589  
CDUS42 KCHS 232111  
CLICXM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHARLESTON SC  
511 PM EDT FRI MAY 23 2025  
   
...............................  
 
   
..THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR MAY 23 2025  
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1870 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 84 300 PM 97 1956 80 4 85  
MINIMUM 72 450 AM 55 1895 70 2 72  
AVERAGE 78 75 3 79  
 
PRECIPITATION (IN)  
TODAY 0.00 5.40 1976 0.09 -0.09 0.00  
MONTH TO DATE 5.33 1.70 3.63 2.89  
SINCE MAR 1 8.36 7.69 0.67 14.90  
SINCE JAN 1 11.03 12.81 -1.78 19.51  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 172 275 -103 131  
SINCE JUL 1 1512 1619 -107 1291  
 
COOLING  
TODAY 13 10 3 14  
MONTH TO DATE 262 182 80 221  
SINCE MAR 1 427 295 132 372  
SINCE JAN 1 435 300 135 372    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 5.5  
   
......................................................  
 
THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 98 1953  
MINIMUM TEMPERATURE (F) 70 53 1931  
1967  
 
SUNRISE AND SUNSET  
MAY 23 2025...........SUNRISE 616 AM EDT SUNSET 817 PM EDT  
MAY 24 2025...........SUNRISE 615 AM EDT SUNSET 818 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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