218   
CDUS42 KKEY 100536  
CLIMTH  
  
CLIMATE REPORT   
NATIONAL WEATHER SERVICE KEY WEST FL  
1236 AM EST TUE DEC 10 2024  
   
...............................  
  
   
..THE MARATHON CLIMATE SUMMARY FOR DECEMBER 9 2024  
  
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1950 TO 2024  
  
WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST        
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR       
                                                  NORMAL              
...............................................................  
  
TEMPERATURE (F)                                                            
 YESTERDAY                                                             
  MAXIMUM         81    229 PM  86    1972  79      2       84         
  MINIMUM         73    710 AM  53    2010  69      4       73         
  AVERAGE         77                        74      3       79       
  
PRECIPITATION (IN)                                                      
  YESTERDAY        0.00          0.86 2017   0.08  -0.08     0.09       
  MONTH TO DATE    0.00                      0.69  -0.69     0.10       
  SINCE DEC 1      0.00                      0.69  -0.69     0.10       
  SINCE JAN 1     46.60                     38.21   8.39    44.08       
  
DEGREE DAYS                                                             
 HEATING                                                                
  YESTERDAY        0                         0      0        0          
  MONTH TO DATE    0                         0      0        0          
  SINCE DEC 1      0                         0      0        0          
  SINCE JUL 1      0                         1     -1        0          
  
 COOLING                                                                
  YESTERDAY       12                         9      3       14          
  MONTH TO DATE   42                        84    -42      103          
  SINCE DEC 1     42                        84    -42      103          
  SINCE JAN 1   5275                      4955    320     5973           
...............................................................  
  
WIND (MPH)                                                              
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     E (110)         
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     E (90)          
  AVERAGE WIND SPEED     9.3                                          
  
SKY COVER                                                               
  POSSIBLE SUNSHINE  MM                                                   
  AVERAGE SKY COVER 0.2                                                   
  
WEATHER CONDITIONS                                                      
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                           
  NO SIGNIFICANT WEATHER WAS OBSERVED.                                    
  
RELATIVE HUMIDITY (PERCENT)  
 HIGHEST    74                                                          
 LOWEST     56                                                          
 AVERAGE    65                                                          
   
......................................................  
  
THE MARATHON CLIMATE NORMALS FOR TODAY  
                         NORMAL    RECORD    YEAR                       
 MAXIMUM TEMPERATURE (F)   79        86      1971                        
                                             2004                       
                                             2019                       
 MINIMUM TEMPERATURE (F)   69        52      2014                        
  
SUNRISE AND SUNSET                                                      
DECEMBER 10 2024......SUNRISE   658 AM EST   SUNSET   537 PM EST       
DECEMBER 11 2024......SUNRISE   659 AM EST   SUNSET   537 PM EST       
  
-  INDICATES NEGATIVE NUMBERS.  
R  INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T  INDICATES TRACE AMOUNT.  
  
  
 
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