Weather History for Dulles Airport, VA

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Week of February 24, 2013 through March 2, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 55 °F 46 °F 37 °F
Mean Temperature 47 °F 39 °F 33 °F
Min Temperature 39 °F 31 °F 22 °F
Degree Days  
Heating Degree Days (base 65) 32 26 18 183
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 41 °F 28 °F 16 °F
Precipitation  
Precipitation 0.71 in 0.15 in 0.00 in 0.76 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 25 mph 9 mph 0 mph
Gust Wind 38 mph 22 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.23 in 29.87 in 29.54 in

Weekly Weather History Graph

Weekly Weather History Graph

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Date:

Astronomy

Feb. 24, 2013 Rise Set
Actual Time 6:48 AM EST 5:57 PM EST
Civil Twilight 6:22 AM EST 6:24 PM EST
Nautical Twilight 5:51 AM EST 6:55 PM EST
Astronomical Twilight 5:20 AM EST 7:26 PM EST
Moon 5:06 PM EST (2/24) 5:44 AM EST (2/24)
Length of Visible Light 12h 02m
Length of Day
11h 08m
Waxing Gibbous, 99% of the Moon is Illuminated
Feb 24
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  
24 51 41 31 39 30 16 100 66 32 30.13 29.92 29.81 10 8 2 24 10 37 0.00  
25 47 35 22 25 20 17 85 60 34 30.22 30.19 30.13 10 10 10 13 5 17 0.00  
26 44 35 26 41 33 22 96 78 59 30.23 29.96 29.62 10 6 2 25 9 38 0.71 Rain
27 55 47 39 41 36 31 92 69 45 29.70 29.62 29.54 10 8 1 17 8 22 0.04 Rain
28 45 41 37 35 28 24 76 61 45 29.74 29.68 29.65 10 10 10 21 9 30 0.01 Rain
2013 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Mar high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 44 40 35 29 26 21 75 62 49 29.91 29.82 29.75 10 10 10 17 10 25 T Snow
2 37 33 29 23 21 18 69 61 52 29.91 29.88 29.84 10 10 8 16 9 21 T Snow