Dulles, VA

8:32 AM EST on February 08, 2016 (GMT -0500)
Washington Dulles International

Weather History for KIAD - June, 2013

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Saturday, June 15, 2013

  Actual Average Record
Temperature  
Mean Temperature 70 °F 72 °F  
Max Temperature 82 °F 84 °F 99 °F (1994)
Min Temperature 57 °F 61 °F 42 °F (1978)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 0 13  
Since 1 June heating degree days 0 13  
Since 1 July heating degree days 4560 4715  
Cooling Degree Days 5 8  
Month to date cooling degree days 106 94  
Year to date cooling degree days 245 186  
Since 1 June cooling degree days 106 94  
Growing Degree Days 20 (Base 50)    
Moisture  
Dew Point 55 °F    
Average Humidity 62    
Maximum Humidity 86    
Minimum Humidity 37    
Precipitation  
Precipitation 0.00 in 0.14 in 1.44 in (1998)
Month to date precipitation 3.87 2.06  
Year to date precipitation 17.86 18.88  
Snow  
Snow 0.00 in 0.00 in - ()
Month to date snowfall 0.0 0.0  
Since 1 July snowfall 12.7 22.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.03 in    
Wind  
Wind Speed 5 mph (WNW)    
Max Wind Speed 15 mph    
Max Gust Speed 31 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Date:

Astronomy

Jun. 15, 2013 Rise Set
Actual Time 5:43 AM EDT 8:37 PM EDT
Civil Twilight 5:11 AM EDT 9:09 PM EDT
Nautical Twilight 4:31 AM EDT 9:49 PM EDT
Astronomical Twilight 3:44 AM EDT 10:36 PM EDT
Moon 12:13 PM EDT (6/15) 12:14 AM EDT (6/15)
Length of Visible Light 15h 57m
Length of Day
14h 53m
Waxing Crescent, 39% of the Moon is Illuminated
Jun 15
Waxing Crescent
Jun 16
First Quarter
Jun 23
Full
Jun 30
Last Quarter
Jul 8
New

Hourly Weather History & Observations

Time (EDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:52 AM 64.9 °F - 55.0 °F 70% 30.00 in 10.0 mi WNW 6.9 mph - N/A   Clear
1:52 AM 64.9 °F - 55.0 °F 70% 30.00 in 10.0 mi WNW 5.8 mph - N/A   Clear
2:52 AM 57.9 °F - 54.0 °F 87% 30.00 in 10.0 mi Calm Calm - N/A   Clear
3:52 AM 61.0 °F - 54.0 °F 78% 30.00 in 10.0 mi Calm Calm - N/A   Clear
4:52 AM 63.0 °F - 53.1 °F 70% 30.00 in 10.0 mi NW 4.6 mph - N/A   Clear
5:52 AM 57.0 °F - 54.0 °F 89% 30.03 in 10.0 mi Calm Calm - N/A   Partly Cloudy
6:52 AM 64.0 °F - 55.9 °F 75% 30.06 in 10.0 mi Calm Calm - N/A   Partly Cloudy
7:52 AM 66.9 °F - 55.9 °F 68% 30.07 in 10.0 mi Calm Calm - N/A   Partly Cloudy
8:52 AM 72.0 °F - 55.9 °F 57% 30.09 in 10.0 mi NW 8.1 mph - N/A   Partly Cloudy
9:52 AM 73.9 °F - 55.0 °F 52% 30.08 in 10.0 mi NW 10.4 mph 19.6 mph N/A   Scattered Clouds
10:52 AM 75.9 °F - 57.0 °F 52% 30.07 in 10.0 mi WNW 9.2 mph - N/A   Scattered Clouds
11:52 AM 77.0 °F - 55.9 °F 48% 30.07 in 10.0 mi NW 8.1 mph - N/A   Scattered Clouds
12:52 PM 79.0 °F - 57.0 °F 47% 30.06 in 10.0 mi WNW 11.5 mph - N/A   Scattered Clouds
1:52 PM 81.0 °F 80.7 °F 55.0 °F 41% 30.04 in 10.0 mi NW 11.5 mph 17.3 mph N/A   Scattered Clouds
2:52 PM 80.1 °F 80.0 °F 54.0 °F 40% 30.02 in 10.0 mi West 8.1 mph - N/A   Scattered Clouds
3:52 PM 81.0 °F 80.5 °F 54.0 °F 39% 30.02 in 10.0 mi Variable 6.9 mph 18.4 mph N/A   Mostly Cloudy
4:52 PM 82.0 °F 81.4 °F 55.0 °F 39% 30.01 in 10.0 mi WNW 11.5 mph - N/A   Mostly Cloudy
5:52 PM 82.0 °F 81.2 °F 53.1 °F 37% 30.00 in 10.0 mi WNW 4.6 mph - N/A   Scattered Clouds
6:52 PM 80.1 °F 80.0 °F 54.0 °F 40% 30.00 in 10.0 mi NW 6.9 mph - N/A   Scattered Clouds
7:52 PM 79.0 °F - 52.0 °F 39% 30.01 in 10.0 mi NNW 3.5 mph - N/A   Partly Cloudy
8:52 PM 71.1 °F - 57.0 °F 61% 30.01 in 10.0 mi WSW 3.5 mph - N/A   Partly Cloudy
9:52 PM 68.0 °F - 57.0 °F 68% 30.02 in 10.0 mi Calm Calm - N/A   Partly Cloudy
10:52 PM 64.9 °F - 57.0 °F 75% 30.02 in 10.0 mi Calm Calm - N/A   Partly Cloudy
11:52 PM 64.0 °F - 57.9 °F 80% 30.03 in 10.0 mi Calm Calm - N/A   Partly Cloudy