Dulles Airport, VA

1:50 AM EDT on June 25, 2017 (GMT -0400)
Washington Dulles International

Weather History for KIAD - March, 2013

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Thursday, March 28, 2013

  Actual Average Record
Temperature  
Mean Temperature 40 °F 48 °F  
Max Temperature 49 °F 60 °F 86 °F (1989)
Min Temperature 30 °F 37 °F 18 °F (2001)
Degree Days  
Heating Degree Days 25 17  
Month to date heating degree days 702 600  
Since 1 July heating degree days 4066 4190  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 27 °F    
Average Humidity 62    
Maximum Humidity 78    
Minimum Humidity 45    
Precipitation  
Precipitation 0.00 in 0.12 in 1.40 in (1984)
Month to date precipitation 3.09 3.00  
Year to date precipitation 8.42 8.42  
Snow  
Snow 0.00 in 0.00 in 0.30 in (1996)
Month to date snowfall 7.4 2.7  
Since 1 July snowfall 12.7 21.6  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.15 in    
Wind  
Wind Speed 12 mph (WNW)    
Max Wind Speed 24 mph    
Max Gust Speed 32 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. 28, 2013 Rise Set
Actual Time 7:00 AM EDT 7:29 PM EDT
Civil Twilight 6:33 AM EDT 7:56 PM EDT
Nautical Twilight 6:02 AM EDT 8:28 PM EDT
Astronomical Twilight 5:29 AM EDT 9:00 PM EDT
Moon 9:18 PM EDT (3/28) 7:28 AM EDT (3/28)
Length of Visible Light 13h 23m
Length of Day
12h 29m
Full, 98% of the Moon is Illuminated
Mar 28
Full
Apr 3
Last Quarter
Apr 10
New
Apr 18
First Quarter
Apr 25
Full

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 37.9 °F 32.7 °F 27.0 °F 65% 30.14 in 10.0 mi West 6.9 mph - N/A   Mostly Cloudy
1:52 AM 37.0 °F 32.4 °F 26.1 °F 65% 30.13 in 10.0 mi WSW 5.8 mph - N/A   Mostly Cloudy
3:52 AM 37.0 °F 30.4 °F 24.1 °F 59% 30.11 in 10.0 mi WSW 9.2 mph - N/A   Partly Cloudy
4:52 AM 36.0 °F 29.0 °F 24.1 °F 62% 30.11 in 10.0 mi WSW 9.2 mph - N/A   Partly Cloudy
5:52 AM 30.0 °F - 24.1 °F 79% 30.11 in 10.0 mi Calm Calm - N/A   Partly Cloudy
6:52 AM 37.0 °F 31.0 °F 25.0 °F 62% 30.12 in 10.0 mi WSW 8.1 mph - N/A   Mostly Cloudy
7:52 AM 37.4 °F 30.3 °F 26.6 °F 65% 30.11 in 10.0 mi West 10.4 mph - N/A   Mostly Cloudy
8:52 AM 42.1 °F 34.9 °F 27.0 °F 55% 30.12 in 10.0 mi WNW 13.8 mph - N/A   Mostly Cloudy
9:52 AM 43.0 °F 34.5 °F 27.0 °F 53% 30.13 in 10.0 mi WNW 19.6 mph 27.6 mph N/A   Mostly Cloudy
10:52 AM 45.0 °F 37.1 °F 28.0 °F 52% 30.14 in 10.0 mi WNW 19.6 mph 27.6 mph N/A   Mostly Cloudy
11:52 AM 46.9 °F - 27.0 °F 46% 30.14 in 10.0 mi NW 18.4 mph 29.9 mph N/A   Mostly Cloudy
12:52 PM 46.9 °F - 28.0 °F 48% 30.14 in 10.0 mi NW 18.4 mph - N/A   Mostly Cloudy
1:52 PM 46.0 °F 38.8 °F 28.0 °F 50% 30.14 in 10.0 mi NW 18.4 mph - N/A   Mostly Cloudy
2:52 PM 46.9 °F - 27.0 °F 46% 30.14 in 10.0 mi NW 19.6 mph 28.8 mph N/A   Overcast
3:52 PM 46.9 °F - 28.0 °F 48% 30.14 in 10.0 mi NW 17.3 mph 26.5 mph N/A   Mostly Cloudy
4:52 PM 45.0 °F 38.9 °F 30.0 °F 56% 30.15 in 10.0 mi NW 12.7 mph - N/A   Overcast
5:52 PM 46.0 °F 39.9 °F 28.9 °F 51% 30.17 in 10.0 mi NNW 13.8 mph - N/A   Mostly Cloudy
6:52 PM 46.0 °F 38.5 °F 26.1 °F 46% 30.18 in 10.0 mi NW 19.6 mph 26.5 mph N/A   Mostly Cloudy
7:52 PM 43.0 °F 37.7 °F 28.9 °F 58% 30.21 in 10.0 mi WNW 9.2 mph - N/A   Mostly Cloudy
8:52 PM 42.1 °F 38.4 °F 28.9 °F 60% 30.22 in 10.0 mi West 5.8 mph - N/A   Mostly Cloudy
9:52 PM 42.1 °F 38.4 °F 30.0 °F 62% 30.23 in 10.0 mi West 5.8 mph - N/A   Mostly Cloudy
10:52 PM 42.1 °F 38.4 °F 28.9 °F 60% 30.24 in 10.0 mi WNW 5.8 mph - N/A   Mostly Cloudy
11:52 PM 37.9 °F 32.7 °F 28.0 °F 68% 30.25 in 10.0 mi WSW 6.9 mph - N/A   Partly Cloudy