285  
CDUS42 KCHS 100603  
CLICXM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHARLESTON SC  
203 AM EDT MON AUG 10 2026  
   
...............................  
 
   
..THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR AUGUST 9 2026  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1870 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 87 400 PM 96 1900 87 0 81  
2011  
MINIMUM 80 140 AM 67 1989 77 3 75  
AVERAGE 84 82 2 78  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.68 1985 0.19 -0.19 1.31  
MONTH TO DATE 1.60 1.68 -0.08 2.48  
SINCE JUN 1 8.33 11.61 -3.28 8.88  
SINCE JAN 1 14.99 25.30 -10.31 20.59  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 19 17 2 13  
MONTH TO DATE 157 153 4 130  
SINCE JUN 1 1250 1117 133 1233  
SINCE JAN 1 1734 1504 230 1748    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 6.3  
   
......................................................  
 
THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 97 1906  
MINIMUM TEMPERATURE (F) 77 67 1989  
 
SUNRISE AND SUNSET  
AUGUST 10 2026........SUNRISE 640 AM EDT SUNSET 810 PM EDT  
AUGUST 11 2026........SUNRISE 641 AM EDT SUNSET 809 PM EDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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