Weather History for Dulles Airport, VA

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Sunday, February 24, 2013

  Actual Average Record
Temperature  
Mean Temperature 41 °F 36 °F  
Max Temperature 51 °F 46 °F 79 °F (1985)
Min Temperature 31 °F 26 °F 14 °F (1967)
Degree Days  
Heating Degree Days 24 29  
Month to date heating degree days 726 393  
Since 1 July heating degree days 3262 3177  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 30 °F    
Average Humidity 66    
Maximum Humidity 100    
Minimum Humidity 32    
Precipitation  
Precipitation 0.00 in 0.10 in 1.52 in (1979)
Month to date precipitation 0.87 1.28  
Year to date precipitation 4.57 3.96  
Snow  
Snow 0.00 in 0.30 in 3.00 in (1992)
Month to date snowfall 1.3 4.0  
Since 1 July snowfall 5.3 15.3  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.92 in    
Wind  
Wind Speed 10 mph (NW)    
Max Wind Speed 24 mph    
Max Gust Speed 37 mph    
Visibility 8 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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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

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:52 AM 41.0 °F 37.1 °F 39.0 °F 93% 29.86 in 8.0 mi Variable 5.8 mph - N/A   Overcast
1:01 AM 41.0 °F 36.4 °F 39.2 °F 93% 29.84 in 8.0 mi Variable 6.9 mph - N/A   Overcast
1:52 AM 41.0 °F 36.4 °F 39.0 °F 93% 29.85 in 6.0 mi Variable 6.9 mph - N/A   Overcast
2:52 AM 41.0 °F 37.1 °F 39.0 °F 93% 29.83 in 3.0 mi Variable 5.8 mph - N/A   Overcast
3:07 AM 41.0 °F 38.0 °F 39.2 °F 93% 29.82 in 2.5 mi Variable 4.6 mph - N/A   Overcast
3:25 AM 39.2 °F 37.0 °F 39.2 °F 100% 29.81 in 3.0 mi Variable 3.5 mph - N/A   Overcast
3:52 AM 39.9 °F 35.8 °F 39.0 °F 97% 29.81 in 5.0 mi WSW 5.8 mph - N/A   Overcast
4:52 AM 39.9 °F 35.8 °F 37.9 °F 93% 29.83 in 8.0 mi West 5.8 mph - N/A   Overcast
5:32 AM 39.2 °F 35.0 °F 37.4 °F 93% 29.84 in 8.0 mi WNW 5.8 mph - N/A   Overcast
5:52 AM 39.9 °F 36.7 °F 37.0 °F 89% 29.84 in 9.0 mi Variable 4.6 mph - N/A   Mostly Cloudy
6:00 AM 39.2 °F 35.9 °F 37.4 °F 93% 29.84 in 9.0 mi Variable 4.6 mph - N/A   Mostly Cloudy
6:52 AM 37.0 °F 33.3 °F 35.1 °F 93% 29.86 in 6.0 mi Variable 4.6 mph - N/A   Mostly Cloudy
7:52 AM 41.0 °F - 37.9 °F 89% 29.86 in 5.0 mi Calm Calm - N/A   Partly Cloudy
8:52 AM 44.1 °F 40.8 °F 35.1 °F 71% 29.88 in 10.0 mi West 5.8 mph - N/A   Partly Cloudy
9:52 AM 46.0 °F 41.0 °F 32.0 °F 58% 29.90 in 10.0 mi WNW 10.4 mph 21.9 mph N/A   Mostly Cloudy
10:52 AM 46.9 °F - 28.0 °F 48% 29.90 in 10.0 mi WNW 16.1 mph 21.9 mph N/A   Partly Cloudy
11:52 AM 48.9 °F - 27.0 °F 43% 29.90 in 10.0 mi NNW 12.7 mph 23.0 mph N/A   Partly Cloudy
12:52 PM 50.0 °F - 26.1 °F 39% 29.88 in 10.0 mi NNW 17.3 mph 25.3 mph N/A   Partly Cloudy
1:52 PM 50.0 °F - 26.1 °F 39% 29.88 in 10.0 mi NW 13.8 mph 21.9 mph N/A   Partly Cloudy
2:52 PM 51.1 °F - 24.1 °F 35% 29.88 in 10.0 mi WNW 17.3 mph 27.6 mph N/A   Partly Cloudy
3:52 PM 50.0 °F - 21.9 °F 33% 29.91 in 10.0 mi NW 15.0 mph 26.5 mph N/A   Partly Cloudy
4:52 PM 44.1 °F 35.7 °F 23.0 °F 43% 29.95 in 10.0 mi North 20.7 mph 29.9 mph N/A   Partly Cloudy
5:52 PM 39.9 °F 31.8 °F 21.9 °F 49% 30.01 in 10.0 mi NNW 15.0 mph 25.3 mph N/A   Partly Cloudy
6:52 PM 37.0 °F 27.4 °F 21.0 °F 52% 30.04 in 10.0 mi NW 17.3 mph 31.1 mph N/A   Partly Cloudy
7:52 PM 36.0 °F 28.5 °F 19.9 °F 52% 30.08 in 10.0 mi NW 10.4 mph 24.2 mph N/A   Mostly Cloudy
8:52 PM 35.1 °F 26.9 °F 17.1 °F 48% 30.12 in 10.0 mi NNW 11.5 mph 19.6 mph N/A   Partly Cloudy
9:52 PM 34.0 °F 27.2 °F 16.0 °F 48% 30.12 in 10.0 mi NW 8.1 mph - N/A   Partly Cloudy
10:52 PM 32.0 °F 26.4 °F 16.0 °F 52% 30.13 in 10.0 mi West 5.8 mph - N/A   Clear
11:52 PM 30.9 °F 24.3 °F 17.1 °F 57% 30.13 in 10.0 mi WNW 6.9 mph - N/A   Clear