768  
CDUS42 KCHS 190603  
CLICXM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHARLESTON SC  
203 AM EDT TUE SEP 19 2023  
   
...............................
 
 
...THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR SEPTEMBER 18 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 83 340 PM 98 1931 82 1 82  
MINIMUM 70 700 AM 60 1910 72 -2 75  
1984  
AVERAGE 77 77 0 79  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 6.72 1928 0.17 -0.17 0.05  
MONTH TO DATE 4.44 3.27 1.17 3.68  
SINCE SEP 1 4.44 3.27 1.17 3.68  
SINCE JAN 1 38.25 33.00 5.25 30.77  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 12 12 0 14  
MONTH TO DATE 267 247 20 277  
SINCE SEP 1 267 247 20 277  
SINCE JAN 1 2223 2108 115 2294    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 11 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 5.4  
   
......................................................
 
 
THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 96 1942  
MINIMUM TEMPERATURE (F) 72 57 1981  
 
SUNRISE AND SUNSET  
SEPTEMBER 19 2023.....SUNRISE 706 AM EDT SUNSET 721 PM EDT  
SEPTEMBER 20 2023.....SUNRISE 706 AM EDT SUNSET 719 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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