439  
CDUS42 KCHS 300607  
CLICXM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHARLESTON SC  
207 AM EDT SAT SEP 30 2023  
   
...............................
 
 
...THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR SEPTEMBER 29 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 78 250 PM 90 1911 80 -2 69  
1998  
MINIMUM 67 740 AM 50 1942 69 -2 64  
AVERAGE 73 75 -2 67  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 3.96 1959 0.17 -0.17 0.14  
MONTH TO DATE 5.74 5.09 0.65 3.86  
SINCE SEP 1 5.74 5.09 0.65 3.86  
SINCE JAN 1 39.55 34.82 4.73 30.95  
 
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 10 -2 2  
MONTH TO DATE 372 367 5 396  
SINCE SEP 1 372 367 5 396  
SINCE JAN 1 2328 2228 100 2413    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 8.5  
   
......................................................
 
 
THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 94 1904  
MINIMUM TEMPERATURE (F) 69 50 1967  
 
SUNRISE AND SUNSET  
SEPTEMBER 30 2023.....SUNRISE 713 AM EDT SUNSET 706 PM EDT  
OCTOBER 1 2023.......SUNRISE 714 AM EDT SUNSET 705 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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