Dulles Airport, VA

7:03 PM EST on January 23, 2018 (GMT -0500)
Washington Dulles International

Weather History for KIAD - February, 2014

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Sunday, February 23, 2014

  Actual Average Record
Temperature  
Mean Temperature 48 °F 38 °F  
Max Temperature 57 °F 48 °F 77 °F (2017)
Min Temperature 38 °F 27 °F 5 °F (1963)
Degree Days  
Heating Degree Days 17 27  
Month to date heating degree days 730 675  
Since 1 July heating degree days 3649 3459  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 29 °F    
Average Humidity 52    
Maximum Humidity 70    
Minimum Humidity 33    
Precipitation  
Precipitation T in 0.10 in 1.34 in (1987)
Month to date precipitation 3.72 2.26  
Year to date precipitation 6.41 4.94  
Snow  
Snow 0.00 in 0.20 in 8.90 in (1987)
Month to date snowfall 14.3 6.6  
Since 1 July snowfall 31.0 17.9  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.96 in    
Wind  
Wind Speed 8 mph (NNW)    
Max Wind Speed 21 mph    
Max Gust Speed 28 mph    
Visibility 10 miles    
Events Rain    
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. 23, 2014 Rise Set
Actual Time 6:50 AM EST 5:56 PM EST
Civil Twilight 6:23 AM EST 6:23 PM EST
Nautical Twilight 5:52 AM EST 6:54 PM EST
Astronomical Twilight 5:22 AM EST 7:25 PM EST
Moon 1:45 AM EST (2/23) 11:58 AM EST (2/23)
Length of Visible Light 11h 59m
Length of Day
11h 05m
Last Quarter, 39% of the Moon is Illuminated
Feb 23
Last Quarter
Mar 1
New
Mar 8
First Quarter
Mar 16
Full
Mar 23
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 45.0 °F 39.3 °F 25.0 °F 46% 30.02 in 10.0 mi South 11.5 mph - N/A   Scattered Clouds
1:52 AM 46.0 °F 40.6 °F 26.1 °F 46% 30.01 in 10.0 mi South 11.5 mph - N/A   Mostly Cloudy
2:52 AM 46.0 °F 39.6 °F 26.1 °F 46% 29.99 in 10.0 mi SSW 15.0 mph - N/A   Overcast
3:52 AM 46.0 °F 40.6 °F 26.1 °F 46% 29.99 in 10.0 mi SSW 11.5 mph - N/A   Overcast
4:52 AM 44.1 °F 40.8 °F 26.1 °F 49% 30.00 in 10.0 mi SSW 5.8 mph - N/A   Mostly Cloudy
5:52 AM 39.9 °F 36.7 °F 27.0 °F 60% 30.01 in 10.0 mi SSE 4.6 mph - N/A   Mostly Cloudy
6:52 AM 39.9 °F 37.8 °F 26.1 °F 58% 30.01 in 10.0 mi NNW 3.5 mph - N/A   Mostly Cloudy
7:52 AM 41.0 °F - 30.0 °F 65% 30.02 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:52 AM 43.0 °F 39.5 °F 28.0 °F 56% 30.01 in 10.0 mi South 5.8 mph - N/A   Mostly Cloudy
9:52 AM 44.1 °F 42.5 °F 28.0 °F 53% 30.01 in 10.0 mi South 3.5 mph - N/A   Mostly Cloudy
10:52 AM 46.0 °F 43.9 °F 28.0 °F 50% 30.00 in 10.0 mi Variable 4.6 mph - N/A   Mostly Cloudy
11:52 AM 48.9 °F - 28.9 °F 46% 29.97 in 10.0 mi NNW 5.8 mph - N/A   Scattered Clouds
12:52 PM 53.1 °F - 28.0 °F 38% 29.94 in 10.0 mi North 3.5 mph - N/A   Scattered Clouds
1:52 PM 55.9 °F - 28.0 °F 34% 29.92 in 10.0 mi North 5.8 mph - N/A   Scattered Clouds
2:52 PM 57.0 °F - 28.9 °F 34% 29.92 in 10.0 mi NNW 8.1 mph - N/A   Scattered Clouds
3:52 PM 55.9 °F - 28.9 °F 36% 29.89 in 10.0 mi NNE 6.9 mph - N/A   Scattered Clouds
4:52 PM 55.0 °F - 30.0 °F 38% 29.88 in 10.0 mi North 5.8 mph - N/A   Scattered Clouds
5:52 PM 51.1 °F - 30.0 °F 44% 29.88 in 10.0 mi NNE 8.1 mph - N/A   Scattered Clouds
6:52 PM 52.0 °F - 28.9 °F 41% 29.91 in 10.0 mi North 11.5 mph - N/A   Overcast
7:52 PM 48.9 °F - 30.0 °F 48% 29.94 in 10.0 mi North 15.0 mph - N/A   Overcast
8:52 PM 48.0 °F - 33.1 °F 56% 29.93 in 10.0 mi North 12.7 mph 18.4 mph N/A   Overcast
9:52 PM 45.0 °F 38.2 °F 35.1 °F 68% 29.94 in 10.0 mi North 15.0 mph - N/A   Overcast
10:52 PM 43.0 °F 36.4 °F 34.0 °F 71% 29.94 in 10.0 mi NNW 12.7 mph 20.7 mph N/A   Overcast
11:29 PM 42.8 °F 36.6 °F 35.6 °F 76% 29.94 in 10.0 mi North 11.5 mph - N/A   Overcast
11:52 PM 41.0 °F 33.9 °F 35.1 °F 79% 29.94 in 10.0 mi North 12.7 mph - 0.00 in Rain Light Rain