108  
CDUS42 KKEY 200528  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
1228 AM EST SAT JAN 20 2024  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR JANUARY 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 MM MM 84 2008 76 MM 83  
MINIMUM MM MM 45 1997 64 MM 71  
AVERAGE MM 70 MM 77  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.78 1986 0.05 -0.05 0.00  
MONTH TO DATE 1.04 0.87 0.17 0.13  
SINCE DEC 1 9.62 3.07 6.55 3.37  
SINCE JAN 1 1.04 0.87 0.17 0.13  
 
DEGREE DAYS  
HEATING  
YESTERDAY MM 1 MM 0  
MONTH TO DATE MM 19 MM 16  
SINCE DEC 1 3 36 -33 44  
SINCE JUL 1 3 37 -34 44  
 
COOLING  
YESTERDAY MM 6 MM 12  
MONTH TO DATE MM 117 MM 155  
SINCE DEC 1 214 373 -159 471  
SINCE JAN 1 MM 117 MM 155    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 4.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST MM  
LOWEST MM  
AVERAGE MM  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 87 1987  
MINIMUM TEMPERATURE (F) 64 41 1971  
 
SUNRISE AND SUNSET  
JANUARY 20 2024.......SUNRISE 710 AM EST SUNSET 601 PM EST  
JANUARY 21 2024.......SUNRISE 710 AM EST SUNSET 601 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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