701  
CDUS42 KKEY 190530  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
1230 AM EST THU DEC 19 2024  
   
...............................  
 
   
..THE MARATHON CLIMATE SUMMARY FOR DECEMBER 18 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 82 158 PM 88 2016 78 4 75  
MINIMUM 74 1133 PM 50 1982 67 7 65  
AVERAGE 78 72 6 70  
 
PRECIPITATION (IN)  
YESTERDAY 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  
YESTERDAY 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  
YESTERDAY 13 8 5 5  
MONTH TO DATE 128 161 -33 161  
SINCE DEC 1 128 161 -33 161  
SINCE JAN 1 5361 5032 329 6031    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 5.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94  
LOWEST 74  
AVERAGE 84  
   
......................................................  
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 88 2016  
MINIMUM TEMPERATURE (F) 67 49 1950  
 
SUNRISE AND SUNSET  
DECEMBER 19 2024......SUNRISE 704 AM EST SUNSET 540 PM EST  
DECEMBER 20 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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