CDUS42 KCHS 182109
CLICXM

CLIMATE REPORT 
NATIONAL WEATHER SERVICE CHARLESTON SC
509 PM EDT MON MAY 18 2026

...................................

...THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR MAY 18 2026...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1870 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 TODAY                                                               
  MAXIMUM         80    840 AM  98    1899  79      1       88       
  MINIMUM         72    550 AM  52    2009  69      3       73       
  AVERAGE         76                        74      2       81     

PRECIPITATION (IN)                                                    
  TODAY            0.00          1.79 1955   0.07  -0.07     0.00     
  MONTH TO DATE    1.08                      1.30  -0.22     5.33     
  SINCE MAR 1      1.79                      7.29  -5.50     8.36     
  SINCE JAN 1      5.52                     12.41  -6.89    11.03     

DEGREE DAYS                                                           
 HEATING                                                              
  TODAY            0                         0      0        0        
  MONTH TO DATE    9                         0      9        0        
  SINCE MAR 1    171                       275   -104      172        
  SINCE JUL 1   1569                      1619    -50     1512        

 COOLING                                                              
  TODAY           11                         9      2       16        
  MONTH TO DATE  105                       133    -28      185        
  SINCE MAR 1    296                       246     50      350        
  SINCE JAN 1    301                       251     50      358        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION    SE (120)       
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION    SE (120)       
  AVERAGE WIND SPEED     5.9                                        

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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 2026...........SUNRISE   619 AM EDT   SUNSET   814 PM EDT     
MAY 19 2026...........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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