Weather History for Fort Belvoir, VA

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Week of January 27, 2013 through February 2, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 70 °F 50 °F 30 °F
Mean Temperature 57 °F 40 °F 27 °F
Min Temperature 44 °F 30 °F 20 °F
Degree Days  
Heating Degree Days (base 65) 38 25 8 174
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 7 1 0 10
Dew Point  
Dew Point 63 °F 33 °F 1 °F
Precipitation  
Precipitation 0.68 in 0.15 in 0.00 in 1.04 in
Snowdepth - - - -
Wind  
Wind 29 mph 5 mph 0 mph
Gust Wind 37 mph 26 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.63 in 30.01 in 29.18 in

Weekly Weather History Graph

Weekly Weather History Graph

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Date:

Astronomy

Jan. 29, 2013 Rise Set
Actual Time 7:16 AM EST 5:27 PM EST
Civil Twilight 6:48 AM EST 5:55 PM EST
Nautical Twilight 6:16 AM EST 6:27 PM EST
Astronomical Twilight 5:45 AM EST 6:58 PM EST
Moon 8:18 PM EST 8:14 AM EST
Length of Visible Light 11h 06m
Length of Day
10h 10m
Waning Gibbous, 94% of the Moon is Illuminated
Jan 29
Waning Gibbous
Feb 3
Last Quarter
Feb 10
New
Feb 17
First Quarter
Feb 25
Full

Daily Weather History & Observations

2013 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Jan high avg low high avg low high avg low high avg low high avg low high avg high sum  
27 39 31 23 22 18 16 87 65 40 30.63 30.54 30.47 10 10 10 6 1 - 0.00  
28 44 36 29 40 32 23 95 85 65 30.50 30.30 30.09 10 8 4 8 4 - 0.09 Rain , Snow
29 69 53 37 51 40 36 100 90 52 30.15 30.08 30.00 10 4 1 8 1 - 0.00  
30 70 57 44 61 54 43 100 88 68 29.98 29.68 29.24 10 7 2 29 4 37 0.68 Rain
31 66 47 28 63 45 13 94 71 33 29.95 29.41 29.18 10 9 2 26 12 34 0.27 Rain
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  
1 33 27 20 28 19 1 87 66 32 30.42 29.99 29.82 10 7 2 29 9 37 0.00 Snow
2 30 28 27 27 25 23 93 85 80 30.13 30.10 30.04 10 8 5 8 4 - 0.00 Snow