317  
CDUS42 KCHS 230604  
CLICXM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHARLESTON SC  
204 AM EDT SAT SEP 23 2023  
   
...............................
 
 
...THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR SEPTEMBER 22 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 76 1240 PM 92 1925 82 -6 91  
MINIMUM 69 720 AM 53 1913 71 -2 74  
AVERAGE 73 76 -3 83  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.76 1952 0.15 -0.15 0.02  
MONTH TO DATE 5.63 3.91 1.72 3.72  
SINCE SEP 1 5.63 3.91 1.72 3.72  
SINCE JAN 1 39.44 33.64 5.80 30.81  
 
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 8 11 -3 18  
MONTH TO DATE 308 294 14 340  
SINCE SEP 1 308 294 14 340  
SINCE JAN 1 2264 2155 109 2357    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 16.9  
   
......................................................
 
 
THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 93 1980  
MINIMUM TEMPERATURE (F) 71 55 1983  
1999  
 
SUNRISE AND SUNSET  
SEPTEMBER 23 2023.....SUNRISE 708 AM EDT SUNSET 715 PM EDT  
SEPTEMBER 24 2023.....SUNRISE 709 AM EDT SUNSET 714 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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