Weather History for Martinsburg, WV

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Monday, January 21, 2013

  Actual Average Record
Temperature  
Mean Temperature 34 °F 31 °F  
Max Temperature 42 °F 39 °F 66 °F (1959)
Min Temperature 25 °F 22 °F -18 °F (1994)
Degree Days  
Heating Degree Days 31 34  
Month to date heating degree days 553 714  
Since 1 July heating degree days 2439 2740  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 13 °F    
Average Humidity 49    
Maximum Humidity 68    
Minimum Humidity 30    
Precipitation  
Precipitation T in 0.08 in 0.88 in (1974)
Month to date precipitation 1.40 1.61  
Year to date precipitation 1.40 1.61  
Sea Level Pressure  
Sea Level Pressure 29.98 in    
Wind  
Wind Speed 8 mph (West)    
Max Wind Speed 28 mph    
Max Gust Speed 35 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Astronomy

Jan. 21, 2013 Rise Set
Actual Time 7:27 AM EST 5:19 PM EST
Civil Twilight 6:58 AM EST 5:48 PM EST
Nautical Twilight 6:25 AM EST 6:21 PM EST
Astronomical Twilight 5:53 AM EST 6:53 PM EST
Moon 12:58 PM EST (1/21) 2:53 AM EST (1/21)
Length of Visible Light 10h 50m
Length of Day
9h 52m
Waxing Gibbous, 75% of the Moon is Illuminated
Jan 21
Waxing Gibbous
Jan 26
Full
Feb 3
Last Quarter
Feb 10
New
Feb 17
First 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 30.0 °F 25.2 °F 12.9 °F 49% 30.09 in 10.0 mi NE 4.6 mph - N/A   Overcast
1:53 AM 30.9 °F 27.5 °F 14.0 °F 50% 30.10 in 10.0 mi ENE 3.5 mph - N/A   Overcast
2:53 AM 30.0 °F 24.1 °F 14.0 °F 51% 30.10 in 10.0 mi North 5.8 mph - N/A   Overcast
4:53 AM 26.1 °F 21.9 °F 14.0 °F 60% 30.08 in 10.0 mi ESE 3.5 mph - N/A   Partly Cloudy
5:53 AM 25.0 °F - 15.1 °F 66% 30.08 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:53 AM 28.0 °F - 14.0 °F 56% 30.07 in 10.0 mi Calm Calm - N/A   Overcast
8:53 AM 28.0 °F - 16.0 °F 61% 30.07 in 10.0 mi Calm Calm - N/A   Overcast
9:53 AM 30.0 °F - 16.0 °F 56% 30.06 in 10.0 mi Calm Calm - N/A   Overcast
10:53 AM 32.0 °F 28.7 °F 16.0 °F 52% 30.04 in 10.0 mi South 3.5 mph - N/A   Overcast
11:53 AM 34.0 °F - 15.1 °F 46% 29.98 in 10.0 mi Calm Calm - N/A   Overcast
12:53 PM 36.0 °F 30.3 °F 15.1 °F 43% 29.92 in 10.0 mi South 6.9 mph - N/A   Overcast
1:53 PM 39.0 °F 34.0 °F 15.1 °F 38% 29.87 in 10.0 mi South 6.9 mph - N/A   Overcast
2:53 PM 41.0 °F 37.1 °F 16.0 °F 36% 29.83 in 10.0 mi SW 5.8 mph - N/A   Clear
3:53 PM 42.1 °F 38.4 °F 15.1 °F 34% 29.83 in 10.0 mi WSW 5.8 mph - N/A   Scattered Clouds
4:53 PM 39.9 °F 31.1 °F 10.9 °F 31% 29.86 in 10.0 mi NW 17.3 mph 26.5 mph N/A   Clear
5:53 PM 35.1 °F 24.1 °F 12.9 °F 40% 29.89 in 10.0 mi WNW 19.6 mph 26.5 mph N/A   Clear
6:53 PM 32.0 °F 20.8 °F 14.0 °F 48% 29.93 in 10.0 mi WNW 17.3 mph 23.0 mph N/A   Clear
7:53 PM 30.9 °F 21.7 °F 12.9 °F 47% 29.93 in 10.0 mi WNW 11.5 mph 21.9 mph N/A   Clear
8:53 PM 30.0 °F 16.3 °F 8.1 °F 40% 29.94 in 10.0 mi West 24.2 mph 33.4 mph N/A   Mostly Cloudy
9:53 PM 28.9 °F 16.5 °F 9.0 °F 43% 29.96 in 10.0 mi WNW 18.4 mph 29.9 mph N/A   Overcast
10:53 PM 27.0 °F 13.9 °F 10.0 °F 49% 29.98 in 9.0 mi WNW 18.4 mph 28.8 mph 0.00 in   Overcast
11:53 PM 25.0 °F 10.9 °F 6.1 °F 45% 29.99 in 10.0 mi WNW 19.6 mph 32.2 mph N/A   Overcast