Fort Belvoir, VA

4:47 AM EDT on March 24, 2017 (GMT -0400)
Davison Army Air Field

Weather History for KDAA - January, 2012

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Wednesday, January 18, 2012

  Actual Average Record
Temperature  
Mean Temperature 42 °F -  
Max Temperature 57 °F 41 °F 60 °F (1999)
Min Temperature 25 °F 24 °F 5 °F (1997)
Degree Days  
Heating Degree Days 24    
Moisture  
Dew Point 22 °F    
Average Humidity 47    
Maximum Humidity 78    
Minimum Humidity 31    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.03 in    
Wind  
Wind Speed 14 mph (NW)    
Max Wind Speed 25 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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Daily Weather History Graph

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Date:

Astronomy

Jan. 18, 2012 Rise Set
Actual Time 7:24 AM EST 5:14 PM EST
Civil Twilight 6:55 AM EST 5:43 PM EST
Nautical Twilight 6:22 AM EST 6:15 PM EST
Astronomical Twilight 5:51 AM EST 6:47 PM EST
Moon 2:51 AM EST (1/18) 12:51 PM EST (1/18)
Length of Visible Light 10h 47m
Length of Day
9h 49m
Waning Crescent, 25% of the Moon is Illuminated
Jan 18
Waning Crescent
Jan 23
New
Jan 30
First Quarter
Feb 7
Full
Feb 14
Last Quarter

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:55 AM 57.7 °F - 51.1 °F 78% 29.74 in 10.0 mi Variable 5.8 mph - N/A   Scattered Clouds
1:39 AM 57.2 °F - 46.4 °F 67% 29.76 in 10.0 mi NW 25.3 mph 29.9 mph N/A   Mostly Cloudy
1:42 AM 55.4 °F - 42.8 °F 63% 29.77 in 10.0 mi NW 20.7 mph 29.9 mph N/A   Mostly Cloudy
1:44 AM 55.4 °F - 42.8 °F 63% 29.77 in 10.0 mi NW 18.4 mph 29.9 mph N/A   Mostly Cloudy
1:55 AM 55.0 °F - 39.6 °F 56% 29.78 in 10.0 mi NW 17.3 mph - N/A   Overcast
2:55 AM 49.3 °F - 29.1 °F 46% 29.83 in 10.0 mi NW 15.0 mph 26.5 mph N/A   Partly Cloudy
3:55 AM 45.5 °F 39.9 °F 28.2 °F 51% 29.87 in 10.0 mi NW 11.5 mph - N/A   Clear
4:55 AM 44.6 °F 35.7 °F 21.9 °F 41% 29.90 in 10.0 mi NW 24.2 mph 31.1 mph N/A   Clear
5:55 AM 43.5 °F 37.5 °F 21.9 °F 42% 29.94 in 10.0 mi WNW 11.5 mph 23.0 mph N/A   Clear
6:55 AM 42.3 °F 35.1 °F 23.4 °F 47% 29.98 in 10.0 mi NW 13.8 mph 23.0 mph N/A   Mostly Cloudy
7:55 AM 40.1 °F 30.5 °F 26.2 °F 58% 30.01 in 10.0 mi NW 20.7 mph 25.3 mph N/A   Scattered Clouds
8:55 AM 40.6 °F 33.4 °F 20.1 °F 44% 30.06 in 10.0 mi WNW 12.7 mph 29.9 mph N/A   Clear
9:55 AM 41.9 °F 32.8 °F 18.0 °F 38% 30.09 in 10.0 mi NW 20.7 mph 28.8 mph N/A   Clear
10:55 AM 43.0 °F 34.5 °F 19.2 °F 39% 30.10 in 10.0 mi NW 19.6 mph 25.3 mph N/A   Partly Cloudy
11:55 AM 41.4 °F 31.4 °F 18.5 °F 40% 30.09 in 10.0 mi NW 24.2 mph 31.1 mph N/A   Partly Cloudy
12:55 PM 40.8 °F 31.4 °F 17.6 °F 39% 30.10 in 10.0 mi NW 20.7 mph 28.8 mph N/A   Mostly Cloudy
1:55 PM 41.7 °F 34.4 °F 14.0 °F 32% 30.08 in 10.0 mi North 13.8 mph 27.6 mph N/A   Clear
2:55 PM 40.3 °F 32.6 °F 11.7 °F 31% 30.10 in 10.0 mi NNW 13.8 mph 31.1 mph N/A   Clear
3:55 PM 39.6 °F 32.5 °F 12.2 °F 33% 30.12 in 10.0 mi NW 11.5 mph 19.6 mph N/A   Clear
4:55 PM 37.0 °F 28.9 °F 11.7 °F 35% 30.14 in 10.0 mi NW 12.7 mph - N/A   Clear
5:55 PM 35.1 °F 30.1 °F 11.7 °F 38% 30.16 in 10.0 mi NNW 5.8 mph - N/A   Clear
6:25 PM 35.6 °F 28.0 °F 10.4 °F 35% 30.16 in 10.0 mi NW 10.4 mph - N/A   Clear
6:55 PM 34.3 °F 28.4 °F 11.7 °F 39% 30.19 in 10.0 mi Variable 6.9 mph - N/A   Clear
7:55 PM 33.4 °F 25.9 °F 11.3 °F 40% 30.19 in 10.0 mi NNW 9.2 mph - N/A   Clear
8:55 PM 31.8 °F 26.2 °F 11.5 °F 43% 30.19 in 10.0 mi Variable 5.8 mph - N/A   Partly Cloudy
9:55 PM 30.4 °F - 12.4 °F 47% 30.20 in 10.0 mi Calm Calm - N/A   Clear
10:55 PM 26.2 °F - 15.4 °F 64% 30.22 in 10.0 mi Calm Calm - N/A   Clear
11:55 PM 25.5 °F - 15.8 °F 67% 30.22 in 10.0 mi Calm Calm - N/A   Clear