Weather History for Martinsburg, WV

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Friday, May 11, 2012

  Actual Average Record
Temperature  
Mean Temperature 59 °F 60 °F  
Max Temperature 73 °F 71 °F 91 °F (1979)
Min Temperature 44 °F 48 °F 26 °F (1966)
Degree Days  
Heating Degree Days 6 6  
Month to date heating degree days 16 82  
Since 1 July heating degree days 3979 5139  
Cooling Degree Days 0 1  
Month to date cooling degree days 32 11  
Year to date cooling degree days 49 20  
Growing Degree Days 9 (Base 50)    
Moisture  
Dew Point 34 °F    
Average Humidity 45    
Maximum Humidity 65    
Minimum Humidity 24    
Precipitation  
Precipitation 0.00 in 0.13 in 1.95 in (2008)
Month to date precipitation 1.15 1.44  
Year to date precipitation 9.53 13.08  
Sea Level Pressure  
Sea Level Pressure 30.11 in    
Wind  
Wind Speed 8 mph (WNW)    
Max Wind Speed 18 mph    
Max Gust Speed 25 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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Astronomy

May. 11, 2012 Rise Set
Actual Time 6:01 AM EDT 8:15 PM EDT
Civil Twilight 5:31 AM EDT 8:45 PM EDT
Nautical Twilight 4:54 AM EDT 9:22 PM EDT
Astronomical Twilight 4:14 AM EDT 10:03 PM EDT
Moon 12:54 AM EDT (5/11) 11:31 AM EDT (5/11)
Length of Visible Light 15h 14m
Length of Day
14h 14m
Waning Gibbous, 63% of the Moon is Illuminated
May 11
Waning Gibbous
May 12
Last Quarter
May 20
New
May 28
First Quarter
Jun 4
Full

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 51.1 °F 34.0 °F 52% 29.99 in 10.0 mi West 3.5 mph - N/A   Clear
1:53 AM 46.9 °F 35.1 °F 63% 30.01 in 10.0 mi Variable 3.5 mph - N/A   Clear
2:53 AM 48.9 °F 34.0 °F 56% 30.01 in 10.0 mi NW 8.1 mph - N/A   Clear
3:53 AM 48.9 °F 34.0 °F 56% 30.02 in 10.0 mi West 6.9 mph - N/A   Clear
4:53 AM 48.9 °F 33.1 °F 54% 30.04 in 10.0 mi WNW 5.8 mph - N/A   Clear
5:53 AM 48.0 °F 33.1 °F 56% 30.07 in 10.0 mi West 6.9 mph - N/A   Clear
6:53 AM 50.0 °F 33.1 °F 52% 30.11 in 10.0 mi West 8.1 mph - N/A   Clear
7:53 AM 54.0 °F 34.0 °F 47% 30.13 in 10.0 mi West 8.1 mph - N/A   Clear
8:53 AM 57.0 °F 33.1 °F 40% 30.15 in 10.0 mi WNW 10.4 mph - N/A   Clear
9:53 AM 61.0 °F 32.0 °F 34% 30.15 in 10.0 mi WNW 12.7 mph - N/A   Clear
10:53 AM 64.9 °F 34.0 °F 32% 30.15 in 10.0 mi NW 10.4 mph - N/A   Clear
11:53 AM 66.0 °F 28.9 °F 25% 30.14 in 10.0 mi NNW 9.2 mph 21.9 mph N/A   Clear
12:53 PM 68.0 °F 34.0 °F 28% 30.12 in 10.0 mi NW 8.1 mph 19.6 mph N/A   Clear
1:53 PM 69.1 °F 35.1 °F 29% 30.11 in 10.0 mi West 10.4 mph 25.3 mph N/A   Clear
2:17 PM 69.8 °F 32.0 °F 25% 30.11 in 10.0 mi NNW 9.2 mph 18.4 mph N/A   Clear
2:53 PM 71.1 °F 33.1 °F 25% 30.10 in 10.0 mi WNW 9.2 mph 16.1 mph N/A   Clear
3:53 PM 72.0 °F 34.0 °F 25% 30.10 in 10.0 mi West 11.5 mph 16.1 mph N/A   Clear
4:53 PM 72.0 °F 34.0 °F 25% 30.10 in 10.0 mi NW 15.0 mph 19.6 mph N/A   Clear
5:53 PM 71.1 °F 34.0 °F 26% 30.10 in 10.0 mi WNW 10.4 mph 19.6 mph N/A   Partly Cloudy
6:53 PM 71.1 °F 35.1 °F 27% 30.11 in 10.0 mi WNW 13.8 mph - N/A   Partly Cloudy
7:53 PM 68.0 °F 35.1 °F 30% 30.13 in 10.0 mi WNW 8.1 mph - N/A   Clear
8:53 PM 66.0 °F 35.1 °F 32% 30.16 in 10.0 mi WNW 6.9 mph - N/A   Clear
9:53 PM 60.1 °F 37.0 °F 42% 30.18 in 10.0 mi Calm Calm - N/A   Clear
10:53 PM 53.1 °F 41.0 °F 64% 30.19 in 10.0 mi WSW 6.9 mph - N/A   Clear
11:53 PM 53.1 °F 39.9 °F 61% 30.20 in 10.0 mi South 5.8 mph - N/A   Clear