559  
CDUS42 KCHS 202116  
CLICXM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHARLESTON SC  
516 PM EDT SUN APR 20 2025  
   
...............................  
 
   
..THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR APRIL 20 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 76 240 PM 92 1917 73 3 86  
1925  
MINIMUM 69 1200 AM 39 1983 61 8 71  
AVERAGE 73 67 6 79  
 
PRECIPITATION (IN)  
TODAY 0.00 1.89 1966 0.10 -0.10 0.00  
MONTH TO DATE 0.78 2.04 -1.26 3.72  
SINCE MAR 1 3.03 5.07 -2.04 11.61  
SINCE JAN 1 5.70 10.19 -4.49 16.22  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1 0  
MONTH TO DATE 25 54 -29 27  
SINCE MAR 1 172 267 -95 120  
SINCE JUL 1 1512 1611 -99 1280  
 
COOLING  
TODAY 8 4 4 14  
MONTH TO DATE 80 47 33 87  
SINCE MAR 1 95 68 27 116  
SINCE JAN 1 103 73 30 116    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 8.3  
   
......................................................  
 
THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 91 2002  
MINIMUM TEMPERATURE (F) 61 41 1901  
 
SUNRISE AND SUNSET  
APRIL 20 2025.........SUNRISE 644 AM EDT SUNSET 754 PM EDT  
APRIL 21 2025.........SUNRISE 643 AM EDT SUNSET 754 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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