Atlanta, GA

9:25 PM EST on December 08, 2016 (GMT -0500)
The Hartsfield Atlanta International

Weather History for KATL - August, 2012

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Monday, August 13, 2012

  Actual Average Record
Temperature  
Mean Temperature 77 °F 80 °F  
Max Temperature 91 °F 89 °F 100 °F (2007)
Min Temperature 63 °F 71 °F 56 °F (1964)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 0 0  
Since 1 June heating degree days 0 2  
Since 1 July heating degree days 0 0  
Cooling Degree Days 12 15  
Month to date cooling degree days 202 195  
Year to date cooling degree days 1661 1287  
Since 1 June cooling degree days 1172 1037  
Growing Degree Days 27 (Base 50)    
Moisture  
Dew Point 62 °F    
Average Humidity 64    
Maximum Humidity 93    
Minimum Humidity 34    
Precipitation  
Precipitation 0.37 in 0.12 in 2.27 in (1941)
Month to date precipitation 1.49 1.61  
Year to date precipitation 23.83 31.54  
Sea Level Pressure  
Sea Level Pressure 30.02 in    
Wind  
Wind Speed 5 mph (NW)    
Max Wind Speed 26 mph    
Max Gust Speed 33 mph    
Visibility 9 miles    
Events Rain , Thunderstorm    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Date:

Astronomy

Aug. 13, 2012 Rise Set
Actual Time 6:58 AM EDT 8:25 PM EDT
Civil Twilight 6:32 AM EDT 8:52 PM EDT
Nautical Twilight 6:00 AM EDT 9:23 PM EDT
Astronomical Twilight 5:27 AM EDT 9:56 PM EDT
Moon 3:06 AM EDT (8/13) 5:31 PM EDT (8/13)
Length of Visible Light 14h 19m
Length of Day
13h 26m
Waning Crescent, 16% of the Moon is Illuminated
Aug 13
Waning Crescent
Aug 17
New
Aug 24
First Quarter
Aug 31
Full
Sep 8
Last Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:52 AM 71.1 °F - 57.9 °F 63% 30.03 in 10.0 mi NW 4.6 mph - N/A   Clear
1:52 AM 69.1 °F - 59.0 °F 70% 30.01 in 10.0 mi WNW 4.6 mph - N/A   Clear
2:52 AM 69.1 °F - 57.9 °F 68% 30.01 in 7.0 mi NW 3.5 mph - N/A   Clear
3:52 AM 68.0 °F - 57.9 °F 70% 30.00 in 9.0 mi NW 3.5 mph - N/A   Clear
4:52 AM 66.0 °F - 57.9 °F 75% 30.01 in 10.0 mi West 3.5 mph - N/A   Clear
5:52 AM 64.9 °F - 57.0 °F 75% 30.02 in 7.0 mi West 4.6 mph - N/A   Clear
6:52 AM 64.0 °F - 57.0 °F 78% 30.03 in 10.0 mi Calm Calm - N/A   Partly Cloudy
7:52 AM 66.0 °F - 57.9 °F 75% 30.05 in 10.0 mi Calm Calm - N/A   Clear
8:52 AM 71.1 °F - 60.1 °F 68% 30.06 in 10.0 mi Calm Calm - N/A   Partly Cloudy
9:52 AM 77.0 °F - 55.9 °F 48% 30.06 in 10.0 mi WSW 4.6 mph - N/A   Partly Cloudy
10:52 AM 80.1 °F 80.4 °F 57.0 °F 45% 30.06 in 10.0 mi Variable 4.6 mph - N/A   Scattered Clouds
11:52 AM 82.9 °F 82.4 °F 57.0 °F 41% 30.06 in 10.0 mi NW 8.1 mph - N/A   Scattered Clouds
12:52 PM 84.0 °F 83.5 °F 57.9 °F 41% 30.05 in 10.0 mi Variable 5.8 mph - N/A   Scattered Clouds
1:52 PM 84.9 °F 83.7 °F 55.9 °F 37% 30.02 in 10.0 mi West 4.6 mph 16.1 mph N/A   Mostly Cloudy
2:52 PM 87.1 °F 85.7 °F 55.9 °F 35% 30.00 in 10.0 mi Variable 3.5 mph - N/A   Mostly Cloudy
3:52 PM 88.0 °F 86.9 °F 57.9 °F 36% 29.98 in 10.0 mi NNW 9.2 mph - N/A   Mostly Cloudy
4:52 PM 87.1 °F 86.7 °F 60.1 °F 40% 29.99 in 10.0 mi NW 9.2 mph 16.1 mph N/A   Overcast
5:52 PM 84.9 °F 85.4 °F 62.1 °F 46% 30.00 in 10.0 mi West 8.1 mph - N/A Thunderstorm Thunderstorm
6:19 PM 73.4 °F - 69.8 °F 88% 30.05 in 2.5 mi WNW 24.2 mph 28.8 mph 0.10 in Rain , Thunderstorm Heavy Thunderstorms and Rain
6:23 PM 71.6 °F - 69.8 °F 94% 30.06 in 1.2 mi WNW 19.6 mph 32.2 mph 0.16 in Rain , Thunderstorm Heavy Thunderstorms and Rain
6:26 PM 71.6 °F - 69.8 °F 94% 30.06 in 0.8 mi NW 10.4 mph 32.2 mph 0.28 in Rain , Thunderstorm Heavy Thunderstorms and Rain
6:34 PM 73.4 °F - 69.8 °F 88% 30.04 in 3.0 mi NNE 10.4 mph - 0.37 in Rain , Thunderstorm Thunderstorms and Rain
6:49 PM 73.4 °F - 68.0 °F 83% 29.99 in 10.0 mi NNE 11.5 mph - 0.37 in Rain Light Rain
6:52 PM 73.9 °F - 68.0 °F 82% 29.98 in 10.0 mi North 12.7 mph - 0.37 in   Overcast
7:52 PM 73.9 °F - 69.1 °F 85% 29.98 in 10.0 mi North 8.1 mph - N/A   Overcast
8:52 PM 73.9 °F - 69.1 °F 85% 29.98 in 10.0 mi NNE 3.5 mph - N/A   Mostly Cloudy
9:09 PM 73.4 °F - 69.8 °F 88% 30.01 in 10.0 mi North 6.9 mph - N/A   Overcast
9:19 PM 73.4 °F - 69.8 °F 88% 30.01 in 9.0 mi NE 3.5 mph - N/A   Mostly Cloudy
9:52 PM 72.0 °F - 69.1 °F 91% 30.01 in 8.0 mi WNW 5.8 mph - N/A   Mostly Cloudy
10:52 PM 72.0 °F - 68.0 °F 87% 30.00 in 9.0 mi NW 3.5 mph - N/A   Scattered Clouds
11:52 PM 71.1 °F - 69.1 °F 93% 30.00 in 8.0 mi Calm Calm - N/A   Mostly Cloudy