621  
CDUS42 KCHS 110603  
CLICXM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHARLESTON SC  
203 AM EDT MON SEP 11 2023  
   
...............................
 
 
...THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR SEPTEMBER 10 2023...  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1870 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 86 410 PM 97 1985 84 2 86  
MINIMUM 75 940 PM 59 1956 74 1 76  
AVERAGE 81 79 2 81  
 
PRECIPITATION (IN)  
YESTERDAY 0.16 4.00 1912 0.18 -0.02 0.25  
MONTH TO DATE 0.44 1.89 -1.45 3.63  
SINCE SEP 1 0.44 1.89 -1.45 3.63  
SINCE JAN 1 34.25 31.62 2.63 30.72  
 
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 16 14 2 16  
MONTH TO DATE 161 144 17 163  
SINCE SEP 1 161 144 17 163  
SINCE JAN 1 2117 2005 112 2180    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 4.4  
   
......................................................
 
 
THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 98 1985  
MINIMUM TEMPERATURE (F) 74 59 1956  
 
SUNRISE AND SUNSET  
SEPTEMBER 11 2023.....SUNRISE 701 AM EDT SUNSET 732 PM EDT  
SEPTEMBER 12 2023.....SUNRISE 701 AM EDT SUNSET 730 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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