661  
CDUS42 KCHS 200611  
CLICHS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHARLESTON SC  
211 AM EDT WED AUG 20 2025  
   
...............................  
 
   
..THE NORTH CHARLESTON SC CLIMATE SUMMARY FOR AUGUST 19 2025  
 
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)  
YESTERDAY  
MAXIMUM 91 325 PM 98 1983 90 1 92  
MINIMUM 74 557 AM 61 1965 73 1 73  
AVERAGE 83 81 2 83  
 
PRECIPITATION (IN)  
YESTERDAY T 3.94 1981 0.23 -0.23 T  
MONTH TO DATE 6.04 4.24 1.80 12.84  
SINCE JUN 1 15.87 17.05 -1.18 25.11  
SINCE JAN 1 29.32 33.43 -4.11 44.30  
 
DEGREE DAYS  
HEATING  
YESTERDAY 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  
YESTERDAY 18 16 2 18  
MONTH TO DATE 302 322 -20 336  
SINCE JUN 1 1433 1298 135 1464  
SINCE JAN 1 1977 1705 272 2052    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 6.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 300 AM  
LOWEST 54 100 PM  
AVERAGE 76  
   
......................................................  
 
THE NORTH CHARLESTON SC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 90 97 1954  
1979  
2005  
MINIMUM TEMPERATURE (F) 73 63 1943  
 
SUNRISE AND SUNSET  
AUGUST 20 2025........SUNRISE 647 AM EDT SUNSET 759 PM EDT  
AUGUST 21 2025........SUNRISE 648 AM EDT SUNSET 758 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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