367  
CDUS42 KCHS 122108  
CLICXM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHARLESTON SC  
508 PM EDT SUN MAY 12 2024  
   
...............................
 
 
   
..THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR MAY 12 2024
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1870 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 78 140 PM 96 1896 78 0 76  
MINIMUM 65 540 AM 53 1947 67 -2 71  
1952  
2021  
AVERAGE 72 73 -1 74  
 
PRECIPITATION (IN)  
TODAY 0.00 4.70 1915 0.07 -0.07 0.00  
MONTH TO DATE 1.39 0.88 0.51 0.80  
SINCE MAR 1 13.40 6.87 6.53 6.05  
SINCE JAN 1 18.01 11.99 6.02 12.77  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 131 275 -144 176  
SINCE JUL 1 1291 1619 -328 1142  
 
COOLING  
TODAY 7 8 -1 9  
MONTH TO DATE 112 82 30 66  
SINCE MAR 1 263 195 68 245  
SINCE JAN 1 263 200 63 285    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 11 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 6.4  
   
......................................................
 
 
THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 93 1899  
1922  
1953  
MINIMUM TEMPERATURE (F) 67 50 1917  
 
SUNRISE AND SUNSET  
MAY 12 2024...........SUNRISE 623 AM EDT SUNSET 810 PM EDT  
MAY 13 2024...........SUNRISE 622 AM EDT SUNSET 811 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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