830  
CDUS42 KKEY 062121  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
421 PM EST SAT JAN 06 2024  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR JANUARY 6 2024
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM MM MM 84 1972 76 MM 78  
2013  
2017  
MINIMUM MM MM 46 2010 64 MM 69  
AVERAGE MM 70 MM 74  
 
PRECIPITATION (IN)  
TODAY MM 0.40 2016 0.05 MM 0.00  
MONTH TO DATE T 0.29 -0.29 0.01  
SINCE DEC 1 8.58 2.49 6.09 3.25  
SINCE JAN 1 T 0.29 -0.29 0.01  
 
DEGREE DAYS  
HEATING  
TODAY MM 1 MM 0  
MONTH TO DATE 0 6 -6 0  
SINCE DEC 1 3 23 -20 28  
SINCE JUL 1 3 24 -21 28  
 
COOLING  
TODAY MM 6 MM 9  
MONTH TO DATE 7 39 -32 76  
SINCE DEC 1 221 295 -74 392  
SINCE JAN 1 7 39 -32 76    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED MM HIGHEST WIND DIRECTION MM  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED MM  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER MM  
 
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) 76 87 2017  
MINIMUM TEMPERATURE (F) 64 47 2010  
 
SUNRISE AND SUNSET  
JANUARY 6 2024.......SUNRISE 710 AM EST SUNSET 550 PM EST  
JANUARY 7 2024.......SUNRISE 710 AM EST SUNSET 551 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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