483  
CDUS42 KCHS 200624  
CLICXM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHARLESTON SC  
224 AM EDT WED SEP 20 2023  
   
...............................
 
 
...THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR SEPTEMBER 19 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 83 110 PM 96 1942 82 1 84  
MINIMUM 70 430 AM 57 1981 72 -2 73  
AVERAGE 77 77 0 79  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.34 1982 0.17 -0.17 0.02  
MONTH TO DATE 4.44 3.44 1.00 3.70  
SINCE SEP 1 4.44 3.44 1.00 3.70  
SINCE JAN 1 38.25 33.17 5.08 30.79  
 
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 279 259 20 291  
SINCE SEP 1 279 259 20 291  
SINCE JAN 1 2235 2120 115 2308    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 6.4  
   
......................................................
 
 
THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 97 1942  
MINIMUM TEMPERATURE (F) 72 54 1929  
 
SUNRISE AND SUNSET  
SEPTEMBER 20 2023.....SUNRISE 706 AM EDT SUNSET 719 PM EDT  
SEPTEMBER 21 2023.....SUNRISE 707 AM EDT SUNSET 718 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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