472  
CDUS42 KCHS 202107  
CLICXM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHARLESTON SC  
507 PM EDT WED SEP 20 2023  
   
...............................
 
 
...THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR SEPTEMBER 20 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 80 150 PM 97 1942 82 -2 87  
MINIMUM 71 600 AM 54 1929 72 -1 73  
AVERAGE 76 77 -1 80  
 
PRECIPITATION (IN)  
TODAY 0.00 2.15 1952 0.16 -0.16 0.00  
MONTH TO DATE 4.44 3.60 0.84 3.70  
SINCE SEP 1 4.44 3.60 0.84 3.70  
SINCE JAN 1 38.25 33.33 4.92 30.79  
 
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 12 -1 15  
MONTH TO DATE 290 271 19 306  
SINCE SEP 1 290 271 19 306  
SINCE JAN 1 2246 2132 114 2323    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 19 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 11.4  
   
......................................................
 
 
THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 93 1925  
MINIMUM TEMPERATURE (F) 72 54 1918  
 
SUNRISE AND SUNSET  
SEPTEMBER 20 2023.....SUNRISE 706 AM EDT SUNSET 719 PM EDT  
SEPTEMBER 21 2023.....SUNRISE 707 AM EDT SUNSET 718 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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