Weather History for Martinsburg, WV

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Wednesday, December 12, 2012

  Actual Average Record
Temperature  
Mean Temperature 34 °F 35 °F  
Max Temperature 40 °F 44 °F 74 °F (1979)
Min Temperature 28 °F 26 °F 3 °F (1988)
Degree Days  
Heating Degree Days 31 30  
Month to date heating degree days 243 341  
Since 1 July heating degree days 1352 1411  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 1145 895  
Moisture  
Dew Point 24 °F    
Average Humidity 68    
Maximum Humidity 85    
Minimum Humidity 50    
Precipitation  
Precipitation 0.00 in 0.10 in 1.35 in (1983)
Month to date precipitation 0.63 1.23  
Year to date precipitation 30.03 37.22  
Sea Level Pressure  
Sea Level Pressure 30.39 in    
Wind  
Wind Speed 4 mph (NW)    
Max Wind Speed 12 mph    
Max Gust Speed 18 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Date:

Astronomy

Dec. 12, 2012 Rise Set
Actual Time 7:23 AM EST 4:48 PM EST
Civil Twilight 6:52 AM EST 5:18 PM EST
Nautical Twilight 6:19 AM EST 5:52 PM EST
Astronomical Twilight 5:46 AM EST 6:25 PM EST
Moon 6:25 AM EST (12/12) 4:23 PM EST (12/12)
Length of Visible Light 10h 26m
Length of Day
9h 25m
Waning Crescent, 1% of the Moon is Illuminated
Dec 12
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
12:53 AM 33.1 °F 30.0 °F 24.1 °F 70% 30.25 in 10.0 mi WSW 3.5 mph - N/A   Overcast
1:53 AM 34.0 °F 29.8 °F 24.1 °F 67% 30.26 in 10.0 mi West 4.6 mph - N/A   Overcast
2:53 AM 35.1 °F 32.2 °F 25.0 °F 67% 30.28 in 10.0 mi WNW 3.5 mph - N/A   Overcast
3:53 AM 36.0 °F 32.1 °F 24.1 °F 62% 30.30 in 10.0 mi WNW 4.6 mph - N/A   Overcast
4:53 AM 37.0 °F 31.6 °F 24.1 °F 59% 30.33 in 10.0 mi WNW 6.9 mph - N/A   Overcast
5:53 AM 37.0 °F 31.6 °F 24.1 °F 59% 30.34 in 10.0 mi WNW 6.9 mph - N/A   Overcast
6:53 AM 36.0 °F - 24.1 °F 62% 30.37 in 10.0 mi Calm Calm - N/A   Overcast
7:53 AM 35.1 °F 29.3 °F 23.0 °F 61% 30.38 in 10.0 mi NW 6.9 mph - N/A   Clear
8:53 AM 37.0 °F 32.4 °F 24.1 °F 59% 30.41 in 10.0 mi NW 5.8 mph - N/A   Clear
9:53 AM 39.0 °F 34.0 °F 24.1 °F 55% 30.43 in 10.0 mi NNW 6.9 mph - N/A   Clear
10:53 AM 39.9 °F 33.9 °F 23.0 °F 51% 30.43 in 10.0 mi North 9.2 mph - N/A   Clear
11:53 AM 39.0 °F 33.4 °F 23.0 °F 53% 30.42 in 10.0 mi NNW 8.1 mph - N/A   Clear
12:53 PM 39.0 °F 35.7 °F 23.0 °F 53% 30.41 in 10.0 mi North 4.6 mph - N/A   Clear
1:53 PM 39.0 °F 35.7 °F 23.0 °F 53% 30.40 in 10.0 mi WNW 4.6 mph - N/A   Clear
2:53 PM 39.9 °F 36.7 °F 23.0 °F 51% 30.40 in 10.0 mi North 4.6 mph - N/A   Clear
3:53 PM 39.0 °F 36.8 °F 24.1 °F 55% 30.41 in 10.0 mi NNE 3.5 mph - N/A   Clear
4:53 PM 37.0 °F - 24.1 °F 59% 30.41 in 10.0 mi Calm Calm - N/A   Clear
5:53 PM 35.1 °F - 24.1 °F 64% 30.40 in 10.0 mi Calm Calm - N/A   Clear
6:53 PM 35.1 °F 32.2 °F 25.0 °F 67% 30.42 in 10.0 mi NW 3.5 mph - N/A   Clear
7:53 PM 32.0 °F - 25.0 °F 75% 30.44 in 10.0 mi Calm Calm - N/A   Clear
8:53 PM 32.0 °F - 26.1 °F 79% 30.43 in 8.0 mi Calm Calm - N/A   Clear
9:53 PM 30.9 °F - 26.1 °F 82% 30.46 in 9.0 mi Calm Calm - N/A   Clear
10:53 PM 32.0 °F - 26.1 °F 79% 30.45 in 10.0 mi Calm Calm - N/A   Clear
11:53 PM 30.0 °F - 25.0 °F 82% 30.44 in 8.0 mi Calm Calm - N/A   Clear