CDUS42 KKEY 180530
CLIMTH

CLIMATE REPORT 
NATIONAL WEATHER SERVICE KEY WEST FL
130 AM EDT MON MAY 18 2026

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

...THE MARATHON CLIMATE SUMMARY FOR MAY 17 2026...

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)                                                          
 YESTERDAY                                                           
  MAXIMUM         86    345 PM  94    2010  88     -2       86        
  MINIMUM         78    512 AM  63    1951  76      2       80        
  AVERAGE         82                        82      0       83     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.14          1.49 2012   0.10   0.04     0.00     
  MONTH TO DATE    3.84                      1.61   2.23     1.71     
  SINCE MAR 1      8.93                      5.05   3.88     2.32     
  SINCE JAN 1      9.80                      8.39   1.41     4.82     

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY        0                         0      0        0        
  MONTH TO DATE    0                         0      0        0        
  SINCE MAR 1      0                         5     -5        0        
  SINCE JUL 1    112                        71     41       31        

 COOLING                                                              
  YESTERDAY       17                        17      0       18        
  MONTH TO DATE  281                       270     11      282        
  SINCE MAR 1   1018                       971     47      982        
  SINCE JAN 1   1320                      1377    -57     1404        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION     E (90)        
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION     E (100)       
  AVERAGE WIND SPEED    12.3                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.3                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  HEAVY RAIN                                                          
  RAIN                                                                
  LIGHT RAIN                                                          
  FOG                                                                 


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87                                                        
 LOWEST     70                                                        
 AVERAGE    79                                                        

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


THE MARATHON CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   88        94      1989                      
 MINIMUM TEMPERATURE (F)   76        69      1951                      
                                             1955                     
                                             2001                     


SUNRISE AND SUNSET                                                    
MAY 18 2026...........SUNRISE   639 AM EDT   SUNSET   803 PM EDT     
MAY 19 2026...........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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