241  
CDUS42 KCHS 212108  
CLICXM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHARLESTON SC  
508 PM EDT SAT OCT 21 2023  
   
...............................
 
 
   
..THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR OCTOBER 21 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 73 220 PM 84 1943 74 -1 69  
1962  
MINIMUM 56 650 AM 39 1913 61 -5 54  
AVERAGE 65 68 -3 62  
 
PRECIPITATION (IN)  
TODAY 0.00 2.77 1959 0.11 -0.11 0.00  
MONTH TO DATE 1.18 3.14 -1.96 0.49  
SINCE SEP 1 6.92 8.39 -1.47 8.31  
SINCE JAN 1 40.73 38.12 2.61 35.40  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1 3  
MONTH TO DATE 9 9 0 27  
SINCE SEP 1 9 10 -1 29  
SINCE JUL 1 9 10 -1 29  
 
COOLING  
TODAY 0 4 -4 0  
MONTH TO DATE 91 137 -46 85  
SINCE SEP 1 471 514 -43 481  
SINCE JAN 1 2427 2375 52 2498    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 6.8  
   
......................................................
 
 
THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 87 1919  
1939  
MINIMUM TEMPERATURE (F) 61 42 1952  
 
SUNRISE AND SUNSET  
OCTOBER 21 2023.......SUNRISE 728 AM EDT SUNSET 640 PM EDT  
OCTOBER 22 2023.......SUNRISE 729 AM EDT SUNSET 639 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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