804  
CDUS42 KCHS 172106  
CLICXM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHARLESTON SC  
506 PM EDT WED MAY 17 2023  
   
...............................
 
 
   
..THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR MAY 17 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 88 220 PM 94 1899 79 9 80  
MINIMUM 73 520 AM 54 1984 68 5 72  
AVERAGE 81 74 7 76  
 
PRECIPITATION (IN)  
TODAY 0.00 1.62 1946 0.07 -0.07 0.03  
MONTH TO DATE 0.80 1.23 -0.43 0.42  
SINCE MAR 1 6.05 7.22 -1.17 4.07  
SINCE JAN 1 12.77 12.34 0.43 7.20  
 
DEGREE DAYS  
HEATING  
TODAY 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  
TODAY 16 9 7 11  
MONTH TO DATE 126 124 2 134  
SINCE MAR 1 305 237 68 273  
SINCE JAN 1 345 242 103 290    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 7 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 10 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 3.7  
   
......................................................
 
 
THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 98 1899  
MINIMUM TEMPERATURE (F) 69 52 2009  
 
SUNRISE AND SUNSET  
MAY 17 2023...........SUNRISE 620 AM EDT SUNSET 813 PM EDT  
MAY 18 2023...........SUNRISE 619 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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