Weather History for Charleston, WV

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Thursday, September 20, 2012

  Actual Average Record
Temperature  
Mean Temperature 60 °F 66 °F  
Max Temperature 78 °F 76 °F 97 °F (1925)
Min Temperature 42 °F 55 °F 36 °F (1937)
Degree Days  
Heating Degree Days 5 2  
Month to date heating degree days 16 18  
Since 1 July heating degree days 16 20  
Cooling Degree Days 0 3  
Month to date cooling degree days 123 102  
Year to date cooling degree days 1316 1048  
Growing Degree Days 10 (Base 50)    
Moisture  
Dew Point 48 °F    
Average Humidity 68    
Maximum Humidity 100    
Minimum Humidity 35    
Precipitation  
Precipitation 0.00 in 0.11 in 1.25 in (1954)
Month to date precipitation 3.69 2.21  
Year to date precipitation 30.00 33.32  
Snow  
Snow 0.00 in - - ()
Month to date snowfall 0.0  
Since 1 September snowfall 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.06 in    
Wind  
Wind Speed 3 mph (SW)    
Max Wind Speed 15 mph    
Max Gust Speed 20 mph    
Visibility 8 miles    
Events Fog    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Sep. 20, 2012 Rise Set
Actual Time 7:12 AM EDT 7:25 PM EDT
Civil Twilight 6:46 AM EDT 7:52 PM EDT
Nautical Twilight 6:15 AM EDT 8:23 PM EDT
Astronomical Twilight 5:43 AM EDT 8:54 PM EDT
Moon 12:24 PM EDT (9/20) 10:31 PM EDT (9/20)
Length of Visible Light 13h 05m
Length of Day
12h 13m
Waxing Crescent, 26% of the Moon is Illuminated
Sep 20
Waxing Crescent
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter
Oct 15
New

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 46.0 °F 44.1 °F 93% 30.12 in 10.0 mi Calm Calm - N/A   Clear
1:06 AM 46.4 °F 44.6 °F 93% 30.12 in 8.0 mi Calm Calm - N/A   Partly Cloudy
1:54 AM 45.0 °F 43.0 °F 93% 30.12 in 8.0 mi Calm Calm - N/A   Partly Cloudy
2:54 AM 45.0 °F 43.0 °F 93% 30.11 in 6.0 mi Calm Calm - N/A   Partly Cloudy
3:54 AM 44.1 °F 42.1 °F 93% 30.10 in 6.0 mi Calm Calm - N/A   Partly Cloudy
4:54 AM 44.1 °F 42.1 °F 93% 30.09 in 6.0 mi Calm Calm - N/A   Partly Cloudy
5:22 AM 44.6 °F 42.8 °F 93% 30.10 in 0.5 mi Calm Calm - N/A Fog Fog
5:54 AM 44.1 °F 43.0 °F 96% 30.10 in 0.5 mi Calm Calm - N/A Fog Fog
6:54 AM 43.0 °F 42.1 °F 97% 30.11 in 0.5 mi Calm Calm - N/A Fog Fog
7:02 AM 42.8 °F 41.0 °F 93% 30.11 in 6.0 mi Calm Calm - N/A   Scattered Clouds
7:54 AM 44.1 °F 43.0 °F 96% 30.12 in 6.0 mi Calm Calm - N/A   Scattered Clouds
8:54 AM 48.0 °F 46.9 °F 96% 30.12 in 10.0 mi Calm Calm - N/A   Clear
9:54 AM 54.0 °F 50.0 °F 86% 30.11 in 10.0 mi Calm Calm - N/A   Clear
10:54 AM 68.0 °F 52.0 °F 56% 30.09 in 10.0 mi South 5.8 mph - N/A   Clear
11:54 AM 71.1 °F 50.0 °F 47% 30.07 in 10.0 mi WSW 10.4 mph - N/A   Clear
12:54 PM 73.0 °F 50.0 °F 44% 30.06 in 10.0 mi West 8.1 mph 16.1 mph N/A   Partly Cloudy
1:54 PM 75.0 °F 46.9 °F 37% 30.05 in 10.0 mi SW 12.7 mph - N/A   Partly Cloudy
2:54 PM 75.9 °F 48.9 °F 38% 30.01 in 10.0 mi West 6.9 mph 16.1 mph N/A   Partly Cloudy
3:54 PM 78.1 °F 48.9 °F 36% 30.01 in 10.0 mi SW 9.2 mph - N/A   Partly Cloudy
4:54 PM 77.0 °F 50.0 °F 39% 29.99 in 10.0 mi SW 8.1 mph - N/A   Clear
5:54 PM 77.0 °F 51.1 °F 40% 29.98 in 10.0 mi SSW 9.2 mph - N/A   Clear
6:54 PM 73.9 °F 52.0 °F 46% 29.98 in 10.0 mi South 6.9 mph - N/A   Clear
7:54 PM 66.0 °F 55.0 °F 68% 29.99 in 10.0 mi South 3.5 mph - 0.01 in   Clear
8:54 PM 64.9 °F 55.0 °F 70% 30.00 in 10.0 mi Calm Calm - N/A   Clear
9:54 PM 63.0 °F 55.9 °F 78% 30.01 in 10.0 mi Calm Calm - N/A   Clear
10:54 PM 60.1 °F 55.9 °F 86% 30.01 in 10.0 mi Calm Calm - N/A   Clear
11:54 PM 57.9 °F 55.0 °F 90% 30.00 in 9.0 mi Calm Calm - 0.01 in   Clear