Weather History for Charleston, SC

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Sunday, August 18, 2013

  Actual Average Record
Temperature  
Mean Temperature 81 °F 81 °F  
Max Temperature 90 °F 89 °F 101 °F (1995)
Min Temperature 72 °F 72 °F 56 °F (1979)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 0 0  
Since 1 June heating degree days 0 1  
Since 1 July heating degree days 0 0  
Cooling Degree Days 16 16  
Month to date cooling degree days 305 297  
Year to date cooling degree days 1645 1609  
Since 1 June cooling degree days 1298 1247  
Growing Degree Days 31 (Base 50)    
Moisture  
Dew Point 72 °F    
Average Humidity 75    
Maximum Humidity 93    
Minimum Humidity 56    
Precipitation  
Precipitation 0.13 in 0.23 in 4.08 in (1943)
Month to date precipitation 3.01 3.94  
Year to date precipitation 45.12 32.43  
Sea Level Pressure  
Sea Level Pressure 30.15 in    
Wind  
Wind Speed 4 mph (ESE)    
Max Wind Speed 13 mph    
Max Gust Speed 16 mph    
Visibility 9 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Aug. 18, 2013 Rise Set
Actual Time 6:45 AM EDT 8:01 PM EDT
Civil Twilight 6:19 AM EDT 8:27 PM EDT
Nautical Twilight 5:48 AM EDT 8:58 PM EDT
Astronomical Twilight 5:16 AM EDT 9:30 PM EDT
Moon 6:03 PM EDT (8/18) 3:57 AM EDT (8/18)
Length of Visible Light 14h 07m
Length of Day
13h 16m
Waxing Gibbous, 92% of the Moon is Illuminated
Aug 18
Waxing Gibbous
Aug 20
Full
Aug 28
Last Quarter
Sep 5
New
Sep 12
First Quarter

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 73.0 °F - 69.1 °F 87% 30.16 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
1:56 AM 73.0 °F - 70.0 °F 90% 30.15 in 9.0 mi Calm Calm - 0.00 in Rain Light Rain
2:56 AM 73.0 °F - 70.0 °F 90% 30.14 in 7.0 mi Calm Calm - 0.00 in Rain Light Rain
3:56 AM 73.9 °F - 71.1 °F 91% 30.13 in 7.0 mi South 5.8 mph - 0.12 in Rain Light Rain
4:56 AM 73.0 °F - 71.1 °F 93% 30.12 in 10.0 mi SSW 4.6 mph - 0.01 in   Mostly Cloudy
5:56 AM 73.0 °F - 70.0 °F 90% 30.13 in 9.0 mi Calm Calm - N/A   Mostly Cloudy
6:56 AM 72.0 °F - 70.0 °F 93% 30.15 in 7.0 mi Calm Calm - N/A   Mostly Cloudy
7:56 AM 73.9 °F - 72.0 °F 93% 30.15 in 7.0 mi NNE 3.5 mph - N/A   Scattered Clouds
8:56 AM 77.0 °F - 73.0 °F 88% 30.17 in 10.0 mi NE 3.5 mph - N/A   Scattered Clouds
9:56 AM 80.1 °F 84.2 °F 73.0 °F 79% 30.18 in 10.0 mi North 3.5 mph - N/A   Mostly Cloudy
10:56 AM 82.0 °F 87.4 °F 73.0 °F 74% 30.20 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
11:56 AM 84.0 °F 90.2 °F 73.0 °F 69% 30.19 in 10.0 mi North 3.5 mph - N/A   Mostly Cloudy
12:56 PM 87.1 °F 93.6 °F 72.0 °F 61% 30.18 in 10.0 mi Calm Calm - N/A   Scattered Clouds
1:56 PM 89.1 °F 95.0 °F 71.1 °F 55% 30.16 in 10.0 mi SSE 5.8 mph - N/A   Mostly Cloudy
2:56 PM 88.0 °F 94.7 °F 72.0 °F 59% 30.14 in 10.0 mi East 8.1 mph - N/A   Scattered Clouds
3:56 PM 89.1 °F 95.0 °F 71.1 °F 55% 30.13 in 10.0 mi SE 9.2 mph - N/A   Scattered Clouds
4:56 PM 88.0 °F 93.8 °F 71.1 °F 57% 30.12 in 10.0 mi SSE 10.4 mph - N/A   Scattered Clouds
5:56 PM 86.0 °F 91.5 °F 71.1 °F 61% 30.12 in 10.0 mi ESE 8.1 mph - N/A   Scattered Clouds
6:56 PM 84.9 °F 90.7 °F 72.0 °F 65% 30.12 in 10.0 mi East 8.1 mph - N/A   Mostly Cloudy
7:56 PM 82.0 °F 86.7 °F 72.0 °F 71% 30.14 in 10.0 mi ESE 8.1 mph - N/A   Mostly Cloudy
8:56 PM 81.0 °F 86.7 °F 75.0 °F 82% 30.14 in 10.0 mi East 5.8 mph - N/A   Mostly Cloudy
9:56 PM 81.0 °F 87.3 °F 75.9 °F 85% 30.17 in 10.0 mi ESE 5.8 mph - N/A   Mostly Cloudy
10:56 PM 78.1 °F - 73.0 °F 84% 30.16 in 10.0 mi Calm Calm - 0.00 in   Scattered Clouds
11:56 PM 78.1 °F - 72.0 °F 81% 30.16 in 10.0 mi Calm Calm - N/A   Mostly Cloudy