275  
CDUS42 KKEY 240529  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
1229 AM EST SUN DEC 24 2023  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR DECEMBER 23 2023
 
 
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)  
YESTERDAY  
MAXIMUM MM MM 84 2006 77 MM 80  
2013  
2015  
MINIMUM MM MM 52 1954 67 MM 68  
1960  
AVERAGE MM 72 MM 74  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.68 2019 0.07 -0.07 0.03  
MONTH TO DATE 3.37 1.75 1.62 2.84  
SINCE DEC 1 3.37 1.75 1.62 2.84  
SINCE JAN 1 47.35 39.27 8.08 34.33  
 
DEGREE DAYS  
HEATING  
YESTERDAY MM 1 MM 0  
MONTH TO DATE 1 9 -8 0  
SINCE DEC 1 1 9 -8 0  
SINCE JUL 1 1 10 -9 0  
 
COOLING  
YESTERDAY MM 7 MM 9  
MONTH TO DATE 173 200 -27 284  
SINCE DEC 1 173 200 -27 284  
SINCE JAN 1 6043 5071 972 5766    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 9.6  
 
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 MM  
LOWEST MM  
AVERAGE MM  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 85 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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