969  
CDUS42 KCHS 302109  
CLICXM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHARLESTON SC  
509 PM EDT SAT SEP 30 2023  
   
...............................
 
 
...THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR SEPTEMBER 30 2023...  
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 78 130 PM 94 1904 80 -2 65  
MINIMUM 67 630 AM 50 1967 69 -2 60  
AVERAGE 73 74 -1 63  
 
PRECIPITATION (IN)  
TODAY 0.00 3.96 2022 0.16 -0.16 3.96  
MONTH TO DATE 5.74 5.25 0.49 7.82  
SINCE SEP 1 5.74 5.25 0.49 7.82  
SINCE JAN 1 39.55 34.98 4.57 34.91  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 2  
MONTH TO DATE 0 0 0 2  
SINCE SEP 1 0 0 0 2  
SINCE JUL 1 0 0 0 2  
 
COOLING  
TODAY 8 10 -2 0  
MONTH TO DATE 380 377 3 396  
SINCE SEP 1 380 377 3 396  
SINCE JAN 1 2336 2238 98 2413    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 10.2  
   
......................................................
 
 
THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 90 1959  
MINIMUM TEMPERATURE (F) 69 48 1920  
 
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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