278  
CDUS42 KKEY 180539  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
139 AM EDT TUE JUN 18 2024  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR JUNE 17 2024
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1950 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 89 309 PM 99 1972 91 -2 95  
MINIMUM 81 903 PM 70 1955 79 2 78  
AVERAGE 85 85 0 87  
 
PRECIPITATION (IN)  
YESTERDAY T 3.29 1968 0.13 -0.13 0.44  
MONTH TO DATE 6.32 2.55 3.77 2.20  
SINCE JUN 1 6.32 2.55 3.77 2.20  
SINCE JAN 1 21.93 12.69 9.24 11.34  
 
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 8 71 -63 44  
 
COOLING  
YESTERDAY 20 20 0 22  
MONTH TO DATE 327 325 2 345  
SINCE JUN 1 327 325 2 345  
SINCE JAN 1 2093 1948 145 2538    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 15.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88  
LOWEST 68  
AVERAGE 78  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 91 95 2010  
MINIMUM TEMPERATURE (F) 79 70 1992  
 
SUNRISE AND SUNSET  
JUNE 18 2024..........SUNRISE 636 AM EDT SUNSET 816 PM EDT  
JUNE 19 2024..........SUNRISE 636 AM EDT SUNSET 816 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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