Weather History for Charleston, SC

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Wednesday, April 30, 2014

  Actual Average Record
Temperature  
Mean Temperature 75 °F 68 °F  
Max Temperature 81 °F 80 °F 91 °F (1981)
Min Temperature 69 °F 57 °F 41 °F (1939)
Degree Days  
Heating Degree Days 0 1  
Month to date heating degree days 38 88  
Since 1 July heating degree days 1875 1963  
Cooling Degree Days 10 5  
Month to date cooling degree days 139 84  
Year to date cooling degree days 158 118  
Growing Degree Days 25 (Base 50)    
Moisture  
Dew Point 69 °F    
Average Humidity 79    
Maximum Humidity 90    
Minimum Humidity 67    
Precipitation  
Precipitation 1.08 in 0.09 in 1.67 in (1996)
Month to date precipitation 5.98 2.91  
Year to date precipitation 15.76 13.29  
Sea Level Pressure  
Sea Level Pressure 30.01 in    
Wind  
Wind Speed 11 mph (South)    
Max Wind Speed 23 mph    
Max Gust Speed 29 mph    
Visibility 9 miles    
Events Rain , Thunderstorm    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Date:

Astronomy

Apr. 30, 2014 Rise Set
Actual Time 6:33 AM EDT 8:01 PM EDT
Civil Twilight 6:07 AM EDT 8:27 PM EDT
Nautical Twilight 5:36 AM EDT 8:59 PM EDT
Astronomical Twilight 5:03 AM EDT 9:32 PM EDT
Moon 7:35 AM EDT (4/30) 9:36 PM EDT (4/30)
Length of Visible Light 14h 20m
Length of Day
13h 27m
New Moon, 2% of the Moon is Illuminated
Apr 30
New Moon
May 6
First Quarter
May 14
Full
May 21
Last Quarter
May 28
New

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 77.0 °F - 72.0 °F 84% 30.00 in 10.0 mi South 11.5 mph - N/A   Mostly Cloudy
1:56 AM 77.0 °F - 72.0 °F 84% 30.00 in 9.0 mi South 10.4 mph - N/A   Mostly Cloudy
2:29 AM 75.2 °F - 71.6 °F 89% 30.00 in 9.0 mi South 8.1 mph - N/A   Mostly Cloudy
2:56 AM 75.0 °F - 71.1 °F 87% 30.00 in 8.0 mi South 4.6 mph - N/A   Mostly Cloudy
3:32 AM 75.2 °F - 71.6 °F 89% 29.99 in 9.0 mi South 9.2 mph - N/A   Mostly Cloudy
3:56 AM 75.0 °F - 71.1 °F 87% 29.99 in 9.0 mi South 10.4 mph - N/A   Mostly Cloudy
4:07 AM 75.2 °F - 69.8 °F 83% 29.99 in 10.0 mi South 11.5 mph - N/A   Mostly Cloudy
4:56 AM 75.0 °F - 68.0 °F 79% 30.00 in 10.0 mi South 10.4 mph - N/A   Mostly Cloudy
5:38 AM 73.4 °F - 68.0 °F 83% 30.01 in 10.0 mi South 9.2 mph - N/A   Mostly Cloudy
5:56 AM 73.9 °F - 66.9 °F 79% 30.00 in 10.0 mi South 10.4 mph - N/A   Mostly Cloudy
6:56 AM 73.9 °F - 66.9 °F 79% 30.01 in 10.0 mi South 9.2 mph - N/A   Mostly Cloudy
7:56 AM 75.0 °F - 69.1 °F 82% 30.03 in 10.0 mi South 11.5 mph - N/A   Mostly Cloudy
8:56 AM 78.1 °F - 70.0 °F 76% 30.03 in 10.0 mi South 9.2 mph - N/A   Mostly Cloudy
9:18 AM 78.8 °F - 71.6 °F 78% 30.03 in 10.0 mi South 10.4 mph - N/A Thunderstorm Thunderstorm
9:48 AM 80.6 °F 85.4 °F 73.4 °F 79% 30.03 in 10.0 mi SSW 16.1 mph 20.7 mph N/A   Overcast
9:56 AM 80.1 °F 83.8 °F 72.0 °F 76% 30.03 in 10.0 mi SSW 13.8 mph 23.0 mph N/A   Overcast
10:23 AM 78.8 °F - 71.6 °F 78% 30.02 in 3.0 mi SSW 13.8 mph 28.8 mph 0.04 in Rain Heavy Rain
10:38 AM 77.0 °F - 71.6 °F 83% 30.03 in 7.0 mi SSW 12.7 mph - 0.04 in Rain , Thunderstorm Light Thunderstorms and Rain
10:56 AM 77.0 °F - 72.0 °F 84% 30.03 in 7.0 mi SSW 12.7 mph - 0.05 in Rain , Thunderstorm Light Thunderstorms and Rain
11:21 AM 71.6 °F - 66.2 °F 83% 30.06 in 2.0 mi SSW 18.4 mph 25.3 mph 0.11 in Rain , Thunderstorm Heavy Thunderstorms and Rain
11:50 AM 69.8 °F - 66.2 °F 88% 30.07 in 4.0 mi SSW 10.4 mph - 0.56 in Rain , Thunderstorm Light Thunderstorms and Rain
11:56 AM 69.1 °F - 66.0 °F 90% 30.07 in 4.0 mi SSW 8.1 mph - 0.57 in Rain , Thunderstorm Light Thunderstorms and Rain
12:50 PM 71.6 °F - 66.2 °F 83% 30.05 in 9.0 mi SSW 11.5 mph - 0.20 in Rain , Thunderstorm Light Thunderstorms and Rain
12:56 PM 71.1 °F - 66.0 °F 84% 30.06 in 10.0 mi SSW 11.5 mph 19.6 mph 0.21 in Rain , Thunderstorm Light Thunderstorms and Rain
1:21 PM 71.6 °F - 66.2 °F 83% 30.08 in 2.0 mi West 9.2 mph - 0.00 in Rain , Thunderstorm Light Thunderstorms and Rain
1:49 PM 71.6 °F - 66.2 °F 83% 30.03 in 5.0 mi South 12.7 mph - 0.24 in Rain , Thunderstorm Light Thunderstorms and Rain
1:56 PM 71.1 °F - 66.0 °F 84% 30.02 in 7.0 mi South 13.8 mph - 0.25 in Rain , Thunderstorm Light Thunderstorms and Rain
2:14 PM 71.6 °F - 68.0 °F 88% 29.99 in 10.0 mi SSE 17.3 mph - 0.00 in   Mostly Cloudy
2:56 PM 75.9 °F - 70.0 °F 82% 29.97 in 10.0 mi South 19.6 mph - 0.00 in   Overcast
3:56 PM 79.0 °F - 69.1 °F 72% 29.91 in 10.0 mi South 20.7 mph 27.6 mph N/A   Overcast
4:56 PM 78.1 °F - 68.0 °F 71% 29.94 in 10.0 mi South 12.7 mph - N/A   Overcast
5:56 PM 79.0 °F - 66.0 °F 64% 29.95 in 10.0 mi SSW 15.0 mph 20.7 mph N/A   Overcast
6:56 PM 78.1 °F - 66.9 °F 68% 29.96 in 10.0 mi SSW 8.1 mph - N/A   Mostly Cloudy
7:56 PM 75.0 °F - 66.0 °F 73% 29.98 in 10.0 mi South 6.9 mph - N/A   Mostly Cloudy
8:56 PM 73.9 °F - 66.9 °F 79% 29.99 in 10.0 mi South 9.2 mph - N/A   Mostly Cloudy
9:56 PM 73.0 °F - 66.0 °F 79% 30.01 in 10.0 mi SSW 6.9 mph - N/A   Mostly Cloudy
10:56 PM 71.1 °F - 66.0 °F 84% 30.00 in 10.0 mi SSW 5.8 mph - N/A   Scattered Clouds
11:56 PM 69.1 °F - 64.9 °F 87% 29.99 in 10.0 mi SSW 6.9 mph - N/A   Scattered Clouds