457  
CDUS42 KKEY 140550  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
1250 AM EST SUN JAN 14 2024  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR JANUARY 13 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 MM MM 85 2019 76 MM 83  
MINIMUM MM MM 49 2010 64 MM 65  
2011  
AVERAGE MM 70 MM 74  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.32 1991 0.04 -0.04 0.09  
MONTH TO DATE 0.82 0.58 0.24 0.13  
SINCE DEC 1 9.40 2.78 6.62 3.37  
SINCE JAN 1 0.82 0.58 0.24 0.13  
 
DEGREE DAYS  
HEATING  
YESTERDAY MM 1 MM 0  
MONTH TO DATE MM 13 MM 0  
SINCE DEC 1 3 30 -27 28  
SINCE JUL 1 3 31 -28 28  
 
COOLING  
YESTERDAY MM 6 MM 9  
MONTH TO DATE MM 81 MM 128  
SINCE DEC 1 214 337 -123 444  
SINCE JAN 1 MM 81 MM 128    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 8.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST MM  
LOWEST MM  
AVERAGE MM  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 85 1972  
MINIMUM TEMPERATURE (F) 64 47 1983  
 
SUNRISE AND SUNSET  
JANUARY 14 2024.......SUNRISE 711 AM EST SUNSET 556 PM EST  
JANUARY 15 2024.......SUNRISE 711 AM EST SUNSET 557 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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