749   
CDUS42 KKEY 222026  
CLIMTH  
  
CLIMATE REPORT   
NATIONAL WEATHER SERVICE KEY WEST FL  
426 PM EDT MON SEP 22 2025  
   
...............................  
  
   
..THE MARATHON CLIMATE SUMMARY FOR SEPTEMBER 22 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         MM        MM  94    1987  89     MM       92          
  MINIMUM         MM        MM  66    1959  78     MM       78          
  AVERAGE         MM                        84     MM       85         
  
PRECIPITATION (IN)                                                      
  TODAY            0.03          4.70 1959   0.23  -0.20     0.04       
  MONTH TO DATE    7.25                      4.66   2.59     1.74       
  SINCE SEP 1      7.25                      4.66   2.59     1.74       
  SINCE JAN 1     23.85                     28.12  -4.27    36.87       
  
DEGREE DAYS                                                             
 HEATING                                                                
  TODAY           MM                         0     MM        0          
  MONTH TO DATE    0                         0      0        0          
  SINCE SEP 1      0                         0      0        0          
  SINCE JUL 1      0                         0      0        0          
  
 COOLING                                                                
  TODAY           MM                        19     MM       20          
  MONTH TO DATE  272                       428   -156      474          
  SINCE SEP 1    272                       428   -156      474          
  SINCE JAN 1   3820                      3898    -78     4142           
...............................................................  
  
WIND (MPH)                                                              
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    SE (130)         
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION    SE (120)         
  AVERAGE WIND SPEED     6.8                                          
  
SKY COVER                                                               
  POSSIBLE SUNSHINE  MM                                                   
  AVERAGE SKY COVER 0.3                                                   
  
WEATHER CONDITIONS                                                      
THE FOLLOWING WEATHER WAS RECORDED TODAY.                               
  THUNDERSTORM                                                          
  RAIN                                                                  
  LIGHT RAIN                                                            
  
RELATIVE HUMIDITY (PERCENT)  
 HIGHEST    MM                                                          
 LOWEST     MM                                                          
 AVERAGE    MM                                                          
   
......................................................  
  
THE MARATHON CLIMATE NORMALS FOR TOMORROW  
                         NORMAL    RECORD    YEAR                       
 MAXIMUM TEMPERATURE (F)   89        93      1951                        
                                             2020                       
 MINIMUM TEMPERATURE (F)   78        70      1953                        
  
SUNRISE AND SUNSET                                                      
SEPTEMBER 22 2025.....SUNRISE   713 AM EDT   SUNSET   720 PM EDT       
SEPTEMBER 23 2025.....SUNRISE   713 AM EDT   SUNSET   719 PM EDT       
  
-  INDICATES NEGATIVE NUMBERS.  
R  INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T  INDICATES TRACE AMOUNT.  
  
  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab FL Page
Main Text Page