Station Overview Station Location
Station Number MD-FR-9 Latitude 39.449333
Station Name Frederick 7.2 ENE Longitude -77.287748
County Frederick Elevation (ft) 469



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 10 3.37 4.20 31 4.20 31 0.00 0 0 12 1 0.0 0 0
Nov 10 3.45 2.63 33 0.27 28 2.36 5 2 4 0 0.0 0 0
Dec 10 3.24 1.87 31 1.23 29 0.64 2 1 4 6 1.8 2 2
Jan 11 2.85 2.00 31 2.00 31 0.00 0 0 9 5 15.9 7 4
Feb 11 2.69 2.59 28 2.59 28 0.00 0 0 9 2 3.9 1 1
March 11 3.68 5.02 31 2.16 26 2.86 5 2 7 1 0.0 0 0
April 11 3.48 8.34 30 7.96 25 0.38 5 2 13 0 0.0 0 0
May 11 4.29 2.39 31 1.69 26 0.70 5 2 11 3 0.0 0 0
June 11 3.71 1.33 30 0.88 21 0.45 9 2 7 0 0.0 0 0
July 11 3.82 4.26 31 3.74 25 0.52 6 1 6 2 0.0 0 0
Aug 11 3.06 3.78 31 3.13 18 0.65 13 2 7 1 0.0 0 0
Sept 11 4.05 9.52 31 8.42 19 1.10 12 3 14 1 0.0 0 0
Water Year Totals: 41.69" 47.93" 369 days 38.27" 307 9.66" 62 days 17 103 days 22 days 21.6" 10 days 7 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
10/1/2010 1.92
10/2/2010 0.00
10/3/2010 0.00
10/4/2010 0.32
10/5/2010 0.10
10/6/2010 0.03
10/7/2010 0.01
10/8/2010 0.00
10/9/2010 0.00
10/10/2010 0.00
10/11/2010 0.00
10/12/2010 0.01
10/13/2010 0.00
10/14/2010 0.57
10/15/2010 0.43
10/16/2010 0.00
10/17/2010 0.00
10/18/2010 0.00
10/19/2010 0.20
10/20/2010 0.01
10/21/2010 0.00
10/22/2010 0.00
10/23/2010 0.00
10/24/2010 0.00
10/25/2010 0.00
10/26/2010 T
10/27/2010 0.57
10/28/2010 0.03
10/29/2010 0.00
10/30/2010 0.00
10/31/2010 0.00
11/1/2010 0.00
11/2/2010 0.00
11/3/2010 0.00 **
11/4/2010 0.00 **
11/5/2010 0.00 0.88
11/6/2010 0.00
11/7/2010 0.00
11/8/2010 0.00
11/9/2010 0.00
11/10/2010 0.00
11/11/2010 0.00
11/12/2010 0.00
11/13/2010 0.00
11/14/2010 0.00
11/15/2010 0.00
11/16/2010 **
11/17/2010 1.48
11/18/2010 0.00
11/19/2010 0.00
11/20/2010 0.00
11/21/2010 0.00
11/22/2010 0.00
11/23/2010 0.00
11/24/2010 0.02
11/25/2010 0.15
11/26/2010 0.01
11/27/2010 0.00
11/28/2010 0.00
11/29/2010 0.00
11/30/2010 0.09
12/1/2010 0.89
12/2/2010 0.19
12/3/2010 T
12/4/2010 T
12/5/2010 0.00
12/6/2010 0.00
12/7/2010 T
12/8/2010 0.00
12/9/2010 0.00
12/10/2010 0.00
12/11/2010 0.02
12/12/2010 **
12/13/2010 0.64
12/14/2010 T
12/15/2010 0.00
12/16/2010 0.00
12/17/2010 0.13
12/18/2010 0.00
12/19/2010 0.00
12/20/2010 0.00
12/21/2010 0.00
12/22/2010 0.00
12/23/2010 0.00
12/24/2010 0.00
12/25/2010 0.00
12/26/2010 T
12/27/2010 T
12/28/2010 0.00
12/29/2010 0.00
12/30/2010 0.00
12/31/2010 0.00
Day of YearDaily PrcpMultiday Prcp
1/1/2011 0.00
1/2/2011 0.00
1/3/2011 0.02
1/4/2011 0.00
1/5/2011 0.00
1/6/2011 0.00
1/7/2011 T
1/8/2011 0.05
1/9/2011 T
1/10/2011 0.00
1/11/2011 0.00
1/12/2011 0.21
1/13/2011 0.00
1/14/2011 0.00
1/15/2011 0.00
1/16/2011 0.00
1/17/2011 0.00
1/18/2011 0.45
1/19/2011 0.07
1/20/2011 0.00
1/21/2011 0.01
1/22/2011 T
1/23/2011 0.00
1/24/2011 0.00
1/25/2011 0.00
1/26/2011 0.15
1/27/2011 0.97
1/28/2011 T
1/29/2011 0.07
1/30/2011 T
1/31/2011 0.00
2/1/2011 T
2/2/2011 0.90
2/3/2011 0.01
2/4/2011 0.00
2/5/2011 0.17
2/6/2011 0.06
2/7/2011 0.00
2/8/2011 0.00
2/9/2011 T
2/10/2011 0.00
2/11/2011 0.00
2/12/2011 0.00
2/13/2011 0.00
2/14/2011 0.00
2/15/2011 0.00
2/16/2011 0.00
2/17/2011 0.00
2/18/2011 0.00
2/19/2011 0.00
2/20/2011 0.00
2/21/2011 0.04
2/22/2011 0.71
2/23/2011 0.00
2/24/2011 0.00
2/25/2011 0.39
2/26/2011 0.07
2/27/2011 0.00
2/28/2011 0.24
3/1/2011 0.26
3/2/2011 0.00
3/3/2011 0.00
3/4/2011 0.00
3/5/2011 0.00
3/6/2011 **
3/7/2011 2.24
3/8/2011 0.00
3/9/2011 0.00
3/10/2011 0.31
3/11/2011 0.94
3/12/2011 0.01
3/13/2011 0.00
3/14/2011 0.00
3/15/2011 0.00
3/16/2011 0.19
3/17/2011 0.00
3/18/2011 0.00
3/19/2011 0.00
3/20/2011 0.00
3/21/2011 0.18
3/22/2011 **
3/23/2011 **
3/24/2011 0.62
3/25/2011 0.00
3/26/2011 0.00
3/27/2011 T
3/28/2011 0.00
3/29/2011 0.00
3/30/2011 0.00
3/31/2011 0.27
Day of YearDaily PrcpMultiday Prcp
4/1/2011 0.29
4/2/2011 **
4/3/2011 **
4/4/2011 0.14
4/5/2011 0.45
4/6/2011 0.00
4/7/2011 0.00
4/8/2011 0.18
4/9/2011 0.33
4/10/2011 0.00
4/11/2011 0.00
4/12/2011 0.05
4/13/2011 1.13
4/14/2011 0.02
4/15/2011 0.00
4/16/2011 0.00
4/17/2011 1.17
4/18/2011 0.00
4/19/2011 0.02
4/20/2011 0.47
4/21/2011 0.00
4/22/2011 0.00
4/23/2011 0.29
4/24/2011 **
4/25/2011 0.24
4/26/2011 0.00
4/27/2011 0.00
4/28/2011 2.33
4/29/2011 1.23
4/30/2011 0.00
5/1/2011 0.00
5/2/2011 0.10
5/3/2011 0.00
5/4/2011 0.49
5/5/2011 0.11
5/6/2011 0.00
5/7/2011 **
5/8/2011 **
5/9/2011 0.02
5/10/2011 0.00
5/11/2011 0.00
5/12/2011 0.00
5/13/2011 T
5/14/2011 T
5/15/2011 **
5/16/2011 0.68
5/17/2011 0.08
5/18/2011 0.12
5/19/2011 0.15
5/20/2011 0.24
5/21/2011 0.02
5/22/2011 0.00
5/23/2011 0.10
5/24/2011 0.09
5/25/2011 T
5/26/2011 0.00
5/27/2011 0.00
5/28/2011 0.19
5/29/2011 0.00
5/30/2011 0.00
5/31/2011 0.00
6/1/2011 0.00
6/2/2011 0.00
6/3/2011 0.00
6/4/2011 0.00
6/5/2011 0.12
6/6/2011 0.00
6/7/2011 0.00
6/8/2011 0.00
6/9/2011 0.00
6/10/2011 0.11
6/11/2011 **
6/12/2011 **
6/13/2011 0.06
6/14/2011 0.00
6/15/2011 0.00
6/16/2011 0.01
6/17/2011 0.38
6/18/2011 0.13
6/19/2011 0.00
6/20/2011 **
6/21/2011 **
6/22/2011 **
6/23/2011 **
6/24/2011 **
6/25/2011 0.39
6/26/2011 0.00
6/27/2011 0.03
6/28/2011 0.00
6/29/2011 0.10
6/30/2011 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2011 0.00
7/2/2011 0.00
7/3/2011 2.15
7/4/2011 0.00
7/5/2011 0.02
7/6/2011 0.00
7/7/2011 0.00
7/8/2011 T
7/9/2011 1.45
7/10/2011 0.00
7/11/2011 0.00
7/12/2011 0.08
7/13/2011 0.00
7/14/2011 0.02
7/15/2011 0.00
7/16/2011 0.00
7/17/2011 0.00
7/18/2011 0.00
7/19/2011 0.00
7/20/2011 0.02
7/21/2011 0.00
7/22/2011 0.00
7/23/2011 0.00
7/24/2011 T
7/25/2011 **
7/26/2011 **
7/27/2011 **
7/28/2011 **
7/29/2011 0.52
7/30/2011 0.00
7/31/2011 **
8/1/2011 **
8/2/2011 **
8/3/2011 **
8/4/2011 **
8/5/2011 **
8/6/2011 0.21
8/7/2011 0.57
8/8/2011 0.00
8/9/2011 0.00
8/10/2011 0.15
8/11/2011 0.00
8/12/2011 0.00
8/13/2011 0.00
8/14/2011 0.05
8/15/2011 0.36
8/16/2011 **
8/17/2011 **
8/18/2011 **
8/19/2011 **
8/20/2011 **
8/21/2011 **
8/22/2011 0.44
8/23/2011 0.00
8/24/2011 0.00
8/25/2011 0.00
8/26/2011 0.15
8/27/2011 0.00
8/28/2011 1.69
8/29/2011 0.16
8/30/2011 T
8/31/2011 0.00
9/1/2011 0.00
9/2/2011 0.49
9/3/2011 0.05
9/4/2011 **
9/5/2011 0.13
9/6/2011 0.98
9/7/2011 1.00
9/8/2011 1.73
9/9/2011 1.62
9/10/2011 0.03
9/11/2011 0.00
9/12/2011 0.23
9/13/2011 0.00
9/14/2011 **
9/15/2011 0.22 **
9/16/2011 **
9/17/2011 **
9/18/2011 **
9/19/2011 0.07
9/20/2011 0.12
9/21/2011 0.00
9/22/2011 0.89
9/23/2011 **
9/24/2011 **
9/25/2011 **
9/26/2011 0.90
9/27/2011 0.41
9/28/2011 0.12
9/29/2011 0.53
9/30/2011 T



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2010 7:00 AM 1.92 M M M M heavy rain in morning and evening, rain stopped for a while in the afternoon. All the rain is much needed
10/2/2010 7:00 AM 0.00 0.0 M M M
10/3/2010 7:00 AM 0.00 0.0 M M M
10/4/2010 8:45 AM 0.32 M M M M a very wet october.
10/5/2010 7:00 AM 0.10 M M M M
10/6/2010 7:00 AM 0.03 M M M M a slight sprinkle early this morning
10/7/2010 7:00 AM 0.01 M M M M
10/8/2010 7:00 AM 0.00 0.0 M M M
10/9/2010 7:00 AM 0.00 0.0 M M M
10/10/2010 7:00 AM 0.00 0.0 M M M
10/11/2010 7:00 AM 0.00 0.0 M M M
10/12/2010 7:00 AM 0.01 M M M M
10/13/2010 7:00 AM 0.00 0.0 M M M
10/14/2010 9:25 AM 0.57 M M M M rain starting around 7:00am
10/15/2010 7:00 AM 0.43 M M M M
10/16/2010 7:00 AM 0.00 0.0 M M M
10/17/2010 7:00 AM 0.00 0.0 M M M
10/18/2010 7:00 AM 0.00 0.0 M M M
10/19/2010 7:00 AM 0.20 M M M M Most of rain fell during night, also a trace of rain around 3:00pm yesterday. Now, cool and still complete cloud cover, but the rain has stopped.
10/20/2010 7:00 AM 0.01 M M M M
10/21/2010 7:00 AM 0.00 0.0 M M M
10/22/2010 7:00 AM 0.00 0.0 M M M
10/23/2010 7:00 AM 0.00 0.0 M M M
10/24/2010 7:00 AM 0.00 0.0 M M M
10/25/2010 7:00 AM 0.00 0.0 M M M
10/26/2010 7:00 AM T M M M M not completely sure about trace. I wasn't home at the time, but a couple miles away got a sprinkling.
10/27/2010 7:00 AM 0.57 0.0 M M M all the rain must've fallen in the wee hours of the morning. It's very muggy out, about 69°F and humid... not common for early mornings in late October!!
10/28/2010 7:00 AM 0.03 M M M M slight drizzle late yesterday morning
10/29/2010 7:00 AM 0.00 0.0 M M M
10/30/2010 7:00 AM 0.00 0.0 M M M 33°F and very cold, frost across the road from us
10/31/2010 7:00 AM 0.00 0.0 M M M
11/1/2010 7:00 AM 0.00 0.0 M M M frost early, clear skies
11/2/2010 7:00 AM 0.00 0.0 M M M beautiful frost, 28°F summer is officially over.
11/3/2010 7:00 AM 0.00 0.0 M M M 26°F, a new low for the season
11/4/2010 7:00 AM 0.00 0.0 M M M
11/5/2010 7:00 AM 0.00 0.0 M M M
11/6/2010 7:00 AM 0.00 0.0 M M M
11/7/2010 7:00 AM 0.00 0.0 M M M
11/8/2010 7:00 AM 0.00 0.0 M M M
11/9/2010 7:00 AM 0.00 0.0 M M M
11/10/2010 7:00 AM 0.00 0.0 M M M
11/11/2010 7:00 AM 0.00 0.0 M M M
11/12/2010 7:00 AM 0.00 0.0 M M M
11/13/2010 7:00 AM 0.00 0.0 M M M
11/14/2010 7:00 AM 0.00 0.0 M M M
11/15/2010 7:00 AM 0.00 0.0 M M M
11/18/2010 7:00 AM 0.00 0.0 M M M
11/19/2010 7:00 AM 0.00 0.0 M M M
11/20/2010 7:00 AM 0.00 0.0 M M M
11/21/2010 7:00 AM 0.00 0.0 M M M
11/22/2010 7:00 AM 0.00 0.0 M M M very heavy fog... road was wet, but no rain
11/23/2010 7:00 AM 0.00 0.0 M M M
11/24/2010 7:00 AM 0.02 M M M M
11/25/2010 7:00 AM 0.15 M M M M
11/26/2010 7:00 AM 0.01 M M M M
11/27/2010 7:00 AM 0.00 0.0 M M M
11/28/2010 7:00 AM 0.00 0.0 M M M
11/29/2010 7:00 AM 0.00 0.0 M M M
11/30/2010 8:20 AM 0.09 0.0 0.00 M M
12/1/2010 8:40 AM 0.89 0.0 0.00 M M heavy rain this morning
12/2/2010 7:00 AM 0.19 M M M M
12/3/2010 1:00 PM T T M M M a trace of snow flurries this morning.
12/4/2010 7:00 AM T M M M M a trace of snow yesterday mid day
12/5/2010 7:00 AM 0.00 0.0 M M M
12/6/2010 7:00 AM 0.00 0.0 M M M
12/7/2010 7:00 AM T T M M M
12/8/2010 7:00 AM 0.00 0.0 M M M
12/9/2010 7:00 AM 0.00 0.0 M M M
12/10/2010 7:00 AM 0.00 0.0 M M M
12/11/2010 7:00 AM 0.02 0.5 M 0.5 M first measurable snow of the season
12/14/2010 7:00 AM T T T M M snow squalls yesterday afternoon
12/15/2010 7:00 AM 0.00 0.0 M M M
12/16/2010 7:00 AM 0.00 0.0 M M M
12/17/2010 7:00 AM 0.13 1.3 M 1.5 M second snow of the winter, nothing has melted since last night so I got a good reading. Very cold last night, 8°F, only 1° above the record low of 7°. Everything is new snow.
12/18/2010 7:00 AM 0.00 0.0 M M M
12/19/2010 7:00 AM 0.00 0.0 M M M
12/20/2010 7:00 AM 0.00 0.0 M M M
12/21/2010 7:00 AM 0.00 0.0 M M M
12/22/2010 7:00 AM 0.00 0.0 M M M
12/23/2010 7:00 AM 0.00 0.0 M M M
12/24/2010 7:00 AM 0.00 0.0 M M M
12/25/2010 7:00 AM 0.00 0.0 M M M
12/26/2010 7:00 AM T M M M M
12/27/2010 7:00 AM T M M T T no measurable precipitation yesterday. Still traces of snow from last week, but only in shady areas.
12/28/2010 7:00 AM 0.00 0.0 M M M
12/29/2010 7:00 AM 0.00 0.0 M M M
12/30/2010 7:00 AM 0.00 0.0 M M M
12/31/2010 7:00 AM 0.00 0.0 M M M
1/1/2011 7:00 AM 0.00 0.0 M M M
1/2/2011 7:00 AM 0.00 0.0 M M M
1/3/2011 7:00 AM 0.02 M M M M this is an estimate, there was a little bit of ice on the bottom of the rain gauge, but not enough really to melt and measure etc. However, I believe it was more than a trace.
1/4/2011 7:00 AM 0.00 0.0 M M M
1/5/2011 7:00 AM 0.00 0.0 M M M
1/6/2011 7:00 AM 0.00 0.0 M M M
1/7/2011 7:00 AM T T T T T Snow showers
1/8/2011 7:00 AM 0.05 1.3 M 1.5 M a beautiful coating of very light powdery snow.
1/9/2011 7:00 AM T M M M M
1/10/2011 7:00 AM 0.00 0.0 M M M
1/11/2011 7:00 AM 0.00 0.0 M M M
1/12/2011 7:00 AM 0.21 3.1 M 3.0 M our first "real" snow of the new year.
1/13/2011 7:00 AM 0.00 0.0 M M M
1/14/2011 7:00 AM 0.00 0.0 M M M
1/15/2011 7:00 AM 0.00 0.0 M M M
1/16/2011 7:00 AM 0.00 0.0 M M M
1/17/2011 7:00 AM 0.00 0.0 M M M
1/18/2011 7:00 AM 0.45 3.5 M 4.0 M a very heavy ice/snow mix, high water content, now still cloudy and some very light ice is falling.
1/19/2011 7:00 AM 0.07 M M M M
1/20/2011 7:00 AM 0.00 0.0 M M M
1/21/2011 7:00 AM 0.01 0.1 M M M light coating of snow, barely measurable though
1/22/2011 7:00 AM T T M M M Some snow squalls yesterday, but no accumulation as the snow melted on impact. This morning, bitter cold, 8°F at 7:00am
1/23/2011 7:00 AM 0.00 0.0 M M M
1/24/2011 7:00 AM 0.00 0.0 M M M 6°F this morning at 7:00
1/25/2011 7:00 AM 0.00 0.0 M M M
1/26/2011 8:00 AM 0.15 1.6 M M M I guess the possible snow showers last night turned into something! A beautiful layer of wet snow. It has mostly stopped for now.
1/27/2011 7:00 AM 0.97 5.8 M 7.5 M very heavy wet snow. Also saw some lightning last night around 8:15pm
1/28/2011 7:00 AM T M M M M
1/29/2011 7:00 AM 0.07 0.5 M M M some snow yesterday late morning and afternoon
1/30/2011 7:00 AM T T M M M
1/31/2011 7:00 AM 0.00 0.0 M M M
2/1/2011 7:00 AM T M M M M
2/2/2011 7:00 AM 0.90 0.0 M M M I have no idea when all the rain came.... it must've been sometime between 1-3am. Snow is now very slushy. Still raining slightly. 33°F
2/3/2011 7:00 AM 0.01 0.0 M M M
2/4/2011 7:00 AM 0.00 0.0 M M M
2/5/2011 11:30 AM 0.17 M M M M
2/6/2011 7:00 AM 0.06 M M M M
2/7/2011 7:00 AM 0.00 0.0 M M M
2/8/2011 7:00 AM 0.00 0.0 M M M
2/9/2011 7:00 AM T M M M M
2/10/2011 7:00 AM 0.00 0.0 M M M
2/11/2011 7:00 AM 0.00 0.0 M M M
2/12/2011 7:00 AM 0.00 0.0 M M M
2/13/2011 7:00 AM 0.00 0.0 M M M
2/14/2011 7:00 AM 0.00 0.0 M M M
2/15/2011 7:00 AM 0.00 0.0 M M M
2/16/2011 7:00 AM 0.00 0.0 M M M
2/17/2011 7:00 AM 0.00 0.0 M M M
2/18/2011 7:00 AM 0.00 0.0 M M M
2/19/2011 7:00 AM 0.00 0.0 M M M
2/20/2011 7:00 AM 0.00 0.0 M M M
2/21/2011 9:00 AM 0.04 0.0 0.00 0.0 0.00
2/22/2011 7:00 AM 0.71 3.9 M 3.9 M very quick moving storm last night. Started as ice at around 7pm
2/23/2011 7:00 AM 0.00 0.0 M M M
2/24/2011 7:00 AM 0.00 0.0 M M M
2/25/2011 8:30 AM 0.39 0.0 M T M
2/26/2011 7:00 AM 0.07 M M M M
2/27/2011 7:00 AM 0.00 0.0 M M M
2/28/2011 7:00 AM 0.24 M M M M
3/1/2011 7:00 AM 0.26 M M 0.0 M amazing thunderstorm around 10:30am yesterday morning
3/2/2011 7:00 AM 0.00 0.0 M M M
3/3/2011 7:00 AM 0.00 0.0 M M M
3/4/2011 7:00 AM 0.00 0.0 M M M
3/5/2011 7:00 AM 0.00 0.0 M M M heavy fog around 7:30-10:00
3/8/2011 7:00 AM 0.00 0.0 M M M
3/9/2011 7:00 AM 0.00 0.0 M M M
3/10/2011 9:10 AM 0.31 0.0 M 0.0 M mostly light rain now. It must've only started after midnight.
3/11/2011 7:00 AM 0.94 0.0 M 0.0 M Only .24" at 3:30 yesterday afternoon. All the rest in the evening. Thunderstorms around 7:15pm
3/12/2011 7:00 AM 0.01 0.0 M M M
3/13/2011 7:00 AM 0.00 0.0 M M M
3/14/2011 7:00 AM 0.00 0.0 M M M
3/15/2011 7:00 AM 0.00 0.0 M M M frost, 28°F
3/16/2011 7:00 AM 0.19 M M M M Rain during the night. A brief trace of rain occurred at around 6:00pm.
3/17/2011 7:00 AM 0.00 0.0 M M M
3/18/2011 7:00 AM 0.00 0.0 M M M
3/19/2011 7:00 AM 0.00 0.0 M M M
3/20/2011 7:00 AM 0.00 0.0 M M M
3/21/2011 7:40 AM 0.18 M M M M
3/25/2011 7:00 AM 0.00 0.0 M M M
3/26/2011 7:00 AM 0.00 0.0 M M M
3/27/2011 7:00 AM T T M T M Light dusting of snow.
3/28/2011 7:00 AM 0.00 0.0 M M M
3/29/2011 7:00 AM 0.00 0.0 M M M
3/30/2011 7:00 AM 0.00 0.0 M M M
3/31/2011 4:15 PM 0.27 M M M M
4/1/2011 9:00 AM 0.29 0.0 M 0.0 M Wintry mix around 3:00am, no accumulation.
4/5/2011 11:30 AM 0.45 M M M M
4/6/2011 11:00 AM 0.00 0.0 M M M
4/7/2011 7:00 AM 0.00 0.0 M M M
4/8/2011 7:00 AM 0.18 M M M M
4/9/2011 7:00 AM 0.33 M M M M
4/10/2011 7:00 AM 0.00 0.0 M M M
4/11/2011 7:00 AM 0.00 0.0 M M M
4/12/2011 7:30 AM 0.05 M M M M 0.01" fell around 8:00 last night from thunderstorm. The rest fell early this morning.
4/13/2011 9:25 AM 1.13 M M M M Most rain was yesterday morning.
4/14/2011 7:00 AM 0.02 M M M M
4/15/2011 7:00 AM 0.00 0.0 M M M
4/16/2011 7:00 AM 0.00 0.0 M M M
4/17/2011 7:00 AM 1.17 M M M M
4/18/2011 7:00 AM 0.00 0.0 M M M
4/19/2011 7:00 AM 0.02 M M M M
4/20/2011 7:00 AM 0.47 M M M M
4/21/2011 7:00 AM 0.00 0.0 M M M
4/22/2011 7:00 AM 0.00 0.0 M M M
4/23/2011 12:55 PM 0.29 M M M M
4/26/2011 7:00 AM 0.00 0.0 M M M
4/27/2011 7:00 AM 0.00 0.0 M M M
4/28/2011 7:50 AM 2.33 M M M M Very heavy rain, most of it was in the last hour. 0.10" from last night.
4/29/2011 7:00 AM 1.23 M M M M
4/30/2011 7:00 AM 0.00 0.0 M M M
5/1/2011 7:00 AM 0.00 0.0 M M M
5/2/2011 7:00 AM 0.10 M M M M
5/3/2011 7:00 AM 0.00 0.0 M M M
5/4/2011 8:30 AM 0.49 M M M M
5/5/2011 7:00 AM 0.11 M M M M
5/6/2011 7:00 AM 0.00 0.0 M M M
5/10/2011 7:00 AM 0.00 0.0 M M M
5/11/2011 7:00 AM 0.00 0.0 M M M
5/12/2011 7:00 AM 0.00 0.0 M M M
5/13/2011 7:00 AM T M M M M
5/14/2011 7:00 AM T M M M M a very light mist, not measurable.
5/17/2011 7:30 AM 0.08 M M M M
5/18/2011 9:00 AM 0.12 M M M M
5/19/2011 7:00 AM 0.15 M M M M
5/20/2011 7:00 AM 0.24 M M M M
5/21/2011 7:00 AM 0.02 M M M M
5/22/2011 7:00 AM 0.00 0.0 M M M
5/23/2011 7:00 AM 0.10 M M M M
5/24/2011 7:00 AM 0.09 M M M M
5/25/2011 7:00 AM T M M M M a few drops after observation yesterday
5/26/2011 7:00 AM 0.00 0.0 M M M
5/27/2011 7:00 AM 0.00 0.0 M M M
5/28/2011 7:00 AM 0.19 M M M M
5/29/2011 7:00 AM 0.00 0.0 M M M
5/30/2011 7:00 AM 0.00 0.0 M M M
5/31/2011 7:00 AM 0.00 0.0 M M M
6/1/2011 7:00 AM 0.00 0.0 M M M
6/2/2011 7:00 AM 0.00 0.0 M M M
6/3/2011 7:00 AM 0.00 0.0 M M M
6/4/2011 7:00 AM 0.00 0.0 M M M
6/5/2011 9:00 AM 0.12 M M M M
6/6/2011 7:00 AM 0.00 0.0 M M M
6/7/2011 7:00 AM 0.00 0.0 M M M
6/8/2011 7:00 AM 0.00 0.0 M M M
6/9/2011 7:00 AM 0.00 0.0 M M M
6/10/2011 7:00 AM 0.11 M M M M
6/14/2011 7:00 AM 0.00 0.0 M M M
6/15/2011 7:00 AM 0.00 0.0 M M M
6/16/2011 7:00 AM 0.01 M M M M
6/17/2011 7:00 AM 0.38 M M M M large storm around midnight last night. 0.11" at around 6:00pm yesterday afternoon.
6/18/2011 7:00 AM 0.13 M M M M strong but brief storm around 4:00am.
6/19/2011 7:00 AM 0.00 0.0 M M M
6/26/2011 7:00 AM 0.00 0.0 M M M
6/27/2011 7:00 AM 0.03 M M M M
6/28/2011 7:00 AM 0.00 0.0 M M M
6/29/2011 7:00 AM 0.10 M M M M
6/30/2011 7:00 AM 0.00 0.0 M M M
7/1/2011 7:00 AM 0.00 0.0 M M M
7/2/2011 7:00 AM 0.00 0.0 M M M
7/3/2011 7:00 AM 2.15 M M M M Heavy rain at around 3:00am
7/4/2011 7:00 AM 0.00 0.0 M M M
7/5/2011 7:00 AM 0.02 M M M M
7/6/2011 7:00 AM 0.00 0.0 M M M
7/7/2011 7:00 AM 0.00 0.0 M M M
7/8/2011 7:00 AM T 0.0 M M M
7/9/2011 7:00 AM 1.45 M M M M
7/10/2011 7:00 AM 0.00 0.0 M M M
7/11/2011 7:00 AM 0.00 0.0 M M M
7/12/2011 7:00 AM 0.08 M M M M
7/13/2011 7:00 AM 0.00 0.0 M M M
7/14/2011 7:00 AM 0.02 M M M M
7/15/2011 7:00 AM 0.00 0.0 M M M
7/16/2011 7:00 AM 0.00 0.0 M M M
7/17/2011 7:00 AM 0.00 0.0 M M M
7/18/2011 7:00 AM 0.00 0.0 M M M
7/19/2011 7:00 AM 0.00 0.0 M M M
7/20/2011 7:00 AM 0.02 M M M M
7/21/2011 7:00 AM 0.00 0.0 M M M
7/22/2011 7:00 AM 0.00 0.0 M M M
7/23/2011 7:00 AM 0.00 0.0 M M M
7/24/2011 7:00 AM T M M M M brief shower about 7:45am Saturday
7/30/2011 7:00 AM 0.00 0.0 M M M
8/7/2011 8:00 PM 0.57 M M M M
8/8/2011 5:00 PM 0.00 0.0 M M M
8/9/2011 7:00 AM 0.00 0.0 M M M
8/10/2011 7:00 AM 0.15 M M M M
8/11/2011 7:00 AM 0.00 0.0 M M M
8/12/2011 7:00 AM 0.00 0.0 M M M
8/13/2011 7:00 AM 0.00 0.0 M M M
8/14/2011 6:50 AM 0.05 M M M M Just starting to rain at observation time. Brief rain shower yesterday afternoon.
8/15/2011 5:00 AM 0.36 M M M M
8/23/2011 7:00 AM 0.00 0.0 M M M
8/24/2011 7:00 AM 0.00 0.0 M M M
8/25/2011 7:00 AM 0.00 0.0 M M M
8/26/2011 7:00 AM 0.15 M M M M
8/27/2011 7:00 AM 0.00 0.0 M M M
8/28/2011 6:50 AM 1.69 M M M M lots of leaves and small branches on the ground. no real damage.
8/29/2011 7:00 AM 0.16 M M M M
8/30/2011 7:00 AM T 0.0 M M M trace of rain around 7:30pm yesterday from high level clouds
8/31/2011 7:00 AM 0.00 0.0 M M M
9/1/2011 7:00 AM 0.00 0.0 M M M
9/2/2011 7:00 AM 0.49 M M M M no idea when this rain came.. must've been in the middle of the night.
9/3/2011 10:45 AM 0.05 M M M M terrific lightning storm around 9:00am, very little rain though
9/6/2011 10:15 AM 0.98 M M M M
9/7/2011 10:00 AM 1.00 M M M M exactly 1.00" of rain
9/8/2011 9:30 AM 1.73 M M M M
9/9/2011 8:10 AM 1.62 M M M M Lots of rain on and off all day yesterday. Flooding in some places.
9/10/2011 7:00 AM 0.03 M M M M some drizzle yesterday, but after nearly a week of clouds and 6in. of rain, the sun has come out! It's beautiful now in the 70°s with a light breeze.
9/11/2011 7:00 AM 0.00 0.0 M M M
9/12/2011 7:00 AM 0.23 M M M M thunderstorm last night around 9:00pm
9/13/2011 7:00 AM 0.00 0.0 M M M
9/15/2011 7:00 AM 0.22 M M M M
9/20/2011 7:00 AM 0.12 M M M M
9/21/2011 7:00 AM 0.00 0.0 M M M
9/22/2011 7:00 AM 0.89 M M M M heavy rain at times in the night
9/27/2011 8:15 AM 0.41 M M M M
9/28/2011 12:00 PM 0.12 M M M M
9/29/2011 7:00 AM 0.53 M M M M heavy thunderstorm must've occurred last night while we were away.
9/30/2011 7:00 AM T M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
11/3/2010 11/05/2010 7:00 AM 3 0.88 M M
11/16/2010 11/17/2010 8:00 AM 2 1.48 M M about 0.75 fell monday night and tuesday all day, the rest fell during a terrific thunderstorm at about midnight last night.
12/12/2010 12/13/2010 7:00 AM 2 0.64 M M rain saturday night and sunday. precip. was frozen solid this morning.
3/6/2011 3/07/2011 7:00 AM 2 2.24 M M Heavy rain all day Sunday. At about 10:30pm Sunday night the rain turned into a wintry mix. There's about 1/2 inch of icy snow on the ground in the shade.
3/22/2011 3/24/2011 8:00 AM 3 0.62 M M severe thunderstorm last night with hail. much colder now 37°F
4/2/2011 4/04/2011 7:00 AM 3 0.14 M M Amazing lightning show last night between 9:00 and 11:15pm. Also some hail at 9:50pm which lasted about 90sec.
4/24/2011 4/25/2011 7:00 AM 2 0.24 M M rain almost all from saturday night. Virtually nothing from yesterday. We drove through severe t-storms near Baltimore at about 5:00pm yesterday.
5/7/2011 5/09/2011 7:00 AM 3 0.02 M M
5/15/2011 5/16/2011 7:00 AM 2 0.68 M M
6/11/2011 6/13/2011 7:00 AM 3 0.06 M M
6/20/2011 6/25/2011 7:00 AM 6 0.39 M M
7/25/2011 7/29/2011 7:00 AM 5 0.52 M M
7/31/2011 8/06/2011 7:00 PM 7 0.21 M M
8/16/2011 8/22/2011 7:00 AM 7 0.44 M M
9/4/2011 9/05/2011 7:00 AM 2 0.13 M M
9/14/2011 9/19/2011 7:00 AM 6 0.07 M M
9/23/2011 9/26/2011 8:00 AM 4 0.90 M M



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
3/23/2011 7:55 PM very rare hail. Heavy rain as well. 1/4" Pea Size 1/4" Pea Size Rice Mixed|White Ice 4 2min Continuous False After rain Same time as smaller hail 10-20