609  
CDUS42 KCHS 162121  
CLICXM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHARLESTON SC  
521 PM EDT TUE MAY 16 2023  
   
...............................
 
 
   
..THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR MAY 16 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 80 210 PM 96 1915 79 1 81  
MINIMUM 73 1200 AM 53 1926 68 5 73  
AVERAGE 77 74 3 77  
 
PRECIPITATION (IN)  
TODAY 0.00 2.28 1922 0.07 -0.07 0.00  
MONTH TO DATE 0.80 1.16 -0.36 0.39  
SINCE MAR 1 6.05 7.15 -1.10 4.04  
SINCE JAN 1 12.77 12.27 0.50 7.17  
 
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 12 9 3 12  
MONTH TO DATE 110 115 -5 123  
SINCE MAR 1 289 228 61 262  
SINCE JAN 1 329 233 96 279    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 7 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 10 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 4.5  
   
......................................................
 
 
THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 94 1899  
MINIMUM TEMPERATURE (F) 68 54 1984  
 
SUNRISE AND SUNSET  
MAY 16 2023...........SUNRISE 620 AM EDT SUNSET 812 PM EDT  
MAY 17 2023...........SUNRISE 620 AM EDT SUNSET 813 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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