Dulles Airport, VA

6:06 AM EDT on July 28, 2017 (GMT -0400)
Washington Dulles International

Weather History for KIAD - February, 2014

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Saturday, February 22, 2014

  Actual Average Record
Temperature  
Mean Temperature 44 °F 38 °F  
Max Temperature 62 °F 48 °F 71 °F (1991)
Min Temperature 26 °F 27 °F 4 °F (1968)
Degree Days  
Heating Degree Days 21 27  
Month to date heating degree days 713 648  
Since 1 July heating degree days 3632 3432  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 24 °F    
Average Humidity 57    
Maximum Humidity 92    
Minimum Humidity 22    
Precipitation  
Precipitation 0.00 in 0.09 in 1.69 in (2003)
Month to date precipitation 3.72 2.16  
Year to date precipitation 6.41 4.84  
Snow  
Snow 0.00 in 0.30 in 3.50 in (1986)
Month to date snowfall 14.3 6.4  
Since 1 July snowfall 31.0 17.7  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.05 in    
Wind  
Wind Speed 7 mph (SSW)    
Max Wind Speed 21 mph    
Max Gust Speed 26 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Date:

Astronomy

Feb. 22, 2014 Rise Set
Actual Time 6:52 AM EST 5:55 PM EST
Civil Twilight 6:25 AM EST 6:22 PM EST
Nautical Twilight 5:54 AM EST 6:53 PM EST
Astronomical Twilight 5:23 AM EST 7:23 PM EST
Moon 12:44 AM EST (2/22) 11:05 AM EST (2/22)
Length of Visible Light 11h 56m
Length of Day
11h 02m
Waning Gibbous, 50% of the Moon is Illuminated
Feb 22
Waning Gibbous
Feb 22
Last Quarter
Mar 1
New
Mar 8
First Quarter
Mar 16
Full

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 - 28.9 °F 96% 30.01 in 10.0 mi Calm Calm - N/A   Clear
1:52 AM 33.1 °F - 27.0 °F 78% 30.02 in 10.0 mi Calm Calm - N/A   Clear
2:52 AM 30.0 °F - 26.1 °F 85% 30.04 in 10.0 mi Calm Calm - N/A   Clear
3:52 AM 28.9 °F - 26.1 °F 89% 30.05 in 10.0 mi Calm Calm - N/A   Clear
4:52 AM 28.9 °F - 24.1 °F 82% 30.06 in 10.0 mi Calm Calm - N/A   Partly Cloudy
5:52 AM 28.0 °F 24.2 °F 24.1 °F 85% 30.09 in 10.0 mi South 3.5 mph - N/A   Partly Cloudy
6:52 AM 30.0 °F 25.2 °F 25.0 °F 82% 30.09 in 10.0 mi SSW 4.6 mph - N/A   Mostly Cloudy
7:52 AM 33.1 °F 28.7 °F 26.1 °F 75% 30.11 in 10.0 mi SW 4.6 mph - N/A   Mostly Cloudy
8:52 AM 37.9 °F 32.1 °F 27.0 °F 65% 30.11 in 10.0 mi SSW 8.1 mph - N/A   Scattered Clouds
9:52 AM 46.0 °F 41.4 °F 26.1 °F 46% 30.12 in 10.0 mi SW 9.2 mph - N/A   Partly Cloudy
10:52 AM 51.1 °F - 24.1 °F 35% 30.11 in 10.0 mi SSW 16.1 mph 24.2 mph N/A   Partly Cloudy
11:52 AM 54.0 °F - 24.1 °F 31% 30.09 in 10.0 mi SSW 18.4 mph 21.9 mph N/A   Scattered Clouds
12:52 PM 55.9 °F - 23.0 °F 28% 30.07 in 10.0 mi SSW 17.3 mph 26.5 mph N/A   Scattered Clouds
1:52 PM 57.9 °F - 21.9 °F 25% 30.03 in 10.0 mi SW 12.7 mph - N/A   Partly Cloudy
2:52 PM 60.1 °F - 23.0 °F 24% 30.03 in 10.0 mi SW 8.1 mph - N/A   Partly Cloudy
3:52 PM 61.0 °F - 21.0 °F 21% 30.02 in 10.0 mi SW 4.6 mph - N/A   Partly Cloudy
4:52 PM 59.0 °F - 23.0 °F 25% 30.02 in 10.0 mi SSW 6.9 mph - N/A   Partly Cloudy
5:52 PM 54.0 °F - 21.9 °F 29% 30.02 in 10.0 mi Calm Calm - N/A   Partly Cloudy
6:52 PM 44.1 °F 42.5 °F 25.0 °F 47% 30.03 in 10.0 mi South 3.5 mph - N/A   Partly Cloudy
7:52 PM 50.0 °F - 21.0 °F 32% 30.03 in 10.0 mi South 6.9 mph - N/A   Clear
8:52 PM 48.9 °F - 19.9 °F 32% 30.03 in 10.0 mi South 5.8 mph - N/A   Clear
9:52 PM 44.1 °F 39.0 °F 21.9 °F 42% 30.04 in 10.0 mi South 9.2 mph - N/A   Clear
10:52 PM 46.0 °F 41.0 °F 23.0 °F 40% 30.03 in 10.0 mi SSW 10.4 mph - N/A   Partly Cloudy
11:52 PM 45.0 °F 39.7 °F 23.0 °F 42% 30.02 in 10.0 mi South 10.4 mph - N/A   Partly Cloudy