Weather History for Charleston, SC

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Friday, October 21, 2011

  Actual Average Record
Temperature  
Mean Temperature 55 °F 65 °F  
Max Temperature 68 °F 76 °F 88 °F (1993)
Min Temperature 42 °F 55 °F 37 °F (1952)
Degree Days  
Heating Degree Days 10 3  
Month to date heating degree days 37 31  
Since 1 July heating degree days 37 34  
Cooling Degree Days 0 3  
Month to date cooling degree days 72 102  
Year to date cooling degree days 2659 2240  
Growing Degree Days 6 (Base 50)    
Moisture  
Dew Point 42 °F    
Average Humidity 63    
Maximum Humidity 93    
Minimum Humidity 32    
Precipitation  
Precipitation 0.00 in 0.11 in 2.05 in (1959)
Month to date precipitation 1.90 2.80  
Year to date precipitation 34.95 44.54  
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 30.08 in    
Wind  
Wind Speed 5 mph (West)    
Max Wind Speed 14 mph    
Max Gust Speed 17 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Oct. 21, 2011 Rise Set
Actual Time 7:28 AM EDT 6:40 PM EDT
Civil Twilight 7:03 AM EDT 7:05 PM EDT
Nautical Twilight 6:34 AM EDT 7:34 PM EDT
Astronomical Twilight 6:06 AM EDT 8:02 PM EDT
Moon 1:36 AM EDT (10/21) 3:06 PM EDT (10/21)
Length of Visible Light 12h 01m
Length of Day
11h 11m
Waning Crescent, 34% of the Moon is Illuminated
Oct 21
Waning Crescent
Oct 26
New
Nov 2
First Quarter
Nov 10
Full
Nov 18
Last Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 50.0 °F - 44.1 °F 80% 30.05 in 10.0 mi WNW 5.8 mph - N/A   Clear
1:56 AM 48.0 °F - 43.0 °F 83% 30.06 in 10.0 mi West 4.6 mph - N/A   Clear
2:56 AM 46.0 °F 43.9 °F 44.1 °F 93% 30.06 in 10.0 mi WSW 4.6 mph - N/A   Clear
3:56 AM 45.0 °F 42.6 °F 43.0 °F 93% 30.06 in 10.0 mi WSW 4.6 mph - N/A   Clear
4:56 AM 45.0 °F 43.5 °F 42.1 °F 90% 30.06 in 10.0 mi WSW 3.5 mph - N/A   Clear
5:56 AM 46.0 °F 43.9 °F 41.0 °F 83% 30.08 in 10.0 mi WSW 4.6 mph - N/A   Clear
6:56 AM 46.0 °F 43.1 °F 41.0 °F 83% 30.10 in 10.0 mi WSW 5.8 mph - N/A   Clear
7:56 AM 46.9 °F - 41.0 °F 80% 30.11 in 10.0 mi West 8.1 mph - N/A   Clear
8:56 AM 50.0 °F - 41.0 °F 71% 30.13 in 10.0 mi West 8.1 mph - N/A   Clear
9:56 AM 54.0 °F - 42.1 °F 64% 30.13 in 10.0 mi West 6.9 mph - N/A   Clear
10:56 AM 57.9 °F - 42.1 °F 56% 30.12 in 10.0 mi WNW 5.8 mph - N/A   Clear
11:56 AM 62.1 °F - 41.0 °F 46% 30.11 in 10.0 mi NW 9.2 mph - N/A   Clear
12:56 PM 64.0 °F - 41.0 °F 43% 30.08 in 10.0 mi West 9.2 mph - N/A   Clear
1:56 PM 66.0 °F - 39.0 °F 37% 30.05 in 10.0 mi West 4.6 mph - N/A   Clear
2:56 PM 66.0 °F - 37.0 °F 34% 30.04 in 10.0 mi Variable 4.6 mph - N/A   Clear
3:56 PM 68.0 °F - 37.9 °F 33% 30.03 in 10.0 mi WNW 6.9 mph - N/A   Clear
4:56 PM 66.9 °F - 37.9 °F 34% 30.04 in 10.0 mi WNW 8.1 mph - N/A   Clear
5:56 PM 64.9 °F - 37.9 °F 37% 30.05 in 10.0 mi WNW 6.9 mph - N/A   Clear
6:56 PM 60.1 °F - 39.9 °F 47% 30.07 in 10.0 mi West 4.6 mph - N/A   Clear
7:56 PM 54.0 °F - 43.0 °F 66% 30.08 in 10.0 mi WNW 3.5 mph - N/A   Clear
8:56 PM 52.0 °F - 44.1 °F 74% 30.09 in 10.0 mi Calm Calm - N/A   Clear
9:56 PM 50.0 °F - 44.1 °F 80% 30.10 in 10.0 mi Calm Calm - N/A   Clear
10:56 PM 50.0 °F - 45.0 °F 83% 30.10 in 10.0 mi Calm Calm - N/A   Clear
11:56 PM 50.0 °F - 45.0 °F 83% 30.09 in 10.0 mi West 3.5 mph - N/A   Clear