614  
CXUS52 KCHS 011456  
CLMCXM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHARLESTON SC  
1050 AM EDT FRI AUG 01 2025  
   
...............................  
 
...THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR THE MONTH OF JULY 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 103 07/22/1977  
07/06/1902  
LOW 61 07/04/1933  
HIGHEST 97 07/27 MM MM 94 07/11  
07/15  
LOWEST 72 07/11 MM MM 74 07/02  
AVG. MAXIMUM 89.0 87.5 1.5 88.3  
AVG. MINIMUM 79.3 77.1 2.2 78.5  
MEAN 84.1 82.3 1.8 83.4  
DAYS MAX >= 90 11 9.3 1.7 8  
DAYS MAX <= 32 0 0.0 0.0 0  
DAYS MIN <= 32 0 0.0 0.0 0  
DAYS MIN <= 0 0 0.0 0.0 0  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM 23.75 1964  
MINIMUM 0.54 1986  
TOTALS 4.55 5.08 -0.53 7.51  
DAYS >= .01 14 11.6 2.4 14  
DAYS >= .10 10 7.6 2.4 11  
DAYS >= .50 3 3.4 -0.4 5  
DAYS >= 1.00 1 1.6 -0.6 2  
GREATEST  
24 HR. TOTAL 1.33 07/21 TO 07/21  
 
DEGREE DAYS  
HEATING TOTAL 0 0 0 0  
SINCE 7/1 0 0 0 MM  
COOLING TOTAL 600 536 64 580  
SINCE 1/1 1618 1351 267 MM    
............................................................  
 
WIND (MPH)  
AVERAGE WIND SPEED 8.4  
HIGHEST WIND SPEED/DIRECTION 32/050  
HIGHEST GUST SPEED/DIRECTION 39/060  
39/080  
 
- 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 MONTH:  
 
*JUL 16 - RECORD HIGH MINIMUM TEMPERATURE OF 83 DEGREES  
*JUL 17 - RECORD HIGH MINIMUM TEMPERATURE OF 83 DEGREES  
*JUL 28 - RECORD HIGH MINIMUM TEMPERATURE OF 84 DEGREES  
 
 
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