104  
CDUS42 KCHS 212106  
CLICXM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHARLESTON SC  
506 PM EDT TUE MAY 21 2024  
   
...............................
 
 
   
..THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR MAY 21 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 77 330 PM 99 1938 80 -3 78  
MINIMUM 67 550 AM 51 1894 69 -2 70  
AVERAGE 72 75 -3 74  
 
PRECIPITATION (IN)  
TODAY 0.00 2.26 1966 0.08 -0.08 0.03  
MONTH TO DATE 2.89 1.53 1.36 2.77  
SINCE MAR 1 14.90 7.52 7.38 8.02  
SINCE JAN 1 19.51 12.64 6.87 14.74  
 
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 7 10 -3 9  
MONTH TO DATE 197 162 35 154  
SINCE MAR 1 348 275 73 333  
SINCE JAN 1 348 280 68 373    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 19 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 10.5  
   
......................................................
 
 
THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 95 1938  
MINIMUM TEMPERATURE (F) 70 54 1895  
 
SUNRISE AND SUNSET  
MAY 21 2024...........SUNRISE 617 AM EDT SUNSET 816 PM EDT  
MAY 22 2024...........SUNRISE 616 AM EDT SUNSET 817 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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