Weather History for Dulles Airport, VA

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Thursday, March 6, 2014

  Actual Average Record
Temperature  
Mean Temperature 27 °F 41 °F  
Max Temperature 33 °F 52 °F 70 °F (2004)
Min Temperature 21 °F 30 °F 15 °F (1978)
Degree Days  
Heating Degree Days 38 24  
Month to date heating degree days 237 149  
Since 1 July heating degree days 4068 3739  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 14 °F    
Average Humidity 55    
Maximum Humidity 63    
Minimum Humidity 47    
Precipitation  
Precipitation 0.00 in 0.10 in 2.30 in (2011)
Month to date precipitation 0.88 0.56  
Year to date precipitation 7.38 5.98  
Snow  
Snow 0.00 in 0.10 in 0.20 in (1989)
Month to date snowfall 4.9 0.8  
Since 1 July snowfall 37.9 19.7  
Snow Depth 1.00 in    
Sea Level Pressure  
Sea Level Pressure 30.48 in    
Wind  
Wind Speed 10 mph (ENE)    
Max Wind Speed 17 mph    
Max Gust Speed 20 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Mar. 06, 2014 Rise Set
Actual Time 6:34 AM EST 6:07 PM EST
Civil Twilight 6:08 AM EST 6:34 PM EST
Nautical Twilight 5:37 AM EST 7:05 PM EST
Astronomical Twilight 5:06 AM EST 7:36 PM EST
Moon 9:44 AM EST (3/6) No Moon Set
Length of Visible Light 12h 26m
Length of Day
11h 32m
Waxing Crescent, 32% of the Moon is Illuminated
Mar 6
Waxing Crescent
Mar 8
First Quarter
Mar 16
Full
Mar 23
Last Quarter
Mar 30
New

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 30.0 °F 20.5 °F 14.0 °F 51% 30.43 in 10.0 mi NNE 11.5 mph - N/A   Overcast
1:52 AM 27.0 °F 14.7 °F 10.9 °F 51% 30.45 in 10.0 mi NNE 16.1 mph - N/A   Scattered Clouds
2:52 AM 25.0 °F 13.1 °F 9.0 °F 51% 30.45 in 10.0 mi NNE 13.8 mph - N/A   Clear
3:52 AM 23.0 °F 12.4 °F 9.0 °F 55% 30.46 in 10.0 mi NNE 10.4 mph - N/A   Clear
4:52 AM 21.9 °F 12.5 °F 10.0 °F 60% 30.48 in 10.0 mi North 8.1 mph - N/A   Mostly Cloudy
5:52 AM 21.0 °F 11.4 °F 10.0 °F 63% 30.50 in 10.0 mi North 8.1 mph - N/A   Mostly Cloudy
6:52 AM 21.0 °F 10.6 °F 9.0 °F 60% 30.53 in 10.0 mi North 9.2 mph - N/A   Overcast
7:52 AM 21.9 °F 13.4 °F 10.0 °F 60% 30.56 in 10.0 mi NNE 6.9 mph - N/A   Overcast
8:52 AM 23.0 °F 11.7 °F 10.0 °F 58% 30.58 in 10.0 mi NNE 11.5 mph - N/A   Overcast
9:52 AM 25.0 °F 17.1 °F 10.9 °F 55% 30.56 in 10.0 mi Variable 6.9 mph - N/A   Overcast
10:52 AM 28.0 °F 20.8 °F 12.0 °F 51% 30.56 in 10.0 mi ENE 6.9 mph - N/A   Mostly Cloudy
11:52 AM 28.9 °F 21.9 °F 14.0 °F 54% 30.56 in 10.0 mi ENE 6.9 mph - N/A   Mostly Cloudy
12:52 PM 30.9 °F 24.3 °F 15.1 °F 52% 30.51 in 10.0 mi ESE 6.9 mph - N/A   Mostly Cloudy
1:52 PM 30.9 °F 22.2 °F 17.1 °F 57% 30.46 in 10.0 mi ENE 10.4 mph - N/A   Mostly Cloudy
2:52 PM 32.0 °F 25.6 °F 17.1 °F 54% 30.46 in 10.0 mi ENE 6.9 mph - N/A   Mostly Cloudy
3:52 PM 32.0 °F 24.2 °F 18.0 °F 56% 30.45 in 10.0 mi East 9.2 mph - N/A   Overcast
4:52 PM 32.0 °F 22.5 °F 17.1 °F 54% 30.45 in 10.0 mi East 12.7 mph - N/A   Overcast
5:52 PM 30.9 °F 21.2 °F 17.1 °F 57% 30.45 in 10.0 mi ESE 12.7 mph - N/A   Overcast
6:52 PM 30.0 °F 21.1 °F 16.0 °F 56% 30.46 in 10.0 mi ESE 10.4 mph - N/A   Overcast
7:52 PM 28.9 °F 21.9 °F 16.0 °F 58% 30.45 in 10.0 mi East 6.9 mph - N/A   Overcast
8:52 PM 28.9 °F 20.4 °F 15.1 °F 56% 30.43 in 10.0 mi East 9.2 mph - N/A   Overcast
9:52 PM 28.9 °F 19.2 °F 16.0 °F 58% 30.44 in 10.0 mi ESE 11.5 mph - N/A   Overcast
10:52 PM 28.9 °F 19.2 °F 18.0 °F 64% 30.41 in 10.0 mi East 11.5 mph - N/A   Overcast
11:52 PM 28.9 °F 21.9 °F 19.9 °F 69% 30.38 in 10.0 mi ENE 6.9 mph - N/A   Overcast