624   
CDUS42 KKEY 160531  
CLIMTH  
  
CLIMATE REPORT   
NATIONAL WEATHER SERVICE KEY WEST FL  
1231 AM EST MON DEC 16 2024  
   
...............................  
  
   
..THE MARATHON CLIMATE SUMMARY FOR DECEMBER 15 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         79    221 PM  87    1972  78      1       72         
  MINIMUM         70    739 AM  45    2010  68      2       69         
  AVERAGE         75                        73      2       71       
  
PRECIPITATION (IN)                                                      
  YESTERDAY        T             1.21 2006   0.08  -0.08     0.82       
  MONTH TO DATE    0.04                      1.17  -1.13     1.47       
  SINCE DEC 1      0.04                      1.17  -1.13     1.47       
  SINCE JAN 1     46.64                     38.69   7.95    45.45       
  
DEGREE DAYS                                                             
 HEATING                                                                
  YESTERDAY        0                         1     -1        0          
  MONTH TO DATE    0                         3     -3        0          
  SINCE DEC 1      0                         3     -3        0          
  SINCE JUL 1      0                         4     -4        0          
  
 COOLING                                                                
  YESTERDAY       10                         8      2        6          
  MONTH TO DATE   91                       137    -46      141          
  SINCE DEC 1     91                       137    -46      141          
  SINCE JAN 1   5324                      5008    316     6011           
...............................................................  
  
WIND (MPH)                                                              
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    NE (50)          
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION    NE (50)          
  AVERAGE WIND SPEED     9.6                                          
  
SKY COVER                                                               
  POSSIBLE SUNSHINE  MM                                                   
  AVERAGE SKY COVER 0.1                                                   
  
WEATHER CONDITIONS                                                      
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                           
  LIGHT RAIN                                                            
  
RELATIVE HUMIDITY (PERCENT)  
 HIGHEST    93                                                          
 LOWEST     71                                                          
 AVERAGE    82                                                          
   
......................................................  
  
THE MARATHON CLIMATE NORMALS FOR TODAY  
                         NORMAL    RECORD    YEAR                       
 MAXIMUM TEMPERATURE (F)   78        84      2009                        
                                             2019                       
                                             2021                       
 MINIMUM TEMPERATURE (F)   68        45      1968                        
  
SUNRISE AND SUNSET                                                      
DECEMBER 16 2024......SUNRISE   702 AM EST   SUNSET   539 PM EST       
DECEMBER 17 2024......SUNRISE   702 AM EST   SUNSET   539 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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