508  
CDUS42 KKEY 020528  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
1228 AM EST TUE JAN 02 2024  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR JANUARY 1 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 86 2008 76 MM 83  
MINIMUM MM MM 49 1984 65 MM 69  
AVERAGE MM 71 MM 76  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.09 1987 0.05 -0.05 0.00  
MONTH TO DATE 0.00 0.05 -0.05 0.00  
SINCE DEC 1 8.58 2.25 6.33 3.24  
SINCE JAN 1 0.00 0.05 -0.05 0.00  
 
DEGREE DAYS  
HEATING  
YESTERDAY MM 1 MM 0  
MONTH TO DATE MM 1 MM 0  
SINCE DEC 1 1 18 -17 28  
SINCE JUL 1 1 19 -18 28  
 
COOLING  
YESTERDAY MM 7 MM 11  
MONTH TO DATE MM 7 MM 11  
SINCE DEC 1 208 263 -55 327  
SINCE JAN 1 MM 7 MM 11    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 6.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
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) 76 86 1973  
MINIMUM TEMPERATURE (F) 65 49 2008  
 
SUNRISE AND SUNSET  
JANUARY 2 2024.......SUNRISE 709 AM EST SUNSET 548 PM EST  
JANUARY 3 2024.......SUNRISE 709 AM EST SUNSET 548 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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