Weather History for Leonardtown, MD

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Sunday, December 9, 2012

  Actual Average (KNHK) Record (KNHK)
Temperature  
Mean Temperature 46 °F -  
Max Temperature 50 °F 50 °F 70 °F (1978)
Min Temperature 42 °F 31 °F 16 °F (2006)
Degree Days  
Heating Degree Days 19    
Moisture  
Dew Point 46 °F    
Average Humidity 93    
Maximum Humidity 100    
Minimum Humidity 87    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.10 in    
Wind  
Wind Speed 1 mph (ENE)    
Max Wind Speed 6 mph    
Max Gust Speed -    
Visibility 1 miles    
Events      
Averages and records for this station are not official NWS values.
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Dec. 09, 2012 Rise Set
Actual Time 7:11 AM EST 4:45 PM EST
Civil Twilight 6:42 AM EST 5:15 PM EST
Nautical Twilight 6:09 AM EST 5:48 PM EST
Astronomical Twilight 5:37 AM EST 6:20 PM EST
Moon 2:44 AM EST (12/9) 1:49 PM EST (12/9)
Length of Visible Light 10h 32m
Length of Day
9h 33m
Waning Crescent, 19% of the Moon is Illuminated
Dec 9
Waning Crescent
Dec 13
New
Dec 20
First Quarter
Dec 28
Full
Jan 4
Last Quarter

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:05 AM 44.6 °F - 42.8 °F 93% 30.04 in 1.2 mi Calm Calm - N/A   Mostly Cloudy
12:27 AM 42.8 °F - 42.8 °F 100% 30.03 in 1.2 mi Calm Calm - N/A   Scattered Clouds
12:48 AM 42.8 °F - 41.0 °F 93% 30.04 in 0.8 mi Calm Calm - N/A   Overcast
1:09 AM 42.8 °F - 42.8 °F 100% 30.04 in 0.2 mi Calm Calm - N/A   Overcast
1:31 AM 42.8 °F - 42.8 °F 100% 30.04 in 0.5 mi Calm Calm - N/A   Overcast
1:52 AM 42.8 °F - 41.0 °F 93% 30.04 in 1.0 mi Calm Calm - N/A   Overcast
2:13 AM 42.8 °F - 41.0 °F 93% 30.05 in 1.8 mi Calm Calm - N/A   Overcast
2:56 AM 44.6 °F - 42.8 °F 93% 30.07 in 0.2 mi Calm Calm - N/A   Overcast
3:17 AM 44.6 °F - 42.8 °F 93% 30.07 in 0.2 mi Calm Calm - N/A   Overcast
3:38 AM 44.6 °F - 42.8 °F 93% 30.07 in 0.2 mi Calm Calm - N/A   Overcast
4:00 AM 44.6 °F - 44.6 °F 100% 30.07 in 0.2 mi Calm Calm - N/A   Overcast
4:21 AM 44.6 °F - 44.6 °F 100% 30.07 in 0.2 mi Calm Calm - N/A   Overcast
4:42 AM 46.4 °F - 44.6 °F 93% 30.07 in 0.5 mi Calm Calm - N/A   Overcast
5:04 AM 44.6 °F - 44.6 °F 100% 30.08 in 0.2 mi Calm Calm - N/A   Overcast
5:25 AM 44.6 °F - 44.6 °F 100% 30.09 in 0.2 mi Calm Calm - N/A   Overcast
5:46 AM 46.4 °F - 44.6 °F 93% 30.09 in 0.5 mi Calm Calm - N/A   Overcast
6:29 AM 46.4 °F - 44.6 °F 93% 30.10 in 0.5 mi Calm Calm - N/A   Overcast
6:50 AM 46.4 °F - 44.6 °F 93% 30.11 in 0.8 mi Calm Calm - N/A   Overcast
7:12 AM 46.4 °F - 44.6 °F 93% 30.13 in 0.5 mi Calm Calm - N/A   Overcast
7:33 AM 46.4 °F - 44.6 °F 93% 30.14 in 0.2 mi Calm Calm - N/A   Overcast
7:54 AM 46.4 °F - 46.4 °F 100% 30.16 in 0.2 mi Calm Calm - N/A   Overcast
8:15 AM 46.4 °F 45.2 °F 46.4 °F 100% 30.16 in 0.2 mi North 3.5 mph - N/A   Overcast
8:36 AM 46.4 °F 45.2 °F 46.4 °F 100% 30.16 in 0.2 mi NE 3.5 mph - N/A   Overcast
8:58 AM 46.4 °F 45.2 °F 46.4 °F 100% 30.16 in 0.2 mi NNE 3.5 mph - N/A   Overcast
9:19 AM 48.2 °F - 46.4 °F 93% 30.17 in 0.8 mi NE 3.5 mph - N/A   Overcast
9:40 AM 48.2 °F - 46.4 °F 93% 30.16 in 1.5 mi ENE 4.6 mph - N/A   Overcast
10:01 AM 50.0 °F - 46.4 °F 87% 30.17 in 2.0 mi ENE 4.6 mph - N/A   Overcast
10:23 AM 50.0 °F - 46.4 °F 87% 30.17 in 1.8 mi NE 3.5 mph - N/A   Overcast
10:44 AM 50.0 °F - 48.2 °F 94% 30.17 in 1.5 mi NE 3.5 mph - N/A   Overcast
11:05 AM 50.0 °F - 48.2 °F 94% 30.15 in 1.5 mi ENE 3.5 mph - N/A   Overcast
11:26 AM 50.0 °F - 48.2 °F 94% 30.14 in 1.2 mi NE 5.8 mph - N/A   Overcast
11:48 AM 50.0 °F - 48.2 °F 94% 30.14 in 1.2 mi ENE 3.5 mph - N/A   Overcast
12:09 PM 50.0 °F - 48.2 °F 94% 30.14 in 1.5 mi ENE 5.8 mph - N/A   Overcast
12:30 PM 50.0 °F - 48.2 °F 94% 30.14 in 1.5 mi ENE 3.5 mph - N/A   Overcast
12:51 PM 50.0 °F - 48.2 °F 94% 30.13 in 1.5 mi East 5.8 mph - N/A   Overcast
1:34 PM 50.0 °F - 48.2 °F 94% 30.13 in 0.8 mi East 3.5 mph - N/A   Overcast
2:37 PM 50.0 °F - 48.2 °F 94% 30.12 in 0.8 mi East 4.6 mph - N/A   Overcast
2:59 PM 50.0 °F - 48.2 °F 94% 30.12 in 0.8 mi East 4.6 mph - N/A   Overcast
3:20 PM 50.0 °F - 46.4 °F 87% 30.12 in 0.8 mi East 5.8 mph - N/A   Overcast
3:41 PM 50.0 °F - 46.4 °F 87% 30.12 in 0.8 mi East 4.6 mph - N/A   Overcast
4:03 PM 50.0 °F - 46.4 °F 87% 30.12 in 0.8 mi Calm Calm - N/A   Overcast
4:24 PM 50.0 °F - 46.4 °F 87% 30.12 in 0.8 mi ENE 3.5 mph - N/A   Overcast
4:45 PM 50.0 °F - 46.4 °F 87% 30.11 in 0.5 mi East 4.6 mph - N/A   Overcast
5:06 PM 50.0 °F - 46.4 °F 87% 30.12 in 1.2 mi East 3.5 mph - N/A   Overcast
5:27 PM 50.0 °F - 46.4 °F 87% 30.12 in 1.0 mi Calm Calm - N/A   Overcast
5:49 PM 50.0 °F - 46.4 °F 87% 30.12 in 1.2 mi Calm Calm - N/A   Overcast
6:10 PM 50.0 °F - 46.4 °F 87% 30.11 in 1.2 mi Calm Calm - N/A   Overcast
6:31 PM 50.0 °F - 46.4 °F 87% 30.11 in 0.8 mi Calm Calm - N/A   Overcast
6:52 PM 50.0 °F - 48.2 °F 94% 30.10 in 2.0 mi Calm Calm - N/A   Overcast
7:14 PM 50.0 °F - 48.2 °F 94% 30.09 in 1.8 mi Calm Calm - N/A   Overcast
7:35 PM 50.0 °F - 48.2 °F 94% 30.09 in 0.8 mi Calm Calm - N/A   Overcast
7:56 PM 50.0 °F - 48.2 °F 94% 30.08 in 0.5 mi Calm Calm - N/A   Overcast
8:17 PM 50.0 °F - 46.4 °F 87% 30.07 in 0.2 mi Calm Calm - N/A   Overcast
8:39 PM 50.0 °F - 46.4 °F 87% 30.07 in 0.2 mi Calm Calm - N/A   Overcast
9:00 PM 50.0 °F - 48.2 °F 94% 30.05 in 0.2 mi Calm Calm - N/A   Overcast
9:21 PM 50.0 °F - 48.2 °F 94% 30.05 in 0.5 mi Calm Calm - N/A   Overcast
9:42 PM 50.0 °F - 48.2 °F 94% 30.04 in 0.5 mi Calm Calm - N/A   Overcast
10:04 PM 50.0 °F - 48.2 °F 94% 30.03 in 0.5 mi Calm Calm - N/A   Overcast
10:25 PM 50.0 °F - 48.2 °F 94% 30.03 in 0.2 mi Calm Calm - N/A   Overcast
10:46 PM 50.0 °F - 48.2 °F 94% 30.02 in 0.2 mi Calm Calm - N/A   Overcast
11:08 PM 50.0 °F - 48.2 °F 94% 30.01 in 0.2 mi Calm Calm - N/A   Overcast
11:29 PM 50.0 °F - 48.2 °F 94% 30.01 in 1.0 mi Calm Calm - N/A   Overcast
11:50 PM 50.0 °F - 48.2 °F 94% 30.00 in 2.0 mi Calm Calm - N/A   Overcast