History for Fort Belvoir, VA

Friday, December 28, 2012 — View Current Conditions
Friday, December 28, 2012
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Daily Weekly Monthly Custom
  Actual Average Record
Temperature
Mean Temperature 36 °F -  
Max Temperature 43 °F 44 °F 70 °F (2008)
Min Temperature 28 °F 26 °F 12 °F (2004)
Degree Days
Heating Degree Days 30    
Moisture
Dew Point 26 °F    
Average Humidity 69    
Maximum Humidity 89    
Minimum Humidity 49    
Precipitation
Precipitation 0.00 in - - ()
Sea Level Pressure
Sea Level Pressure 30.10 in    
Wind
Wind Speed 4 mph (WNW)    
Max Wind Speed 12 mph    
Max Gust Speed -    
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
May. 21, 2013 Rise Set
Actual Time 7:26 AM EST 4:55 PM EST
Civil Twilight 6:56 AM EST 5:24 PM EST
Nautical Twilight 6:22 AM EST 5:58 PM EST
Astronomical Twilight 5:50 AM EST 6:30 PM EST
Moon 5:29 PM EST (12/28) 7:19 AM EST (12/28)
Length Of Visible Light 10h 28m
Length of Day
9h 29m
Full, 100% of the Moon is Illuminated
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full
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Hourly Observations
Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:55 AM 36.3 °F 30.8 °F 25.7 °F 65% 30.04 in 10.0 mi WNW 6.9 mph - N/A   Clear
1:55 AM 36.7 °F 29.4 °F 26.1 °F 65% 30.04 in 10.0 mi NW 10.4 mph - N/A   Clear
2:55 AM 36.5 °F 32.7 °F 26.1 °F 66% 30.06 in 10.0 mi NNW 4.6 mph - N/A   Clear
3:55 AM 35.8 °F 33.0 °F 26.2 °F 68% 30.09 in 10.0 mi West 3.5 mph - N/A   Mostly Cloudy
4:55 AM 31.1 °F - 27.0 °F 85% 30.09 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
5:55 AM 30.6 °F 27.1 °F 26.2 °F 84% 30.11 in 10.0 mi West 3.5 mph - N/A   Clear
6:55 AM 28.6 °F - 25.5 °F 88% 30.12 in 10.0 mi Calm Calm - N/A   Clear
7:55 AM 29.1 °F - 26.2 °F 89% 30.14 in 10.0 mi Calm Calm - N/A   Clear
8:55 AM 32.9 °F - 28.9 °F 85% 30.15 in 10.0 mi Calm Calm - N/A   Clear
9:55 AM 38.3 °F 30.9 °F 24.8 °F 58% 30.18 in 10.0 mi NW 11.5 mph - N/A   Clear
10:55 AM 40.6 °F 35.4 °F 25.0 °F 54% 30.17 in 10.0 mi NNW 8.1 mph - N/A   Clear
11:55 AM 42.1 °F 40.2 °F 24.8 °F 50% 30.13 in 10.0 mi NW 3.5 mph - N/A   Partly Cloudy
12:55 PM 42.4 °F 40.7 °F 24.8 °F 50% 30.12 in 10.0 mi West 3.5 mph - N/A   Mostly Cloudy
1:55 PM 43.2 °F 41.5 °F 25.2 °F 49% 30.12 in 10.0 mi West 3.5 mph - N/A   Overcast
2:55 PM 42.6 °F 40.9 °F 25.3 °F 51% 30.11 in 10.0 mi NW 3.5 mph - N/A   Overcast
3:55 PM 42.1 °F 40.2 °F 25.5 °F 52% 30.11 in 10.0 mi NW 3.5 mph - N/A   Scattered Clouds
4:55 PM 40.3 °F - 25.2 °F 55% 30.10 in 10.0 mi Calm Calm - N/A   Clear
5:55 PM 34.9 °F - 26.1 °F 70% 30.09 in 10.0 mi Calm Calm - N/A   Clear
6:55 PM 33.8 °F - 27.0 °F 76% 30.11 in 10.0 mi Calm Calm - N/A   Clear
7:55 PM 32.4 °F - 26.4 °F 79% 30.10 in 10.0 mi Calm Calm - N/A   Clear
8:55 PM 32.5 °F - 27.0 °F 80% 30.10 in 10.0 mi Calm Calm - N/A   Overcast
9:55 PM 31.8 °F 28.5 °F 28.4 °F 87% 30.09 in 10.0 mi ESE 3.5 mph - N/A   Scattered Clouds
10:55 PM 33.8 °F - 27.9 °F 79% 30.08 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
11:55 PM 33.6 °F - 28.8 °F 82% 30.06 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
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