514  
CDUS42 KCHS 100602  
CLICXM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHARLESTON SC  
202 AM EDT SUN SEP 10 2023  
   
...............................
 
 
   
..THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR SEPTEMBER 9 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 84 430 PM 97 1939 84 0 78  
MINIMUM 73 720 AM 60 1956 74 -1 74  
AVERAGE 79 79 0 76  
 
PRECIPITATION (IN)  
YESTERDAY 0.28 6.26 1988 0.18 0.10 2.60  
MONTH TO DATE 0.28 1.71 -1.43 3.38  
SINCE SEP 1 0.28 1.71 -1.43 3.38  
SINCE JAN 1 34.09 31.44 2.65 30.47  
 
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 14 14 0 11  
MONTH TO DATE 145 130 15 147  
SINCE SEP 1 145 130 15 147  
SINCE JAN 1 2101 1991 110 2164    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 6.9  
   
......................................................
 
 
THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 97 1985  
MINIMUM TEMPERATURE (F) 74 59 1956  
 
SUNRISE AND SUNSET  
SEPTEMBER 10 2023.....SUNRISE 700 AM EDT SUNSET 733 PM EDT  
SEPTEMBER 11 2023.....SUNRISE 701 AM EDT SUNSET 732 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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