273  
CDUS42 KCHS 280602  
CLICXM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHARLESTON SC  
202 AM EDT THU SEP 28 2023  
   
...............................
 
 
...THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR SEPTEMBER 27 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 74 250 PM 94 1986 81 -7 79  
MINIMUM 67 1150 PM 51 1940 70 -3 69  
AVERAGE 71 75 -4 74  
 
PRECIPITATION (IN)  
YESTERDAY 0.06 2.57 1894 0.17 -0.11 0.00  
MONTH TO DATE 5.74 4.75 0.99 3.72  
SINCE SEP 1 5.74 4.75 0.99 3.72  
SINCE JAN 1 39.55 34.48 5.07 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 6 10 -4 9  
MONTH TO DATE 359 347 12 390  
SINCE SEP 1 359 347 12 390  
SINCE JAN 1 2315 2208 107 2407    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 15.2  
   
......................................................
 
 
THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 93 2017  
MINIMUM TEMPERATURE (F) 70 54 1947  
 
SUNRISE AND SUNSET  
SEPTEMBER 28 2023.....SUNRISE 712 AM EDT SUNSET 709 PM EDT  
SEPTEMBER 29 2023.....SUNRISE 712 AM EDT SUNSET 707 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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