870  
CDUS42 KCHS 300603  
CLICXM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHARLESTON SC  
203 AM EDT TUE MAY 30 2023  
   
...............................
 
 
   
..THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR MAY 29 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 75 500 PM 97 1898 81 -6 82  
1921  
2019  
MINIMUM 61 350 AM 58 1922 71 -10 75  
AVERAGE 68 76 -8 79  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.41 1964 0.12 -0.12 0.00  
MONTH TO DATE 4.83 2.35 2.48 1.84  
SINCE MAR 1 10.08 8.34 1.74 5.49  
SINCE JAN 1 16.80 13.46 3.34 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 3 11 -8 14  
MONTH TO DATE 180 246 -66 294  
SINCE MAR 1 359 359 0 433  
SINCE JAN 1 399 364 35 450    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 7 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 8 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 2.9  
   
......................................................
 
 
THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 98 1898  
1913  
MINIMUM TEMPERATURE (F) 71 55 1971  
 
SUNRISE AND SUNSET  
MAY 30 2023...........SUNRISE 613 AM EDT SUNSET 822 PM EDT  
MAY 31 2023...........SUNRISE 613 AM EDT SUNSET 822 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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