Charleston, SC

2:38 AM EDT on May 26, 2018 (GMT -0400)
Charleston Air Force Base-International

Weather History for KCHS - September, 2012

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Friday, September 21, 2012

  Actual Average Record
Temperature  
Mean Temperature 74 °F 75 °F  
Max Temperature 85 °F 84 °F 94 °F (1990)
Min Temperature 63 °F 66 °F 52 °F (1962)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 0 0  
Since 1 July heating degree days 0 0  
Cooling Degree Days 9 10  
Month to date cooling degree days 274 257  
Year to date cooling degree days 2246 2062  
Growing Degree Days 24 (Base 50)    
Moisture  
Dew Point 63 °F    
Average Humidity 69    
Maximum Humidity 93    
Minimum Humidity 44    
Precipitation  
Precipitation 0.00 in 0.18 in 10.52 in (1998)
Month to date precipitation 1.10 4.57  
Year to date precipitation 36.23 40.21  
Sea Level Pressure  
Sea Level Pressure 30.05 in    
Wind  
Wind Speed 4 mph (ENE)    
Max Wind Speed 10 mph    
Max Gust Speed 14 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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Astronomy

Sep. 21, 2012 Rise Set
Actual Time 7:07 AM EDT 7:17 PM EDT
Civil Twilight 6:43 AM EDT 7:42 PM EDT
Nautical Twilight 6:14 AM EDT 8:10 PM EDT
Astronomical Twilight 5:45 AM EDT 8:39 PM EDT
Moon 1:08 PM EDT (9/21) 11:36 PM EDT (9/21)
Length of Visible Light 12h 58m
Length of Day
12h 09m
Waxing Crescent, 37% of the Moon is Illuminated
Sep 21
Waxing Crescent
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter
Oct 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
12:56 AM 66.9 °F - 64.9 °F 93% 30.08 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
1:56 AM 66.9 °F - 64.9 °F 93% 30.07 in 10.0 mi NE 3.5 mph - N/A   Scattered Clouds
2:56 AM 66.9 °F - 64.0 °F 90% 30.06 in 10.0 mi NNE 3.5 mph - N/A   Mostly Cloudy
3:56 AM 66.9 °F - 64.0 °F 90% 30.05 in 10.0 mi NNE 4.6 mph - N/A   Scattered Clouds
4:56 AM 64.9 °F - 62.1 °F 90% 30.06 in 10.0 mi North 3.5 mph - N/A   Partly Cloudy
5:56 AM 64.0 °F - 61.0 °F 90% 30.07 in 10.0 mi North 3.5 mph - N/A   Partly Cloudy
6:56 AM 63.0 °F - 61.0 °F 93% 30.06 in 10.0 mi Calm Calm - N/A   Partly Cloudy
7:56 AM 64.9 °F - 62.1 °F 90% 30.07 in 10.0 mi Calm Calm - N/A   Scattered Clouds
8:56 AM 71.1 °F - 62.1 °F 73% 30.08 in 10.0 mi NE 5.8 mph - N/A   Scattered Clouds
9:56 AM 75.0 °F - 64.0 °F 69% 30.09 in 10.0 mi Variable 4.6 mph - N/A   Partly Cloudy
10:56 AM 77.0 °F - 64.0 °F 64% 30.08 in 10.0 mi ENE 3.5 mph - N/A   Scattered Clouds
11:56 AM 80.1 °F 81.1 °F 61.0 °F 52% 30.08 in 10.0 mi East 5.8 mph - N/A   Scattered Clouds
12:56 PM 82.0 °F 82.1 °F 59.0 °F 45% 30.06 in 10.0 mi NE 5.8 mph - N/A   Scattered Clouds
1:56 PM 82.9 °F 83.2 °F 60.1 °F 46% 30.04 in 10.0 mi NNE 5.8 mph - N/A   Scattered Clouds
2:56 PM 82.9 °F 83.2 °F 60.1 °F 46% 30.03 in 10.0 mi Calm Calm - N/A   Scattered Clouds
3:56 PM 84.9 °F 85.0 °F 61.0 °F 44% 30.02 in 10.0 mi NNE 6.9 mph - N/A   Scattered Clouds
4:56 PM 80.1 °F 81.7 °F 64.0 °F 58% 30.01 in 10.0 mi SSE 6.9 mph - N/A   Mostly Cloudy
5:56 PM 80.1 °F 81.7 °F 64.0 °F 58% 30.02 in 10.0 mi SE 8.1 mph - N/A   Mostly Cloudy
6:56 PM 75.9 °F - 63.0 °F 64% 30.03 in 10.0 mi ESE 6.9 mph - N/A   Mostly Cloudy
7:56 PM 73.9 °F - 63.0 °F 68% 30.03 in 10.0 mi ESE 6.9 mph - N/A   Scattered Clouds
8:56 PM 72.0 °F - 63.0 °F 73% 30.03 in 10.0 mi SE 5.8 mph - N/A   Scattered Clouds
9:56 PM 71.1 °F - 63.0 °F 75% 30.03 in 10.0 mi SSE 5.8 mph - N/A   Scattered Clouds
10:56 PM 71.1 °F - 63.0 °F 75% 30.03 in 10.0 mi South 4.6 mph - N/A   Scattered Clouds
11:56 PM 70.0 °F - 64.0 °F 81% 30.03 in 10.0 mi Calm Calm - N/A   Scattered Clouds