428  
CDUS42 KKEY 180528  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
128 AM EDT THU JUN 18 2026  
   
...............................  
 
   
..THE MARATHON CLIMATE SUMMARY FOR JUNE 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 88 240 PM 95 2023 91 -3 89  
MINIMUM 84 700 AM 70 1955 79 5 83  
AVERAGE 86 85 1 86  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 3.29 1968 0.13 -0.13 0.01  
MONTH TO DATE 1.41 2.55 -1.14 4.95  
SINCE JUN 1 1.41 2.55 -1.14 4.95  
SINCE JAN 1 12.26 12.69 -0.43 10.39  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 0 0 0 0  
SINCE JUL 1 112 71 41 31  
 
COOLING  
YESTERDAY 21 20 1 21  
MONTH TO DATE 312 325 -13 320  
SINCE JUN 1 312 325 -13 320  
SINCE JAN 1 1884 1948 -64 2004    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 7.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82  
LOWEST 75  
AVERAGE 79  
   
......................................................  
 
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 2026..........SUNRISE 635 AM EDT SUNSET 816 PM EDT  
JUNE 19 2026..........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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