139   
CDUS42 KKEY 050527  
CLIMTH  
  
CLIMATE REPORT   
NATIONAL WEATHER SERVICE KEY WEST FL  
127 AM EDT FRI SEP 05 2025  
   
...............................  
  
   
..THE MARATHON CLIMATE SUMMARY FOR SEPTEMBER 4 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         86    943 AM  95    2002  91     -5       91         
  MINIMUM         75    459 AM  66    1953  79     -4       81         
  AVERAGE         81                        85     -4       86       
  
PRECIPITATION (IN)                                                      
  YESTERDAY        1.00          2.15 2010   0.20   0.80     0.41       
  MONTH TO DATE    2.19                      0.80   1.39     0.42       
  SINCE SEP 1      2.19                      0.80   1.39     0.42       
  SINCE JAN 1     18.79                     24.26  -5.47    35.55       
  
DEGREE DAYS                                                             
 HEATING                                                                
  YESTERDAY        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                                                                
  YESTERDAY       16                        20     -4       21          
  MONTH TO DATE   71                        80     -9       83          
  SINCE SEP 1     71                        80     -9       83          
  SINCE JAN 1   3619                      3550     69     3751           
...............................................................  
  
WIND (MPH)                                                              
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    SW (240)         
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION    SW (230)         
  AVERAGE WIND SPEED     5.4                                          
  
SKY COVER                                                               
  POSSIBLE SUNSHINE  MM                                                   
  AVERAGE SKY COVER 0.5                                                   
  
WEATHER CONDITIONS                                                      
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                           
  THUNDERSTORM                                                          
  HEAVY RAIN                                                            
  RAIN                                                                  
  LIGHT RAIN                                                            
  FOG                                                                   
  
RELATIVE HUMIDITY (PERCENT)  
 HIGHEST    94                                                          
 LOWEST     82                                                          
 AVERAGE    88                                                          
   
......................................................  
  
THE MARATHON CLIMATE NORMALS FOR TODAY  
                         NORMAL    RECORD    YEAR                       
 MAXIMUM TEMPERATURE (F)   91        94      2001                        
                                             2007                       
                                             2022                       
 MINIMUM TEMPERATURE (F)   79        69      1953                        
  
SUNRISE AND SUNSET                                                      
SEPTEMBER  5 2025.....SUNRISE   707 AM EDT   SUNSET   738 PM EDT       
SEPTEMBER  6 2025.....SUNRISE   707 AM EDT   SUNSET   737 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