433  
CDUS42 KCHS 190603  
CLICXM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHARLESTON SC  
203 AM EDT SAT AUG 19 2023  
   
...............................
 
 
   
..THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR AUGUST 18 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 91 410 PM 97 1944 86 5 82  
1995  
MINIMUM 78 600 AM 67 1979 77 1 73  
AVERAGE 85 81 4 78  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 6.08 1935 0.19 -0.19 0.07  
MONTH TO DATE 4.44 3.42 1.02 3.64  
SINCE JUN 1 15.11 13.35 1.76 12.40  
SINCE JAN 1 31.91 27.04 4.87 21.02  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 20 16 4 13  
MONTH TO DATE 335 303 32 310  
SINCE JUN 1 1296 1267 29 1331  
SINCE JAN 1 1710 1654 56 1811    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 6.9  
   
......................................................
 
 
THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 98 1895  
MINIMUM TEMPERATURE (F) 76 67 1976  
 
SUNRISE AND SUNSET  
AUGUST 19 2023........SUNRISE 646 AM EDT SUNSET 800 PM EDT  
AUGUST 20 2023........SUNRISE 646 AM EDT SUNSET 759 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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