825  
CDUS42 KCHS 220602  
CLICXM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHARLESTON SC  
202 AM EDT SAT AUG 22 2026  
   
...............................
 
 
   
..THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR AUGUST 21 2026
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1870 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 90 1140 AM 99 1900 86 4 90  
MINIMUM 79 1030 PM 66 1930 76 3 76  
1961  
AVERAGE 85 81 4 83  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.56 1941 0.19 -0.19 0.00  
MONTH TO DATE 2.07 4.01 -1.94 5.20  
SINCE JUN 1 8.80 13.94 -5.14 11.60  
SINCE JAN 1 15.46 27.63 -12.17 23.31  
 
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 20 16 4 18  
MONTH TO DATE 415 351 64 337  
SINCE JUN 1 1508 1315 193 1440  
SINCE JAN 1 1992 1702 290 1955    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 8.4  
   
......................................................
 
 
THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 98 1983  
MINIMUM TEMPERATURE (F) 76 65 1930  
 
SUNRISE AND SUNSET  
AUGUST 22 2026........SUNRISE 648 AM EDT SUNSET 757 PM EDT  
AUGUST 23 2026........SUNRISE 649 AM EDT SUNSET 756 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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