662  
CDUS42 KCHS 200611  
CLICXM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHARLESTON SC  
211 AM EDT WED AUG 20 2025  
   
...............................  
 
   
..THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR AUGUST 19 2025  
 
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)  
YESTERDAY  
MAXIMUM 88 1200 PM 98 1895 86 2 87  
MINIMUM 78 530 AM 67 1976 76 2 75  
AVERAGE 83 81 2 81  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 5.39 1981 0.20 -0.20 0.00  
MONTH TO DATE 5.20 3.62 1.58 10.17  
SINCE JUN 1 11.60 13.55 -1.95 19.84  
SINCE JAN 1 23.31 27.24 -3.93 40.19  
 
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 16  
MONTH TO DATE 303 319 -16 327  
SINCE JUN 1 1406 1283 123 1390  
SINCE JAN 1 1921 1670 251 1874    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 19 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 9.8  
   
......................................................  
 
THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 99 1902  
MINIMUM TEMPERATURE (F) 76 66 1943  
 
SUNRISE AND SUNSET  
AUGUST 20 2025........SUNRISE 647 AM EDT SUNSET 759 PM EDT  
AUGUST 21 2025........SUNRISE 647 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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