867  
CDUS42 KCHS 120609  
CLICXM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHARLESTON SC  
209 AM EDT SAT AUG 12 2023  
   
...............................
 
 
   
..THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR AUGUST 11 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1870 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 91 120 PM 97 1954 87 4 87  
MINIMUM 79 220 PM 67 1989 77 2 73  
AVERAGE 85 82 3 80  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 7.66 1940 0.19 -0.19 0.12  
MONTH TO DATE 1.56 2.06 -0.50 2.23  
SINCE JUN 1 12.23 11.99 0.24 10.99  
SINCE JAN 1 29.03 25.68 3.35 19.61  
 
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 20 17 3 15  
MONTH TO DATE 195 187 8 208  
SINCE JUN 1 1156 1151 5 1229  
SINCE JAN 1 1570 1538 32 1709    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 4.6  
   
......................................................
 
 
THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 98 1998  
MINIMUM TEMPERATURE (F) 77 66 1967  
 
SUNRISE AND SUNSET  
AUGUST 12 2023........SUNRISE 641 AM EDT SUNSET 808 PM EDT  
AUGUST 13 2023........SUNRISE 642 AM EDT SUNSET 807 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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