079  
CDUS42 KCHS 292110  
CLICXM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHARLESTON SC  
510 PM EDT MON SEP 29 2025  
   
...............................  
 
...THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR SEPTEMBER 29 2025...  
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1870 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 76 1000 AM 90 1911 80 -4 84  
1998  
MINIMUM 73 410 AM 50 1942 69 4 74  
AVERAGE 75 75 0 79  
 
PRECIPITATION (IN)  
TODAY 0.08 3.96 1959 0.17 -0.09 0.00  
MONTH TO DATE 1.04 5.09 -4.05 4.47  
SINCE SEP 1 1.04 5.09 -4.05 4.47  
SINCE JAN 1 34.93 34.82 0.11 45.37  
 
DEGREE DAYS  
HEATING  
TODAY 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  
TODAY 10 10 0 14  
MONTH TO DATE 345 367 -22 369  
SINCE SEP 1 345 367 -22 369  
SINCE JAN 1 2440 2228 212 2425    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 14.9  
   
......................................................  
 
THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 94 1904  
MINIMUM TEMPERATURE (F) 69 50 1967  
 
SUNRISE AND SUNSET  
SEPTEMBER 29 2025.....SUNRISE 713 AM EDT SUNSET 707 PM EDT  
SEPTEMBER 30 2025.....SUNRISE 713 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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