Weather History for Raleigh-Durham Airport, NC

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Friday, December 9, 2011

  Actual Average Record
Temperature  
Mean Temperature 44 °F 45 °F  
Max Temperature 55 °F 55 °F 76 °F (1978)
Min Temperature 32 °F 35 °F 16 °F (1968)
Degree Days  
Heating Degree Days 21 20  
Month to date heating degree days 135 171  
Since 1 July heating degree days 667 752  
Cooling Degree Days 0 0  
Month to date cooling degree days 1 0  
Year to date cooling degree days 2133 1728  
Moisture  
Dew Point 34 °F    
Average Humidity 66    
Maximum Humidity 82    
Minimum Humidity 50    
Precipitation  
Precipitation 0.00 in 0.09 in 0.96 in (1931)
Month to date precipitation 0.54 0.90  
Year to date precipitation 42.19 41.17  
Snow  
Snow 0.00 in 0.00 in 1.60 in (1989)
Month to date snowfall 0.0 0.1  
Since 1 July snowfall 0.0 0.2  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.28 in    
Wind  
Wind Speed 1 mph (East)    
Max Wind Speed 7 mph    
Max Gust Speed 8 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Dec. 09, 2011 Rise Set
Actual Time 7:13 AM EST 5:01 PM EST
Civil Twilight 6:45 AM EST 5:29 PM EST
Nautical Twilight 6:13 AM EST 6:01 PM EST
Astronomical Twilight 5:42 AM EST 6:32 PM EST
Moon 4:23 PM EST (12/9) 6:19 AM EST (12/9)
Length of Visible Light 10h 44m
Length of Day
9h 47m
Waxing Gibbous, 99% of the Moon is Illuminated
Dec 9
Waxing Gibbous
Dec 10
Full
Dec 17
Last Quarter
Dec 24
New
Jan 1
First Quarter

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:51 AM 33.1 °F - 27.0 °F 78% 30.32 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
1:51 AM 33.1 °F - 28.0 °F 82% 30.33 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
2:51 AM 35.1 °F - 28.9 °F 78% 30.32 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
3:51 AM 34.0 °F - 28.9 °F 82% 30.30 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
4:51 AM 34.0 °F - 28.0 °F 79% 30.30 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
5:51 AM 33.1 °F - 28.9 °F 85% 30.30 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
6:51 AM 33.1 °F - 28.9 °F 85% 30.32 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:51 AM 37.0 °F - 28.9 °F 73% 30.33 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:51 AM 41.0 °F - 34.0 °F 76% 30.32 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:51 AM 45.0 °F 42.6 °F 33.1 °F 63% 30.33 in 10.0 mi ESE 4.6 mph - N/A   Mostly Cloudy
10:51 AM 48.0 °F - 33.1 °F 56% 30.33 in 10.0 mi SE 4.6 mph - N/A   Mostly Cloudy
11:51 AM 48.9 °F - 33.1 °F 54% 30.31 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
12:51 PM 52.0 °F - 36.0 °F 54% 30.28 in 10.0 mi Variable 3.5 mph - N/A   Mostly Cloudy
1:51 PM 53.1 °F - 36.0 °F 52% 30.25 in 10.0 mi ENE 3.5 mph - N/A   Mostly Cloudy
2:51 PM 54.0 °F - 37.0 °F 53% 30.23 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
3:31 PM 55.4 °F - 37.4 °F 51% 30.23 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
3:51 PM 54.0 °F - 37.9 °F 55% 30.22 in 10.0 mi NE 5.8 mph - N/A   Mostly Cloudy
4:21 PM 51.8 °F - 37.4 °F 58% 30.22 in 10.0 mi ENE 4.6 mph - N/A   Mostly Cloudy
4:51 PM 52.0 °F - 37.0 °F 57% 30.23 in 10.0 mi ENE 3.5 mph - N/A   Mostly Cloudy
5:51 PM 48.0 °F - 37.9 °F 68% 30.24 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
6:51 PM 46.0 °F - 37.9 °F 73% 30.25 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:51 PM 45.0 °F - 37.9 °F 76% 30.25 in 10.0 mi Calm Calm - N/A   Overcast
8:51 PM 43.0 °F - 37.9 °F 82% 30.26 in 10.0 mi Calm Calm - N/A   Overcast
9:51 PM 43.0 °F - 37.9 °F 82% 30.25 in 10.0 mi Calm Calm - N/A   Overcast
10:51 PM 42.1 °F - 37.9 °F 85% 30.26 in 10.0 mi Calm Calm - N/A   Overcast
11:51 PM 43.0 °F - 39.0 °F 86% 30.25 in 10.0 mi Calm Calm - N/A   Overcast