314  
CDUS42 KCHS 120602  
CLICXM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHARLESTON SC  
202 AM EDT FRI MAY 12 2023  
   
...............................
 
 
   
..THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR MAY 11 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 76 1130 AM 94 1955 78 -2 79  
MINIMUM 69 350 AM 52 1966 67 2 61  
AVERAGE 73 72 1 70  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.57 1899 0.07 -0.07 0.00  
MONTH TO DATE 0.80 0.81 -0.01 0.00  
SINCE MAR 1 6.05 6.80 -0.75 3.65  
SINCE JAN 1 12.77 11.92 0.85 6.78  
 
DEGREE DAYS  
HEATING  
YESTERDAY 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  
YESTERDAY 8 8 0 5  
MONTH TO DATE 57 74 -17 85  
SINCE MAR 1 236 187 49 224  
SINCE JAN 1 276 192 84 241    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 11 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 6.8  
   
......................................................
 
 
THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 96 1896  
MINIMUM TEMPERATURE (F) 67 53 1947  
1952  
2021  
 
SUNRISE AND SUNSET  
MAY 12 2023...........SUNRISE 623 AM EDT SUNSET 809 PM EDT  
MAY 13 2023...........SUNRISE 622 AM EDT SUNSET 810 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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