256  
CDUS42 KKEY 170528  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
128 AM EDT FRI OCT 17 2025  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR OCTOBER 16 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 84 322 PM 93 2009 86 -2 84  
MINIMUM 76 712 AM 63 1955 76 0 75  
AVERAGE 80 81 -1 80  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.07 1991 0.19 -0.19 0.05  
MONTH TO DATE 6.48 3.47 3.01 6.09  
SINCE SEP 1 15.74 9.84 5.90 9.27  
SINCE JAN 1 32.34 33.30 -0.96 44.40  
 
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 15 16 -1 15  
MONTH TO DATE 203 276 -73 285  
SINCE SEP 1 751 850 -99 921  
SINCE JAN 1 4299 4320 -21 4589    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 8.0  
 
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 85  
LOWEST 63  
AVERAGE 74  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 91 1971  
MINIMUM TEMPERATURE (F) 76 63 1954  
 
SUNRISE AND SUNSET  
OCTOBER 17 2025.......SUNRISE 723 AM EDT SUNSET 655 PM EDT  
OCTOBER 18 2025.......SUNRISE 724 AM EDT SUNSET 655 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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