Weather History for Charleston, SC

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Wednesday, December 12, 2012

  Actual Average Record
Temperature  
Mean Temperature 53 °F 52 °F  
Max Temperature 60 °F 62 °F 79 °F (1971)
Min Temperature 45 °F 41 °F 14 °F (1962)
Degree Days  
Heating Degree Days 12 14  
Month to date heating degree days 44 150  
Since 1 July heating degree days 448 442  
Cooling Degree Days 0 0  
Month to date cooling degree days 4 0  
Year to date cooling degree days 2464 2297  
Growing Degree Days 3 (Base 50)    
Moisture  
Dew Point 51 °F    
Average Humidity 90    
Maximum Humidity 93    
Minimum Humidity 86    
Precipitation  
Precipitation 0.53 in 0.10 in 1.84 in (1986)
Month to date precipitation 0.56 1.11  
Year to date precipitation 40.97 49.03  
Snow  
Snow 0.00 in 0.10 in - ()
Month to date snowfall 0.0  
Since 1 July snowfall 0.0 0.1  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.14 in    
Wind  
Wind Speed 9 mph (NNE)    
Max Wind Speed 17 mph    
Max Gust Speed 23 mph    
Visibility 9 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 12, 2012 Rise Set
Actual Time 7:13 AM EST 5:14 PM EST
Civil Twilight 6:46 AM EST 5:41 PM EST
Nautical Twilight 6:15 AM EST 6:12 PM EST
Astronomical Twilight 5:45 AM EST 6:42 PM EST
Moon 6:17 AM EST (12/12) 4:49 PM EST (12/12)
Length of Visible Light 10h 55m
Length of Day
10h 00m
Waning Crescent, 1% of the Moon is Illuminated
Dec 12
Waning Crescent
Dec 13
New
Dec 20
First Quarter
Dec 28
Full
Jan 4
Last Quarter

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:02 AM 60.8 °F - 57.2 °F 88% 30.07 in 10.0 mi Calm Calm - N/A   Overcast
12:56 AM 60.1 °F - 57.0 °F 90% 30.08 in 10.0 mi NNW 5.8 mph - N/A   Overcast
1:56 AM 59.0 °F - 55.9 °F 90% 30.07 in 10.0 mi North 4.6 mph - N/A   Overcast
2:56 AM 59.0 °F - 55.9 °F 90% 30.09 in 10.0 mi NNW 5.8 mph - N/A   Overcast
3:56 AM 59.0 °F - 55.9 °F 90% 30.09 in 10.0 mi NNE 5.8 mph - N/A   Overcast
4:56 AM 57.0 °F - 55.0 °F 93% 30.09 in 10.0 mi NNE 6.9 mph - 0.02 in   Overcast
5:19 AM 55.4 °F - 55.4 °F 100% 30.09 in 10.0 mi NNE 4.6 mph - N/A   Overcast
5:56 AM 55.9 °F - 53.1 °F 90% 30.11 in 10.0 mi NNW 8.1 mph - N/A   Overcast
6:56 AM 55.0 °F - 53.1 °F 93% 30.12 in 10.0 mi North 5.8 mph - N/A   Overcast
7:56 AM 54.0 °F - 51.1 °F 90% 30.14 in 10.0 mi North 8.1 mph - 0.00 in Rain Light Rain
8:12 AM 53.6 °F - 51.8 °F 94% 30.14 in 10.0 mi NNE 10.4 mph - 0.00 in Rain Light Rain
8:56 AM 53.1 °F - 51.1 °F 93% 30.16 in 8.0 mi NNE 8.1 mph - 0.00 in Rain Light Rain
9:15 AM 53.6 °F - 51.8 °F 94% 30.15 in 3.0 mi NNE 9.2 mph - 0.02 in Rain Light Rain
9:56 AM 53.1 °F - 51.1 °F 93% 30.17 in 3.0 mi North 9.2 mph - 0.06 in Rain Rain
10:56 AM 54.0 °F - 53.1 °F 97% 30.16 in 10.0 mi NNE 9.2 mph - 0.03 in   Overcast
11:56 AM 55.0 °F - 53.1 °F 93% 30.15 in 10.0 mi NNE 9.2 mph - 0.04 in Rain Light Rain
12:56 PM 53.1 °F - 52.0 °F 96% 30.13 in 7.0 mi North 6.9 mph - 0.01 in Rain Light Rain
1:56 PM 52.0 °F - 50.0 °F 93% 30.14 in 4.0 mi North 11.5 mph - 0.01 in Rain Rain
2:56 PM 51.1 °F - 48.9 °F 92% 30.15 in 8.0 mi North 11.5 mph 19.6 mph 0.10 in Rain Light Rain
3:56 PM 50.0 °F - 48.0 °F 93% 30.16 in 10.0 mi NNE 13.8 mph 20.7 mph 0.01 in Rain Light Rain
4:56 PM 48.9 °F - 46.9 °F 93% 30.18 in 10.0 mi NNE 10.4 mph - 0.01 in Rain Light Rain
5:56 PM 48.0 °F - 46.0 °F 93% 30.18 in 10.0 mi NNE 11.5 mph - 0.03 in Rain Light Rain
6:56 PM 48.0 °F - 46.0 °F 93% 30.16 in 10.0 mi NNE 11.5 mph 18.4 mph 0.00 in   Overcast
7:56 PM 46.9 °F - 45.0 °F 93% 30.18 in 10.0 mi NNE 10.4 mph - 0.00 in Rain Light Rain
8:56 PM 46.0 °F 41.0 °F 45.0 °F 96% 30.20 in 7.0 mi NE 10.4 mph 19.6 mph 0.10 in Rain Light Rain
9:56 PM 46.0 °F 41.0 °F 44.1 °F 93% 30.17 in 10.0 mi ENE 10.4 mph - 0.03 in Rain Light Rain
10:56 PM 46.0 °F 41.0 °F 43.0 °F 89% 30.16 in 10.0 mi East 10.4 mph 20.7 mph 0.03 in Rain Light Rain
11:56 PM 45.0 °F 41.2 °F 44.1 °F 97% 30.18 in 10.0 mi North 6.9 mph - 0.05 in Rain Light Rain