234  
CDUS42 KKEY 200539  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
1239 AM EST FRI DEC 20 2024  
   
...............................  
 
   
..THE MARATHON CLIMATE SUMMARY FOR DECEMBER 19 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 76 841 AM 88 2016 78 -2 69  
MINIMUM 71 801 PM 49 1950 67 4 59  
AVERAGE 74 72 2 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.23 1965 0.07 -0.07 0.00  
MONTH TO DATE 0.13 1.47 -1.34 3.37  
SINCE DEC 1 0.13 1.47 -1.34 3.37  
SINCE JAN 1 46.73 38.99 7.74 47.35  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 1  
MONTH TO DATE 0 5 -5 1  
SINCE DEC 1 0 5 -5 1  
SINCE JUL 1 0 6 -6 1  
 
COOLING  
YESTERDAY 9 8 1 0  
MONTH TO DATE 137 169 -32 161  
SINCE DEC 1 137 169 -32 161  
SINCE JAN 1 5370 5040 330 6031    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 5.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97  
LOWEST 87  
AVERAGE 92  
   
......................................................  
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 87 2018  
MINIMUM TEMPERATURE (F) 67 49 1950  
1996  
 
SUNRISE AND SUNSET  
DECEMBER 20 2024......SUNRISE 704 AM EST SUNSET 540 PM EST  
DECEMBER 21 2024......SUNRISE 705 AM EST SUNSET 541 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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