998  
CDUS42 KKEY 290535  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
135 AM EDT TUE SEP 29 2026  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR SEPTEMBER 28 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 86 154 PM 95 2006 89 -3 89  
MINIMUM 78 624 AM 66 1954 78 0 74  
AVERAGE 82 83 -1 82  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 5.92 1953 0.21 -0.21 0.83  
MONTH TO DATE 2.21 5.94 -3.73 9.26  
SINCE SEP 1 2.21 5.94 -3.73 9.26  
SINCE JAN 1 18.08 29.40 -11.32 25.86  
 
DEGREE DAYS  
HEATING  
YESTERDAY 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  
YESTERDAY 17 18 -1 17  
MONTH TO DATE 550 539 11 509  
SINCE SEP 1 550 539 11 509  
SINCE JAN 1 4023 4009 14 4057    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 5.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79  
LOWEST 60  
AVERAGE 70  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 91 1972  
1992  
2002  
MINIMUM TEMPERATURE (F) 78 71 1951  
2001  
 
SUNRISE AND SUNSET  
SEPTEMBER 29 2026.....SUNRISE 716 AM EDT SUNSET 713 PM EDT  
SEPTEMBER 30 2026.....SUNRISE 716 AM EDT SUNSET 712 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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