708  
CDUS42 KCHS 212109  
CLICXM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHARLESTON SC  
509 PM EDT FRI JUL 21 2023  
   
...............................
 
 
   
..THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR JULY 21 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 94 330 PM 102 1977 88 6 87  
MINIMUM 78 510 AM 65 1929 77 1 77  
AVERAGE 86 83 3 82  
 
PRECIPITATION (IN)  
TODAY 0.00 3.68 1939 0.17 -0.17 0.00  
MONTH TO DATE 2.75 3.36 -0.61 4.77  
SINCE JUN 1 7.19 8.21 -1.02 7.08  
SINCE JAN 1 23.99 21.90 2.09 15.70  
 
DEGREE DAYS  
HEATING  
TODAY 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  
TODAY 21 18 3 17  
MONTH TO DATE 410 363 47 357  
SINCE JUN 1 781 791 -10 830  
SINCE JAN 1 1195 1178 17 1310    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 10 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 3.8  
   
......................................................
 
 
THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 103 1977  
MINIMUM TEMPERATURE (F) 77 63 1929  
 
SUNRISE AND SUNSET  
JULY 21 2023..........SUNRISE 626 AM EDT SUNSET 826 PM EDT  
JULY 22 2023..........SUNRISE 627 AM EDT SUNSET 825 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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