Dulles Airport, VA

6:08 PM EDT on March 28, 2017 (GMT -0400)
Washington Dulles International

Weather History for KIAD - November, 2012

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Saturday, November 10, 2012

  Actual Average Record
Temperature  
Mean Temperature 49 °F 48 °F  
Max Temperature 66 °F 60 °F 75 °F (1985)
Min Temperature 31 °F 37 °F 21 °F (2003)
Degree Days  
Heating Degree Days 16 17  
Month to date heating degree days 217 153  
Since 1 July heating degree days 530 509  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 1436 1176  
Moisture  
Dew Point 35 °F    
Average Humidity 62    
Maximum Humidity 92    
Minimum Humidity 31    
Precipitation  
Precipitation 0.00 in 0.11 in 2.08 in (1990)
Month to date precipitation T 1.15  
Year to date precipitation 31.63 36.32  
Snow  
Snow 0.00 in 0.10 in 1.60 in (1968)
Month to date snowfall 0.0 0.1  
Since 1 July snowfall 0.0 0.1  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.31 in    
Wind  
Wind Speed 1 mph (SSE)    
Max Wind Speed 7 mph    
Max Gust Speed 8 mph    
Visibility 9 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Nov. 10, 2012 Rise Set
Actual Time 6:47 AM EST 4:59 PM EST
Civil Twilight 6:19 AM EST 5:27 PM EST
Nautical Twilight 5:47 AM EST 5:59 PM EST
Astronomical Twilight 5:15 AM EST 6:31 PM EST
Moon 2:52 AM EST (11/10) 2:43 PM EST (11/10)
Length of Visible Light 11h 08m
Length of Day
10h 12m
Waning Crescent, 14% of the Moon is Illuminated
Nov 10
Waning Crescent
Nov 13
New
Nov 20
First Quarter
Nov 28
Full
Dec 6
Last Quarter

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:52 AM 37.0 °F - 33.1 °F 86% 30.23 in 10.0 mi Calm Calm - N/A   Clear
1:52 AM 35.1 °F - 32.0 °F 89% 30.25 in 10.0 mi Calm Calm - N/A   Clear
2:52 AM 34.0 °F - 30.9 °F 89% 30.26 in 9.0 mi Calm Calm - N/A   Clear
3:52 AM 34.0 °F 31.0 °F 30.9 °F 89% 30.26 in 9.0 mi NW 3.5 mph - N/A   Clear
4:52 AM 34.0 °F - 30.9 °F 89% 30.27 in 8.0 mi Calm Calm - N/A   Partly Cloudy
5:52 AM 33.1 °F - 30.9 °F 92% 30.30 in 8.0 mi Calm Calm - N/A   Partly Cloudy
6:52 AM 33.1 °F - 30.9 °F 92% 30.32 in 8.0 mi Calm Calm - N/A   Scattered Clouds
7:52 AM 37.9 °F - 35.1 °F 89% 30.33 in 7.0 mi Calm Calm - N/A   Mostly Cloudy
8:52 AM 45.0 °F - 37.0 °F 74% 30.35 in 8.0 mi Calm Calm - N/A   Mostly Cloudy
9:52 AM 52.0 °F - 37.9 °F 59% 30.35 in 10.0 mi Calm Calm - N/A   Scattered Clouds
10:52 AM 55.0 °F - 37.9 °F 53% 30.34 in 10.0 mi Variable 3.5 mph - N/A   Mostly Cloudy
11:52 AM 61.0 °F - 37.9 °F 42% 30.32 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
12:52 PM 64.0 °F - 35.1 °F 34% 30.29 in 10.0 mi SSE 4.6 mph - N/A   Mostly Cloudy
1:52 PM 64.9 °F - 34.0 °F 32% 30.28 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
2:52 PM 64.0 °F - 36.0 °F 35% 30.27 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
3:52 PM 62.1 °F - 35.1 °F 37% 30.28 in 10.0 mi SSE 5.8 mph - N/A   Mostly Cloudy
4:52 PM 60.1 °F - 35.1 °F 39% 30.30 in 10.0 mi SSE 4.6 mph - N/A   Mostly Cloudy
5:52 PM 51.1 °F - 37.0 °F 59% 30.32 in 10.0 mi SE 4.6 mph - N/A   Mostly Cloudy
6:52 PM 52.0 °F - 37.0 °F 57% 30.33 in 10.0 mi SE 5.8 mph - N/A   Scattered Clouds
7:52 PM 46.9 °F - 37.9 °F 71% 30.34 in 10.0 mi Calm Calm - N/A   Partly Cloudy
8:52 PM 46.0 °F - 37.9 °F 73% 30.35 in 10.0 mi Calm Calm - N/A   Clear
9:52 PM 42.1 °F - 37.0 °F 82% 30.36 in 10.0 mi Calm Calm - N/A   Clear
10:52 PM 42.1 °F - 36.0 °F 79% 30.37 in 10.0 mi Calm Calm - N/A   Clear
11:52 PM 39.2 °F - 35.6 °F 87% 30.36 in 10.0 mi Calm Calm - N/A   Clear