Weather History for Fort Belvoir, VA

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Week of February 10, 2013 through February 16, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 60 °F 50 °F 41 °F
Mean Temperature 46 °F 40 °F 31 °F
Min Temperature 37 °F 30 °F 18 °F
Degree Days  
Heating Degree Days (base 65) 34 25 20 177
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 50 °F 31 °F 15 °F
Precipitation  
Precipitation 0.16 in 0.05 in 0.00 in 0.37 in
Snowdepth - - - -
Wind  
Wind 18 mph 2 mph 0 mph
Gust Wind 26 mph 20 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.51 in 29.99 in 29.68 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

Feb. 12, 2013 Rise Set
Actual Time 7:03 AM EST 5:43 PM EST
Civil Twilight 6:35 AM EST 6:10 PM EST
Nautical Twilight 6:04 AM EST 6:42 PM EST
Astronomical Twilight 5:33 AM EST 7:12 PM EST
Moon 8:01 AM EST (2/12) 8:39 PM EST (2/12)
Length of Visible Light 11h 35m
Length of Day
10h 40m
Waxing Crescent, 7% of the Moon is Illuminated
Feb 12
Waxing Crescent
Feb 17
First Quarter
Feb 25
Full
Mar 4
Last Quarter
Mar 11
New

Daily Weather History & Observations

2013 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Feb high avg low high avg low high avg low high avg low high avg low high avg high sum  
10 44 31 18 29 19 16 89 60 37 30.51 30.41 30.27 10 10 10 9 2 - 0.00  
11 53 45 37 50 40 30 100 94 65 30.26 29.97 29.74 10 5 0 9 2 - 0.16 Fog , Rain
12 57 46 34 39 32 26 100 69 31 30.01 29.91 29.83 10 7 0 10 4 - 0.00 Fog
13 46 40 33 39 35 26 100 83 54 29.98 29.74 29.68 10 7 2 8 2 - 0.13 Rain , Snow
14 49 38 27 34 30 25 100 91 39 30.04 29.92 29.81 10 3 0 10 1 18 0.00 Fog
15 60 44 27 37 32 26 95 77 32 30.06 30.02 29.91 10 10 8 18 3 26 0.06 Rain
16 41 37 32 36 31 15 100 83 45 30.04 29.96 29.86 10 9 2 17 3 25 0.02 Rain , Snow