303  
CDUS42 KCHS 212114  
CLICHS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHARLESTON SC  
514 PM EDT THU AUG 21 2025  
   
...............................  
 
   
..THE NORTH CHARLESTON SC CLIMATE SUMMARY FOR AUGUST 21 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 100 1983 89 0 86  
MINIMUM 73 647 AM 62 1961 73 0 70  
AVERAGE 81 81 0 78  
 
PRECIPITATION (IN)  
TODAY 0.00 2.25 1988 0.22 -0.22 0.00  
MONTH TO DATE 6.04 4.68 1.36 12.84  
SINCE JUN 1 15.87 17.49 -1.62 25.11  
SINCE JAN 1 29.32 33.87 -4.55 44.30  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 16 16 0 13  
MONTH TO DATE 334 354 -20 366  
SINCE JUN 1 1465 1330 135 1494  
SINCE JAN 1 2009 1737 272 2082    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 5.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94 600 AM  
LOWEST 61 1100 AM  
AVERAGE 78  
   
......................................................  
 
THE NORTH CHARLESTON SC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 100 1983  
MINIMUM TEMPERATURE (F) 73 63 1953  
 
SUNRISE AND SUNSET  
AUGUST 21 2025........SUNRISE 648 AM EDT SUNSET 758 PM EDT  
AUGUST 22 2025........SUNRISE 648 AM EDT SUNSET 757 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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