873  
CDUS42 KKEY 190530  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
130 AM EDT THU JUN 19 2025  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR JUNE 18 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 89 259 PM 95 2010 91 -2 89  
MINIMUM 83 558 AM 70 1992 79 4 81  
AVERAGE 86 85 1 85  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 4.22 1972 0.12 -0.12 0.04  
MONTH TO DATE 4.95 2.67 2.28 6.36  
SINCE JUN 1 4.95 2.67 2.28 6.36  
SINCE JAN 1 10.39 12.81 -2.42 21.97  
 
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 31 71 -40 8  
 
COOLING  
YESTERDAY 21 20 1 20  
MONTH TO DATE 341 345 -4 347  
SINCE JUN 1 341 345 -4 347  
SINCE JAN 1 2025 1968 57 2113    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 11.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80  
LOWEST 66  
AVERAGE 73  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 91 95 2010  
MINIMUM TEMPERATURE (F) 79 70 1995  
 
SUNRISE AND SUNSET  
JUNE 19 2025..........SUNRISE 636 AM EDT SUNSET 816 PM EDT  
JUNE 20 2025..........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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