Weather History for Raleigh-Durham Airport, NC

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Thursday, September 20, 2012

  Actual Average Record
Temperature  
Mean Temperature 65 °F 70 °F  
Max Temperature 76 °F 81 °F 96 °F (1895)
Min Temperature 53 °F 60 °F 44 °F (1959)
Degree Days  
Heating Degree Days 0 1  
Month to date heating degree days 3 4  
Since 1 July heating degree days 3 5  
Cooling Degree Days 0 6  
Month to date cooling degree days 167 178  
Year to date cooling degree days 1789 1619  
Growing Degree Days 14 (Base 50)    
Moisture  
Dew Point 55 °F    
Average Humidity 72    
Maximum Humidity 93    
Minimum Humidity 50    
Precipitation  
Precipitation 0.00 in 0.14 in 2.21 in (1969)
Month to date precipitation 6.78 3.11  
Year to date precipitation 34.41 32.65  
Sea Level Pressure  
Sea Level Pressure 30.12 in    
Wind  
Wind Speed 1 mph (ENE)    
Max Wind Speed 9 mph    
Max Gust Speed 13 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Sep. 20, 2012 Rise Set
Actual Time 7:01 AM EDT 7:14 PM EDT
Civil Twilight 6:36 AM EDT 7:39 PM EDT
Nautical Twilight 6:06 AM EDT 8:09 PM EDT
Astronomical Twilight 5:36 AM EDT 8:39 PM EDT
Moon 12:06 PM EDT (9/20) 10:26 PM EDT (9/20)
Length of Visible Light 13h 03m
Length of Day
12h 12m
Waxing Crescent, 26% of the Moon is Illuminated
Sep 20
Waxing Crescent
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter
Oct 15
New

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:51 AM 57.2 °F 53.6 °F 88% 30.14 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
1:51 AM 57.9 °F 54.0 °F 87% 30.14 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
2:51 AM 55.9 °F 53.1 °F 90% 30.14 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
3:51 AM 55.9 °F 53.1 °F 90% 30.14 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
4:51 AM 55.9 °F 54.0 °F 93% 30.13 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
5:51 AM 55.0 °F 53.1 °F 93% 30.14 in 9.0 mi Calm Calm - N/A   Scattered Clouds
6:51 AM 54.0 °F 52.0 °F 93% 30.16 in 7.0 mi Calm Calm - N/A   Scattered Clouds
7:51 AM 55.0 °F 53.1 °F 93% 30.17 in 8.0 mi Calm Calm - N/A   Mostly Cloudy
8:51 AM 60.1 °F 55.9 °F 86% 30.18 in 10.0 mi North 3.5 mph - N/A   Mostly Cloudy
9:51 AM 64.0 °F 55.0 °F 73% 30.18 in 10.0 mi NE 3.5 mph - N/A   Mostly Cloudy
10:51 AM 66.9 °F 53.1 °F 61% 30.18 in 10.0 mi NE 6.9 mph - N/A   Scattered Clouds
11:51 AM 69.1 °F 53.1 °F 57% 30.16 in 10.0 mi ENE 6.9 mph - N/A   Scattered Clouds
12:51 PM 72.0 °F 55.0 °F 55% 30.14 in 10.0 mi Calm Calm - N/A   Scattered Clouds
1:51 PM 73.9 °F 55.0 °F 52% 30.12 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
2:51 PM 75.0 °F 55.0 °F 50% 30.10 in 10.0 mi East 3.5 mph - N/A   Mostly Cloudy
3:51 PM 75.0 °F 55.0 °F 50% 30.08 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
4:51 PM 75.9 °F 55.9 °F 50% 30.07 in 10.0 mi NE 3.5 mph - N/A   Mostly Cloudy
5:51 PM 75.0 °F 55.9 °F 51% 30.06 in 10.0 mi East 4.6 mph - N/A   Mostly Cloudy
6:51 PM 71.6 °F 57.2 °F 60% 30.08 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:51 PM 66.9 °F 60.1 °F 79% 30.08 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:51 PM 64.9 °F 59.0 °F 81% 30.09 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:51 PM 64.4 °F 59.0 °F 83% 30.10 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:51 PM 63.0 °F 59.0 °F 87% 30.10 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
11:51 PM 62.1 °F 57.9 °F 86% 30.10 in 10.0 mi Calm Calm - N/A   Mostly Cloudy