Weather History for Marietta McCollum Field, GA

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Sunday, July 21, 2013

  Actual Average (KVPC) Record (KVPC)
Temperature  
Mean Temperature 78 °F 79 °F  
Max Temperature 86 °F 89 °F 97 °F (2008)
Min Temperature 69 °F 68 °F 62 °F (2004)
Cooling Degree Days 12 14  
Month to date cooling degree days 274  
Year to date cooling degree days 718  
Since 1 June cooling degree days 569  
Growing Degree Days 28 (Base 50)    
Moisture  
Dew Point 69 °F    
Average Humidity 80    
Maximum Humidity 89    
Minimum Humidity 58    
Precipitation  
Precipitation 0.00 in 0.13 in 2.43 in (1970)
Month to date precipitation 3.48  
Year to date precipitation 29.48  
Sea Level Pressure  
Sea Level Pressure 30.03 in    
Wind  
Wind Speed 4 mph (WSW)    
Max Wind Speed 21 mph    
Max Gust Speed 29 mph    
Visibility 7 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

Jul. 21, 2013 Rise Set
Actual Time 6:42 AM EDT 8:47 PM EDT
Civil Twilight 6:14 AM EDT 9:15 PM EDT
Nautical Twilight 5:39 AM EDT 9:49 PM EDT
Astronomical Twilight 5:03 AM EDT 10:25 PM EDT
Moon 7:46 PM EDT (7/21) 5:26 AM EDT (7/21)
Length of Visible Light 15h 00m
Length of Day
14h 04m
Waxing Gibbous, 98% of the Moon is Illuminated
Jul 21
Waxing Gibbous
Jul 22
Full
Jul 29
Last Quarter
Aug 6
New
Aug 14
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
6:47 AM 69.8 °F - 66.2 °F 88% 30.04 in 4.0 mi Calm Calm - N/A   Mostly Cloudy
7:47 AM 71.6 °F - 68.0 °F 88% 30.05 in 3.0 mi WSW 4.6 mph - N/A   Overcast
8:47 AM 71.6 °F - 68.0 °F 88% 30.06 in 3.0 mi West 5.8 mph - N/A   Overcast
9:48 AM 73.4 °F - 69.8 °F 88% 30.07 in 7.0 mi Calm Calm - N/A   Overcast
10:47 AM 75.2 °F - 69.8 °F 83% 30.07 in 10.0 mi West 5.8 mph - N/A   Overcast
11:47 AM 78.8 °F - 71.6 °F 78% 30.07 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
12:55 PM 80.6 °F 84.6 °F 71.6 °F 74% 30.05 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
1:47 PM 82.4 °F 87.2 °F 71.6 °F 70% 30.03 in 10.0 mi WSW 4.6 mph - N/A   Mostly Cloudy
2:47 PM 84.2 °F 88.4 °F 69.8 °F 62% 30.00 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
3:47 PM 86.0 °F 90.4 °F 69.8 °F 58% 29.98 in 10.0 mi WNW 5.8 mph - N/A   Mostly Cloudy
4:50 PM 77.0 °F - 69.8 °F 78% 29.98 in 6.0 mi WSW 5.8 mph - N/A Rain Light Rain
5:47 PM 80.6 °F 83.9 °F 69.8 °F 70% 29.98 in 7.0 mi SW 5.8 mph - N/A   Mostly Cloudy
6:47 PM 78.8 °F - 71.6 °F 78% 30.00 in 5.0 mi WSW 17.3 mph 25.3 mph N/A Rain , Thunderstorm Light Thunderstorms and Rain
7:05 PM 75.2 °F - 71.6 °F 89% 30.02 in 2.0 mi West 20.7 mph 28.8 mph N/A Rain , Thunderstorm Thunderstorms and Rain
7:47 PM 71.6 °F - 68.0 °F 88% 30.02 in 5.0 mi SE 8.1 mph - N/A   Overcast
8:47 PM 71.6 °F - 68.0 °F 88% 30.02 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:47 PM 71.6 °F - 68.0 °F 88% 30.03 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:47 PM 71.6 °F - 68.0 °F 88% 30.04 in 10.0 mi Calm Calm - N/A   Mostly Cloudy