezy
4/7/2012 7:00 AM 0.00 0.0 M M M Clear skies
4/8/2012 7:00 AM 0.00 0.0 M M M Clear skies
4/9/2012 7:00 AM 0.00 0.0 M M M Partly cloudy and breezy
4/10/2012 7:00 AM 0.00 0.0 M M M Clear skies
4/11/2012 7:00 AM 0.00 0.0 M M M Clear and colder
4/12/2012 7:00 AM 0.00 0.0 M M M Mostly cloudy and cool
4/13/2012 7:00 AM 0.00 0.0 M M M Partly cloudy and cool
4/14/2012 7:00 AM 0.00 0.0 M M M Clear, cool and breezy
4/15/2012 7:00 AM 0.00 0.0 M M M Partly cloudy
4/16/2012 7:00 AM 0.00 0.0 M M M Clear skies
4/17/2012 7:00 AM 0.00 0.0 M M M Clear and pleasant
4/18/2012 7:00 AM 0.00 0.0 M M M Cloudy skies
4/19/2012 7:00 AM 0.08 M M M M Cloudy skies, where's the rain?
4/20/2012 7:00 AM 0.00 0.0 M M M Clear skies
4/21/2012 7:00 AM 0.00 0.0 M M M Clear and warmer
4/22/2012 7:00 AM 0.26 M M M M Cloudy and rain
4/23/2012 7:00 AM 2.25 M M M M Cloudy skies, dark to the west
4/24/2012 7:00 AM 0.00 0.0 M M M Partly cloudy
4/25/2012 7:00 AM 0.00 0.0 M M M Clear skies.
4/26/2012 7:00 AM 0.00 0.0 M M M Overcast and dark, no rain yet.
4/27/2012 7:00 AM 0.32 M M M M Clear skies, rain from yesterday.
4/28/2012 7:00 AM 0.00 0.0 M M M Clear skies.
4/29/2012 7:00 AM 1.12 M M M M Cloudy and cool, thunderstorm last night.
4/30/2012 7:00 AM 0.00 0.0 M M M Cloudy skies.
5/1/2012 7:00 AM 0.00 0.0 M M M Dark skies to the west/northwest, but no rain yet.
5/2/2012 7:00 AM 0.63 M M M M Thunderstorm overhead, lots of lightning and thunder. Rain after 7am yesterday (0.10"). Thunderstorm last night at 10:22pm-10:45pm=0.28". Rain from this mornings thunderstorm (6:40am-7am)= 0.25" so far.
5/3/2012 7:00 AM 0.03 M M M M Cloudy skies, rain from yesterday after 7am
5/4/2012 7:00 AM 0.00 0.0 M M M Mostly clear skies
5/5/2012 7:00 AM 0.00 0.0 M M M Mostly cloudy skies.
5/6/2012 7:00 AM 0.00 0.0 M M M Cloudy skies, no rain yesterday or this am.
5/7/2012 7:00 AM 0.00 0.0 M M M Clear skies.
5/8/2012 7:00 AM 0.00 0.0 M M M Clear skies this morning.
5/9/2012 7:00 AM 0.01 M M M M Cloudy with a light rain starting
5/10/2012 7:00 AM 0.19 M M M M Clear and sunny!
5/11/2012 7:00 AM 0.00 0.0 M M M Clear, sunny & cool
5/12/2012 7:00 AM 0.00 0.0 M M M Clear skies
5/13/2012 7:00 AM 0.00 0.0 M M M Partly cloudy skies
5/14/2012 7:00 AM 0.11 M M M M Cloudy skies, light drizzle
5/15/2012 7:00 AM 0.43 M M M M Cloudy skies, rain during am hours
5/16/2012 7:00 AM 0.16 M M M M Cloudy skies, thunderstorm last night
5/17/2012 7:00 AM 0.00 0.0 M M M Clear skies
5/18/2012 7:00 AM 0.00 0.0 M M M Clear skies
5/19/2012 7:00 AM 0.00 0.0 M M M Clear skies
5/20/2012 7:00 AM 0.00 0.0 M M M Clear skies
5/21/2012 7:00 AM 0.01 M M M M Clear skies, light rain from 6:30-6:40am
5/22/2012 7:00 AM 0.00 0.0 M M M Clear skies
5/23/2012 7:00 AM 0.00 0.0 M M M Clear skies
5/24/2012 7:00 AM 0.34 M M M M Clear skies.
5/25/2012 7:00 AM 0.00 0.0 M M M Cloudy and foggy
5/26/2012 7:00 AM 0.00 0.0 M M M Clear skies and warmer
5/27/2012 7:00 AM 0.00 0.0 M M M Clear and much warmer
5/28/2012 7:00 AM 0.00 0.0 M M M Clear and warmer
5/29/2012 7:00 AM 0.00 0.0 M M M Clear skies
5/30/2012 7:00 AM 0.13 M M M M Overcast with light rain
5/31/2012 7:00 AM 0.18 M M M M Clear and sunny, rain from yesterday morning after 7am.
6/1/2012 7:00 AM 0.02 M M M M Overcast with light rain
6/2/2012 7:00 AM 2.14 M M M M Partly cloudy skies and cooler, three thunderstorms yesterday.
6/3/2012 7:00 AM 0.00 0.0 M M M Clear skies and cool
6/4/2012 7:00 AM 0.00 0.0 M M M Partly cloudy skies, no rain yesterday.
6/5/2012 7:00 AM 0.16 M M M M Cloudy and cool.
6/6/2012 7:00 AM 0.00 0.0 M M M Cloudy skies
6/7/2012 7:00 AM 0.01 M M M M Clear and cool
6/8/2012 7:00 AM 0.17 M M M M Clear skies this morning, Thunderstorm yesterday afternoon.
6/9/2012 7:00 AM 0.00 0.0 M M M Clear skies.
6/10/2012 7:00 AM 0.00 0.0 M M M Clear skies
6/11/2012 7:00 AM 0.00 0.0 M M M Clear skies
6/12/2012 7:00 AM 0.11 M M M M Cloudy and overcast.
6/13/2012 7:00 AM 0.19 M M M M Cloudy and overcast
6/14/2012 7:00 AM 0.00 0.0 M M M Cloudy and overcast
6/15/2012 7:00 AM 0.00 0.0 M M M Clear skies
6/16/2012 7:00 AM 0.00 0.0 M M M Clear skies
6/17/2012 7:00 AM 0.00 0.0 M M M Clear skies
6/18/2012 7:00 AM 0.00 0.0 M M M Partly cloudy
6/19/2012 7:00 AM 0.03 M M M M Partly cloudy skies, getting warmer
6/20/2012 7:00 AM 0.00 0.0 M M M Partly cloudy skies, getting warmer
6/21/2012 7:00 AM 0.00 0.0 M M M Clear and hot
6/22/2012 7:00 AM 0.00 0.0 M M M Clear skies
6/23/2012 7:00 AM 0.03 M M M M Partly cloudy skies.
6/24/2012 7:00 AM 0.03 M M M M Mostly clear and warm. Thunderstorm yesterday afternoon
6/25/2012 7:00 AM 0.00 0.0 M M M Partly cloudy skies
6/26/2012 7:00 AM 0.00 0.0 M M M Clear, cooler and breezy
6/27/2012 7:00 AM 0.00 0.0 M M M Clear and cooler
6/28/2012 7:00 AM 0.00 0.0 M M M Clear and warm
6/29/2012 7:00 AM 0.00 0.0 M M M Clear and warm
6/30/2012 7:00 AM 0.15 M M M M Clear and warm. Thunderstorm lastnight with lots of lightning, but not much rain
7/1/2012 7:00 AM 0.00 0.0 M M M Clear skies
7/2/2012 7:00 AM 0.06 M M M M Clear skies this am, rain this morning
7/3/2012 7:00 AM 0.21 M M M M Cloudy this am, thunderstorm this morning
7/4/2012 7:00 AM 0.00 0.0 M M M Clear and warm
7/5/2012 7:00 AM 0.00 0.0 M M M Clear and hot
7/6/2012 7:00 AM 0.00 0.0 M M M Clear and hot
7/7/2012 7:00 AM 0.00 0.0 M M M Clear and hot
7/8/2012 7:00 AM 0.00 0.0 M M M Clear and hot
7/9/2012 7:00 AM 0.10 M M M M Cloudy skies, thunderstorm yesterday evening, very little rain
7/10/2012 7:00 AM 1.98 M M M M Cloudy skies, Thunderstorm just ended, heavy rain from 5:30-6:15am!
7/11/2012 7:00 AM 0.00 0.0 M M M Mostly clear
7/12/2012 7:00 AM 0.00 0.0 M M M Cloudy skies
7/13/2012 7:00 AM 0.00 0.0 M M M Mostly cloudy skies
7/14/2012 7:00 AM 0.00 0.0 M M M Partly cloudy and pleasant
7/15/2012 7:00 AM 0.09 M M M M Partly cloudy, Thunderstorm yesterday afternoon
7/16/2012 7:00 AM 0.36 M M M M Mostly cloudy this morning. Thunderstorm yesterday afternoon.
7/17/2012 7:00 AM 0.28 M M M M Partly cloudy
7/18/2012 7:00 AM 0.00 0.0 M M M Clear and hot already!
7/19/2012 7:00 AM 1.02 M M M M Clear skies and hot. Two thunderstorms yesterday afternoon.
7/20/2012 7:00 AM 0.00 0.0 M M M Partly cloudy
7/21/2012 7:00 AM 0.00 0.0 M M M Overcast this morning
7/22/2012 7:00 AM 0.00 0.0 M M M Cloudy skies this morning
7/23/2012 7:00 AM 0.00 0.0 M M M Partly cloudy skies
7/24/2012 7:00 AM 0.00 0.0 M M M Clear skies
7/25/2012 7:00 AM 0.00 0.0 M M M Clear and very pleasant this morning, low humidity. Not a drop of rain yesterday!
7/26/2012 7:00 AM 0.00 0.0 M M M Clear skies
7/27/2012 7:00 AM 0.00 0.0 M M M Clear and warm
7/28/2012 7:00 AM 0.05 M M M M Clear this morning, quick shower last night.
7/29/2012 7:00 AM 0.25 M M M M Clear skies, thunderstorm last night.
7/30/2012 7:00 AM 0.02 M M M M Cloudy this morning. Quick shower yesterdat afternoon.
7/31/2012 7:00 AM 0.93 M M M M Cloudy, overcast skies, severe thunderstorm earlier this morning with lots of lightning and thunder.
8/1/2012 7:00 AM 0.76 M M M M Clear skies, thunderstorm earlier this morning.
8/2/2012 7:00 AM 0.00 0.0 M M M Clear skies this morning
8/3/2012 7:00 AM 0.00 0.0 M M M Clear and pleasant. Massive thunderstorm sat over the Potomac River near Point Lookout yesterday afternoon for hours with lots of thunder heard, but the system never moved in and dropped any rain!
8/4/2012 7:00 AM 0.00 0.0 M M M Mostly clear skies
8/5/2012 7:00 AM 0.00 0.0 M M M Mostly clear skies
8/6/2012 7:00 AM 0.00 0.0 M M M Mostly cloudy skies, no rain last night or this morning
8/7/2012 7:00 AM 0.00 0.0 M M M Mostly cloudy skies.
8/8/2012 7:00 AM 0.33 M M M M Mostly cloudy skies
8/9/2012 7:00 AM 0.00 0.0 M M M Cloudy skies
8/10/2012 7:00 AM 0.02 M M M M Overcast with light rain.
8/11/2012 7:00 AM 0.13 M M M M Cloudy and light rain
8/12/2012 7:00 AM 0.53 0.0 M M M Clear and sunny, thunderstorm yesetrday afternoon
8/13/2012 7:00 AM 0.00 0.0 M M M Clear and sunny
8/14/2012 7:00 AM 0.00 0.0 M M M Clear and hot
8/15/2012 7:00 AM 0.00 0.0 M M M Clear skies
8/16/2012 7:00 AM 0.00 0.0 M M M Clear skies
8/17/2012 7:00 AM 0.00 0.0 M M M Partly cloudy skies
8/18/2012 7:00 AM 0.17 M M M M Cloudy skies, light rainthis morning
8/19/2012 7:00 AM 0.00 0.0 M M M Partly cloudy skies
8/20/2012 7:00 AM 0.03 M M M M Cloudy skies, some rain last night
8/21/2012 7:00 AM 0.00 0.0 M M M Cloudy skies
8/22/2012 7:00 AM 0.00 0.0 M M M Clear skies
8/23/2012 7:00 AM 0.00 0.0 M M M Partly cloudy skies
8/24/2012 7:00 AM 0.00 0.0 M M M Mostly clear skies
8/25/2012 7:00 AM 0.00 0.0 M M M Cloudy skies, no rain yet.
8/26/2012 7:00 AM 0.98 M M M M Cloudy skies, Thunderstorms yesterday.
8/27/2012 7:00 AM 2.57 M M M M Parlty cloudy skies, lots of thunderstorm activity yesterday!
8/28/2012 7:00 AM 0.00 0.0 M M M Partly cloudy skies.
8/29/2012 7:00 AM 0.00 0.0 M M M Partly cloudy
8/30/2012 7:00 AM 0.00 0.0 M M M Partly cloudy and warm
8/31/2012 7:00 AM 0.00 0.0 M M M Clear skies and warmer
9/1/2012 7:00 AM 0.00 0.0 M M M Clear skies
9/2/2012 7:00 AM T M M M M Cloudy skies. A few sprinkles around Noon yesterday, that was it.
9/3/2012 7:00 AM 0.00 0.0 M M M Cloudy, looks like rain. Despite lots of thunder for hours just to the north, not a drop of rain fell yesterday!
9/4/2012 7:00 AM 0.06 M M M M Partly cloudy skies.
9/5/2012 7:00 AM 0.00 0.0 M M M Partly cloudy skies
9/6/2012 7:00 AM 0.04 M M M M Cloudy skies, Thunder and lightning this morning.
9/7/2012 7:00 AM 1.24 M M M M Clear and cooler, heavy rain yesterday afternoon.
9/8/2012 7:00 AM 0.00 0.0 M M M Cloudy skies
9/9/2012 7:00 AM 0.81 M M M M Partly cloudy skies, heavy rain yesterday afternoon
9/10/2012 7:00 AM 0.00 0.0 M M M Clear skies and refreshingly cooler!
9/11/2012 7:00 AM 0.00 0.0 M M M Clear skies
9/12/2012 7:00 AM 0.00 0.0 M M M Clear skies
9/13/2012 7:00 AM 0.00 0.0 M M M Clear skies
9/14/2012 7:00 AM 0.00 0.0 M M M Partly cloudy skies with FOG this am.
9/15/2012 7:00 AM 0.00 0.0 M M M Partly cloudy
9/16/2012 7:00 AM 0.00 0.0 M M M Cloudy skies
9/17/2012 7:00 AM 0.00 0.0 M M M Cloudy, overcast skies
9/18/2012 7:00 AM 0.01 M M M M Cloudy skies, looks like rain on the way
9/19/2012 7:00 AM 1.77 M M M M Partly cloudy skies, Heavy Rain yesterday evening
9/20/2012 7:00 AM 0.00 0.0 M M M Partly cloudy skies
9/21/2012 7:00 AM 0.00 0.0 M M M Clear skies
9/22/2012 7:00 AM 0.00 0.0 M M M Clear and cooler
9/23/2012 7:00 AM 0.01 M M M M Clear and cool. T-strm yesterday only left 0.01"
9/24/2012 7:00 AM 0.00 0.0 M M M Clear and cool
9/25/2012 7:00 AM 0.00 0.0 M M M Clear and cool
9/26/2012 7:00 AM 0.00 0.0 M M M Clear skies
9/27/2012 7:00 AM 0.00 0.0 M M M Clear skies.
9/28/2012 7:00 AM 0.00 0.0 M M M Cloudy skies
9/29/2012 7:00 AM 0.40 M M M M Cloudy and gray, looks like rain.
9/30/2012 7:00 AM 0.00 0.0 M M M Clear skies



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes



Observation Date Observation Time Notes Largest Stone Size Average Stone Size Smallest Stone Size Stone Consistency Duration Minutes Durration Accuracy Damage Timing More Rain than Hail Hail Started Largest Hail Started Angle of Impact Number of Stones on Pad Distance Between Stones on Pad Depth of Stones on Ground
5/23/2012 11:15 PM 3/8" 1/4" Pea Size 1/4" Pea Size Hard|White Ice 5 1min no damage Continuous True Same time as rain Same time as smaller hail vertical