324  
CDUS42 KCHS 190602  
CLICXM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHARLESTON SC  
202 AM EDT FRI MAY 19 2023  
   
...............................
 
 
   
..THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR MAY 18 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 1050 AM 98 1899 79 -4 82  
MINIMUM 70 1250 PM 52 2009 69 1 70  
AVERAGE 73 74 -1 76  
 
PRECIPITATION (IN)  
YESTERDAY 0.20 1.79 1955 0.07 0.13 0.00  
MONTH TO DATE 2.73 1.30 1.43 0.42  
SINCE MAR 1 7.98 7.29 0.69 4.07  
SINCE JAN 1 14.70 12.41 2.29 7.20  
 
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 9 -1 11  
MONTH TO DATE 131 133 -2 145  
SINCE MAR 1 310 246 64 284  
SINCE JAN 1 350 251 99 301    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 8.6  
   
......................................................
 
 
THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 93 1962  
1977  
2001  
MINIMUM TEMPERATURE (F) 69 53 2002  
 
SUNRISE AND SUNSET  
MAY 19 2023...........SUNRISE 618 AM EDT SUNSET 814 PM EDT  
MAY 20 2023...........SUNRISE 618 AM EDT SUNSET 815 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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