CDUS42 KKEY 110627

CLIMTH



CLIMATE REPORT 

NATIONAL WEATHER SERVICE KEY WEST FL

127 AM EST THU DEC 11 2025



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



...THE MARATHON CLIMATE SUMMARY FOR DECEMBER 10 2025...



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)                                                          

 YESTERDAY                                                           

  MAXIMUM         77   1221 PM  86    1971  79     -2       82       

                                      2004                           

                                      2019                           

  MINIMUM         71   1159 PM  52    2014  69      2       75       

  AVERAGE         74                        74      0       79     



PRECIPITATION (IN)                                                    

  YESTERDAY        0.00          3.39 1952   0.08  -0.08      T       

  MONTH TO DATE    0.73                      0.77  -0.04      T       

  SINCE DEC 1      0.73                      0.77  -0.04      T       

  SINCE JAN 1     37.69                     38.29  -0.60    46.60     



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      5                         1      4        0        



 COOLING                                                              

  YESTERDAY        9                         9      0       14        

  MONTH TO DATE  108                        93     15       56        

  SINCE DEC 1    108                        93     15       56        

  SINCE JAN 1   5003                      4964     39     5289        

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





WIND (MPH)                                                            

  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    NW (320)       

  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    NW (330)       

  AVERAGE WIND SPEED     7.4                                        





SKY COVER                                                             

  POSSIBLE SUNSHINE  MM                                                 

  AVERAGE SKY COVER 0.6                                                 





WEATHER CONDITIONS                                                    

THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         

  NO SIGNIFICANT WEATHER WAS OBSERVED.                                  





RELATIVE HUMIDITY (PERCENT)

 HIGHEST    94                                                        

 LOWEST     82                                                        

 AVERAGE    88                                                        



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





THE MARATHON CLIMATE NORMALS FOR TODAY

                         NORMAL    RECORD    YEAR                     

 MAXIMUM TEMPERATURE (F)   79        86      1994                      

                                             2012                     

 MINIMUM TEMPERATURE (F)   68        49      1962                      

                                             2014                     





SUNRISE AND SUNSET                                                    

DECEMBER 11 2025......SUNRISE   659 AM EST   SUNSET   537 PM EST     

DECEMBER 12 2025......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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