Weather History for Dulles Airport, VA

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Week of June 9, 2013 through June 15, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 89 °F 83 °F 79 °F
Mean Temperature 77 °F 74 °F 70 °F
Min Temperature 68 °F 64 °F 57 °F
Degree Days  
Heating Degree Days (base 65) 0 0 0 0
Cooling Degree Days (base 65) 12 9 5 60
Growing Degree Days (base 50) 26 23 20 162
Dew Point  
Dew Point 73 °F 62 °F 49 °F
Precipitation  
Precipitation 0.98 in 0.29 in 0.00 in 1.47 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 35 mph 7 mph 0 mph
Gust Wind 52 mph 22 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.19 in 29.89 in 29.50 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

Jun. 13, 2013 Rise Set
Actual Time 5:43 AM EDT 8:36 PM EDT
Civil Twilight 5:11 AM EDT 9:08 PM EDT
Nautical Twilight 4:31 AM EDT 9:48 PM EDT
Astronomical Twilight 3:45 AM EDT 10:34 PM EDT
Moon 10:16 AM EDT (6/13) 11:44 PM EDT (6/13)
Length of Visible Light 15h 56m
Length of Day
14h 52m
Waxing Crescent, 21% of the Moon is Illuminated
Jun 13
Waxing Crescent
Jun 16
First Quarter
Jun 23
Full
Jun 30
Last Quarter
Jul 8
New

Daily Weather History & Observations

2013 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Jun high avg low high avg low high avg low high avg low high avg low high avg high sum  
9 80 71 62 70 64 58 84 73 62 30.19 30.13 30.09 10 10 9 12 4 15 0.18 Rain , Thunderstorm
10 81 75 68 73 69 66 97 88 79 30.11 29.96 29.79 10 6 1 21 6 28 0.98 Rain , Thunderstorm
11 84 75 66 67 63 61 93 72 51 29.86 29.82 29.79 10 10 10 21 9 25 0.00  
12 89 77 65 71 64 60 93 68 43 29.87 29.84 29.79 10 10 10 20 5 25 T Rain
13 86 77 67 72 66 54 93 72 51 29.93 29.64 29.50 10 8 0 35 11 52 0.31 Rain , Thunderstorm
14 79 70 61 56 52 49 78 57 35 29.99 29.83 29.62 10 10 10 24 12 32 T Rain
15 82 70 57 58 55 52 86 62 37 30.09 30.03 30.00 10 10 10 15 5 31 0.00