Weather History for Langley AFB, VA

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Friday, April 12, 2013

  Actual Average Record
Temperature  
Mean Temperature 74 °F -  
Max Temperature 81 °F 63 °F 92 °F (1930)
Min Temperature 68 °F 44 °F 30 °F (1940)
Cooling Degree Days 8    
Growing Degree Days 24 (Base 50)    
Moisture  
Dew Point 66 °F    
Average Humidity 82    
Maximum Humidity 94    
Minimum Humidity 63    
Precipitation  
Precipitation 0.09 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.72 in    
Wind  
Wind Speed 17 mph (SSW)    
Max Wind Speed 26 mph    
Max Gust Speed 32 mph    
Visibility 9 miles    
Events Rain    
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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Date:

Astronomy

Apr. 12, 2013 Rise Set
Actual Time 6:34 AM EDT 7:37 PM EDT
Civil Twilight 6:08 AM EDT 8:04 PM EDT
Nautical Twilight 5:36 AM EDT 8:36 PM EDT
Astronomical Twilight 5:03 AM EDT 9:09 PM EDT
Moon 7:46 AM EDT (4/12) 10:03 PM EDT (4/12)
Length of Visible Light 13h 56m
Length of Day
13h 02m
Waxing Crescent, 5% of the Moon is Illuminated
Apr 12
Waxing Crescent
Apr 18
First Quarter
Apr 25
Full
May 2
Last Quarter
May 9
New

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:55 AM 71.6 °F 64.0 °F 77% 29.82 in 10.0 mi South 15.0 mph - N/A   Clear
1:55 AM 71.1 °F 64.4 °F 79% 29.82 in 10.0 mi SSW 17.3 mph - N/A   Clear
2:55 AM 70.3 °F 64.8 °F 82% 29.81 in 10.0 mi SSW 15.0 mph - N/A   Partly Cloudy
3:55 AM 69.8 °F 64.9 °F 84% 29.78 in 10.0 mi SSW 16.1 mph - N/A   Clear
4:55 AM 69.8 °F 65.1 °F 85% 29.78 in 10.0 mi SSW 15.0 mph - N/A   Overcast
5:55 AM 69.3 °F 64.6 °F 85% 29.77 in 10.0 mi South 16.1 mph - N/A   Overcast
6:55 AM 69.6 °F 64.4 °F 83% 29.76 in 10.0 mi South 19.6 mph 25.3 mph N/A   Overcast
7:30 AM 69.8 °F 64.4 °F 83% 29.78 in 10.0 mi South 18.4 mph 29.9 mph N/A Rain Light Rain
7:41 AM 69.8 °F 64.4 °F 83% 29.78 in 8.0 mi South 19.6 mph - N/A   Mostly Cloudy
7:55 AM 69.6 °F 64.8 °F 84% 29.77 in 10.0 mi SSW 17.3 mph 25.3 mph 0.00 in   Mostly Cloudy
8:04 AM 69.8 °F 64.4 °F 83% 29.77 in 10.0 mi South 15.0 mph 24.2 mph N/A Rain Light Rain
8:55 AM 68.4 °F 64.9 °F 89% 29.78 in 6.0 mi SSW 19.6 mph 27.6 mph 0.02 in Rain Light Rain
9:55 AM 68.0 °F 65.3 °F 91% 29.78 in 5.0 mi SSW 16.1 mph - 0.04 in Rain Light Rain
10:17 AM 68.0 °F 66.2 °F 94% 29.77 in 10.0 mi South 15.0 mph 21.9 mph N/A   Mostly Cloudy
10:25 AM 68.0 °F 66.2 °F 94% 29.77 in 10.0 mi South 17.3 mph 23.0 mph N/A   Mostly Cloudy
10:29 AM 68.0 °F 66.2 °F 94% 29.77 in 10.0 mi South 15.0 mph - N/A   Mostly Cloudy
10:55 AM 69.3 °F 66.0 °F 89% 29.77 in 10.0 mi South 16.1 mph - 0.00 in   Overcast
11:04 AM 69.8 °F 66.2 °F 88% 29.76 in 10.0 mi South 21.9 mph 27.6 mph N/A Rain Light Rain
11:12 AM 69.8 °F 66.2 °F 88% 29.76 in 5.0 mi South 18.4 mph 28.8 mph N/A Rain Light Rain
11:22 AM 69.8 °F 66.2 °F 88% 29.75 in 9.0 mi South 16.1 mph - N/A   Mostly Cloudy
11:55 AM 71.1 °F 66.6 °F 86% 29.74 in 10.0 mi South 12.7 mph - 0.01 in   Mostly Cloudy
12:31 PM 75.2 °F 66.2 °F 73% 29.72 in 10.0 mi South 19.6 mph 27.6 mph N/A   Mostly Cloudy
12:44 PM 75.2 °F 66.2 °F 73% 29.72 in 10.0 mi South 19.6 mph 27.6 mph N/A   Mostly Cloudy
12:55 PM 75.7 °F 66.9 °F 74% 29.72 in 10.0 mi SSW 20.7 mph 28.8 mph 0.01 in   Overcast
12:56 PM 75.2 °F 66.2 °F 73% 29.71 in 9.0 mi South 17.3 mph 28.8 mph N/A Rain Light Rain
1:04 PM 73.4 °F 68.0 °F 83% 29.71 in 3.0 mi South 16.1 mph - N/A Rain Light Rain
1:11 PM 73.4 °F 68.0 °F 83% 29.70 in 10.0 mi South 13.8 mph 23.0 mph N/A   Mostly Cloudy
1:55 PM 77.2 °F 67.1 °F 71% 29.68 in 10.0 mi South 26.5 mph 32.2 mph 0.01 in   Partly Cloudy
2:55 PM 79.5 °F 67.5 °F 66% 29.66 in 10.0 mi SSW 18.4 mph 26.5 mph N/A   Scattered Clouds
3:55 PM 79.2 °F 65.7 °F 63% 29.65 in 10.0 mi SSW 20.7 mph 27.6 mph N/A   Mostly Cloudy
4:55 PM 77.2 °F 65.7 °F 67% 29.61 in 10.0 mi SSW 16.1 mph - N/A   Scattered Clouds
5:55 PM 74.7 °F 66.2 °F 75% 29.62 in 10.0 mi South 15.0 mph - N/A   Scattered Clouds
6:55 PM 73.4 °F 66.9 °F 80% 29.60 in 10.0 mi South 16.1 mph - N/A   Partly Cloudy
7:55 PM 72.9 °F 65.3 °F 77% 29.61 in 10.0 mi South 15.0 mph - N/A   Clear
8:55 PM 72.1 °F 65.5 °F 79% 29.61 in 10.0 mi South 17.3 mph - N/A   Clear
9:55 PM 70.9 °F 65.8 °F 84% 29.62 in 10.0 mi South 15.0 mph - N/A   Clear
10:55 PM 70.5 °F 65.8 °F 85% 29.63 in 10.0 mi SSW 16.1 mph - N/A   Mostly Cloudy
11:55 PM 70.2 °F 65.8 °F 86% 29.66 in 10.0 mi SW 17.3 mph - N/A   Scattered Clouds