302   
CDUS42 KKEY 200546  
CLIMTH  
  
CLIMATE REPORT   
NATIONAL WEATHER SERVICE KEY WEST FL  
146 AM EDT SUN JUL 20 2025  
   
...............................  
  
   
..THE MARATHON CLIMATE SUMMARY FOR JULY 19 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         89    409 PM  96    2018  91     -2       90         
                                      2023                             
  MINIMUM         80    332 AM  71    1953  79      1       85         
                                      1972                             
  AVERAGE         85                        85      0       88       
  
PRECIPITATION (IN)                                                      
  YESTERDAY        0.01          1.22 1992   0.13  -0.12     0.00       
  MONTH TO DATE    1.20                      2.22  -1.02     0.84       
  SINCE JUN 1      6.83                      6.45   0.38    10.51       
  SINCE JAN 1     12.27                     16.59  -4.32    26.12       
  
DEGREE DAYS                                                             
 HEATING                                                                
  YESTERDAY        0                         0      0        0          
  MONTH TO DATE    0                         0      0        0          
  SINCE JUN 1      0                         0      0        0          
  SINCE JUL 1      0                         0      0        0          
  
 COOLING                                                                
  YESTERDAY       20                        20      0       23          
  MONTH TO DATE  376                       380     -4      408          
  SINCE JUN 1    955                       962     -7      986          
  SINCE JAN 1   2639                      2585     54     2752           
...............................................................  
  
WIND (MPH)                                                              
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     E (80)          
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION     E (90)          
  AVERAGE WIND SPEED    10.5                                          
  
SKY COVER                                                               
  POSSIBLE SUNSHINE  MM                                                   
  AVERAGE SKY COVER 0.3                                                   
  
WEATHER CONDITIONS                                                      
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                           
  THUNDERSTORM                                                          
  LIGHT RAIN                                                            
  
RELATIVE HUMIDITY (PERCENT)  
 HIGHEST    90                                                          
 LOWEST     63                                                          
 AVERAGE    77                                                          
   
......................................................  
  
THE MARATHON CLIMATE NORMALS FOR TODAY  
                         NORMAL    RECORD    YEAR                       
 MAXIMUM TEMPERATURE (F)   91        98      2023                        
 MINIMUM TEMPERATURE (F)   80        70      1959                        
                                             1972                       
  
SUNRISE AND SUNSET                                                      
JULY 20 2025..........SUNRISE   647 AM EDT   SUNSET   814 PM EDT       
JULY 21 2025..........SUNRISE   647 AM EDT   SUNSET   814 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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