692  
CDUS42 KCHS 212114  
CLICXM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHARLESTON SC  
514 PM EDT SUN MAY 21 2023  
   
...............................
 
 
   
..THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR MAY 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 78 110 PM 99 1938 80 -2 81  
MINIMUM 70 100 AM 51 1894 69 1 75  
AVERAGE 74 75 -1 78  
 
PRECIPITATION (IN)  
TODAY 0.03 2.26 1966 0.08 -0.05 0.00  
MONTH TO DATE 2.77 1.53 1.24 0.42  
SINCE MAR 1 8.02 7.52 0.50 4.07  
SINCE JAN 1 14.74 12.64 2.10 7.20  
 
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 9 10 -1 13  
MONTH TO DATE 154 162 -8 192  
SINCE MAR 1 333 275 58 331  
SINCE JAN 1 373 280 93 348    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 6 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 7 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 1.8  
   
......................................................
 
 
THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 95 1938  
MINIMUM TEMPERATURE (F) 70 54 1895  
 
SUNRISE AND SUNSET  
MAY 21 2023...........SUNRISE 617 AM EDT SUNSET 816 PM EDT  
MAY 22 2023...........SUNRISE 617 AM EDT SUNSET 816 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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