Weather History for Charleston, SC

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Monday, June 18, 2007

  Actual Average Record
Temperature  
Mean Temperature 81 °F 80 °F  
Max Temperature 92 °F 89 °F 100 °F (1944)
Min Temperature 70 °F 70 °F 57 °F (1974)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 0  
Since 1 June heating degree days 0  
Since 1 July heating degree days 1975  
Cooling Degree Days 16 15  
Month to date cooling degree days 233 235  
Year to date cooling degree days 571 597  
Since 1 June cooling degree days 235  
Growing Degree Days 32 (Base 50)    
Moisture  
Dew Point 70 °F    
Average Humidity 71    
Maximum Humidity 93    
Minimum Humidity 49    
Precipitation  
Precipitation 0.00 in 0.20 in 3.68 in (1982)
Month to date precipitation 3.92 3.14  
Year to date precipitation 12.82 19.45  
Sea Level Pressure  
Sea Level Pressure 30.08 in    
Wind  
Wind Speed 7 mph (SSW)    
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

Jun. 18, 2007 Rise Set
Actual Time 6:11 AM EDT 8:30 PM EDT
Civil Twilight 5:42 AM EDT 8:59 PM EDT
Nautical Twilight 5:07 AM EDT 9:34 PM EDT
Astronomical Twilight 4:29 AM EDT 10:13 PM EDT
Moon 9:39 AM EDT 11:44 PM EDT
Length of Visible Light 15h 16m
Length of Day
14h 19m
Waxing Crescent, 15% of the Moon is Illuminated
Jun 18
Waxing Crescent
Jun 22
First Quarter
Jun 30
Full
Jul 7
Last Quarter
Jul 14
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 75.0 °F - 71.1 °F 87% 30.09 in 10.0 mi SSW 8.1 mph - N/A   Scattered Clouds
1:56 AM 73.9 °F - 70.0 °F 87% 30.09 in 10.0 mi SSW 5.8 mph - N/A   Clear
2:56 AM 73.9 °F - 70.0 °F 87% 30.08 in 10.0 mi SE 3.5 mph - N/A   Clear
3:56 AM 73.0 °F - 70.0 °F 90% 30.08 in 10.0 mi South 3.5 mph - N/A   Clear
4:56 AM 72.0 °F - 69.1 °F 91% 30.07 in 7.0 mi Calm Calm - N/A   Clear
5:56 AM 73.0 °F - 70.0 °F 90% 30.08 in 9.0 mi SW 4.6 mph - N/A   Clear
6:56 AM 73.0 °F - 69.1 °F 87% 30.09 in 10.0 mi SW 4.6 mph - N/A   Partly Cloudy
7:56 AM 75.0 °F - 70.0 °F 84% 30.09 in 10.0 mi SW 4.6 mph - N/A   Clear
8:56 AM 80.1 °F 82.7 °F 68.0 °F 67% 30.10 in 10.0 mi SW 9.2 mph - N/A   Clear
9:56 AM 82.9 °F 85.8 °F 68.0 °F 60% 30.10 in 10.0 mi WSW 9.2 mph - N/A   Partly Cloudy
10:56 AM 86.0 °F 89.4 °F 68.0 °F 55% 30.11 in 10.0 mi WSW 6.9 mph - N/A   Partly Cloudy
11:56 AM 86.0 °F 90.1 °F 69.1 °F 57% 30.11 in 10.0 mi Variable 4.6 mph - N/A   Scattered Clouds
12:56 PM 88.0 °F 92.1 °F 69.1 °F 53% 30.10 in 10.0 mi Variable 5.8 mph - N/A   Scattered Clouds
1:56 PM 90.0 °F 95.4 °F 70.0 °F 52% 30.09 in 10.0 mi Variable 5.8 mph - N/A   Scattered Clouds
2:56 PM 91.0 °F 96.6 °F 70.0 °F 50% 30.07 in 10.0 mi Variable 3.5 mph - N/A   Mostly Cloudy
3:56 PM 91.0 °F 99.3 °F 73.0 °F 55% 30.05 in 10.0 mi South 11.5 mph - N/A   Mostly Cloudy
4:56 PM 90.0 °F 99.0 °F 73.9 °F 59% 30.04 in 10.0 mi South 13.8 mph 17.3 mph N/A   Partly Cloudy
5:56 PM 89.1 °F 97.0 °F 73.0 °F 59% 30.03 in 10.0 mi South 11.5 mph - N/A   Partly Cloudy
6:56 PM 86.0 °F 92.2 °F 72.0 °F 63% 30.03 in 10.0 mi South 11.5 mph - N/A   Partly Cloudy
7:56 PM 82.0 °F 86.3 °F 71.1 °F 69% 30.05 in 10.0 mi South 9.2 mph - N/A   Partly Cloudy
8:56 PM 79.0 °F - 73.0 °F 82% 30.07 in 10.0 mi South 10.4 mph - N/A   Clear
9:56 PM 78.1 °F - 73.0 °F 84% 30.09 in 10.0 mi SSW 10.4 mph - N/A   Clear
10:56 PM 78.1 °F - 71.1 °F 79% 30.10 in 10.0 mi South 8.1 mph - N/A   Partly Cloudy
11:56 PM 79.0 °F - 69.1 °F 72% 30.09 in 10.0 mi SW 6.9 mph - N/A   Mostly Cloudy