740   
CDUS42 KKEY 172024  
CLIMTH  
  
CLIMATE REPORT   
NATIONAL WEATHER SERVICE KEY WEST FL  
424 PM EDT SAT MAY 17 2025  
   
...............................  
  
   
..THE MARATHON CLIMATE SUMMARY FOR MAY 17 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         86    247 PM  94    2010  88     -2       89         
  MINIMUM         80    412 AM  63    1951  76      4       83         
  AVERAGE         83                        82      1       86       
  
PRECIPITATION (IN)                                                      
  TODAY            0.00          1.49 2012   0.10  -0.10     0.00       
  MONTH TO DATE    1.71                      1.61   0.10      T         
  SINCE MAR 1      2.32                      5.05  -2.73     4.53       
  SINCE JAN 1      4.82                      8.39  -3.57     8.50       
  
DEGREE DAYS                                                             
 HEATING                                                                
  TODAY            0                         0      0        0          
  MONTH TO DATE    0                         0      0        0          
  SINCE MAR 1      0                         5     -5        0          
  SINCE JUL 1     31                        71    -40        8          
  
 COOLING                                                                
  TODAY           18                        17      1       21          
  MONTH TO DATE  282                       270     12      313          
  SINCE MAR 1    982                       971     11     1078          
  SINCE JAN 1   1404                      1377     27     1483           
...............................................................  
  
WIND (MPH)                                                              
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION    SE (150)         
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     S (170)         
  AVERAGE WIND SPEED     8.1                                          
  
SKY COVER                                                               
  POSSIBLE SUNSHINE  MM                                                   
  AVERAGE SKY COVER 0.1                                                   
  
WEATHER CONDITIONS                                                      
THE FOLLOWING WEATHER WAS RECORDED TODAY.                               
  NO SIGNIFICANT WEATHER WAS OBSERVED.                                    
  
RELATIVE HUMIDITY (PERCENT)  
 HIGHEST    82                                                          
 LOWEST     65                                                          
 AVERAGE    74                                                          
   
......................................................  
  
THE MARATHON CLIMATE NORMALS FOR TOMORROW  
                         NORMAL    RECORD    YEAR                       
 MAXIMUM TEMPERATURE (F)   88        94      1989                        
 MINIMUM TEMPERATURE (F)   76        69      1951                        
                                             1955                       
                                             2001                       
  
SUNRISE AND SUNSET                                                      
MAY 17 2025...........SUNRISE   639 AM EDT   SUNSET   802 PM EDT       
MAY 18 2025...........SUNRISE   639 AM EDT   SUNSET   803 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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