391  
CDUS42 KCHS 180601  
CLICXM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHARLESTON SC  
201 AM EDT WED JUN 18 2025  
   
...............................
 
 
   
..THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR JUNE 17 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 89 1210 PM 100 1921 85 4 84  
MINIMUM 80 310 AM 60 1961 75 5 80  
AVERAGE 85 80 5 82  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.79 1982 0.18 -0.18 0.00  
MONTH TO DATE 1.82 2.66 -0.84 1.12  
SINCE JUN 1 1.82 2.66 -0.84 1.12  
SINCE JAN 1 13.53 16.35 -2.82 21.47  
 
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 1512 1625 -113 1291  
 
COOLING  
YESTERDAY 20 15 5 17  
MONTH TO DATE 257 224 33 254  
SINCE JUN 1 257 224 33 254  
SINCE JAN 1 772 611 161 738    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 10.1  
   
......................................................
 
 
THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 100 1921  
MINIMUM TEMPERATURE (F) 75 60 1899  
 
SUNRISE AND SUNSET  
JUNE 18 2025..........SUNRISE 612 AM EDT SUNSET 830 PM EDT  
JUNE 19 2025..........SUNRISE 612 AM EDT SUNSET 831 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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