560  
CDUS42 KCHS 212117  
CLICHS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHARLESTON SC  
517 PM EDT MON JUL 21 2025  
   
...............................
 
 
   
..THE NORTH CHARLESTON SC CLIMATE SUMMARY FOR JULY 21 2025
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1937 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 96 110 PM 101 1977 92 4 91  
1986  
MINIMUM 78 608 AM 64 1957 74 4 73  
AVERAGE 87 83 4 82  
 
PRECIPITATION (IN)  
TODAY T 2.07 1969 0.22 -0.22 0.01  
MONTH TO DATE 3.92 4.46 -0.54 5.66  
SINCE JUN 1 7.09 10.67 -3.58 9.85  
SINCE JAN 1 20.54 27.05 -6.51 29.04  
 
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 22 18 4 17  
MONTH TO DATE 398 368 30 425  
SINCE JUN 1 918 802 116 941  
SINCE JAN 1 1462 1209 253 1529    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 6.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 600 AM  
LOWEST 53 200 PM  
AVERAGE 70  
   
......................................................
 
 
THE NORTH CHARLESTON SC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 92 101 1977  
MINIMUM TEMPERATURE (F) 74 64 1965  
1974  
 
SUNRISE AND SUNSET  
JULY 21 2025..........SUNRISE 627 AM EDT SUNSET 826 PM EDT  
JULY 22 2025..........SUNRISE 627 AM EDT SUNSET 826 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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