400  
CDUS42 KKEY 242117  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
417 PM EST SUN DEC 24 2023  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR DECEMBER 24 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1950 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM MM MM 85 2016 77 MM 68  
MINIMUM MM MM 37 1989 66 MM 53  
AVERAGE MM 72 MM 61  
 
PRECIPITATION (IN)  
TODAY 0.03 1.90 1959 0.06 -0.03 0.00  
MONTH TO DATE 3.40 1.81 1.59 2.84  
SINCE DEC 1 3.40 1.81 1.59 2.84  
SINCE JAN 1 47.38 39.33 8.05 34.33  
 
DEGREE DAYS  
HEATING  
TODAY MM 1 MM 4  
MONTH TO DATE 1 10 -9 4  
SINCE DEC 1 1 10 -9 4  
SINCE JUL 1 1 11 -10 4  
 
COOLING  
TODAY MM 7 MM 0  
MONTH TO DATE 181 207 -26 284  
SINCE DEC 1 181 207 -26 284  
SINCE JAN 1 6051 5078 973 5766    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 12.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST MM  
LOWEST MM  
AVERAGE MM  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 83 2011  
2015  
2016  
MINIMUM TEMPERATURE (F) 66 37 1989  
 
SUNRISE AND SUNSET  
DECEMBER 24 2023......SUNRISE 706 AM EST SUNSET 542 PM EST  
DECEMBER 25 2023......SUNRISE 706 AM EST SUNSET 543 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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