372  
CDUS42 KCHS 180601  
CLICXM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHARLESTON SC  
201 AM EDT THU MAY 18 2023  
   
...............................
 
 
   
..THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR MAY 17 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1870 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 88 220 PM 94 1899 79 9 80  
MINIMUM 67 450 PM 54 1984 68 -1 72  
AVERAGE 78 74 4 76  
 
PRECIPITATION (IN)  
YESTERDAY 1.73R 1.62 1946 0.07 1.66 0.03  
MONTH TO DATE 2.53 1.23 1.30 0.42  
SINCE MAR 1 7.78 7.22 0.56 4.07  
SINCE JAN 1 14.50 12.34 2.16 7.20  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 3  
SINCE MAR 1 176 275 -99 157  
SINCE JUL 1 1142 1619 -477 1276  
 
COOLING  
YESTERDAY 13 9 4 11  
MONTH TO DATE 123 124 -1 134  
SINCE MAR 1 302 237 65 273  
SINCE JAN 1 342 242 100 290    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 4.0  
   
......................................................
 
 
THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 98 1899  
MINIMUM TEMPERATURE (F) 69 52 2009  
 
SUNRISE AND SUNSET  
MAY 18 2023...........SUNRISE 619 AM EDT SUNSET 814 PM EDT  
MAY 19 2023...........SUNRISE 618 AM EDT SUNSET 814 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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