Dulles Airport, VA

12:11 AM EDT on April 23, 2018 (GMT -0400)
Washington Dulles International

Weather History for KIAD - June, 2013

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Tuesday, June 25, 2013

  Actual Average Record
Temperature  
Mean Temperature 80 °F 75 °F  
Max Temperature 92 °F 86 °F 97 °F (1966)
Min Temperature 67 °F 64 °F 44 °F (1979)
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 15 10  
Month to date cooling degree days 198 185  
Year to date cooling degree days 337 277  
Since 1 June cooling degree days 198 185  
Growing Degree Days 28 (Base 50)    
Moisture  
Dew Point 67 °F    
Average Humidity 72    
Maximum Humidity 100    
Minimum Humidity 44    
Precipitation  
Precipitation 0.01 in 0.13 in 5.94 in (2006)
Month to date precipitation 4.18 3.35  
Year to date precipitation 18.17 20.17  
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 29.99 in    
Wind  
Wind Speed 6 mph (SW)    
Max Wind Speed 24 mph    
Max Gust Speed 36 mph    
Visibility 10 miles    
Events Rain , Thunderstorm    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Astronomy

Jun. 25, 2013 Rise Set
Actual Time 5:45 AM EDT 8:39 PM EDT
Civil Twilight 5:13 AM EDT 9:11 PM EDT
Nautical Twilight 4:33 AM EDT 9:51 PM EDT
Astronomical Twilight 3:46 AM EDT 10:38 PM EDT
Moon 10:25 PM EDT (6/25) 8:21 AM EDT (6/25)
Length of Visible Light 15h 57m
Length of Day
14h 53m
Waning Gibbous, 93% of the Moon is Illuminated
Jun 25
Waning Gibbous
Jun 30
Last Quarter
Jul 8
New
Jul 15
First Quarter
Jul 22
Full

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 71.1 °F - 68.0 °F 90% 30.04 in 10.0 mi Calm Calm - N/A   Clear
1:52 AM 70.0 °F - 68.0 °F 93% 30.03 in 10.0 mi South 3.5 mph - N/A   Partly Cloudy
2:52 AM 69.1 °F - 68.0 °F 96% 30.03 in 9.0 mi Calm Calm - N/A   Clear
3:52 AM 69.1 °F - 68.0 °F 96% 30.02 in 8.0 mi Calm Calm - N/A   Partly Cloudy
4:52 AM 66.9 °F - 66.0 °F 97% 30.01 in 6.0 mi SSE 3.5 mph - N/A   Partly Cloudy
5:52 AM 66.9 °F - 66.0 °F 97% 30.01 in 4.0 mi Calm Calm - N/A   Partly Cloudy
6:52 AM 70.0 °F - 68.0 °F 93% 30.01 in 8.0 mi Calm Calm - N/A   Partly Cloudy
7:52 AM 73.0 °F - 69.1 °F 87% 30.03 in 10.0 mi Calm Calm - N/A   Partly Cloudy
8:52 AM 78.1 °F - 69.1 °F 74% 30.04 in 10.0 mi Calm Calm - N/A   Partly Cloudy
9:52 AM 84.0 °F 87.0 °F 68.0 °F 58% 30.03 in 10.0 mi Calm Calm - N/A   Partly Cloudy
10:52 AM 86.0 °F 88.8 °F 66.9 °F 53% 30.03 in 10.0 mi WNW 12.7 mph - N/A   Mostly Cloudy
11:52 AM 88.0 °F 91.4 °F 68.0 °F 51% 30.02 in 10.0 mi West 9.2 mph 18.4 mph N/A   Scattered Clouds
12:52 PM 89.1 °F 91.3 °F 66.0 °F 46% 30.01 in 10.0 mi West 9.2 mph - N/A   Scattered Clouds
1:52 PM 90.0 °F 92.8 °F 66.9 °F 46% 29.99 in 10.0 mi West 6.9 mph - N/A   Scattered Clouds
2:52 PM 91.0 °F 95.2 °F 68.0 °F 47% 29.97 in 10.0 mi West 9.2 mph - N/A   Scattered Clouds
3:52 PM 91.9 °F 95.4 °F 66.9 °F 44% 29.96 in 10.0 mi WSW 6.9 mph - N/A   Scattered Clouds
4:52 PM 91.9 °F 95.9 °F 68.0 °F 45% 29.94 in 10.0 mi SW 6.9 mph - N/A   Scattered Clouds
5:52 PM 90.0 °F 93.6 °F 68.0 °F 48% 29.92 in 10.0 mi SSW 11.5 mph - N/A   Scattered Clouds
6:52 PM 89.1 °F 92.9 °F 68.0 °F 50% 29.89 in 10.0 mi SSW 6.9 mph - N/A   Partly Cloudy
7:52 PM 86.0 °F 90.1 °F 69.1 °F 57% 29.91 in 10.0 mi SSW 8.1 mph - N/A   Partly Cloudy
8:52 PM 82.9 °F 87.0 °F 70.0 °F 65% 29.94 in 10.0 mi SW 5.8 mph - N/A   Scattered Clouds
9:52 PM 80.1 °F 83.6 °F 71.1 °F 74% 29.94 in 10.0 mi SSW 5.8 mph - N/A   Scattered Clouds
10:38 PM 80.6 °F 82.3 °F 64.4 °F 58% 29.99 in 10.0 mi NNW 21.9 mph 35.7 mph N/A Thunderstorm Thunderstorm
10:52 PM 80.1 °F 81.1 °F 61.0 °F 52% 29.98 in 10.0 mi North 15.0 mph 23.0 mph N/A   Mostly Cloudy
11:30 PM 73.4 °F - 62.6 °F 69% 29.96 in 10.0 mi ENE 9.2 mph - 0.00 in Rain , Thunderstorm Light Thunderstorms and Rain
11:44 PM 71.6 °F - 64.4 °F 78% 29.94 in 10.0 mi East 5.8 mph - 0.01 in Rain Light Rain
11:52 PM 70.0 °F - 64.0 °F 81% 29.94 in 10.0 mi SSE 8.1 mph - 0.01 in Rain Light Rain