Weather History for Dulles Airport, VA

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Tuesday, March 5, 2013

  Actual Average Record
Temperature  
Mean Temperature 39 °F 40 °F  
Max Temperature 51 °F 52 °F 79 °F (1976)
Min Temperature 27 °F 30 °F 7 °F (1978)
Degree Days  
Heating Degree Days 26 24  
Month to date heating degree days 143 125  
Since 1 July heating degree days 3507 3715  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 19 °F    
Average Humidity 45    
Maximum Humidity 69    
Minimum Humidity 21    
Precipitation  
Precipitation 0.03 in 0.09 in 1.41 in (1965)
Month to date precipitation 0.03 0.46  
Year to date precipitation 5.36 5.88  
Snow  
Snow T in 0.10 in 1.00 in (2001)
Month to date snowfall T 0.7  
Since 1 July snowfall 5.3 19.6  
Snow Depth T in    
Sea Level Pressure  
Sea Level Pressure 29.98 in    
Wind  
Wind Speed 6 mph (East)    
Max Wind Speed 20 mph    
Max Gust Speed 29 mph    
Visibility 10 miles    
Events Rain , Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Date:

Astronomy

Mar. 05, 2013 Rise Set
Actual Time 6:36 AM EST 6:06 PM EST
Civil Twilight 6:09 AM EST 6:33 PM EST
Nautical Twilight 5:38 AM EST 7:04 PM EST
Astronomical Twilight 5:07 AM EST 7:35 PM EST
Moon 1:43 AM EST (3/5) 11:46 AM EST (3/5)
Length of Visible Light 12h 24m
Length of Day
11h 30m
Last Quarter, 41% of the Moon is Illuminated
Mar 5
Last Quarter
Mar 11
New
Mar 19
First Quarter
Mar 27
Full
Apr 3
Last 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 33.1 °F 26.9 °F 17.1 °F 52% 30.06 in 10.0 mi West 6.9 mph - N/A   Scattered Clouds
2:52 AM 34.0 °F 28.0 °F 16.0 °F 48% 30.05 in 10.0 mi NW 6.9 mph - N/A   Mostly Cloudy
3:52 AM 32.0 °F 26.4 °F 17.1 °F 54% 30.07 in 10.0 mi West 5.8 mph - N/A   Mostly Cloudy
4:52 AM 30.0 °F 26.5 °F 19.0 °F 64% 30.07 in 10.0 mi NE 3.5 mph - N/A   Mostly Cloudy
5:52 AM 32.0 °F 27.5 °F 17.1 °F 54% 30.07 in 10.0 mi North 4.6 mph - N/A   Mostly Cloudy
6:52 AM 28.9 °F - 19.0 °F 67% 30.09 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:52 AM 35.1 °F 32.2 °F 18.0 °F 50% 30.09 in 10.0 mi Variable 3.5 mph - N/A   Mostly Cloudy
8:52 AM 37.9 °F 33.5 °F 18.0 °F 45% 30.09 in 10.0 mi North 5.8 mph - N/A   Scattered Clouds
9:52 AM 41.0 °F 35.8 °F 19.0 °F 41% 30.08 in 10.0 mi North 8.1 mph - N/A   Scattered Clouds
10:52 AM 44.1 °F 42.5 °F 18.0 °F 35% 30.04 in 10.0 mi North 3.5 mph - N/A   Mostly Cloudy
11:52 AM 46.0 °F 44.8 °F 17.1 °F 31% 30.04 in 10.0 mi ENE 3.5 mph - N/A   Mostly Cloudy
12:52 PM 48.9 °F - 16.0 °F 27% 29.99 in 10.0 mi Variable 4.6 mph - N/A   Mostly Cloudy
1:52 PM 48.0 °F - 15.1 °F 27% 29.96 in 10.0 mi Calm Calm - N/A   Overcast
2:52 PM 50.0 °F - 15.1 °F 25% 29.93 in 10.0 mi ENE 6.9 mph - N/A   Mostly Cloudy
3:52 PM 50.0 °F - 12.9 °F 23% 29.92 in 10.0 mi ENE 6.9 mph - N/A   Mostly Cloudy
4:52 PM 48.9 °F - 17.1 °F 28% 29.92 in 10.0 mi South 8.1 mph - N/A   Overcast
5:52 PM 46.9 °F - 16.0 °F 29% 29.92 in 10.0 mi South 5.8 mph - N/A   Overcast
6:52 PM 45.0 °F 39.3 °F 21.0 °F 39% 29.91 in 10.0 mi ESE 11.5 mph - N/A   Overcast
7:52 PM 43.0 °F 37.2 °F 21.0 °F 42% 29.91 in 10.0 mi ESE 10.4 mph - N/A   Overcast
8:52 PM 42.1 °F 35.7 °F 18.0 °F 38% 29.89 in 10.0 mi SE 11.5 mph 19.6 mph N/A   Overcast
9:52 PM 41.0 °F 38.0 °F 19.0 °F 41% 29.86 in 10.0 mi ESE 4.6 mph - N/A   Overcast
10:52 PM 39.9 °F 31.4 °F 21.0 °F 47% 29.83 in 10.0 mi ESE 16.1 mph 28.8 mph 0.00 in Rain Light Rain Showers
11:21 PM 37.4 °F 28.9 °F 28.4 °F 70% 29.83 in 8.0 mi ESE 13.8 mph 23.0 mph 0.00 in Rain , Snow Light Snow
11:52 PM 34.0 °F 28.0 °F 30.9 °F 89% 29.82 in 2.5 mi ESE 6.9 mph - 0.01 in Rain , Snow Light Snow