722  
CDUS42 KCHS 222106  
CLICXM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHARLESTON SC  
506 PM EDT THU MAY 22 2025  
   
...............................  
 
   
..THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR MAY 22 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 88 310 PM 95 1938 80 8 81  
MINIMUM 69 520 AM 54 1895 70 -1 68  
AVERAGE 79 75 4 75  
 
PRECIPITATION (IN)  
TODAY 0.00 4.85 1967 0.08 -0.08 0.00  
MONTH TO DATE 5.33 1.61 3.72 2.89  
SINCE MAR 1 8.36 7.60 0.76 14.90  
SINCE JAN 1 11.03 12.72 -1.69 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 14 10 4 10  
MONTH TO DATE 249 172 77 207  
SINCE MAR 1 414 285 129 358  
SINCE JAN 1 422 290 132 358    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 7.0  
   
......................................................  
 
THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 97 1956  
MINIMUM TEMPERATURE (F) 70 55 1895  
 
SUNRISE AND SUNSET  
MAY 22 2025...........SUNRISE 616 AM EDT SUNSET 817 PM EDT  
MAY 23 2025...........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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