Dulles, VA

4:47 AM EST on December 08, 2016 (GMT -0500)
Washington Dulles International

Weather History for KIAD - October, 2013

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Wednesday, October 16, 2013

  Actual Average Record
Temperature  
Mean Temperature 66 °F 56 °F  
Max Temperature 71 °F 68 °F 85 °F (1989)
Min Temperature 60 °F 44 °F 30 °F (1986)
Degree Days  
Heating Degree Days 0 10  
Month to date heating degree days 48 120  
Since 1 July heating degree days 115 178  
Cooling Degree Days 1 0  
Month to date cooling degree days 44 16  
Year to date cooling degree days 1268 1173  
Growing Degree Days 16 (Base 50)    
Moisture  
Dew Point 59 °F    
Average Humidity 80    
Maximum Humidity 93    
Minimum Humidity 66    
Precipitation  
Precipitation 0.00 in 0.10 in 1.10 in (2002)
Month to date precipitation 7.39 1.68  
Year to date precipitation 36.85 33.60  
Snow  
Snow 0.00 in 0.00 in T in (1977)
Month to date snowfall 0.0 0.0  
Since 1 July snowfall 0.0 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.01 in    
Wind  
Wind Speed 4 mph (South)    
Max Wind Speed 10 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

Oct. 16, 2013 Rise Set
Actual Time 7:20 AM EDT 6:29 PM EDT
Civil Twilight 6:53 AM EDT 6:56 PM EDT
Nautical Twilight 6:22 AM EDT 7:27 PM EDT
Astronomical Twilight 5:51 AM EDT 7:58 PM EDT
Moon 5:07 PM EDT (10/16) 4:47 AM EDT (10/16)
Length of Visible Light 12h 02m
Length of Day
11h 09m
Waxing Gibbous, 94% of the Moon is Illuminated
Oct 16
Waxing Gibbous
Oct 18
Full
Oct 26
Last Quarter
Nov 3
New
Nov 10
First Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM 60.8 °F 55.4 °F 82% 30.10 in 10.0 mi Calm Calm - N/A   Overcast
12:52 AM 61.0 °F 57.0 °F 87% 30.08 in 10.0 mi Calm Calm - N/A   Overcast
1:38 AM 60.8 °F 57.2 °F 88% 30.08 in 10.0 mi Calm Calm - N/A   Overcast
1:52 AM 61.0 °F 57.0 °F 87% 30.08 in 9.0 mi Calm Calm - N/A   Overcast
2:52 AM 61.0 °F 57.0 °F 87% 30.08 in 10.0 mi Calm Calm - N/A   Overcast
3:52 AM 60.1 °F 57.0 °F 90% 30.06 in 10.0 mi Calm Calm - N/A   Overcast
4:52 AM 60.1 °F 57.9 °F 93% 30.06 in 10.0 mi Calm Calm - N/A   Overcast
5:52 AM 61.0 °F 57.9 °F 90% 30.05 in 10.0 mi East 3.5 mph - N/A   Overcast
6:52 AM 61.0 °F 57.9 °F 90% 30.05 in 10.0 mi Calm Calm - N/A   Overcast
7:52 AM 61.0 °F 57.9 °F 90% 30.05 in 10.0 mi SE 3.5 mph - N/A   Mostly Cloudy
8:52 AM 63.0 °F 57.0 °F 81% 30.07 in 10.0 mi SSE 3.5 mph - N/A   Overcast
9:52 AM 64.9 °F 57.9 °F 78% 30.05 in 10.0 mi SSW 5.8 mph - N/A   Mostly Cloudy
10:52 AM 66.0 °F 57.9 °F 75% 30.04 in 10.0 mi South 4.6 mph - N/A   Overcast
11:52 AM 69.1 °F 57.9 °F 68% 30.01 in 10.0 mi South 6.9 mph - N/A   Mostly Cloudy
12:52 PM 69.1 °F 57.9 °F 68% 30.01 in 10.0 mi SW 5.8 mph - N/A   Overcast
1:28 PM 69.8 °F 59.0 °F 68% 30.00 in 10.0 mi SSW 5.8 mph - N/A   Mostly Cloudy
1:52 PM 70.0 °F 59.0 °F 68% 29.98 in 10.0 mi South 6.9 mph - N/A   Overcast
2:52 PM 71.1 °F 59.0 °F 66% 29.96 in 10.0 mi South 8.1 mph - N/A   Mostly Cloudy
3:52 PM 70.0 °F 59.0 °F 68% 29.96 in 10.0 mi South 5.8 mph - N/A   Overcast
4:52 PM 70.0 °F 60.1 °F 71% 29.94 in 10.0 mi South 6.9 mph - N/A   Overcast
5:52 PM 69.1 °F 60.1 °F 73% 29.94 in 10.0 mi South 5.8 mph - N/A   Mostly Cloudy
6:52 PM 66.9 °F 61.0 °F 81% 29.94 in 10.0 mi SSE 6.9 mph - N/A   Mostly Cloudy
7:52 PM 66.0 °F 61.0 °F 84% 29.94 in 10.0 mi South 4.6 mph - N/A   Mostly Cloudy
8:52 PM 64.9 °F 61.0 °F 87% 29.95 in 10.0 mi SSE 5.8 mph - N/A   Mostly Cloudy
9:52 PM 63.0 °F 60.1 °F 90% 29.95 in 10.0 mi SSE 4.6 mph - N/A   Mostly Cloudy
10:52 PM 63.0 °F 60.1 °F 90% 29.94 in 10.0 mi South 4.6 mph - N/A   Mostly Cloudy
11:52 PM 62.1 °F 60.1 °F 93% 29.92 in 10.0 mi SSE 3.5 mph - N/A   Mostly Cloudy