032  
CDUS42 KCHS 010600  
CLICXM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHARLESTON SC  
200 AM EDT MON MAY 01 2023  
   
...............................
 
 
   
..THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR APRIL 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 75 450 PM 88 1912 76 -1 75  
1974  
1987  
MINIMUM 67 750 AM 49 1922 64 3 68  
1939  
1999  
AVERAGE 71 70 1 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.25 1.63 2014 0.09 0.16 0.00  
MONTH TO DATE 3.94 2.96 0.98 1.20  
SINCE MAR 1 5.25 5.99 -0.74 3.65  
SINCE JAN 1 11.97 11.11 0.86 6.78  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 34 64 -30 38  
SINCE MAR 1 176 277 -101 154  
SINCE JUL 1 1142 1621 -479 1273  
 
COOLING  
YESTERDAY 6 5 1 7  
MONTH TO DATE 115 92 23 103  
SINCE MAR 1 179 113 66 139  
SINCE JAN 1 219 118 101 156    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 6.2  
   
......................................................
 
 
THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 91 1990  
MINIMUM TEMPERATURE (F) 64 46 1908  
 
SUNRISE AND SUNSET  
MAY 1 2023...........SUNRISE 633 AM EDT SUNSET 801 PM EDT  
MAY 2 2023...........SUNRISE 632 AM EDT SUNSET 802 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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