218  
CDUS42 KKEY 100536  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
1236 AM EST TUE DEC 10 2024  
   
...............................  
 
   
..THE MARATHON CLIMATE SUMMARY FOR DECEMBER 9 2024  
 
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)  
YESTERDAY  
MAXIMUM 81 229 PM 86 1972 79 2 84  
MINIMUM 73 710 AM 53 2010 69 4 73  
AVERAGE 77 74 3 79  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.86 2017 0.08 -0.08 0.09  
MONTH TO DATE 0.00 0.69 -0.69 0.10  
SINCE DEC 1 0.00 0.69 -0.69 0.10  
SINCE JAN 1 46.60 38.21 8.39 44.08  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JUL 1 0 1 -1 0  
 
COOLING  
YESTERDAY 12 9 3 14  
MONTH TO DATE 42 84 -42 103  
SINCE DEC 1 42 84 -42 103  
SINCE JAN 1 5275 4955 320 5973    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 9.3  
 
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 74  
LOWEST 56  
AVERAGE 65  
   
......................................................  
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 86 1971  
2004  
2019  
MINIMUM TEMPERATURE (F) 69 52 2014  
 
SUNRISE AND SUNSET  
DECEMBER 10 2024......SUNRISE 658 AM EST SUNSET 537 PM EST  
DECEMBER 11 2024......SUNRISE 659 AM EST SUNSET 537 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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