878  
CDUS42 KKEY 152136  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
536 PM EDT THU OCT 15 2026  
   
...............................  
 
   
..THE MARATHON CLIMATE SUMMARY FOR OCTOBER 15 2026  
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 89 301 PM 91 1971 87 2 85  
2002  
2014  
MINIMUM 79 659 AM 66 1996 76 3 76  
AVERAGE 84 81 3 81  
 
PRECIPITATION (IN)  
TODAY 0.05 5.89 1999 0.20 -0.15 0.00  
MONTH TO DATE 0.92 3.28 -2.36 6.48  
SINCE SEP 1 5.90 9.65 -3.75 15.74  
SINCE JAN 1 21.77 33.11 -11.34 32.34  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 19 16 3 16  
MONTH TO DATE 296 260 36 251  
SINCE SEP 1 875 834 41 799  
SINCE JAN 1 4348 4304 44 4347    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 10.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90  
LOWEST 61  
AVERAGE 76  
   
......................................................  
 
THE MARATHON CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 93 2009  
MINIMUM TEMPERATURE (F) 76 63 1955  
 
SUNRISE AND SUNSET  
OCTOBER 15 2026.......SUNRISE 722 AM EDT SUNSET 657 PM EDT  
OCTOBER 16 2026.......SUNRISE 723 AM EDT SUNSET 656 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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