268  
CDUS42 KCHS 210703  
CLICXM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHARLESTON SC  
203 AM EST THU DEC 21 2023  
   
...............................
 
 
   
..THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR DECEMBER 20 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 51 300 PM 81 1931 60 -9 50  
MINIMUM 36 750 AM 25 2000 46 -10 41  
AVERAGE 44 53 -9 46  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.18 1922 0.09 -0.09 0.38  
MONTH TO DATE 4.18 1.94 2.24 0.87  
SINCE DEC 1 4.18 1.94 2.24 0.87  
SINCE JAN 1 46.22 43.29 2.93 38.47  
 
DEGREE DAYS  
HEATING  
YESTERDAY 21 12 9 19  
MONTH TO DATE 182 211 -29 168  
SINCE DEC 1 182 211 -29 168  
SINCE JUL 1 362 426 -64 321  
 
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 13 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 8.0  
   
......................................................
 
 
THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 75 1923  
MINIMUM TEMPERATURE (F) 46 22 1942  
 
SUNRISE AND SUNSET  
DECEMBER 21 2023......SUNRISE 718 AM EST SUNSET 518 PM EST  
DECEMBER 22 2023......SUNRISE 718 AM EST SUNSET 518 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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