Weather History for Charleston, SC

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Monday, October 17, 2011

  Actual Average Record
Temperature  
Mean Temperature 69 °F 66 °F  
Max Temperature 84 °F 77 °F 91 °F (1972)
Min Temperature 53 °F 56 °F 35 °F (1939)
Degree Days  
Heating Degree Days 0 2  
Month to date heating degree days 17 22  
Since 1 July heating degree days 17 25  
Cooling Degree Days 4 4  
Month to date cooling degree days 64 90  
Year to date cooling degree days 2651 2228  
Growing Degree Days 18 (Base 50)    
Moisture  
Dew Point 58 °F    
Average Humidity 70    
Maximum Humidity 100    
Minimum Humidity 40    
Precipitation  
Precipitation 0.00 in 0.13 in 3.72 in (1999)
Month to date precipitation 0.95 2.36  
Year to date precipitation 34.00 44.10  
Snow  
Snow 0.00 in 0.00 in - ()
Month to date snowfall 0.0  
Since 1 July snowfall 0.0 0.0  
Since 1 September snowfall 0.0 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.98 in    
Wind  
Wind Speed 5 mph (SSW)    
Max Wind Speed 13 mph    
Max Gust Speed 13 mph    
Visibility 10 miles    
Events Fog    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Oct. 17, 2011 Rise Set
Actual Time 7:25 AM EDT 6:44 PM EDT
Civil Twilight 7:00 AM EDT 7:09 PM EDT
Nautical Twilight 6:31 AM EDT 7:38 PM EDT
Astronomical Twilight 6:03 AM EDT 8:07 PM EDT
Moon 10:36 PM EDT (10/17) 12:17 PM EDT (10/17)
Length of Visible Light 12h 09m
Length of Day
11h 19m
Waning Gibbous, 74% of the Moon is Illuminated
Oct 17
Waning Gibbous
Oct 19
Last Quarter
Oct 26
New
Nov 2
First Quarter
Nov 10
Full

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 57.9 °F - 54.0 °F 87% 30.05 in 10.0 mi Calm Calm - N/A   Clear
1:56 AM 57.0 °F - 55.0 °F 93% 30.05 in 10.0 mi South 4.6 mph - N/A   Clear
2:56 AM 57.0 °F - 55.0 °F 93% 30.03 in 10.0 mi SSW 4.6 mph - N/A   Clear
3:56 AM 55.0 °F - 54.0 °F 96% 30.01 in 10.0 mi South 4.6 mph - N/A   Clear
4:56 AM 60.1 °F - 57.9 °F 93% 30.01 in 10.0 mi Calm Calm - N/A   Clear
5:56 AM 57.9 °F - 57.0 °F 97% 30.02 in 10.0 mi Calm Calm - N/A   Clear
6:56 AM 54.0 °F - 53.1 °F 97% 30.02 in 10.0 mi Calm Calm - N/A Fog Shallow Fog
7:56 AM 55.9 °F - 55.9 °F 100% 30.03 in 10.0 mi Calm Calm - N/A Fog Shallow Fog
8:56 AM 64.0 °F - 60.1 °F 87% 30.04 in 10.0 mi WSW 3.5 mph - N/A   Clear
9:56 AM 70.0 °F - 62.1 °F 76% 30.04 in 10.0 mi WSW 5.8 mph - N/A   Clear
10:56 AM 73.9 °F - 59.0 °F 59% 30.03 in 10.0 mi West 6.9 mph - N/A   Clear
11:56 AM 77.0 °F - 57.0 °F 50% 30.02 in 10.0 mi WSW 6.9 mph - N/A   Clear
12:56 PM 79.0 °F - 55.9 °F 45% 30.00 in 10.0 mi SSW 8.1 mph - N/A   Clear
1:56 PM 81.0 °F 80.8 °F 55.9 °F 42% 29.96 in 10.0 mi SSW 5.8 mph - N/A   Clear
2:56 PM 82.0 °F 81.4 °F 55.0 °F 39% 29.94 in 10.0 mi SW 4.6 mph - N/A   Clear
3:56 PM 82.9 °F 82.0 °F 55.0 °F 38% 29.92 in 10.0 mi SSW 3.5 mph - N/A   Clear
4:56 PM 82.0 °F 81.7 °F 57.0 °F 42% 29.92 in 10.0 mi SSW 5.8 mph - N/A   Clear
5:56 PM 78.1 °F - 60.1 °F 54% 29.91 in 10.0 mi SSW 10.4 mph - N/A   Clear
6:56 PM 71.1 °F - 60.1 °F 68% 29.91 in 10.0 mi SSW 9.2 mph - N/A   Partly Cloudy
7:56 PM 66.9 °F - 60.1 °F 79% 29.92 in 10.0 mi South 4.6 mph - N/A   Clear
8:56 PM 63.0 °F - 60.1 °F 90% 29.93 in 10.0 mi SSW 6.9 mph - N/A   Clear
9:56 PM 64.9 °F - 63.0 °F 93% 29.92 in 10.0 mi South 3.5 mph - N/A   Clear
10:56 PM 64.0 °F - 63.0 °F 96% 29.92 in 10.0 mi South 4.6 mph - N/A   Clear
11:56 PM 64.0 °F - 64.0 °F 100% 29.91 in 10.0 mi South 3.5 mph - N/A   Clear