711  
CDUS42 KKEY 310527  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
1227 AM EST WED JAN 31 2024  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR JANUARY 30 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 1991 77 MM 84  
MINIMUM MM MM 46 2022 65 MM 73  
AVERAGE MM 71 MM 79  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.99 1951 0.07 -0.07 0.08  
MONTH TO DATE 1.05 1.57 -0.52 0.53  
SINCE DEC 1 9.63 3.77 5.86 3.77  
SINCE JAN 1 1.05 1.57 -0.52 0.53  
 
DEGREE DAYS  
HEATING  
YESTERDAY MM 1 MM 0  
MONTH TO DATE 0 30 -30 16  
SINCE DEC 1 3 47 -44 44  
SINCE JUL 1 3 48 -45 44  
 
COOLING  
YESTERDAY MM 6 MM 14  
MONTH TO DATE 145 183 -38 285  
SINCE DEC 1 359 439 -80 601  
SINCE JAN 1 145 183 -38 285    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 7.4  
 
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) 77 85 1994  
2023  
MINIMUM TEMPERATURE (F) 65 43 1966  
 
SUNRISE AND SUNSET  
JANUARY 31 2024.......SUNRISE 707 AM EST SUNSET 609 PM EST  
FEBRUARY 1 2024......SUNRISE 707 AM EST SUNSET 609 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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