418  
CDUS42 KCHS 152131  
CLICXM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHARLESTON SC  
531 PM EDT FRI SEP 15 2023  
   
...............................
 
 
...THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR SEPTEMBER 15 2023...  
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 79 240 PM 96 1980 83 -4 82  
MINIMUM 73 650 AM 61 1967 73 0 70  
1985  
AVERAGE 76 78 -2 76  
 
PRECIPITATION (IN)  
TODAY 0.00 4.31 1991 0.17 -0.17 0.00  
MONTH TO DATE 1.55 2.77 -1.22 3.63  
SINCE SEP 1 1.55 2.77 -1.22 3.63  
SINCE JAN 1 35.36 32.50 2.86 30.72  
 
DEGREE DAYS  
HEATING  
TODAY 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  
TODAY 11 13 -2 11  
MONTH TO DATE 234 210 24 240  
SINCE SEP 1 234 210 24 240  
SINCE JAN 1 2190 2071 119 2257    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 13.3  
   
......................................................
 
 
THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 94 1927  
1980  
2005  
MINIMUM TEMPERATURE (F) 73 59 1908  
 
SUNRISE AND SUNSET  
SEPTEMBER 15 2023.....SUNRISE 703 AM EDT SUNSET 726 PM EDT  
SEPTEMBER 16 2023.....SUNRISE 704 AM EDT SUNSET 725 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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