Fort Belvoir, VA

1:16 AM EDT on September 20, 2017 (GMT -0400)
Davison Army Air Field

Weather History for KDAA - January, 2013

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Monday, January 21, 2013

  Actual Average Record
Temperature  
Mean Temperature 38 °F -  
Max Temperature 46 °F 41 °F 50 °F (1999)
Min Temperature 30 °F 24 °F 8 °F (2008)
Degree Days  
Heating Degree Days 27    
Moisture  
Dew Point 19 °F    
Average Humidity 48    
Maximum Humidity 61    
Minimum Humidity 36    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.00 in    
Wind  
Wind Speed 6 mph (North)    
Max Wind Speed 21 mph    
Max Gust Speed 32 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. 21, 2013 Rise Set
Actual Time 7:22 AM EST 5:18 PM EST
Civil Twilight 6:53 AM EST 5:46 PM EST
Nautical Twilight 6:21 AM EST 6:19 PM EST
Astronomical Twilight 5:49 AM EST 6:50 PM EST
Moon 12:56 PM EST (1/21) 2:48 AM EST (1/21)
Length of Visible Light 10h 53m
Length of Day
9h 55m
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
12:55 AM 36.0 °F 32.1 °F 15.4 °F 43% 30.10 in 10.0 mi NNE 4.6 mph - N/A   Clear
1:55 AM 36.5 °F 31.8 °F 14.2 °F 40% 30.11 in 10.0 mi North 5.8 mph - N/A   Clear
2:55 AM 35.8 °F 33.0 °F 14.5 °F 42% 30.12 in 10.0 mi North 3.5 mph - N/A   Clear
3:55 AM 34.7 °F - 14.4 °F 43% 30.12 in 10.0 mi Calm Calm - N/A   Clear
4:55 AM 32.0 °F - 18.9 °F 58% 30.10 in 10.0 mi Calm Calm - N/A   Clear
5:55 AM 30.4 °F - 18.1 °F 60% 30.11 in 10.0 mi Calm Calm - N/A   Clear
6:55 AM 32.4 °F - 16.2 °F 51% 30.12 in 10.0 mi Calm Calm - N/A   Clear
7:55 AM 32.5 °F 29.3 °F 17.8 °F 55% 30.12 in 10.0 mi East 3.5 mph - N/A   Partly Cloudy
8:55 AM 35.1 °F 31.0 °F 19.8 °F 54% 30.12 in 10.0 mi Variable 4.6 mph - N/A   Partly Cloudy
9:55 AM 37.2 °F 34.7 °F 20.8 °F 52% 30.11 in 10.0 mi Variable 3.5 mph - N/A   Mostly Cloudy
10:55 AM 40.6 °F 34.8 °F 21.0 °F 46% 30.09 in 10.0 mi SE 9.2 mph - N/A   Overcast
11:55 AM 40.6 °F 35.4 °F 21.6 °F 47% 30.02 in 10.0 mi SE 8.1 mph - N/A   Mostly Cloudy
12:55 PM 41.7 °F 37.3 °F 23.7 °F 49% 29.96 in 10.0 mi Variable 6.9 mph - N/A   Mostly Cloudy
1:55 PM 44.4 °F 39.5 °F 24.8 °F 46% 29.91 in 10.0 mi ESE 9.2 mph - N/A   Mostly Cloudy
2:55 PM 45.9 °F 43.6 °F 25.9 °F 46% 29.87 in 10.0 mi Variable 4.6 mph - N/A   Clear
3:55 PM 46.4 °F 42.9 °F 27.0 °F 47% 29.83 in 10.0 mi ESE 6.9 mph - N/A   Clear
4:55 PM 44.2 °F 42.7 °F 27.3 °F 51% 29.81 in 10.0 mi SE 3.5 mph - N/A   Clear
5:55 PM 40.6 °F 38.6 °F 28.2 °F 61% 29.82 in 10.0 mi NW 3.5 mph - N/A   Mostly Cloudy
6:55 PM 43.2 °F 35.3 °F 20.5 °F 40% 29.87 in 10.0 mi NNW 17.3 mph 24.2 mph N/A   Mostly Cloudy
7:55 PM 39.6 °F 31.7 °F 14.5 °F 36% 29.90 in 10.0 mi NNW 13.8 mph 27.6 mph N/A   Clear
8:55 PM 35.8 °F 27.8 °F 15.8 °F 44% 29.92 in 10.0 mi NW 11.5 mph 17.3 mph N/A   Clear
9:55 PM 33.8 °F 25.3 °F 15.1 °F 46% 29.93 in 10.0 mi NW 11.5 mph 25.3 mph N/A   Clear
10:55 PM 32.4 °F 22.1 °F 13.3 °F 45% 29.94 in 10.0 mi NW 15.0 mph 23.0 mph N/A   Clear
11:55 PM 31.5 °F 19.1 °F 12.0 °F 45% 29.94 in 10.0 mi NW 20.7 mph 32.2 mph N/A   Clear