Weather History for Langley AFB, VA

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Sunday, January 20, 2013

  Actual Average Record
Temperature  
Mean Temperature 51 °F -  
Max Temperature 60 °F 46 °F 73 °F (1951)
Min Temperature 42 °F 29 °F 2 °F (1985)
Degree Days  
Heating Degree Days 14    
Growing Degree Days 1 (Base 50)    
Moisture  
Dew Point 34 °F    
Average Humidity 56    
Maximum Humidity 69    
Minimum Humidity 39    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.01 in    
Wind  
Wind Speed 10 mph (WSW)    
Max Wind Speed 22 mph    
Max Gust Speed 31 mph    
Visibility 10 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

Jan. 20, 2013 Rise Set
Actual Time 7:15 AM EST 5:17 PM EST
Civil Twilight 6:47 AM EST 5:45 PM EST
Nautical Twilight 6:16 AM EST 6:17 PM EST
Astronomical Twilight 5:45 AM EST 6:48 PM EST
Moon 12:17 PM EST (1/20) 1:46 AM EST (1/20)
Length of Visible Light 10h 57m
Length of Day
10h 01m
Waxing Gibbous, 66% of the Moon is Illuminated
Jan 20
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
12:55 AM 42.4 °F 39.6 °F 30.9 °F 64% 30.11 in 10.0 mi SW 4.6 mph - N/A   Clear
1:55 AM 44.4 °F 40.0 °F 33.8 °F 66% 30.10 in 10.0 mi SW 8.1 mph - N/A   Clear
2:55 AM 45.3 °F 41.1 °F 35.4 °F 68% 30.08 in 10.0 mi WSW 8.1 mph - N/A   Clear
3:55 AM 45.5 °F 40.3 °F 35.2 °F 67% 30.06 in 10.0 mi WSW 10.4 mph - N/A   Clear
4:55 AM 46.9 °F - 34.7 °F 62% 30.04 in 10.0 mi WSW 11.5 mph 20.7 mph N/A   Clear
5:55 AM 45.5 °F 39.6 °F 34.7 °F 66% 30.02 in 10.0 mi SW 12.7 mph - N/A   Clear
6:55 AM 44.2 °F 38.4 °F 34.5 °F 69% 30.02 in 10.0 mi WSW 11.5 mph - N/A   Clear
7:55 AM 44.1 °F 39.0 °F 34.2 °F 68% 30.01 in 10.0 mi WSW 9.2 mph - N/A   Clear
8:55 AM 46.4 °F 41.9 °F 33.8 °F 62% 30.01 in 10.0 mi WSW 9.2 mph 18.4 mph N/A   Clear
9:55 AM 49.8 °F - 34.5 °F 56% 30.02 in 10.0 mi WSW 15.0 mph - N/A   Clear
10:55 AM 53.2 °F - 35.1 °F 50% 30.00 in 10.0 mi West 18.4 mph 21.9 mph N/A   Clear
11:55 AM 56.5 °F - 35.6 °F 46% 29.96 in 10.0 mi WSW 18.4 mph 25.3 mph N/A   Clear
12:55 PM 57.9 °F - 36.5 °F 45% 29.93 in 10.0 mi WSW 16.1 mph 26.5 mph N/A   Clear
1:55 PM 60.1 °F - 36.3 °F 41% 29.91 in 10.0 mi WSW 21.9 mph 31.1 mph N/A   Clear
2:55 PM 60.3 °F - 36.1 °F 41% 29.91 in 10.0 mi West 15.0 mph 24.2 mph N/A   Clear
3:55 PM 60.1 °F - 34.9 °F 39% 29.92 in 10.0 mi West 10.4 mph - N/A   Clear
4:55 PM 57.2 °F - 33.8 °F 41% 29.94 in 10.0 mi West 15.0 mph - N/A   Clear
5:55 PM 53.4 °F - 34.7 °F 49% 29.97 in 10.0 mi West 8.1 mph - N/A   Clear
6:55 PM 49.6 °F - 34.2 °F 55% 29.99 in 10.0 mi West 6.9 mph - N/A   Clear
7:55 PM 48.2 °F - 33.8 °F 58% 30.03 in 10.0 mi WSW 6.9 mph - N/A   Clear
8:55 PM 48.4 °F - 33.1 °F 56% 30.04 in 10.0 mi West 5.8 mph - N/A   Clear
9:55 PM 47.1 °F - 33.1 °F 58% 30.06 in 10.0 mi West 9.2 mph - N/A   Clear
10:55 PM 46.8 °F - 31.6 °F 56% 30.07 in 10.0 mi Calm Calm - N/A   Clear
11:55 PM 43.3 °F 41.7 °F 30.4 °F 60% 30.08 in 10.0 mi NNE 3.5 mph - N/A   Clear