305  
CDUS42 KCHS 130605  
CLICXM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHARLESTON SC  
205 AM EDT SUN SEP 13 2026  
   
...............................  
 
...THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR SEPTEMBER 12 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 86 130 PM 95 1920 83 3 82  
MINIMUM 77 1200 AM 58 1917 74 3 69  
AVERAGE 82 78 4 76  
 
PRECIPITATION (IN)  
YESTERDAY 0.12 3.06 1958 0.17 -0.05 0.00  
MONTH TO DATE 0.18 2.25 -2.07 0.94  
SINCE SEP 1 0.18 2.25 -2.07 0.94  
SINCE JAN 1 18.33 31.98 -13.65 34.83  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 17 13 4 11  
MONTH TO DATE 211 171 40 135  
SINCE SEP 1 211 171 40 135  
SINCE JAN 1 2375 2032 343 2230    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 6.9  
   
......................................................  
 
THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 95 1920  
MINIMUM TEMPERATURE (F) 73 60 1958  
1967  
 
SUNRISE AND SUNSET  
SEPTEMBER 13 2026.....SUNRISE 702 AM EDT SUNSET 728 PM EDT  
SEPTEMBER 14 2026.....SUNRISE 703 AM EDT SUNSET 727 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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