Weather History for Raleigh-Durham Airport, NC

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Tuesday, May 21, 2013

  Actual Average Record
Temperature  
Mean Temperature 77 °F 69 °F  
Max Temperature 85 °F 81 °F 96 °F (1941)
Min Temperature 69 °F 58 °F 44 °F (1968)
Degree Days  
Heating Degree Days 0 1  
Month to date heating degree days 68 45  
Since 1 July heating degree days 3304 3234  
Cooling Degree Days 12 5  
Month to date cooling degree days 67 81  
Year to date cooling degree days 117 142  
Growing Degree Days 26 (Base 50)    
Moisture  
Dew Point 68 °F    
Average Humidity 78    
Maximum Humidity 90    
Minimum Humidity 65    
Precipitation  
Precipitation T in 0.11 in 2.60 in (1931)
Month to date precipitation 4.33 2.09  
Year to date precipitation 18.84 15.85  
Snow  
Snow 0.00 in - - ()
Month to date snowfall 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.01 in    
Wind  
Wind Speed 8 mph (SW)    
Max Wind Speed 15 mph    
Max Gust Speed 21 mph    
Visibility 10 miles    
Events Rain , Thunderstorm    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Astronomy

May. 21, 2013 Rise Set
Actual Time 6:05 AM EDT 8:18 PM EDT
Civil Twilight 5:36 AM EDT 8:47 PM EDT
Nautical Twilight 5:00 AM EDT 9:23 PM EDT
Astronomical Twilight 4:22 AM EDT 10:01 PM EDT
Moon 4:36 PM EDT (5/21) 3:24 AM EDT (5/21)
Length of Visible Light 15h 11m
Length of Day
14h 13m
Waxing Gibbous, 84% of the Moon is Illuminated
May 21
Waxing Gibbous
May 25
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM 69.8 °F - 66.2 °F 88% 30.04 in 10.0 mi South 4.6 mph - N/A   Overcast
12:51 AM 69.1 °F - 66.0 °F 90% 30.03 in 10.0 mi SSW 6.9 mph - N/A   Mostly Cloudy
1:51 AM 69.1 °F - 66.0 °F 90% 30.03 in 10.0 mi SW 6.9 mph - N/A   Mostly Cloudy
2:34 AM 69.8 °F - 66.2 °F 88% 30.03 in 10.0 mi SSW 5.8 mph - N/A   Mostly Cloudy
2:51 AM 69.1 °F - 66.0 °F 90% 30.02 in 9.0 mi SSW 5.8 mph - N/A   Mostly Cloudy
3:51 AM 69.1 °F - 66.0 °F 90% 30.01 in 9.0 mi SSW 5.8 mph - N/A   Mostly Cloudy
4:51 AM 69.1 °F - 66.0 °F 90% 30.01 in 9.0 mi SSW 6.9 mph - N/A   Mostly Cloudy
5:51 AM 69.1 °F - 66.0 °F 90% 30.03 in 8.0 mi SW 9.2 mph - N/A   Mostly Cloudy
6:37 AM 69.8 °F - 66.2 °F 88% 30.05 in 7.0 mi WSW 4.6 mph - N/A   Overcast
6:51 AM 69.1 °F - 66.0 °F 90% 30.05 in 7.0 mi WSW 5.8 mph - N/A   Overcast
7:51 AM 70.0 °F - 66.0 °F 87% 30.04 in 7.0 mi SSW 8.1 mph - 0.00 in Rain Light Rain
8:51 AM 71.1 °F - 66.9 °F 87% 30.05 in 9.0 mi SW 10.4 mph - 0.00 in   Overcast
9:51 AM 72.0 °F - 68.0 °F 87% 30.05 in 9.0 mi SW 9.2 mph - N/A   Overcast
10:36 AM 73.4 °F - 68.0 °F 83% 30.06 in 10.0 mi SW 6.9 mph - N/A   Overcast
10:51 AM 73.9 °F - 68.0 °F 82% 30.05 in 10.0 mi WSW 5.8 mph - N/A   Overcast
11:32 AM 75.2 °F - 69.8 °F 83% 30.06 in 10.0 mi WSW 8.1 mph - N/A   Overcast
11:51 AM 75.9 °F - 69.1 °F 79% 30.05 in 10.0 mi SW 9.2 mph - N/A   Overcast
12:51 PM 79.0 °F - 70.0 °F 74% 30.03 in 10.0 mi SSW 6.9 mph - N/A   Mostly Cloudy
1:51 PM 82.0 °F 86.3 °F 71.1 °F 69% 30.01 in 10.0 mi West 4.6 mph - N/A   Mostly Cloudy
2:22 PM 82.4 °F 86.3 °F 69.8 °F 66% 30.01 in 10.0 mi WSW 8.1 mph 16.1 mph N/A   Mostly Cloudy
2:51 PM 84.0 °F 89.0 °F 71.1 °F 65% 29.99 in 10.0 mi SW 9.2 mph - N/A   Mostly Cloudy
3:33 PM 82.4 °F 86.3 °F 69.8 °F 66% 29.98 in 10.0 mi SSW 4.6 mph - N/A Thunderstorm Thunderstorm
3:51 PM 84.0 °F 88.4 °F 70.0 °F 63% 29.96 in 10.0 mi WSW 6.9 mph - N/A Thunderstorm Thunderstorm
4:33 PM 82.4 °F 86.3 °F 69.8 °F 66% 29.97 in 10.0 mi South 11.5 mph 16.1 mph N/A   Mostly Cloudy
4:49 PM 78.8 °F - 69.8 °F 74% 29.97 in 10.0 mi South 12.7 mph - N/A   Mostly Cloudy
4:51 PM 79.0 °F - 69.1 °F 72% 29.96 in 10.0 mi South 12.7 mph - N/A   Mostly Cloudy
5:51 PM 79.0 °F - 69.1 °F 72% 29.96 in 10.0 mi SSE 9.2 mph - N/A   Mostly Cloudy
6:51 PM 79.0 °F - 69.1 °F 72% 29.96 in 10.0 mi South 12.7 mph 18.4 mph N/A   Mostly Cloudy
7:51 PM 75.0 °F - 66.9 °F 76% 29.96 in 10.0 mi South 8.1 mph - N/A   Mostly Cloudy
8:51 PM 72.0 °F - 66.0 °F 81% 29.96 in 10.0 mi South 6.9 mph - N/A   Mostly Cloudy
9:51 PM 71.1 °F - 66.9 °F 87% 29.98 in 10.0 mi SSW 5.8 mph - N/A   Mostly Cloudy
10:51 PM 71.1 °F - 66.9 °F 87% 29.99 in 10.0 mi SSW 5.8 mph - N/A   Scattered Clouds
11:21 PM 69.8 °F - 66.2 °F 88% 30.01 in 10.0 mi SW 5.8 mph - N/A   Scattered Clouds
11:34 PM 69.8 °F - 68.0 °F 94% 30.01 in 10.0 mi SW 10.4 mph - N/A   Mostly Cloudy
11:51 PM 71.1 °F - 68.0 °F 90% 30.00 in 10.0 mi SW 8.1 mph - N/A   Mostly Cloudy