Dulles Airport, VA

7:59 AM EST on November 18, 2017 (GMT -0500)
Washington Dulles International

Weather History for KIAD - March, 2013

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Week of March 17, 2013 through March 23, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 59 °F 47 °F 37 °F
Mean Temperature 47 °F 38 °F 32 °F
Min Temperature 34 °F 29 °F 22 °F
Degree Days  
Heating Degree Days (base 65) 33 27 18 189
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 37 °F 21 °F 7 °F
Precipitation  
Precipitation 0.46 in 0.08 in 0.00 in 0.46 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 31 mph 9 mph 0 mph
Gust Wind 44 mph 23 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.33 in 29.97 in 29.73 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

Mar. 22, 2013 Rise Set
Actual Time 7:09 AM EDT 7:23 PM EDT
Civil Twilight 6:43 AM EDT 7:50 PM EDT
Nautical Twilight 6:12 AM EDT 8:21 PM EDT
Astronomical Twilight 5:40 AM EDT 8:53 PM EDT
Moon 2:51 PM EDT (3/22) 4:06 AM EDT (3/22)
Length of Visible Light 13h 07m
Length of Day
12h 14m
Waxing Gibbous, 77% of the Moon is Illuminated
Mar 22
Waxing Gibbous
Mar 27
Full
Apr 3
Last Quarter
Apr 10
New
Apr 18
First Quarter

Daily Weather History & Observations

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  
17 40 35 30 32 27 21 92 70 48 30.28 30.12 29.93 10 8 4 14 6 16 0.00  
18 37 34 31 36 31 22 100 76 52 30.33 30.17 29.90 10 3 0 13 5 22 0.46 Fog , Rain , Snow
19 59 47 34 37 29 7 100 60 19 29.92 29.81 29.73 10 5 0 31 11 44 0.00 Fog
20 52 43 34 25 13 9 54 37 19 30.01 29.90 29.77 10 10 10 22 11 30 0.00  
21 37 32 26 28 15 7 64 48 32 29.92 29.83 29.78 10 9 2 24 13 33 T Snow
22 48 37 25 18 14 9 55 42 28 30.01 29.94 29.89 10 10 10 23 10 33 0.00  
23 54 38 22 22 20 17 84 54 24 30.04 29.99 29.92 10 10 10 17 6 22 0.00