CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1901 TO 2008
 WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         64    608 AM  92    1962  75    -11       74       
  MINIMUM         50   1159 PM  35    1984  50      0       53       
  AVERAGE         57                        62     -5       64      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.32          1.00 1983   0.14   0.18     0.81    
  MONTH TO DATE    4.77                      2.16   2.61     1.67    
  SINCE JAN 1     19.47                     15.75   3.72    14.13    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  MONTH TO DATE    0.0                                               
  SINCE SEP 1     21.9                                               
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        8                         4      4        1       
  MONTH TO DATE   75                        94    -19       33       
  SINCE MAR 1    892                      1028   -136      825       
  SINCE JUL 1   4089                      4578   -489     4244       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         2     -2        0       
  MONTH TO DATE    7                        29    -22       41       
  SINCE MAR 1     27                        61    -34      101       
  SINCE JAN 1     27                        61    -34      101       
..................................................................
 WIND (MPH)                                                           
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    NW (300)      
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION     W (290)      
  AVERAGE WIND SPEED     7.2                                         
                                                                      
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.7                                              
                                                                      
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  HEAVY RAIN                                                         
  RAIN                                                               
  LIGHT RAIN                                                         
  FOG                                                                
                                                                      
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    96           800 PM                                     
 LOWEST     86           900 AM                                     
 AVERAGE    91                                                       
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THE CHARLESTON CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   75        91      1962                    
 MINIMUM TEMPERATURE (F)   51        34      1984                    
                                                                      
SUNRISE AND SUNSET                                                   
MAY 17 2008...........SUNRISE   613 AM EDT   SUNSET   833 PM EDT   
MAY 18 2008...........SUNRISE   612 AM EDT   SUNSET   834 PM EDT   
                                                                     
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.