054  
CXUS52 KCHS 010847  
CLMCXM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHARLESTON SC  
447 AM EDT TUE APR 01 2025  
   
...............................  
 
...THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR THE MONTH OF MARCH 2025...  
 
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 DATE(S)  
NORMAL    
............................................................  
 
TEMPERATURE (F)  
RECORD  
HIGH 94 03/23/1907  
LOW 22 03/03/1980  
HIGHEST 75 03/11 MM MM 78 03/31  
03/31  
LOWEST 42 03/07 MM MM 44 03/19  
AVG. MAXIMUM 67.2 65.6 1.6 68.8  
AVG. MINIMUM 53.9 52.0 1.9 56.5  
MEAN 60.5 58.8 1.7 62.7  
DAYS MAX >= 90 0 0.0 0.0 0  
DAYS MAX <= 32 0 0.0 0.0 0  
DAYS MIN <= 32 0 0.2 -0.2 0  
DAYS MIN <= 0 0 0.0 0.0 0  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM 10.51 1944  
MINIMUM 0.33 1938  
TOTALS 2.25 3.03 -0.78 7.89  
DAYS >= .01 7 7.9 -0.9 10  
DAYS >= .10 5 4.9 0.1 6  
DAYS >= .50 2 1.8 0.2 5  
DAYS >= 1.00 0 0.6 -0.6 2  
GREATEST  
24 HR. TOTAL 0.64 03/10 TO 03/10  
 
DEGREE DAYS  
HEATING TOTAL 147 213 -66 93  
SINCE 7/1 1487 1558 -71 MM  
COOLING TOTAL 15 21 -6 29  
SINCE 1/1 23 26 -3 MM    
............................................................  
 
WIND (MPH)  
AVERAGE WIND SPEED 9.4  
HIGHEST WIND SPEED/DIRECTION 32/190  
HIGHEST GUST SPEED/DIRECTION 45/190  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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