472  
CDUS42 KCHS 220602  
CLICXM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHARLESTON SC  
202 AM EDT FRI MAY 22 2026  
   
...............................
 
 
   
..THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR MAY 21 2026
 
 
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)  
YESTERDAY  
MAXIMUM 84 1100 AM 99 1938 80 4 92  
MINIMUM 74 510 AM 51 1894 69 5 78  
AVERAGE 79 75 4 85  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.26 1966 0.08 -0.08 0.00  
MONTH TO DATE 1.08 1.53 -0.45 5.33  
SINCE MAR 1 1.79 7.52 -5.73 8.36  
SINCE JAN 1 5.52 12.64 -7.12 11.03  
 
DEGREE DAYS  
HEATING  
YESTERDAY 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  
YESTERDAY 14 10 4 20  
MONTH TO DATE 140 162 -22 235  
SINCE MAR 1 331 275 56 400  
SINCE JAN 1 336 280 56 408    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 7.9  
   
......................................................
 
 
THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 95 1938  
MINIMUM TEMPERATURE (F) 70 54 1895  
 
SUNRISE AND SUNSET  
MAY 22 2026...........SUNRISE 617 AM EDT SUNSET 817 PM EDT  
MAY 23 2026...........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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