205  
CDUS42 KKEY 182124  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
424 PM EST WED DEC 18 2024  
   
...............................  
 
   
..THE MARATHON CLIMATE SUMMARY FOR DECEMBER 18 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 82 158 PM 88 2016 78 4 75  
MINIMUM 75 722 AM 50 1982 67 8 65  
AVERAGE 79 72 7 70  
 
PRECIPITATION (IN)  
TODAY 0.03 0.79 2009 0.08 -0.05 0.00  
MONTH TO DATE 0.13 1.40 -1.27 3.37  
SINCE DEC 1 0.13 1.40 -1.27 3.37  
SINCE JAN 1 46.73 38.92 7.81 47.35  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 5 -5 0  
SINCE DEC 1 0 5 -5 0  
SINCE JUL 1 0 6 -6 0  
 
COOLING  
TODAY 14 8 6 5  
MONTH TO DATE 129 161 -32 161  
SINCE DEC 1 129 161 -32 161  
SINCE JAN 1 5362 5032 330 6031    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 6.8  
 
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 94  
LOWEST 74  
AVERAGE 84  
   
......................................................  
 
THE MARATHON CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 88 2016  
MINIMUM TEMPERATURE (F) 67 49 1950  
 
SUNRISE AND SUNSET  
DECEMBER 18 2024......SUNRISE 703 AM EST SUNSET 539 PM EST  
DECEMBER 19 2024......SUNRISE 704 AM EST SUNSET 540 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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