AFOS product CLIMTH
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CLIMTH

CLIMATE REPORT 
NATIONAL WEATHER SERVICE KEY WEST FL
416 PM EST FRI DEC 12 2025

...................................

...THE MARATHON CLIMATE SUMMARY FOR DECEMBER 12 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1950 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 TODAY                                                               
  MAXIMUM         77    400 PM  87    2016  78     -1       73       
  MINIMUM         68    703 AM  42    1957  68      0       59       
  AVERAGE         73                        73      0       66     

PRECIPITATION (IN)                                                    
  TODAY            0.00          0.69 1983   0.08  -0.08     0.00     
  MONTH TO DATE    0.73                      0.93  -0.20     0.02     
  SINCE DEC 1      0.73                      0.93  -0.20     0.02     
  SINCE JAN 1     37.69                     38.45  -0.76    46.62     

DEGREE DAYS                                                           
 HEATING                                                              
  TODAY            0                         0      0        0        
  MONTH TO DATE    0                         0      0        0        
  SINCE DEC 1      0                         0      0        0        
  SINCE JUL 1      5                         1      4        0        

 COOLING                                                              
  TODAY            8                         9     -1        1        
  MONTH TO DATE  135                       111     24       67        
  SINCE DEC 1    135                       111     24       67        
  SINCE JAN 1   5030                      4982     48     5300        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     E (80)        
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    NE (60)        
  AVERAGE WIND SPEED     7.0                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.0                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED TODAY.                             
  NO SIGNIFICANT WEATHER WAS OBSERVED.                                  


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    78                                                        
 LOWEST     62                                                        
 AVERAGE    70                                                        

..........................................................


THE MARATHON CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   78        87      1961                      
                                             1986                     
 MINIMUM TEMPERATURE (F)   68        42      1962                      


SUNRISE AND SUNSET                                                    
DECEMBER 12 2025......SUNRISE   659 AM EST   SUNSET   537 PM EST     
DECEMBER 13 2025......SUNRISE   700 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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