617  
CDUS42 KCHS 182115  
CLICHS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHARLESTON SC  
515 PM EDT THU SEP 18 2025  
   
...............................  
 
   
..THE NORTH CHARLESTON SC CLIMATE SUMMARY FOR SEPTEMBER 18 2025  
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1937 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 89 354 PM 96 1942 85 4 87  
MINIMUM 66 610 AM 55 2001 68 -2 68  
AVERAGE 78 76 2 78  
 
PRECIPITATION (IN)  
TODAY 0.00 1.31 2000 0.19 -0.19 0.00  
MONTH TO DATE 0.86 3.69 -2.83 1.28  
SINCE SEP 1 0.86 3.69 -2.83 1.28  
SINCE JAN 1 35.82 39.85 -4.03 45.58  
 
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 13 12 1 13  
MONTH TO DATE 178 239 -61 198  
SINCE SEP 1 178 239 -61 198  
SINCE JAN 1 2311 2132 179 2433    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 3.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 700 AM  
LOWEST 43 400 PM  
AVERAGE 70  
   
......................................................  
 
THE NORTH CHARLESTON SC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 98 1942  
MINIMUM TEMPERATURE (F) 68 51 1981  
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2025.....SUNRISE 706 AM EDT SUNSET 722 PM EDT  
SEPTEMBER 19 2025.....SUNRISE 707 AM EDT SUNSET 720 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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