Weather History for Fort Belvoir, VA

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Week of February 17, 2013 through February 23, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 46 °F 40 °F 32 °F
Mean Temperature 39 °F 33 °F 28 °F
Min Temperature 32 °F 26 °F 18 °F
Degree Days  
Heating Degree Days (base 65) 36 32 26 222
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 43 °F 20 °F 2 °F
Precipitation  
Precipitation 0.04 in 0.01 in 0.00 in 0.05 in
Snowdepth - - - -
Wind  
Wind 23 mph 8 mph 0 mph
Gust Wind 33 mph 22 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.42 in 30.14 in 29.77 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

Feb. 20, 2013 Rise Set
Actual Time 6:53 AM EST 5:52 PM EST
Civil Twilight 6:26 AM EST 6:19 PM EST
Nautical Twilight 5:55 AM EST 6:50 PM EST
Astronomical Twilight 5:24 AM EST 7:21 PM EST
Moon 1:13 PM EST (2/20) 3:09 AM EST (2/20)
Length of Visible Light 11h 53m
Length of Day
10h 59m
Waxing Gibbous, 76% of the Moon is Illuminated
Feb 20
Waxing Gibbous
Feb 25
Full
Mar 4
Last Quarter
Mar 11
New
Mar 19
First Quarter

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  
17 32 28 25 16 9 2 60 44 33 30.24 30.02 29.87 10 10 10 23 15 33 0.00  
18 42 30 18 18 11 6 65 45 26 30.42 30.31 30.19 10 10 10 10 6 20 0.00  
19 46 38 30 41 34 18 93 78 52 30.16 29.92 29.77 10 10 9 10 5 17 0.04 Rain
20 40 34 26 16 12 7 48 41 34 30.20 30.08 29.97 10 10 10 20 13 30 0.00  
21 40 32 24 15 12 7 53 46 35 30.35 30.24 30.17 10 10 10 18 11 26 0.00  
22 34 32 30 31 24 15 93 73 50 30.41 30.33 30.25 10 10 8 7 3 - 0.01 Rain
23 46 39 32 43 36 30 100 94 87 30.23 30.05 29.83 10 4 2 9 1 - 0.00 Rain