Weather History for Raleigh-Durham Airport, NC

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Friday, August 17, 2012

  Actual Average Record
Temperature  
Mean Temperature 79 °F 79 °F  
Max Temperature 92 °F 89 °F 99 °F (1988)
Min Temperature 65 °F 69 °F 52 °F (1979)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 0 0  
Since 1 June heating degree days 0 4  
Since 1 July heating degree days 0 0  
Cooling Degree Days 14 14  
Month to date cooling degree days 265 243  
Year to date cooling degree days 1468 1265  
Since 1 June cooling degree days 1146 1056  
Growing Degree Days 28 (Base 50)    
Moisture  
Dew Point 66 °F    
Average Humidity 67    
Maximum Humidity 93    
Minimum Humidity 41    
Precipitation  
Precipitation T in 0.13 in 4.12 in (1955)
Month to date precipitation 1.24 2.25  
Year to date precipitation 24.84 27.53  
Sea Level Pressure  
Sea Level Pressure 29.91 in    
Wind  
Wind Speed 4 mph (SW)    
Max Wind Speed 16 mph    
Max Gust Speed 25 mph    
Visibility 9 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Aug. 17, 2012 Rise Set
Actual Time 6:35 AM EDT 8:01 PM EDT
Civil Twilight 6:08 AM EDT 8:28 PM EDT
Nautical Twilight 5:36 AM EDT 9:01 PM EDT
Astronomical Twilight 5:02 AM EDT 9:34 PM EDT
Moon 6:34 AM EDT 7:47 PM EDT
Length of Visible Light 14h 20m
Length of Day
13h 26m
Waxing Crescent, 0% of the Moon is Illuminated
Aug 17
Waxing Crescent
Aug 24
First Quarter
Aug 31
Full
Sep 8
Last Quarter
Sep 15
New

Hourly Weather History & Observations

Time (EDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:51 AM 70.0 °F - 66.0 °F 87% 29.99 in 10.0 mi Calm Calm - N/A   Clear
1:51 AM 71.1 °F - 66.0 °F 84% 29.96 in 10.0 mi Calm Calm - N/A   Clear
2:51 AM 69.8 °F - 66.2 °F 88% 29.96 in 10.0 mi Calm Calm - N/A   Clear
3:51 AM 68.0 °F - 64.9 °F 90% 29.94 in 10.0 mi Calm Calm - N/A   Clear
4:51 AM 68.0 °F - 64.9 °F 90% 29.92 in 8.0 mi Calm Calm - N/A   Clear
5:51 AM 66.2 °F - 64.4 °F 94% 29.94 in 8.0 mi Calm Calm - N/A   Clear
6:51 AM 66.2 °F - 64.4 °F 94% 29.94 in 6.0 mi Calm Calm - N/A   Partly Cloudy
7:51 AM 71.1 °F - 66.9 °F 87% 29.94 in 7.0 mi Calm Calm - N/A   Partly Cloudy
8:51 AM 75.9 °F - 68.0 °F 76% 29.95 in 10.0 mi SW 5.8 mph - N/A   Clear
9:51 AM 81.0 °F 83.0 °F 66.0 °F 60% 29.94 in 10.0 mi SW 3.5 mph - N/A   Partly Cloudy
10:51 AM 84.9 °F 86.6 °F 64.9 °F 51% 29.94 in 10.0 mi WSW 8.1 mph - N/A   Scattered Clouds
11:51 AM 87.1 °F 88.9 °F 64.9 °F 48% 29.94 in 10.0 mi SW 6.9 mph - N/A   Scattered Clouds
12:51 PM 89.6 °F 91.1 °F 64.4 °F 43% 29.94 in 10.0 mi SW 8.1 mph - N/A   Mostly Cloudy
1:51 PM 90.0 °F 91.3 °F 64.0 °F 42% 29.90 in 10.0 mi SW 11.5 mph - N/A   Scattered Clouds
2:51 PM 91.0 °F 93.0 °F 64.9 °F 42% 29.88 in 10.0 mi WSW 13.8 mph 17.3 mph N/A   Scattered Clouds
3:51 PM 90.0 °F 91.3 °F 64.0 °F 42% 29.85 in 10.0 mi WSW 4.6 mph - N/A   Scattered Clouds
4:51 PM 90.0 °F 91.3 °F 64.0 °F 42% 29.83 in 10.0 mi WSW 3.5 mph - N/A   Scattered Clouds
5:51 PM 90.0 °F 91.7 °F 64.9 °F 43% 29.82 in 10.0 mi WSW 4.6 mph - N/A   Mostly Cloudy
6:51 PM 84.9 °F 86.6 °F 64.9 °F 51% 29.83 in 10.0 mi WSW 4.6 mph - N/A   Mostly Cloudy
7:51 PM 82.0 °F 83.8 °F 64.9 °F 56% 29.84 in 10.0 mi WSW 4.6 mph - N/A   Mostly Cloudy
8:51 PM 77.0 °F - 68.0 °F 74% 29.88 in 10.0 mi WSW 9.2 mph - N/A Rain Light Rain
9:51 PM 73.9 °F - 71.1 °F 91% 29.88 in 10.0 mi Variable 3.5 mph - 0.00 in Rain Light Rain
10:51 PM 73.0 °F - 70.0 °F 90% 29.88 in 9.0 mi Calm Calm - 0.00 in   Mostly Cloudy
11:51 PM 73.0 °F - 69.1 °F 87% 29.88 in 9.0 mi Calm Calm - N/A   Mostly Cloudy