Weather History for Charleston, SC

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Thursday, February 21, 2013

  Actual Average Record
Temperature  
Mean Temperature 50 °F 53 °F  
Max Temperature 65 °F 64 °F 82 °F (1991)
Min Temperature 34 °F 42 °F 22 °F (1958)
Degree Days  
Heating Degree Days 15 12  
Month to date heating degree days 301 297  
Since 1 July heating degree days 1314 1556  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 21 2  
Moisture  
Dew Point 38 °F    
Average Humidity 67    
Maximum Humidity 100    
Minimum Humidity 34    
Precipitation  
Precipitation 0.00 in 0.11 in 1.28 in (2005)
Month to date precipitation 5.48 2.22  
Year to date precipitation 5.83 5.93  
Snow  
Snow 0.00 in 0.10 in - ()
Month to date snowfall T  
Since 1 July snowfall T 0.5  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.14 in    
Wind  
Wind Speed 4 mph (East)    
Max Wind Speed 14 mph    
Max Gust Speed 16 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Feb. 21, 2013 Rise Set
Actual Time 6:56 AM EST 6:10 PM EST
Civil Twilight 6:31 AM EST 6:35 PM EST
Nautical Twilight 6:03 AM EST 7:04 PM EST
Astronomical Twilight 5:34 AM EST 7:33 PM EST
Moon 2:32 PM EST (2/21) 3:51 AM EST (2/21)
Length of Visible Light 12h 03m
Length of Day
11h 14m
Waxing Gibbous, 83% of the Moon is Illuminated
Feb 21
Waxing Gibbous
Feb 25
Full
Mar 4
Last Quarter
Mar 11
New
Mar 19
First Quarter

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 39.9 °F - 35.1 °F 83% 30.12 in 10.0 mi Calm Calm - N/A   Clear
1:56 AM 41.0 °F - 35.1 °F 79% 30.13 in 10.0 mi Calm Calm - N/A   Clear
2:56 AM 39.9 °F - 37.0 °F 89% 30.12 in 10.0 mi Calm Calm - N/A   Clear
3:56 AM 39.0 °F - 36.0 °F 89% 30.11 in 10.0 mi Calm Calm - N/A   Clear
4:56 AM 37.0 °F - 36.0 °F 96% 30.12 in 10.0 mi Calm Calm - N/A   Clear
5:56 AM 37.0 °F - 35.1 °F 93% 30.13 in 10.0 mi Calm Calm - N/A   Clear
6:56 AM 36.0 °F - 35.1 °F 97% 30.14 in 10.0 mi Calm Calm - N/A   Clear
7:56 AM 43.0 °F 39.5 °F 39.0 °F 86% 30.18 in 10.0 mi NNE 5.8 mph - N/A   Partly Cloudy
8:56 AM 46.0 °F 43.1 °F 37.0 °F 71% 30.19 in 10.0 mi NE 5.8 mph - N/A   Partly Cloudy
9:56 AM 51.1 °F - 35.1 °F 54% 30.20 in 10.0 mi NNE 4.6 mph - N/A   Scattered Clouds
10:56 AM 55.9 °F - 35.1 °F 45% 30.20 in 10.0 mi NE 3.5 mph - N/A   Scattered Clouds
11:56 AM 57.9 °F - 33.1 °F 39% 30.19 in 10.0 mi Calm Calm - N/A   Scattered Clouds
12:56 PM 63.0 °F - 33.1 °F 33% 30.16 in 10.0 mi Variable 5.8 mph - N/A   Scattered Clouds
1:56 PM 63.0 °F - 34.0 °F 34% 30.13 in 10.0 mi ESE 5.8 mph - N/A   Scattered Clouds
2:56 PM 63.0 °F - 37.9 °F 40% 30.11 in 10.0 mi SSE 9.2 mph - N/A   Scattered Clouds
3:56 PM 60.1 °F - 37.9 °F 44% 30.11 in 10.0 mi SE 8.1 mph - N/A   Scattered Clouds
4:56 PM 57.9 °F - 37.9 °F 47% 30.11 in 10.0 mi South 10.4 mph - N/A   Mostly Cloudy
5:56 PM 53.1 °F - 39.0 °F 59% 30.12 in 10.0 mi SSE 5.8 mph - N/A   Mostly Cloudy
6:56 PM 51.1 °F - 41.0 °F 68% 30.13 in 10.0 mi East 5.8 mph - N/A   Mostly Cloudy
7:56 PM 50.0 °F - 41.0 °F 71% 30.14 in 10.0 mi ESE 4.6 mph - N/A   Mostly Cloudy
8:56 PM 50.0 °F - 43.0 °F 77% 30.15 in 10.0 mi ENE 4.6 mph - N/A   Scattered Clouds
9:56 PM 48.9 °F - 44.1 °F 83% 30.15 in 10.0 mi East 4.6 mph - N/A   Scattered Clouds
10:56 PM 48.0 °F - 43.0 °F 83% 30.17 in 10.0 mi ENE 5.8 mph - N/A   Scattered Clouds
11:56 PM 50.0 °F - 45.0 °F 83% 30.18 in 10.0 mi NE 6.9 mph - N/A   Overcast