Atlanta, GA

4:01 PM EDT on August 20, 2017 (GMT -0400)
The Hartsfield Atlanta International

Weather History for KATL - September, 2013

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Friday, September 13, 2013

  Actual Average Record
Temperature  
Mean Temperature 77 °F 74 °F  
Max Temperature 87 °F 83 °F 95 °F (1991)
Min Temperature 66 °F 66 °F 50 °F (1902)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 0 0  
Since 1 July heating degree days 1 0  
Cooling Degree Days 12 10  
Month to date cooling degree days 189 146  
Year to date cooling degree days 1571 1685  
Growing Degree Days 28 (Base 50)    
Moisture  
Dew Point 62 °F    
Average Humidity 65    
Maximum Humidity 90    
Minimum Humidity 39    
Precipitation  
Precipitation 0.00 in 0.15 in 2.30 in (1892)
Month to date precipitation 0.52 1.90  
Year to date precipitation 51.56 35.73  
Sea Level Pressure  
Sea Level Pressure 29.87 in    
Wind  
Wind Speed 10 mph (NW)    
Max Wind Speed 18 mph    
Max Gust Speed 22 mph    
Visibility 10 miles    
Events      
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

Sep. 13, 2013 Rise Set
Actual Time 7:19 AM EDT 7:46 PM EDT
Civil Twilight 6:54 AM EDT 8:11 PM EDT
Nautical Twilight 6:25 AM EDT 8:40 PM EDT
Astronomical Twilight 5:55 AM EDT 9:10 PM EDT
Moon 3:23 PM EDT (9/13) 1:00 AM EDT (9/13)
Length of Visible Light 13h 16m
Length of Day
12h 26m
First Quarter, 61% of the Moon is Illuminated
Sep 13
First Quarter
Sep 19
Full
Sep 26
Last Quarter
Oct 4
New
Oct 11
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
12:52 AM 75.9 °F - 66.9 °F 74% 29.92 in 10.0 mi NW 11.5 mph - N/A   Overcast
1:52 AM 75.0 °F - 66.0 °F 73% 29.90 in 10.0 mi NW 8.1 mph - N/A   Overcast
2:52 AM 73.0 °F - 64.9 °F 76% 29.88 in 10.0 mi NW 9.2 mph - N/A   Mostly Cloudy
3:52 AM 72.0 °F - 64.0 °F 76% 29.87 in 10.0 mi West 4.6 mph - N/A   Scattered Clouds
4:52 AM 71.1 °F - 66.0 °F 84% 29.88 in 10.0 mi NW 9.2 mph - N/A   Scattered Clouds
5:52 AM 70.0 °F - 66.0 °F 87% 29.88 in 10.0 mi WNW 6.9 mph - N/A   Partly Cloudy
6:52 AM 71.1 °F - 66.0 °F 84% 29.88 in 10.0 mi NW 9.2 mph - N/A   Partly Cloudy
7:52 AM 71.1 °F - 66.9 °F 87% 29.89 in 10.0 mi NW 10.4 mph - N/A   Scattered Clouds
8:52 AM 73.9 °F - 66.9 °F 79% 29.89 in 10.0 mi NNW 11.5 mph - N/A   Mostly Cloudy
9:52 AM 77.0 °F - 66.9 °F 71% 29.89 in 10.0 mi NNW 13.8 mph - N/A   Mostly Cloudy
10:52 AM 80.1 °F 82.1 °F 66.0 °F 62% 29.90 in 10.0 mi NW 10.4 mph - N/A   Mostly Cloudy
11:52 AM 84.0 °F 84.5 °F 62.1 °F 47% 29.90 in 10.0 mi NNW 13.8 mph - N/A   Mostly Cloudy
12:52 PM 82.9 °F 83.3 °F 61.0 °F 47% 29.88 in 10.0 mi NW 11.5 mph - N/A   Mostly Cloudy
1:52 PM 86.0 °F 86.1 °F 61.0 °F 43% 29.87 in 10.0 mi NNW 9.2 mph - N/A   Mostly Cloudy
2:52 PM 87.1 °F 86.5 °F 59.0 °F 39% 29.85 in 10.0 mi North 12.7 mph 17.3 mph N/A   Mostly Cloudy
3:52 PM 87.1 °F 86.7 °F 60.1 °F 40% 29.83 in 10.0 mi WNW 11.5 mph - N/A   Scattered Clouds
4:52 PM 86.0 °F 85.7 °F 60.1 °F 41% 29.82 in 10.0 mi NW 12.7 mph - N/A   Scattered Clouds
5:52 PM 84.9 °F 84.8 °F 60.1 °F 43% 29.81 in 10.0 mi West 11.5 mph - N/A   Mostly Cloudy
6:52 PM 82.0 °F 82.1 °F 59.0 °F 45% 29.82 in 10.0 mi NW 17.3 mph 21.9 mph N/A   Mostly Cloudy
7:52 PM 78.1 °F - 60.1 °F 54% 29.84 in 10.0 mi North 12.7 mph - N/A   Scattered Clouds
8:52 PM 75.0 °F - 57.9 °F 55% 29.86 in 10.0 mi North 8.1 mph - N/A   Scattered Clouds
9:52 PM 73.0 °F - 55.9 °F 55% 29.88 in 10.0 mi NNW 8.1 mph - N/A   Partly Cloudy
10:52 PM 70.0 °F - 55.0 °F 59% 29.89 in 10.0 mi NNW 8.1 mph - N/A   Scattered Clouds
11:52 PM 68.0 °F - 54.0 °F 61% 29.90 in 10.0 mi NNW 6.9 mph - N/A   Scattered Clouds