508  
CDUS42 KCHS 190712  
CLICXM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHARLESTON SC  
212 AM EST TUE DEC 19 2023  
   
...............................
 
 
   
..THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR DECEMBER 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 61 300 PM 78 1933 61 0 55  
2008  
MINIMUM 51 650 AM 24 1901 46 5 42  
AVERAGE 56 53 3 49  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 3.82 2009 0.10 -0.10 0.00  
MONTH TO DATE 4.18 1.75 2.43 0.49  
SINCE DEC 1 4.18 1.75 2.43 0.49  
SINCE JAN 1 46.22 43.10 3.12 38.09  
 
DEGREE DAYS  
HEATING  
YESTERDAY 9 12 -3 16  
MONTH TO DATE 142 187 -45 132  
SINCE DEC 1 142 187 -45 132  
SINCE JUL 1 322 402 -80 285  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 7 0 7 9  
SINCE DEC 1 7 0 7 9  
SINCE JAN 1 2512 2441 71 2596    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 9.3  
   
......................................................
 
 
THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 81 1967  
MINIMUM TEMPERATURE (F) 46 25 1963  
 
SUNRISE AND SUNSET  
DECEMBER 19 2023......SUNRISE 717 AM EST SUNSET 517 PM EST  
DECEMBER 20 2023......SUNRISE 717 AM EST SUNSET 517 PM EST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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