722  
CDUS42 KKEY 162129  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
429 PM EST MON DEC 16 2024  
   
...............................  
 
   
..THE MARATHON CLIMATE SUMMARY FOR DECEMBER 16 2024  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1950 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 80 212 PM 84 2009 78 2 75  
2019  
2021  
MINIMUM 70 637 AM 45 1968 68 2 69  
AVERAGE 75 73 2 72  
 
PRECIPITATION (IN)  
TODAY 0.00 1.34 2023 0.08 -0.08 1.34  
MONTH TO DATE 0.04 1.25 -1.21 2.81  
SINCE DEC 1 0.04 1.25 -1.21 2.81  
SINCE JAN 1 46.64 38.77 7.87 46.79  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1 0  
MONTH TO DATE 0 4 -4 0  
SINCE DEC 1 0 4 -4 0  
SINCE JUL 1 0 5 -5 0  
 
COOLING  
TODAY 10 8 2 7  
MONTH TO DATE 101 145 -44 148  
SINCE DEC 1 101 145 -44 148  
SINCE JAN 1 5334 5016 318 6018    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 9.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93  
LOWEST 74  
AVERAGE 84  
   
......................................................  
 
THE MARATHON CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 86 1971  
2016  
MINIMUM TEMPERATURE (F) 68 49 1952  
 
SUNRISE AND SUNSET  
DECEMBER 16 2024......SUNRISE 702 AM EST SUNSET 539 PM EST  
DECEMBER 17 2024......SUNRISE 702 AM EST SUNSET 539 PM EST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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