CDUS42 KKEY 202132

CLIMTH



CLIMATE REPORT 

NATIONAL WEATHER SERVICE KEY WEST FL

532 PM EDT SUN SEP 20 2026



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



...THE MARATHON CLIMATE SUMMARY FOR SEPTEMBER 20 2026...

VALID TODAY AS OF 0500 PM LOCAL TIME.



CLIMATE NORMAL PERIOD 1991 TO 2020

CLIMATE RECORD PERIOD 1950 TO 2026





WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      

                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     

                                                  NORMAL           

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

TEMPERATURE (F)                                                          

 TODAY                                                               

  MAXIMUM         88    210 PM  95    1987  90     -2       90       

                                      2023                           

  MINIMUM         77    341 AM  69    1956  78     -1       76       

  AVERAGE         83                        84     -1       83     



PRECIPITATION (IN)                                                    

  TODAY            0.06          2.08 1962   0.24  -0.18     0.11     

  MONTH TO DATE    1.52                      4.20  -2.68     7.19     

  SINCE SEP 1      1.52                      4.20  -2.68     7.19     

  SINCE JAN 1     17.39                     27.66 -10.27    23.79     



DEGREE DAYS                                                           

 HEATING                                                              

  TODAY            0                         0      0        0        

  MONTH TO DATE    0                         0      0        0        

  SINCE SEP 1      0                         0      0        0        

  SINCE JUL 1      0                         0      0        0        



 COOLING                                                              

  TODAY           18                        19     -1       18        

  MONTH TO DATE  409                       390     19      356        

  SINCE SEP 1    409                       390     19      356        

  SINCE JAN 1   3882                      3860     22     3904        

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





WIND (MPH)                                                            

  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     E (110)       

  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     E (110)       

  AVERAGE WIND SPEED     4.2                                        





SKY COVER                                                             

  POSSIBLE SUNSHINE  MM                                                 

  AVERAGE SKY COVER 0.1                                                 





WEATHER CONDITIONS                                                    

THE FOLLOWING WEATHER WAS RECORDED TODAY.                             

  THUNDERSTORM                                                        

  RAIN                                                                





RELATIVE HUMIDITY (PERCENT)

 HIGHEST    87                                                        

 LOWEST     63                                                        

 AVERAGE    75                                                        



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





THE MARATHON CLIMATE NORMALS FOR TOMORROW

                         NORMAL    RECORD    YEAR                     

 MAXIMUM TEMPERATURE (F)   90        96      1987                      

 MINIMUM TEMPERATURE (F)   78        70      1956                      

                                             1959                     





SUNRISE AND SUNSET                                                    

SEPTEMBER 20 2026.....SUNRISE   712 AM EDT   SUNSET   723 PM EDT     

SEPTEMBER 21 2026.....SUNRISE   713 AM EDT   SUNSET722 PM EDT     





-  INDICATES NEGATIVE NUMBERS.

R  INDICATES RECORD WAS SET OR TIED.

MM INDICATES DATA IS MISSING.

T  INDICATES TRACE AMOUNT.









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