714  
CDUS42 KKEY 160529  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
1229 AM EST TUE JAN 16 2024  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR JANUARY 15 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 2017 76 MM 61  
MINIMUM MM MM 41 1964 64 MM 50  
AVERAGE MM 70 MM 56  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.70 1997 0.04 -0.04 0.00  
MONTH TO DATE 0.82 0.67 0.15 0.13  
SINCE DEC 1 9.40 2.87 6.53 3.37  
SINCE JAN 1 0.82 0.67 0.15 0.13  
 
DEGREE DAYS  
HEATING  
YESTERDAY MM 1 MM 9  
MONTH TO DATE MM 15 MM 12  
SINCE DEC 1 3 32 -29 40  
SINCE JUL 1 3 33 -30 40  
 
COOLING  
YESTERDAY MM 6 MM 0  
MONTH TO DATE MM 93 MM 128  
SINCE DEC 1 214 349 -135 444  
SINCE JAN 1 MM 93 MM 128    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 7.6  
 
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) 76 84 1960  
1989  
2017  
MINIMUM TEMPERATURE (F) 64 50 1956  
 
SUNRISE AND SUNSET  
JANUARY 16 2024.......SUNRISE 711 AM EST SUNSET 558 PM EST  
JANUARY 17 2024.......SUNRISE 710 AM EST SUNSET 558 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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