Weather History for Raleigh-Durham Airport, NC

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Wednesday, September 12, 2012

  Actual Average Record
Temperature  
Mean Temperature 66 °F 73 °F  
Max Temperature 79 °F 83 °F 96 °F (1983)
Min Temperature 53 °F 63 °F 46 °F (1917)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 0 0  
Since 1 July heating degree days 0 1  
Cooling Degree Days 1 9  
Month to date cooling degree days 134 120  
Year to date cooling degree days 1756 1561  
Growing Degree Days 16 (Base 50)    
Moisture  
Dew Point 54 °F    
Average Humidity 66    
Maximum Humidity 93    
Minimum Humidity 39    
Precipitation  
Precipitation 0.00 in 0.16 in 1.82 in (1971)
Month to date precipitation 3.67 1.90  
Year to date precipitation 31.30 31.44  
Sea Level Pressure  
Sea Level Pressure 30.33 in    
Wind  
Wind Speed 3 mph (ENE)    
Max Wind Speed 13 mph    
Max Gust Speed 16 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Sep. 12, 2012 Rise Set
Actual Time 6:55 AM EDT 7:26 PM EDT
Civil Twilight 6:30 AM EDT 7:51 PM EDT
Nautical Twilight 5:59 AM EDT 8:21 PM EDT
Astronomical Twilight 5:28 AM EDT 8:52 PM EDT
Moon 3:16 AM EDT (9/12) 5:08 PM EDT (9/12)
Length of Visible Light 13h 21m
Length of Day
12h 30m
Waning Crescent, 14% of the Moon is Illuminated
Sep 12
Waning Crescent
Sep 15
New
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:51 AM 59.0 °F 55.0 °F 87% 30.31 in 10.0 mi Calm Calm - N/A   Clear
1:51 AM 57.9 °F 54.0 °F 87% 30.31 in 10.0 mi Calm Calm - N/A   Clear
2:51 AM 57.0 °F 54.0 °F 89% 30.30 in 10.0 mi Calm Calm - N/A   Clear
3:51 AM 55.9 °F 53.1 °F 90% 30.30 in 10.0 mi Calm Calm - N/A   Clear
4:51 AM 55.0 °F 53.1 °F 93% 30.31 in 10.0 mi Calm Calm - N/A   Clear
5:51 AM 54.0 °F 52.0 °F 93% 30.31 in 8.0 mi Calm Calm - N/A   Clear
6:51 AM 53.6 °F 51.8 °F 94% 30.33 in 10.0 mi Calm Calm - N/A   Partly Cloudy
7:51 AM 55.9 °F 54.0 °F 93% 30.35 in 10.0 mi Calm Calm - N/A   Partly Cloudy
8:51 AM 64.0 °F 57.9 °F 80% 30.36 in 10.0 mi Calm Calm - N/A   Scattered Clouds
9:51 AM 69.1 °F 54.0 °F 58% 30.38 in 10.0 mi Calm Calm - N/A   Scattered Clouds
10:51 AM 71.1 °F 54.0 °F 55% 30.38 in 10.0 mi Calm Calm - N/A   Scattered Clouds
11:51 AM 73.9 °F 54.0 °F 50% 30.37 in 10.0 mi ENE 9.2 mph - N/A   Scattered Clouds
12:51 PM 75.9 °F 55.0 °F 48% 30.35 in 10.0 mi ENE 9.2 mph 16.1 mph N/A   Scattered Clouds
1:51 PM 77.0 °F 53.1 °F 43% 30.34 in 10.0 mi NNE 9.2 mph - N/A   Scattered Clouds
2:51 PM 78.1 °F 52.0 °F 40% 30.31 in 10.0 mi East 9.2 mph - N/A   Scattered Clouds
3:51 PM 78.1 °F 53.1 °F 42% 30.29 in 10.0 mi Variable 6.9 mph - N/A   Scattered Clouds
4:51 PM 78.8 °F 51.8 °F 39% 30.30 in 10.0 mi ENE 6.9 mph - N/A   Scattered Clouds
5:51 PM 75.2 °F 53.6 °F 47% 30.30 in 10.0 mi ENE 8.1 mph - N/A   Scattered Clouds
6:51 PM 73.9 °F 53.1 °F 48% 30.30 in 10.0 mi ESE 5.8 mph - N/A   Partly Cloudy
7:51 PM 68.0 °F 53.1 °F 59% 30.31 in 10.0 mi East 4.6 mph - N/A   Partly Cloudy
8:51 PM 64.9 °F 55.0 °F 70% 30.32 in 10.0 mi Calm Calm - N/A   Partly Cloudy
9:51 PM 62.1 °F 55.0 °F 78% 30.33 in 10.0 mi Calm Calm - N/A   Partly Cloudy
10:51 PM 60.1 °F 54.0 °F 80% 30.33 in 10.0 mi Calm Calm - N/A   Clear
11:51 PM 60.1 °F 53.1 °F 78% 30.33 in 10.0 mi ENE 5.8 mph - N/A   Clear