Dulles Airport, VA

1:51 AM EDT on June 25, 2017 (GMT -0400)
Washington Dulles International

Weather History for KIAD - April, 2013

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Wednesday, April 10, 2013

  Actual Average Record
Temperature  
Mean Temperature 74 °F 53 °F  
Max Temperature 89 °F 65 °F 89 °F (2013)
Min Temperature 58 °F 41 °F 19 °F (1985)
Degree Days  
Heating Degree Days 0 13  
Month to date heating degree days 136 142  
Since 1 July heating degree days 4262 4379  
Cooling Degree Days 9 0  
Month to date cooling degree days 17 0  
Year to date cooling degree days 17 3  
Growing Degree Days 23 (Base 50)    
Moisture  
Dew Point 52 °F    
Average Humidity 52    
Maximum Humidity 75    
Minimum Humidity 29    
Precipitation  
Precipitation 0.00 in 0.12 in 0.84 in (1983)
Month to date precipitation 0.26 1.21  
Year to date precipitation 8.75 10.01  
Snow  
Snow 0.00 in 0.00 in T in (1996)
Month to date snowfall 0.0 0.2  
Since 1 July snowfall 12.7 21.9  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.89 in    
Wind  
Wind Speed 8 mph (SSW)    
Max Wind Speed 24 mph    
Max Gust Speed 35 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

Apr. 10, 2013 Rise Set
Actual Time 6:40 AM EDT 7:42 PM EDT
Civil Twilight 6:13 AM EDT 8:09 PM EDT
Nautical Twilight 5:40 AM EDT 8:42 PM EDT
Astronomical Twilight 5:06 AM EDT 9:16 PM EDT
Moon 6:35 AM EDT (4/10) 8:15 PM EDT (4/10)
Length of Visible Light 13h 56m
Length of Day
13h 02m
New Moon, 0% of the Moon is Illuminated
Apr 10
New Moon
Apr 18
First Quarter
Apr 25
Full
May 2
Last Quarter
May 9
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 71.1 °F - 50.0 °F 47% 29.91 in 10.0 mi SSW 10.4 mph - N/A   Clear
1:52 AM 70.0 °F - 50.0 °F 49% 29.92 in 10.0 mi SSW 9.2 mph - N/A   Clear
2:52 AM 68.0 °F - 50.0 °F 52% 29.91 in 10.0 mi SSW 8.1 mph - N/A   Clear
3:52 AM 64.9 °F - 50.0 °F 58% 29.92 in 10.0 mi SSW 4.6 mph - N/A   Clear
4:52 AM 66.0 °F - 50.0 °F 56% 29.94 in 10.0 mi SSW 9.2 mph - N/A   Clear
5:52 AM 62.1 °F - 50.0 °F 65% 29.95 in 10.0 mi SE 4.6 mph - N/A   Clear
6:12 AM 62.6 °F - 50.0 °F 63% 29.95 in 10.0 mi South 3.5 mph - N/A   Scattered Clouds
6:52 AM 59.0 °F - 51.1 °F 75% 29.96 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:52 AM 64.0 °F - 53.1 °F 67% 29.98 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:52 AM 72.0 °F - 53.1 °F 51% 29.96 in 10.0 mi SSW 4.6 mph - N/A   Mostly Cloudy
9:52 AM 77.0 °F - 52.0 °F 42% 29.96 in 10.0 mi SSW 9.2 mph - N/A   Mostly Cloudy
10:52 AM 82.0 °F - 52.0 °F 35% 29.95 in 10.0 mi SSW 9.2 mph - N/A   Mostly Cloudy
11:52 AM 84.9 °F 83.3 °F 54.0 °F 34% 29.94 in 10.0 mi Variable 3.5 mph - N/A   Mostly Cloudy
12:52 PM 87.1 °F 85.3 °F 55.0 °F 33% 29.92 in 10.0 mi WSW 8.1 mph - N/A   Scattered Clouds
1:52 PM 88.0 °F 85.7 °F 53.1 °F 30% 29.90 in 10.0 mi South 10.4 mph 19.6 mph N/A   Scattered Clouds
2:52 PM 89.1 °F 86.7 °F 53.1 °F 29% 29.88 in 10.0 mi SW 5.8 mph 17.3 mph N/A   Scattered Clouds
3:52 PM 88.0 °F 85.9 °F 54.0 °F 31% 29.85 in 10.0 mi South 15.0 mph 21.9 mph N/A   Scattered Clouds
4:52 PM 88.0 °F 85.7 °F 53.1 °F 30% 29.83 in 10.0 mi SSW 16.1 mph 23.0 mph N/A   Mostly Cloudy
5:52 PM 87.1 °F 84.9 °F 53.1 °F 31% 29.81 in 10.0 mi SSW 10.4 mph - N/A   Mostly Cloudy
6:52 PM 86.0 °F - 52.0 °F 31% 29.78 in 10.0 mi South 5.8 mph - N/A   Clear
7:52 PM 82.9 °F - 51.1 °F 33% 29.78 in 10.0 mi South 9.2 mph - N/A   Mostly Cloudy
8:52 PM 82.0 °F - 51.1 °F 34% 29.78 in 10.0 mi SSW 11.5 mph - N/A   Scattered Clouds
9:52 PM 81.0 °F - 51.1 °F 35% 29.80 in 10.0 mi SSW 11.5 mph - N/A   Mostly Cloudy
10:52 PM 80.1 °F - 52.0 °F 38% 29.81 in 10.0 mi SW 9.2 mph - N/A   Scattered Clouds
11:52 PM 77.0 °F - 52.0 °F 42% 29.83 in 10.0 mi SW 4.6 mph - N/A   Scattered Clouds