Station Overview Station Location
Station Number MD-CV-7 Latitude 38.5517
Station Name Prince Frederick 1.4 W Longitude -76.6158
County Calvert Elevation (ft) 148



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 09 3.62 7.25 31 6.75 29 0.50 2 1 8 9 0.0 0 0
Nov 09 3.41 7.01 30 7.01 30 0.00 0 0 11 4 0.0 0 0
Dec 09 3.54 8.93 31 8.93 31 0.00 0 0 13 0 19.2 3 8
Jan 10 3.24 2.54 31 1.53 25 1.01 6 1 5 2 9.9 2 3
Feb 10 2.98 3.73 28 3.73 28 0.00 0 0 8 1 21.6 5 24
March 10 4.03 4.91 31 4.91 31 0.00 0 0 12 3 0.0 0 0
April 10 3.51 1.86 30 1.86 30 0.00 0 0 6 1 0.0 0 0
May 10 4.38 3.38 31 3.38 31 0.00 0 0 9 4 0.0 0 0
June 10 3.97 0.52 30 0.52 30 0.00 0 0 6 5 0.0 0 0
July 10 4.08 2.91 31 0.82 24 2.09 7 2 6 1 0.0 0 0
Aug 10 3.62 5.08 31 4.72 25 0.36 6 1 9 3 0.0 0 0
Sept 10 3.89 6.37 30 6.37 30 0.00 0 0 8 1 0.0 0 0
Water Year Totals: 44.27" 54.49" 365 days 50.53" 344 3.96" 21 days 5 101 days 34 days 50.7" 10 days 35 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
10/1/2009 T
10/2/2009 0.00
10/3/2009 T
10/4/2009 T
10/5/2009 0.00
10/6/2009 0.00
10/7/2009 T
10/8/2009 T
10/9/2009 T
10/10/2009 T
10/11/2009 0.01
10/12/2009 0.00
10/13/2009 0.00
10/14/2009 0.00
10/15/2009 0.02
10/16/2009 0.92
10/17/2009 0.89
10/18/2009 2.25
10/19/2009 T
10/20/2009 0.00
10/21/2009 0.00
10/22/2009 0.00
10/23/2009 0.00
10/24/2009 0.00
10/25/2009 **
10/26/2009 0.50
10/27/2009 1.19
10/28/2009 1.45
10/29/2009 T
10/30/2009 0.00
10/31/2009 0.02
11/1/2009 0.82
11/2/2009 0.28
11/3/2009 T
11/4/2009 0.00
11/5/2009 T
11/6/2009 T
11/7/2009 0.00
11/8/2009 0.00
11/9/2009 0.00
11/10/2009 0.00
11/11/2009 0.26
11/12/2009 1.39
11/13/2009 2.53
11/14/2009 0.11
11/15/2009 0.00
11/16/2009 0.00
11/17/2009 0.00
11/18/2009 0.00
11/19/2009 0.00
11/20/2009 0.54
11/21/2009 T
11/22/2009 0.00
11/23/2009 0.00
11/24/2009 0.82
11/25/2009 0.14
11/26/2009 0.04
11/27/2009 0.08
11/28/2009 0.00
11/29/2009 0.00
11/30/2009 0.00
12/1/2009 0.37
12/2/2009 0.00
12/3/2009 1.59
12/4/2009 0.00
12/5/2009 0.01
12/6/2009 0.54
12/7/2009 0.00
12/8/2009 0.00
12/9/2009 1.95
12/10/2009 0.01
12/11/2009 0.00
12/12/2009 0.00
12/13/2009 0.06
12/14/2009 0.79
12/15/2009 0.00
12/16/2009 0.00
12/17/2009 0.00
12/18/2009 0.00
12/19/2009 0.87
12/20/2009 0.95
12/21/2009 0.00
12/22/2009 0.00
12/23/2009 0.00
12/24/2009 0.00
12/25/2009 0.00
12/26/2009 1.44
12/27/2009 0.08
12/28/2009 0.00
12/29/2009 0.00
12/30/2009 0.00
12/31/2009 0.27
Day of YearDaily PrcpMultiday Prcp
1/1/2010 0.05
1/2/2010 0.00
1/3/2010 0.00
1/4/2010 0.00
1/5/2010 0.00
1/6/2010 0.00
1/7/2010 0.00
1/8/2010 0.08
1/9/2010 0.00
1/10/2010 0.00
1/11/2010 0.00
1/12/2010 T
1/13/2010 0.00
1/14/2010 0.00
1/15/2010 0.00
1/16/2010 0.00
1/17/2010 0.02
1/18/2010 0.92
1/19/2010 0.00
1/20/2010 0.00
1/21/2010 **
1/22/2010 **
1/23/2010 **
1/24/2010 **
1/25/2010 **
1/26/2010 1.01
1/27/2010 0.00
1/28/2010 0.00
1/29/2010 0.00
1/30/2010 T
1/31/2010 0.46
2/1/2010 0.00
2/2/2010 0.00
2/3/2010 0.18
2/4/2010 0.00
2/5/2010 0.00
2/6/2010 2.18
2/7/2010 0.42
2/8/2010 0.00
2/9/2010 0.00
2/10/2010 0.36
2/11/2010 0.09
2/12/2010 0.00
2/13/2010 0.00
2/14/2010 0.00
2/15/2010 0.00
2/16/2010 0.18
2/17/2010 0.00
2/18/2010 0.00
2/19/2010 0.00
2/20/2010 0.00
2/21/2010 0.00
2/22/2010 0.00
2/23/2010 0.19
2/24/2010 0.00
2/25/2010 0.13
2/26/2010 0.00
2/27/2010 T
2/28/2010 0.00
3/1/2010 0.00
3/2/2010 0.00
3/3/2010 0.35
3/4/2010 T
3/5/2010 0.00
3/6/2010 0.00
3/7/2010 0.00
3/8/2010 0.00
3/9/2010 0.00
3/10/2010 0.00
3/11/2010 0.00
3/12/2010 0.59
3/13/2010 0.95
3/14/2010 0.55
3/15/2010 0.01
3/16/2010 0.04
3/17/2010 0.00
3/18/2010 0.00
3/19/2010 0.00
3/20/2010 0.00
3/21/2010 0.00
3/22/2010 0.01
3/23/2010 0.31
3/24/2010 T
3/25/2010 0.00
3/26/2010 0.37
3/27/2010 0.03
3/28/2010 0.00
3/29/2010 1.34
3/30/2010 0.36
3/31/2010 T
Day of YearDaily PrcpMultiday Prcp
4/1/2010 0.00
4/2/2010 0.00
4/3/2010 0.00
4/4/2010 0.00
4/5/2010 0.00
4/6/2010 0.00
4/7/2010 0.00
4/8/2010 0.00
4/9/2010 1.02
4/10/2010 0.00
4/11/2010 0.00
4/12/2010 0.00
4/13/2010 0.00
4/14/2010 0.28
4/15/2010 0.00
4/16/2010 0.00
4/17/2010 T
4/18/2010 0.00
4/19/2010 0.00
4/20/2010 0.00
4/21/2010 0.00
4/22/2010 0.04
4/23/2010 0.00
4/24/2010 0.00
4/25/2010 0.13
4/26/2010 0.11
4/27/2010 0.28
4/28/2010 0.00
4/29/2010 0.00
4/30/2010 0.00
5/1/2010 0.00
5/2/2010 0.00
5/3/2010 T
5/4/2010 0.02
5/5/2010 0.00
5/6/2010 0.00
5/7/2010 0.00
5/8/2010 0.00
5/9/2010 0.00
5/10/2010 0.00
5/11/2010 0.00
5/12/2010 0.11
5/13/2010 0.01
5/14/2010 0.00
5/15/2010 0.76
5/16/2010 0.00
5/17/2010 T
5/18/2010 0.66
5/19/2010 0.02
5/20/2010 T
5/21/2010 0.00
5/22/2010 0.00
5/23/2010 1.04
5/24/2010 0.00
5/25/2010 T
5/26/2010 0.00
5/27/2010 0.00
5/28/2010 0.49
5/29/2010 0.27
5/30/2010 0.00
5/31/2010 0.00
6/1/2010 0.00
6/2/2010 0.13
6/3/2010 0.00
6/4/2010 0.07
6/5/2010 0.00
6/6/2010 0.00
6/7/2010 0.05
6/8/2010 0.00
6/9/2010 0.00
6/10/2010 T
6/11/2010 0.00
6/12/2010 0.00
6/13/2010 T
6/14/2010 0.00
6/15/2010 0.01
6/16/2010 T
6/17/2010 T
6/18/2010 0.00
6/19/2010 0.00
6/20/2010 0.00
6/21/2010 0.00
6/22/2010 0.00
6/23/2010 0.21
6/24/2010 0.00
6/25/2010 0.05
6/26/2010 0.00
6/27/2010 0.00
6/28/2010 0.00
6/29/2010 T
6/30/2010 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2010 0.00
7/2/2010 0.00
7/3/2010 **
7/4/2010 **
7/5/2010 0.00
7/6/2010 0.00
7/7/2010 0.00
7/8/2010 0.00
7/9/2010 **
7/10/2010 **
7/11/2010 **
7/12/2010 2.09
7/13/2010 0.28
7/14/2010 0.39
7/15/2010 0.00
7/16/2010 0.00
7/17/2010 0.00
7/18/2010 0.00
7/19/2010 0.00
7/20/2010 0.01
7/21/2010 0.01
7/22/2010 T
7/23/2010 0.00
7/24/2010 0.00
7/25/2010 0.00
7/26/2010 0.09
7/27/2010 0.00
7/28/2010 0.00
7/29/2010 0.00
7/30/2010 0.04
7/31/2010 0.00
8/1/2010 0.08
8/2/2010 0.02
8/3/2010 T
8/4/2010 T
8/5/2010 0.00
8/6/2010 **
8/7/2010 **
8/8/2010 **
8/9/2010 **
8/10/2010 **
8/11/2010 0.36
8/12/2010 0.00
8/13/2010 1.60
8/14/2010 T
8/15/2010 0.00
8/16/2010 0.96
8/17/2010 0.00
8/18/2010 0.64
8/19/2010 0.77
8/20/2010 0.00
8/21/2010 0.00
8/22/2010 0.00
8/23/2010 0.52
8/24/2010 0.11
8/25/2010 0.02
8/26/2010 0.00
8/27/2010 0.00
8/28/2010 0.00
8/29/2010 0.00
8/30/2010 0.00
8/31/2010 0.00
9/1/2010 0.00
9/2/2010 0.00
9/3/2010 T
9/4/2010 0.02
9/5/2010 0.00
9/6/2010 0.00
9/7/2010 0.00
9/8/2010 0.00
9/9/2010 0.00
9/10/2010 0.00
9/11/2010 0.00
9/12/2010 0.31
9/13/2010 0.42
9/14/2010 0.00
9/15/2010 0.00
9/16/2010 0.00
9/17/2010 0.09
9/18/2010 0.00
9/19/2010 0.00
9/20/2010 0.00
9/21/2010 0.00
9/22/2010 0.00
9/23/2010 0.00
9/24/2010 0.00
9/25/2010 0.00
9/26/2010 0.00
9/27/2010 0.67
9/28/2010 0.17
9/29/2010 0.14
9/30/2010 4.55



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2009 7:00 AM T M M M M Less than .01inch in the gauge.
10/2/2009 7:00 AM 0.00 0.0 M M M
10/3/2009 7:00 AM T M M M M Light rain starting at obs.
10/4/2009 7:00 AM T M M M M Driving east from Charles County about 10:15pm, we saw lightning flashing in the clouds on the eastern horizon. Our trace came at 7am yesterday morning.
10/5/2009 7:00 AM 0.00 0.0 M M M
10/6/2009 7:00 AM 0.00 0.0 M M M
10/7/2009 7:00 AM T M M M M Light rain shortly before and after observation time.
10/8/2009 7:00 AM T M M M M The remainder of a light rain before and after the 10/7 observation. Both traces together, would have been .01 inch. Temp. 50ºF.
10/9/2009 7:00 AM T M M M M A bit of rain yesterday evening, about 10:30pm.
10/10/2009 7:25 AM T M M M M Warm, humid, 72ºF. Clouds moving eastward.
10/11/2009 7:00 AM 0.01 M M M M Several sprinkles yesterday morning and afternoon.
10/12/2009 7:00 AM 0.00 0.0 M M M Temp. 50ºF. Two weeks without a decent rain.
10/13/2009 7:00 AM 0.00 0.0 M M M Temp. 51ºF. Condensation on the funnel, the cars and the pumpkin. Nothing in the tube. Pretty crescent moon in a clear sky.
10/14/2009 7:00 AM 0.00 0.0 M M M Temp. 47ºF.
10/15/2009 7:00 AM 0.02 M M M M Currently raining. Rain began yesterday evening.
10/16/2009 7:00 AM 0.92 M M M M Currently raining. Rained all through the day yesterday.
10/17/2009 7:00 AM 0.89 M M M M Currently raining. Rained all day yesterday, but ground not having any trouble soaking it up. Lost electricity for about an hour in the middle of the night.
10/18/2009 7:00 AM 2.25 M M M M Two and one quarter inches of rain. Not raining, but still overcast. No signs of flooding. Heaviest rain overnight.
10/19/2009 7:00 AM T M M M M
10/20/2009 7:00 AM 0.00 0.0 M M M Temp. 40ºF. No sign of the frost we were warned about. Overnight low was 39.4ºF.
10/21/2009 7:00 AM 0.00 0.0 M M M Temp. 46ºF. Saw two meteors around 6:15am. The stars were wonderfully clear.
10/22/2009 7:00 AM 0.00 0.0 M M M
10/23/2009 7:00 AM 0.00 0.0 M M M Thin cloud cover.
10/24/2009 7:00 AM 0.00 0.0 M M M Cloudy, breezy, 68ºF.
10/27/2009 7:00 AM 1.19 M M M M Currently raining. Heavy rain at 5:45am woke me up. Too dark to check for flooding.
10/28/2009 7:00 AM 1.45 M M M M Rain appears to have passed. Just a very light mist in the air. Temp. 60ºF. Most of yesterday was a misty precipitation. The heavier rain occurred overnight.
10/29/2009 7:00 AM T M M M M Trace is the last of yesterday morning's rain.
10/30/2009 7:00 AM 0.00 0.0 M M M
10/31/2009 7:50 AM 0.02 M M M M The lightest of rain falling at observation. Thought we wouldn't get rain until late tonight. Temp. 59ºF.
11/1/2009 7:00 AM 0.82 M M M M Currently raining. Temp. 52ºF. Light rain through the morning. A break after noon, then rain again 7:30pm. But a warm night for the Trick or Treaters.
11/2/2009 7:00 AM 0.28 M M M M Currently a light mist. Temp. 50ºF. Completely overcast.
11/3/2009 7:00 AM T M M M M Foggy morning. Trace in tube from yesterday morning.
11/4/2009 7:00 AM 0.00 0.0 M M M Temp. 38ºF. Bright, clear, crisp morning.
11/5/2009 7:00 AM T 0.0 M M M Sprinkle around 5pm yesterday.
11/6/2009 7:00 AM T M M M M Freeze warning last night, but lowest temperature was 39.9ºF.
11/7/2009 7:00 AM 0.00 0.0 M M M First freeze. Temp. 32ºF. Ice on the bird bath. Yesterday was breezy with leaves coming down like rain.
11/8/2009 7:00 AM 0.00 0.0 M M M Temp. 48ºF.
11/9/2009 7:00 AM 0.00 0.0 M M M Clear. High yesterday was 70ºF.
11/10/2009 7:00 AM 0.00 0.0 M M M Calm and mild morning. Cloudy.
11/11/2009 7:00 AM 0.26 M M M M Currently raining.
11/12/2009 7:00 AM 1.39 M M M M Still raining. All day gentle rain yesterday and overnight. Temp. 46ºF.
11/13/2009 7:00 AM 2.53 M M M M Not raining, cloudy and calm. Some filling of grassy swails yesterday afternoon,but clear this morning.
11/14/2009 7:00 AM 0.11 M M M M Rain seems to have stopped. Misty, cloudy, trees still dripping.
11/15/2009 7:00 AM 0.00 0.0 M M M Clear. Some fog in low areas.
11/16/2009 7:00 AM 0.00 0.0 M M M
11/17/2009 7:00 AM 0.00 0.0 M M M
11/18/2009 7:00 AM 0.00 0.0 M M M
11/19/2009 7:00 AM 0.00 0.0 M M M Mild cloudy morning.
11/20/2009 7:00 AM 0.54 M M M M Heavy rain, thunder and lightning occurred .
11/21/2009 7:00 AM T M M M M Temp 37ºF. A trace in the tube.
11/22/2009 7:00 AM 0.00 0.0 M M M Temp. 40ºF.
11/23/2009 7:00 AM 0.00 0.0 M M M
11/24/2009 7:00 AM 0.82 M M M M Temp. 50ºF. Overcast, not raining.
11/25/2009 7:00 AM 0.14 M M M M A heavy mist or drizzle at observation and most of yesterday.
11/26/2009 7:00 AM 0.04 M M M M Foggy, but no precipitation.
11/27/2009 7:00 AM 0.08 M M M M
11/28/2009 7:00 AM 0.00 0.0 M M M Windy day.
11/29/2009 7:00 AM 0.00 0.0 M M M Temp. 38ºF. Clear
11/30/2009 7:00 AM 0.00 0.0 M M M Yesterday's high was 65ºF. Lovely day.
12/1/2009 7:00 AM 0.37 M M M M Temp. 33ºF. Light skim of ice on birdbath water. Rain mostly in the afternoon, but still light at 6:45pm. Brilliant moon shining in at 4:45am.
12/2/2009 7:00 AM 0.00 0.0 M M M
12/3/2009 7:00 AM 1.59 M M M M Rain began in afternoon. Heavy about 10:10pm. Continued overnight. Clear and mild this morning.
12/4/2009 7:00 AM 0.00 0.0 M M M
12/5/2009 7:05 AM 0.01 0.0 M 0.0 M Currently raining lightly. Temp. 45ºF.
12/6/2009 7:00 AM 0.54 0.7 M T M Currently clear and 30ºF. Our first snow and first hard freeze. Rain which began before 7am on 12/4 continued through the morning. At 11:45am there was approx. 1/4 inch in the 4inch tube. At 12:45pm, wet snow began. At 1:20pm, quite large flakes were coming down and temp. 36ºF. At 1:58pm snow was accumulating on cars and the ground, temp. 35ºF. At 3:10pm measured .5inch on snowboard. At 11:05pm, after system had cleared the area, measured .7inch on snowboard temp 33.6ºF. Total snow on ground this morning was an average of .2, so I put it down as 'T'.
12/7/2009 7:00 AM 0.00 0.0 M T M Temp. 30ºF. Very little of Saturday's snow melted on Sunday. Sunday's high was 38ºF.
12/8/2009 7:00 AM 0.00 0.0 M T M Only a slight trace of snow left in north facing areas.
12/9/2009 7:00 AM 1.95 0.0 M 0.0 M Currently raining. Temp. 49ºF. Water accumulating by the road in grassy swale and at the downspout exits.
12/10/2009 7:00 AM 0.01 0.0 M 0.0 M Rain continued after yesterday's observation and ended about 8:45AM.
12/11/2009 7:00 AM 0.00 0.0 M 0.0 M Temp. 26ºF. Clear with a pretty crescent moon.
12/12/2009 7:00 AM 0.00 0.0 M M M
12/13/2009 7:00 AM 0.06 0.0 M 0.0 M Currently raining lightly.
12/14/2009 7:00 AM 0.79 0.0 M 0.0 M Temp. 33ºF. Slight skim of ice on outside water. This rain continued from yesterday's obs. Heaviest in the afternoon. Downspout exits pooling up on the lawn during rainfall.
12/15/2009 7:00 AM 0.00 0.0 M 0.0 M Temp. 48ºF and overcast.
12/16/2009 7:00 AM 0.00 0.0 M 0.0 M
12/17/2009 7:00 AM 0.00 0.0 M 0.0 M
12/18/2009 7:00 AM 0.00 0.0 M 0.0 M Temp. 25ºF.
12/19/2009 7:00 AM 0.87 10.0 M 10.0 M Currently snowing, fine dense flakes, light wind, temp. 30ºF. Snow measurement is an average. Measurements ranged 8-13inches.
12/20/2009 7:00 AM 0.95 8.5 M 19.0 M Continuation of snowfall that started 12/18 evening. Steady fine dense snow with 2-3 breaks continuing past 10:30pm 12/19. Ended overnight.
12/21/2009 7:00 AM 0.00 0.0 M 15.0 M Temp. 26ºF.
12/22/2009 7:00 AM 0.00 0.0 M 12.0 M Temp. 26ºF. Total snow is an average. Range 7.5-14.75 inches.
12/23/2009 7:00 AM 0.00 0.0 M 10.5 M Temp. 27ºF. Total snow is an average. Apart from a light crust, the snow is still very powdery .
12/24/2009 7:00 AM 0.00 0.0 M 9.0 M Temp. 23ºF. Total snow is an average. Measurements range from 8-10.5 inches.
12/25/2009 7:00 AM 0.00 0.0 M 8.5 M Temp. 33ºF. A White Christmas !!
12/26/2009 7:00 AM 1.44 0.0 M 1.5 M Currently raining. Temp. 54ºF.
12/27/2009 7:00 AM 0.08 0.0 M T M Temp. 35ºF. Low temp. was also 35º, but car windshield is icy, and railroad ties along driveway are icy. Less than half the ground covered with snow. Total for two days of rain is 1.52inches. Yesterday's rain at 7am tapered off and became a very light mist which ended about noon and became a heavy fog for most of the day.
12/28/2009 7:00 AM 0.00 0.0 M T M
12/29/2009 7:00 AM 0.00 0.0 M T M Windy
12/30/2009 7:00 AM 0.00 0.0 M T M
12/31/2009 7:00 AM 0.27 0.0 M T M Temp. 33°F. Currently light rain and less than a tenth inch of ice on car, branches etc. Rain began overnight.
1/1/2010 7:50 AM 0.05 0.0 M T M Obs at 7:50am but I don't think there was any precipitation after 7am. Currently foggy, temp. 35ºF.
1/2/2010 7:00 AM 0.00 0.0 M T M
1/3/2010 7:00 AM 0.00 0.0 M T M Temp. 17ºF, windy.
1/4/2010 7:00 AM 0.00 0.0 M T M
1/5/2010 7:00 AM 0.00 0.0 M T M
1/6/2010 7:00 AM 0.00 0.0 M T M Temp. 29ºF. Currently no precipitation, although the radar shows snow over us. Saw a few flakes coming down yesterday morning at 8:55am. This form won't let me put a T for new snow with zero in the rain gauge, so I will leave the new snow amount as zero. We still have a trace of snow on the ground in sunless places from the Dec 20 snowfall.
1/7/2010 7:00 AM 0.00 0.0 M T M Cold morning, clear, a perfect half moon.
1/8/2010 7:00 AM 0.08 1.8 M 1.5 M Currently calm, temp. 32ºF. Snow started overnight and finished just before 7am observation. Light and powdery. Clinging to every twig.
1/9/2010 7:00 AM 0.00 0.0 M 0.5 M Temp. 23ºF.
1/10/2010 7:00 AM 0.00 0.0 M T M Temp. 20ºF.
1/11/2010 7:00 AM 0.00 0.0 M T M Temp. 18ºF.
1/12/2010 7:00 AM T T M T M Light sugary dusting. Temp. 30ºF.
1/13/2010 7:00 AM 0.00 0.0 M T M
1/14/2010 7:00 AM 0.00 0.0 M T M
1/15/2010 7:00 AM 0.00 0.0 M T M A high of 52ºF yesterday, but still some snow in shady north facing areas.
1/16/2010 7:00 AM 0.00 0.0 M T M
1/17/2010 7:30 AM 0.02 0.0 M 0.0 M Currently, light rain.
1/18/2010 7:00 AM 0.92 0.0 M 0.0 M Sky is overcast. Temp. 40ºF. There was still a light mist falling at 11pm last night.
1/19/2010 7:00 AM 0.00 0.0 M 0.0 M Nice day yesterday with a pretty blue and white sky.
1/20/2010 7:00 AM 0.00 0.0 M 0.0 M
1/27/2010 7:00 AM 0.00 0.0 M 0.0 M
1/28/2010 7:00 AM 0.00 0.0 M 0.0 M
1/29/2010 7:00 AM 0.00 0.0 M 0.0 M
1/30/2010 7:00 AM T T M T M Temp. 23ºF. No noticeable precipitation.
1/31/2010 7:00 AM 0.46 8.1 M 8.0 M Temp. 14ºF. Snowed all day and overnight. Clear, sunny, calm morning.
2/1/2010 7:00 AM 0.00 0.0 M 5.5 M Temp. 18ºF. Small amount in gauge (.02) is probably from snow blown off the pine trees.
2/2/2010 7:00 AM 0.00 0.0 M 3.5 M Partly cloudy, but the sun is shining now at 8:20am. Six more weeks of cold? Temperature hit 42ºF yesterday.
2/3/2010 7:00 AM 0.18 1.5 M 4.0 M Temp. 33ºF. Outside water dish slushy, not frozen.
2/4/2010 7:00 AM 0.00 0.0 M 2.5 M Temp. 31ºF.
2/5/2010 7:00 AM 0.00 0.0 M 1.0 M
2/6/2010 7:00 AM 2.18 10.5 M 12.0 M Currently, light fine snow falling and breezy. Temp. 32ºF. Put out a second 4" tube at 10:45pm. The first contained 1.02" of melted snow. Snow measurement is from a snowboard measured at 7am. Compaction probably occurred since snow is quite heavy.
2/7/2010 7:00 AM 0.42 5.5 M 20.0 M Temp. 17ºF. Clear and sunny. Sky intensely blue. Total snow depth is an average of 4 open spots, two in sunny areas, two in shady areas. Several large branches of pines broke off. Tall 20yr old Juniper broken in half. At least nothing fell on the house, yet. Saturday's snow had an inch of slush at the bottom when trying to shovel it. Today there is 6inches of powdery snow on top of light, but very dense snow that has to be sliced up before shoveling, like stale cake.
2/8/2010 7:00 AM 0.00 0.0 M 18.0 M Temp. 20ºF. Clear and sunny. Went up to 33ºF yesterday and some melting occurred. Plow finally came to our neighborhood today. Made one swipe down the middle of the road.
2/9/2010 7:00 AM 0.00 0.0 M 16.5 M Temp. 22ºF. Cloudy.
2/10/2010 7:00 AM 0.36 1.3 M M M Currently snowing. Temp. 32ºF. New snow measured from snowboard. A layer of crunchy ice under the snow.
2/11/2010 7:00 AM 0.09 2.8 M 17.5 M Temp.28ºF. Clear. Snowed all day yesterday, with temps dropping through the day. Wind picked up at 8:50am and continued quite windy through the day, but not as much damage to trees as with the Feb. 5-6th snow. At 4:45pm I measured 2-3/4 inches on the snowboard. It continued to snow past 10:30pm but snowboard amount was the same at 7am. Must have settled. Total snow depth is an average of four sites.
2/12/2010 7:00 AM 0.00 0.0 M 14.5 M
2/13/2010 7:00 AM 0.00 0.0 M 13.5 M Temp. 29ºF. Calm, overcast.
2/14/2010 9:00 AM 0.00 0.0 M 12.5 M
2/15/2010 9:00 AM 0.00 0.0 M 12.0 M
2/16/2010 7:00 AM 0.18 T M 11.5 M Currently snowing lightly @28ºF. Precipitation began yesterday afternoon as light snow @39ºF. By 6:45pm had changed to rain @35ºF. This morning light snow but not measurable on snowboard, so entered it as trace. Total snow measurements were taken at 7:20am, but I doubt if it would have been different at 7am.
2/17/2010 7:00 AM 0.00 0.0 M 10.5 M Temp. 27ºF.
2/18/2010 7:00 AM 0.00 0.0 M 10.0 M
2/19/2010 7:00 AM 0.00 0.0 M 8.5 M
2/20/2010 7:00 AM 0.00 0.0 M 7.5 M
2/21/2010 7:00 AM 0.00 0.0 M 6.0 M Yesterday's high, 51ºF and sunny.
2/22/2010 7:00 AM 0.00 0.0 M 4.0 M
2/23/2010 7:00 AM 0.19 0.0 M 3.0 M Rain ended before 7am observation.
2/24/2010 7:00 AM 0.00 0.0 M 2.0 M Almost to the point where half of the ground is bare in the undisturbed areas.
2/25/2010 7:00 AM 0.13 0.0 M 1.0 M Temp. 35°F
2/26/2010 7:00 AM 0.00 0.0 M T M
2/27/2010 7:00 AM T T M T M Saw a few flakes yesterday. Windy all day.
2/28/2010 7:00 AM 0.00 0.0 M T M
3/1/2010 7:00 AM 0.00 0.0 M T M Snow totals for past 3 months: Dec. 19.2", Jan. 9.9", Feb. 21.6".
3/2/2010 7:00 AM 0.00 0.0 M T M
3/3/2010 7:00 AM 0.35 0.0 M T M Currently raining. Temp. 36ºF. Rain started late yesterday afternoon.
3/4/2010 7:00 AM T 0.0 M T M Temp. 33ºF and clear.
3/5/2010 7:00 AM 0.00 0.0 M T M Beautiful cool morning. A robin singing makes it feel like spring.
3/6/2010 7:00 AM 0.00 0.0 M 0.0 M
3/7/2010 7:00 AM 0.00 0.0 M 0.0 M
3/8/2010 7:00 AM 0.00 0.0 M 0.0 M It hit 66ºF yesterday. Time to start cleaning up the mess from the winter.
3/9/2010 7:00 AM 0.00 0.0 M 0.0 M
3/10/2010 7:00 AM 0.00 0.0 M 0.0 M
3/11/2010 7:00 AM 0.00 0.0 M 0.0 M Temp. 54ºF.
3/12/2010 7:00 AM 0.59 0.0 M 0.0 M Currently raining. Rain began overnight.
3/13/2010 7:00 AM 0.95 0.0 M 0.0 M Currently, light mist and breezy.
3/14/2010 7:00 AM 0.55 0.0 M 0.0 M Foggy. Three-day total is 2.09 inches.
3/15/2010 7:00 AM 0.01 0.0 M 0.0 M
3/16/2010 7:00 AM 0.04 0.0 M 0.0 M
3/17/2010 7:00 AM 0.00 0.0 M 0.0 M A cool morning at37ºF. The first daffodil opened today. Yesterday was lovely.
3/18/2010 7:00 AM 0.00 0.0 M 0.0 M
3/19/2010 7:00 AM 0.00 0.0 M 0.0 M
3/20/2010 7:00 AM 0.00 0.0 M 0.0 M
3/21/2010 7:00 AM 0.00 0.0 M 0.0 M
3/22/2010 7:00 AM 0.01 0.0 M 0.0 M Rained overnight. Cloudy, but nothing falling at obs.
3/23/2010 7:00 AM 0.31 0.0 M 0.0 M Rain and thunder yesterday morning. Hardest rain at noon till 12:25pm with .15 inch accumulation. Flooding only at downspout exits and roadside grassy swale.
3/24/2010 7:00 AM T 0.0 M 0.0 M Noticed a few drips around 7pm. Nothing in the gauge.
3/25/2010 7:00 AM 0.00 0.0 M 0.0 M
3/26/2010 7:00 AM 0.37 0.0 M 0.0 M Currently raining.
3/27/2010 7:00 AM 0.03 0.0 M 0.0 M
3/28/2010 7:00 AM 0.00 0.0 M 0.0 M
3/29/2010 7:00 AM 1.34 0.0 M 0.0 M Currently raining. Very windy yesterday, but mild temps.
3/30/2010 7:00 AM 0.36 0.0 M 0.0 M Currently raining.
3/31/2010 7:00 AM T 0.0 M 0.0 M Rain gauge empty, but evaporation is possible. It was raining lightly yesterday at 7am, but it was breezy all day and the 4-inch tube did not have the funnel on top.
4/1/2010 7:00 AM 0.00 0.0 M M M
4/2/2010 7:00 AM 0.00 0.0 M M M
4/3/2010 7:00 AM 0.00 0.0 M M M
4/4/2010 7:00 AM 0.00 0.0 M M M
4/5/2010 7:00 AM 0.00 0.0 M M M
4/6/2010 7:00 AM 0.00 0.0 M M M
4/7/2010 7:00 AM 0.00 0.0 M M M
4/8/2010 7:00 AM 0.00 0.0 M M M Yesterday, a high of 89ºF. After three hot days, nature is bursting forth. The oaks and pines are putting out pollen. The wisteria, cherry trees, dogwoods, azaleas, lilacs, violets, and creeping phlox are all in bloom at once. Spring will be over in a hurry.
4/9/2010 7:00 AM 1.02 M M M M
4/10/2010 7:00 AM 0.00 0.0 M M M
4/11/2010 7:00 AM 0.00 0.0 M M M
4/12/2010 7:00 AM 0.00 0.0 M M M
4/13/2010 7:00 AM 0.00 0.0 M M M
4/14/2010 7:00 AM 0.28 M M M M
4/15/2010 7:00 AM 0.00 0.0 M M M
4/16/2010 7:00 AM 0.00 0.0 M M M
4/17/2010 7:00 AM T M M M M Saw a few sprinkles, but most of the rain missed us. Nothing in the gauge.
4/18/2010 7:00 AM 0.00 0.0 M M M
4/19/2010 7:00 AM 0.00 0.0 M M M
4/20/2010 7:00 AM 0.00 0.0 M M M
4/21/2010 7:00 AM 0.00 0.0 M M M
4/22/2010 7:00 AM 0.04 M M M M
4/23/2010 7:00 AM 0.00 0.0 M M M
4/24/2010 7:00 AM 0.00 0.0 M M M
4/25/2010 7:00 AM 0.13 M M M M Currently raining. Temp. 60ºF. Most of this rain occurred overnight. Reading at 5:30pm was only .01 inch.
4/26/2010 7:00 AM 0.11 M M M M A humid day. The big rains missed us. No thunder storms.
4/27/2010 7:00 AM 0.28 M M M M Received a trace only around noon. Heard thunder at 5:45pm. Majority of rain overnight.
4/28/2010 7:00 AM 0.00 0.0 M M M
4/29/2010 7:00 AM 0.00 0.0 M M M
4/30/2010 7:00 AM 0.00 0.0 M M M
5/1/2010 7:00 AM 0.00 0.0 M M M
5/2/2010 7:00 AM 0.00 0.0 M M M
5/3/2010 7:00 AM T M M M M Currently raining. No rain overnight. Rain started just before observation.
5/4/2010 7:00 AM 0.02 M M M M Rain fell around observation time yesterday.
5/5/2010 7:00 AM 0.00 0.0 M M M
5/6/2010 7:00 AM 0.00 0.0 M M M
5/7/2010 7:00 AM 0.00 0.0 M M M
5/8/2010 7:00 AM 0.00 0.0 M M M Temp. 70ºF
5/9/2010 7:00 AM 0.00 0.0 M M M Another dry day.
5/10/2010 7:00 AM 0.00 0.0 M M M Temp. 40ºF
5/11/2010 7:00 AM 0.00 0.0 M M M
5/12/2010 7:00 AM 0.11 M M M M I sure was hoping for more than .11inch.
5/13/2010 7:00 AM 0.01 M M M M Major rain missed us again.
5/14/2010 7:00 AM 0.00 0.0 M M M
5/15/2010 7:00 AM 0.76 M M M M After 17 days of insignificant or no rain we finally got wet. Hail report submitted.
5/16/2010 7:00 AM 0.00 0.0 M M M
5/17/2010 7:00 AM T M M M M Very light rain started before 6am. Didn't notice any at time of obs.
5/18/2010 7:00 AM 0.66 M M M M Currently, light rain. Gentle rain throughout the day yesterday.
5/19/2010 7:00 AM 0.02 M M M M
5/20/2010 7:00 AM T 0.0 M M M A few drips in the funnel but nothing in the gauge. Either heavy dew or light rain overnight.
5/21/2010 7:00 AM 0.00 0.0 M M M
5/22/2010 7:00 AM 0.00 0.0 M M M
5/23/2010 7:00 AM 1.04 M M M M Currently not raining. Yesterday, just a brief sprinkle. The major rain began at 5am this morning. A few lightning and thunder.
5/24/2010 7:00 AM 0.00 0.0 M M M
5/25/2010 7:00 AM T M M M M Currently a light mist. Surfaces covered with moisture and can feel light drips on skin at 7am. Calling it a trace. Temperature 65ºF.
5/26/2010 7:00 AM 0.00 0.0 M M M
5/27/2010 7:00 AM 0.00 0.0 M M M
5/28/2010 7:00 AM 0.49 M M M M Heavy rain, thunder and lightning overnight.
5/29/2010 7:00 AM 0.27 M M M M Rain and thunder last night. Rain woke me up this morning. Temp. 65ºF.
5/30/2010 7:00 AM 0.00 0.0 M M M
5/31/2010 7:00 AM 0.00 0.0 M M M
6/1/2010 7:00 AM 0.00 0.0 M M M
6/2/2010 7:00 AM 0.13 M M M M Heard thunder at 3pm, followed by rain at 3:30.
6/3/2010 7:00 AM 0.00 0.0 M M M
6/4/2010 7:00 AM 0.07 M M M M Windy, lightning, distant thunder and only .07inch of rain.
6/5/2010 7:00 AM 0.00 0.0 M M M Was not home at the time some rain moved through our area, so not sure if we got the sprinkle that fell in Charles county at the Southern Maryland Blue Crabs game.
6/6/2010 7:00 AM 0.00 0.0 M M M
6/7/2010 7:00 AM 0.05 M M M M
6/8/2010 7:00 AM 0.00 0.0 M M M
6/9/2010 7:00 AM 0.00 0.0 M M M
6/10/2010 7:00 AM T M M M M Yesterday morning's light sprinkle produced a trace in the tube, that I checked around 6:30pm. Early this morning, another spot of rain came by before the 7am reading, but the amount was still less than .01 inch.
6/11/2010 7:00 AM 0.00 0.0 M M M
6/12/2010 7:00 AM 0.00 0.0 M M M
6/13/2010 7:00 AM T M M M M Just under .01 inch.
6/14/2010 7:00 AM 0.00 0.0 M M M
6/15/2010 7:00 AM 0.01 M M M M Saw a sprinkle at 5:30pm, but the .01 fell after dark.
6/16/2010 7:00 AM T M M M M Shortly before observation, a sprinkle.
6/17/2010 7:00 AM T M M M M A dry June. Only .25 inch total since May 30.
6/18/2010 7:00 AM 0.00 0.0 M M M
6/19/2010 7:00 AM 0.00 0.0 M M M
6/20/2010 7:00 AM 0.00 0.0 M M M
6/21/2010 7:00 AM 0.00 0.0 M M M
6/22/2010 7:00 AM 0.00 0.0 M M M
6/23/2010 7:00 AM 0.21 M M M M A nice little rain with wind, thunder, and lightning.
6/24/2010 7:00 AM 0.00 0.0 M M M
6/25/2010 7:00 AM 0.05 M M M M
6/26/2010 7:00 AM 0.00 0.0 M M M
6/27/2010 7:00 AM 0.00 0.0 M M M
6/28/2010 7:00 AM 0.00 0.0 M M M
6/29/2010 7:00 AM T M M M M Bit of a sprinkle noticed. Nothing in the gauge.
6/30/2010 7:00 AM 0.00 0.0 M M M The humidity broke this morning, but that also means no chances for rainfall. This station's total precipitation for the month of June is .39 inch. This compares to 5.40 inches in 2009, and 5.70 inches in 2008.
7/1/2010 7:00 AM 0.00 0.0 M M M A beautiful cool morning.
7/2/2010 7:00 AM 0.00 0.0 M M M
7/6/2010 7:00 AM 0.00 0.0 M M M
7/7/2010 7:00 AM 0.00 0.0 M M M Yesterday's high temp. 94.8ºF. Some trees are dropping yellow leaves.
7/8/2010 7:00 AM 0.00 0.0 M M M Yesterday's high temp. 95.5ºF.
7/13/2010 7:00 AM 0.28 M M M M Afternoon rain brought .02inch. The rest of the .28 fell overnight with distant lightning.
7/14/2010 7:00 AM 0.39 M M M M Heavy rain at 8:38pm. Probably rained overnight also.
7/15/2010 7:00 AM 0.00 0.0 M M M
7/16/2010 7:00 AM 0.00 0.0 M M M
7/17/2010 7:00 AM 0.00 0.0 M M M
7/18/2010 7:00 AM 0.00 0.0 M M M
7/19/2010 7:00 AM 0.00 0.0 M M M
7/20/2010 7:00 AM 0.01 M M M M
7/21/2010 7:00 AM 0.01 M M M M Currently light rain. Light rain yesterday 9-10pm, approximately.
7/22/2010 7:00 AM T M M M M Trace from yesterday at 7am. No other rain after that.
7/23/2010 7:00 AM 0.00 0.0 M M M
7/24/2010 7:00 AM 0.00 0.0 M M M Overnight low temperature was 78.4ºF. Getting very weary of this relentless hot weather.
7/25/2010 7:00 AM 0.00 0.0 M M M
7/26/2010 7:00 AM 0.09 M M M M Brief rainfall, some thunder.
7/27/2010 7:00 AM 0.00 0.0 M M M
7/28/2010 7:00 AM 0.00 0.0 M M M
7/29/2010 7:00 AM 0.00 0.0 M M M
7/30/2010 7:00 AM 0.04 M M M M Sprinkle at 3:36pm gave us .01inch. Short downpour at 10:15pm gave us another .03 inch. Lovely 68º morning.
7/31/2010 7:00 AM 0.00 0.0 M M M
8/1/2010 7:00 AM 0.08 M M M M Early morning rain.
8/2/2010 7:00 AM 0.02 M M M M A trace came down yesterday at 1:10pm. Light rain this morning at about 5:30am.
8/3/2010 7:00 AM T M M M M Saw some sprinkles at 2:30pm.
8/4/2010 7:00 AM T M M M M
8/5/2010 7:00 AM 0.00 0.0 M M M
8/12/2010 7:00 AM 0.00 0.0 M M M Very humid. Temp. 79ºF.
8/13/2010 7:00 AM 1.60 M M M M The bulk, 1.58" fell in the morning storm, with no damage. Then .02" fell at 7:10pm.
8/14/2010 7:00 AM T M M M M Trace of mist at 9:20am.
8/15/2010 7:00 AM 0.00 0.0 M M M
8/16/2010 7:00 AM 0.96 M M M M Flooded areas were only flooded during the heavy rain and soaked in quickly after the rain stopped.
8/17/2010 7:00 AM 0.00 0.0 M M M
8/18/2010 7:00 AM 0.64 M M M M Awoke to thunder at 2:26am, rain started at 2:32am. Windy and distant lightning. Currently, light rain.
8/19/2010 7:00 AM 0.77 M M M M
8/20/2010 7:00 AM 0.00 0.0 M M M
8/21/2010 7:00 AM 0.00 0.0 M M M
8/22/2010 7:00 AM 0.00 0.0 M M M
8/23/2010 7:00 AM 0.52 M M M M A heavy downpour with thunder. Also a trace sprinkle around 9AM.
8/24/2010 7:00 AM 0.11 M M M M Heard rain at 11:30pm.
8/25/2010 7:00 AM 0.02 M M M M
8/26/2010 7:00 AM 0.00 0.0 M M M
8/27/2010 7:00 AM 0.00 0.0 M M M
8/28/2010 7:00 AM 0.00 0.0 M M M
8/29/2010 4:30 PM 0.00 0.0 M M M
8/30/2010 7:00 AM 0.00 0.0 M M M
8/31/2010 7:00 AM 0.00 0.0 M M M
9/1/2010 7:00 AM 0.00 0.0 M M M
9/2/2010 7:00 AM 0.00 0.0 M M M
9/3/2010 7:00 AM T M M M M Overcast. Sprinkles in the funnel.
9/4/2010 7:00 AM 0.02 M M M M Light rain from before 7am yesterday continued through the morning. Quite a humid day. Today is lovely and cool.
9/5/2010 7:00 AM 0.00 0.0 M M M
9/6/2010 7:00 AM 0.00 0.0 M M M
9/7/2010 7:00 AM 0.00 0.0 M M M
9/8/2010 7:00 AM 0.00 0.0 M M M
9/9/2010 7:00 AM 0.00 0.0 M M M
9/10/2010 7:00 AM 0.00 0.0 M M M
9/11/2010 7:00 AM 0.00 0.0 M M M Lovely weather but, as usual, that means no rain. Haven't had a good soak-in rain for 20 days. The grass and weeds don't seem to mind.
9/12/2010 7:00 AM 0.31 M M M M Currently raining.
9/13/2010 7:00 AM 0.42 M M M M Light, fine rain continued through Sunday until 6:30pm.
9/14/2010 7:00 AM 0.00 0.0 M M M
9/15/2010 7:00 AM 0.00 0.0 M M M
9/16/2010 7:00 AM 0.00 0.0 M M M
9/17/2010 7:00 AM 0.09 M M M M
9/18/2010 7:00 AM 0.00 0.0 M M M
9/19/2010 7:00 AM 0.00 0.0 M M M
9/20/2010 7:00 AM 0.00 0.0 M M M
9/21/2010 7:00 AM 0.00 0.0 M M M
9/22/2010 7:00 AM 0.00 0.0 M M M
9/23/2010 7:00 AM 0.00 0.0 M M M
9/24/2010 7:00 AM 0.00 0.0 M M M
9/25/2010 7:00 AM 0.00 0.0 M M M
9/26/2010 7:00 AM 0.00 0.0 M M M
9/27/2010 7:00 AM 0.67 M M M M
9/28/2010 7:00 AM 0.17 M M M M Light rain at obs. time. Temp. 71ºF.
9/29/2010 7:00 AM 0.14 M M M M
9/30/2010 7:00 AM 4.55 M M M M Currently, calm with light rain. Water build-up in grassy swales and some lawn puddles.



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
10/25/2009 10/26/2009 7:00 AM 2 0.50 0.0 M I believe that this half inch of rain fell on Saturday, October 24,2009. There was heavy rain in Cranbury, NJ on Saturday evening. Sunday (10/25) was a lovely clear drive home. Upon arrival at 5:30pm on 10/25 there was .50 in the gauge.
1/21/2010 1/26/2010 7:00 AM 6 1.01 0.0 M An inch and a half of rain in Las Vegas almost prevented us from landing on 1/21. Saw water rushing across the intersections as shuttle bus took us to our hotel.
7/3/2010 7/05/2010 7:00 AM 3 0.00 M M Spent a day in Buck County, PA and the dry conditions were apparent on the trip up there. Noticed young trees planted in road medians or parking lots that are dead. Most corn looked small for the date. Soybeans haven't grown much. I'm having to water any special plants that I don't want to lose.
7/9/2010 7/12/2010 7:00 AM 4 2.09 M M I believe this rain fell on Saturday (7/10) morning. Other days had no precipitation to my knowledge.
8/6/2010 8/11/2010 7:00 AM 6 0.36 M M My son read .36inch in the gauge at 8:00am on Aug. 6th. He also read the gauge daily and recorded zero inches for 8/7-8/10. Today's reading is also zero.



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
5/14/2010 7:45 PM 1" Quarter Size NA 1/2" Grape Hard|Clear Ice 10 3min no damage Continuous True After rain vertical