984  
CDUS42 KCHS 012117  
CLICXM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHARLESTON SC  
517 PM EDT THU MAY 01 2025  
   
...............................
 
 
   
..THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR MAY 1 2025
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1870 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 76 330 PM 91 1990 76 0 76  
MINIMUM 67 520 AM 46 1908 64 3 68  
AVERAGE 72 70 2 72  
 
PRECIPITATION (IN)  
TODAY 0.00 2.83 1976 0.07 -0.07 0.14  
MONTH TO DATE 0.00 0.07 -0.07 0.14  
SINCE MAR 1 3.03 6.06 -3.03 12.15  
SINCE JAN 1 5.70 11.18 -5.48 16.76  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 172 275 -103 131  
SINCE JUL 1 1512 1619 -107 1291  
 
COOLING  
TODAY 7 6 1 7  
MONTH TO DATE 7 6 1 7  
SINCE MAR 1 172 119 53 158  
SINCE JAN 1 180 124 56 158    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 8.4  
   
......................................................
 
 
THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 91 1906  
MINIMUM TEMPERATURE (F) 64 49 1939  
1963  
1999  
 
SUNRISE AND SUNSET  
MAY 1 2025...........SUNRISE 632 AM EDT SUNSET 802 PM EDT  
MAY 2 2025...........SUNRISE 631 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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