249  
CXUS52 KCHS 022052  
CLACXM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHARLESTON SC  
329 PM EST THU JAN 02 2025  
   
...............................  
 
   
..THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR THE YEAR OF 2024  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1870 TO 2025  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE  
NORMAL    
..........................................................  
 
TEMPERATURE (F)  
RECORD  
HIGH 104 06/02/1985  
06/24/1944  
LOW 7 02/14/1899  
HIGHEST 94 07/11 94  
07/15  
LOWEST 26 01/21 34  
AVG. MAXIMUM 74.2 73.3 0.9 74.5  
AVG. MINIMUM 63.0 61.1 1.9 62.7  
MEAN 68.6 67.2 1.4 68.6  
DAYS MAX >= 90 16 24.5 -8.5 31  
DAYS MAX <= 32 0 0.0 0.0 0  
DAYS MIN <= 32 1 6.1 -5.1 0  
DAYS MIN <= 0 0 0.0 0.0 0  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM 74.87 1945  
MINIMUM 27.63 2000  
TOTALS 49.12 44.26 4.86 49.32  
DAYS >= .01 96 101.9 -5.9 119  
DAYS >= .10 61 65.1 -4.1 78  
DAYS >= .50 30 27.2 2.8 28  
DAYS >= 1.00 14 12.4 1.6 15  
GREATEST  
24 HR. TOTAL 3.63 03/09  
 
DEGREE DAYS  
HEATING TOTAL 1292 1623 -331 1087  
SINCE 7/1 473 567 -94 MM  
COOLING TOTAL 2706 2448 258 2512  
SINCE 1/1 2706 2448 258 MM    
..........................................................  
 
WIND (MPH)  
AVERAGE WIND SPEED 9.0  
HIGHEST WIND SPEED/DIRECTION 50/180 DATE 01/09  
HIGHEST GUST SPEED/DIRECTION 63/170 DATE 09/27  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
RECORDS ESTABLISHED IN DOWNTOWN CHARLESTON DURING THE YEAR:  
 
*4TH WARMEST NOVEMBER ON RECORD  
 
 
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