348  
CDUS42 KCHS 310609  
CLICXM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHARLESTON SC  
209 AM EDT WED MAY 31 2023  
   
...............................
 
 
   
..THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR MAY 30 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 77 1100 AM 98 1898 82 -5 83  
1913  
MINIMUM 68 450 AM 55 1971 71 -3 77  
AVERAGE 73 76 -3 80  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.23 1949 0.11 -0.11 0.00  
2005  
MONTH TO DATE 4.83 2.46 2.37 1.84  
SINCE MAR 1 10.08 8.45 1.63 5.49  
SINCE JAN 1 16.80 13.57 3.23 8.62  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 3 0 3 3  
SINCE MAR 1 179 275 -96 157  
SINCE JUL 1 1145 1619 -474 1276  
 
COOLING  
YESTERDAY 8 11 -3 15  
MONTH TO DATE 188 257 -69 309  
SINCE MAR 1 367 370 -3 448  
SINCE JAN 1 407 375 32 465    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 10 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 3.3  
   
......................................................
 
 
THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 98 1953  
MINIMUM TEMPERATURE (F) 72 51 1984  
 
SUNRISE AND SUNSET  
MAY 31 2023...........SUNRISE 613 AM EDT SUNSET 822 PM EDT  
JUNE 1 2023..........SUNRISE 613 AM EDT SUNSET 823 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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