Dulles Airport, VA

6:08 PM EDT on March 28, 2017 (GMT -0400)
Washington Dulles International

Weather History for KIAD - March, 2013

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Saturday, March 23, 2013

  Actual Average Record
Temperature  
Mean Temperature 38 °F 46 °F  
Max Temperature 54 °F 58 °F 83 °F (1994)
Min Temperature 22 °F 35 °F 17 °F (1969)
Degree Days  
Heating Degree Days 27 19  
Month to date heating degree days 570 512  
Since 1 July heating degree days 3934 4102  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 20 °F    
Average Humidity 54    
Maximum Humidity 84    
Minimum Humidity 24    
Precipitation  
Precipitation 0.00 in 0.11 in 2.21 in (1991)
Month to date precipitation 2.60 2.39  
Year to date precipitation 7.93 7.81  
Snow  
Snow 0.00 in 0.00 in T in (1972)
Month to date snowfall 4.2 2.4  
Since 1 July snowfall 9.5 21.3  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.99 in    
Wind  
Wind Speed 6 mph (WNW)    
Max Wind Speed 17 mph    
Max Gust Speed 22 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

Mar. 23, 2013 Rise Set
Actual Time 7:08 AM EDT 7:24 PM EDT
Civil Twilight 6:41 AM EDT 7:51 PM EDT
Nautical Twilight 6:10 AM EDT 8:22 PM EDT
Astronomical Twilight 5:38 AM EDT 8:54 PM EDT
Moon 3:51 PM EDT (3/23) 4:41 AM EDT (3/23)
Length of Visible Light 13h 10m
Length of Day
12h 16m
Waxing Gibbous, 85% of the Moon is Illuminated
Mar 23
Waxing Gibbous
Mar 27
Full
Apr 3
Last Quarter
Apr 10
New
Apr 18
First Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:52 AM 30.0 °F - 19.0 °F 64% 30.02 in 10.0 mi Calm Calm - N/A   Clear
1:52 AM 28.9 °F - 19.0 °F 67% 30.01 in 10.0 mi Calm Calm - N/A   Clear
2:52 AM 27.0 °F 23.0 °F 19.0 °F 72% 30.02 in 10.0 mi SW 3.5 mph - N/A   Clear
3:52 AM 25.0 °F 19.3 °F 19.0 °F 78% 30.01 in 10.0 mi SW 4.6 mph - N/A   Partly Cloudy
4:52 AM 24.1 °F - 18.0 °F 77% 30.01 in 10.0 mi Calm Calm - N/A   Clear
5:52 AM 24.1 °F - 19.0 °F 81% 30.01 in 10.0 mi Calm Calm - N/A   Clear
6:52 AM 21.9 °F 14.5 °F 17.1 °F 82% 30.03 in 10.0 mi WSW 5.8 mph - N/A   Partly Cloudy
7:52 AM 26.1 °F 21.9 °F 19.9 °F 78% 30.04 in 10.0 mi SSW 3.5 mph - N/A   Scattered Clouds
8:52 AM 33.1 °F 28.7 °F 21.9 °F 64% 30.04 in 10.0 mi South 4.6 mph - N/A   Scattered Clouds
9:52 AM 39.9 °F - 21.0 °F 47% 30.04 in 10.0 mi Calm Calm - N/A   Scattered Clouds
10:52 AM 44.1 °F 37.7 °F 21.0 °F 40% 30.04 in 10.0 mi WNW 12.7 mph - N/A   Mostly Cloudy
11:52 AM 45.0 °F 40.6 °F 19.9 °F 37% 30.01 in 10.0 mi NW 8.1 mph 18.4 mph N/A   Mostly Cloudy
12:52 PM 46.9 °F - 19.9 °F 34% 29.99 in 10.0 mi West 5.8 mph - N/A   Mostly Cloudy
1:52 PM 50.0 °F - 21.0 °F 32% 29.97 in 10.0 mi NW 9.2 mph 18.4 mph N/A   Scattered Clouds
2:52 PM 52.0 °F - 19.9 °F 28% 29.95 in 10.0 mi West 6.9 mph 20.7 mph N/A   Scattered Clouds
3:52 PM 52.0 °F - 19.0 °F 27% 29.93 in 10.0 mi WNW 10.4 mph - N/A   Scattered Clouds
4:52 PM 53.1 °F - 19.0 °F 26% 29.92 in 10.0 mi WNW 6.9 mph - N/A   Clear
5:52 PM 54.0 °F - 18.0 °F 24% 29.92 in 10.0 mi NW 11.5 mph 19.6 mph N/A   Clear
6:52 PM 51.1 °F - 17.1 °F 26% 29.93 in 10.0 mi NW 12.7 mph - N/A   Clear
7:52 PM 48.9 °F - 19.0 °F 31% 29.94 in 10.0 mi North 8.1 mph - N/A   Partly Cloudy
8:52 PM 46.9 °F - 19.9 °F 34% 29.97 in 10.0 mi North 9.2 mph - N/A   Clear
9:52 PM 45.0 °F 40.6 °F 21.0 °F 39% 29.98 in 10.0 mi NNE 8.1 mph - N/A   Partly Cloudy
10:52 PM 43.0 °F 38.2 °F 19.9 °F 40% 30.00 in 10.0 mi North 8.1 mph - N/A   Scattered Clouds
11:52 PM 39.0 °F 34.8 °F 21.9 °F 50% 29.99 in 10.0 mi NNE 5.8 mph - N/A   Mostly Cloudy