302  
CDUS42 KCHS 272113  
CLICXM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHARLESTON SC  
513 PM EDT TUE MAY 27 2025  
   
...............................  
 
   
..THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR MAY 27 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 78 100 PM 100 2019 81 -3 86  
MINIMUM 69 600 AM 53 1961 71 -2 78  
AVERAGE 74 76 -2 82  
 
PRECIPITATION (IN)  
TODAY 0.00 2.53 1922 0.11 -0.11 0.00  
MONTH TO DATE 5.75 2.12 3.63 3.71  
SINCE MAR 1 8.78 8.11 0.67 15.72  
SINCE JAN 1 11.45 13.23 -1.78 20.33  
 
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 9 11 -2 17  
MONTH TO DATE 296 224 72 278  
SINCE MAR 1 461 337 124 429  
SINCE JAN 1 469 342 127 429    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 12.0  
   
......................................................  
 
THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 98 2019  
MINIMUM TEMPERATURE (F) 71 57 1934  
1997  
 
SUNRISE AND SUNSET  
MAY 27 2025...........SUNRISE 614 AM EDT SUNSET 820 PM EDT  
MAY 28 2025...........SUNRISE 614 AM EDT SUNSET 821 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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