848  
CDUS42 KCHS 092107  
CLICXM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHARLESTON SC  
507 PM EDT SAT AUG 09 2025  
   
...............................
 
 
   
..THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR AUGUST 9 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 81 1220 PM 96 1900 87 -6 88  
2011  
MINIMUM 75 420 AM 67 1989 77 -2 75  
AVERAGE 78 82 -4 82  
 
PRECIPITATION (IN)  
TODAY 0.65 1.68 1985 0.19 0.46 0.08  
MONTH TO DATE 1.82 1.68 0.14 8.71  
SINCE JUN 1 8.22 11.61 -3.39 18.38  
SINCE JAN 1 19.93 25.30 -5.37 38.73  
 
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 13 17 -4 17  
MONTH TO DATE 130 153 -23 151  
SINCE JUN 1 1233 1117 116 1214  
SINCE JAN 1 1748 1504 244 1698    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 13.9  
   
......................................................
 
 
THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 97 1906  
MINIMUM TEMPERATURE (F) 77 67 1989  
 
SUNRISE AND SUNSET  
AUGUST 9 2025........SUNRISE 639 AM EDT SUNSET 811 PM EDT  
AUGUST 10 2025........SUNRISE 640 AM EDT SUNSET 810 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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