964  
CDUS42 KCHS 182110  
CLICXM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHARLESTON SC  
510 PM EDT SAT MAY 18 2024  
   
...............................
 
 
   
..THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR MAY 18 2024
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1870 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 77 910 AM 98 1899 79 -2 75  
MINIMUM 72 230 PM 52 2009 69 3 70  
AVERAGE 75 74 1 73  
 
PRECIPITATION (IN)  
TODAY 0.17 1.79 1955 0.07 0.10 0.20  
MONTH TO DATE 2.03 1.30 0.73 2.73  
SINCE MAR 1 14.04 7.29 6.75 7.98  
SINCE JAN 1 18.65 12.41 6.24 14.70  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 131 275 -144 176  
SINCE JUL 1 1291 1619 -328 1142  
 
COOLING  
TODAY 10 9 1 8  
MONTH TO DATE 174 133 41 131  
SINCE MAR 1 325 246 79 310  
SINCE JAN 1 325 251 74 350    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 6.2  
   
......................................................
 
 
THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 93 1962  
1977  
2001  
MINIMUM TEMPERATURE (F) 69 53 2002  
 
SUNRISE AND SUNSET  
MAY 18 2024...........SUNRISE 619 AM EDT SUNSET 814 PM EDT  
MAY 19 2024...........SUNRISE 618 AM EDT SUNSET 815 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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