609  
CDUS42 KKEY 240528  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
1228 AM EST WED JAN 24 2024  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR JANUARY 23 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 2023 76 MM 86  
MINIMUM MM MM 41 1985 64 MM 72  
AVERAGE MM 70 MM 79  
 
PRECIPITATION (IN)  
YESTERDAY T 7.01 1983 0.06 -0.06 0.00  
MONTH TO DATE 1.04 1.11 -0.07 0.13  
SINCE DEC 1 9.62 3.31 6.31 3.37  
SINCE JAN 1 1.04 1.11 -0.07 0.13  
 
DEGREE DAYS  
HEATING  
YESTERDAY MM 1 MM 0  
MONTH TO DATE 0 23 -23 16  
SINCE DEC 1 3 40 -37 44  
SINCE JUL 1 3 41 -38 44  
 
COOLING  
YESTERDAY MM 6 MM 14  
MONTH TO DATE 145 141 4 205  
SINCE DEC 1 359 397 -38 521  
SINCE JAN 1 145 141 4 205    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 11.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST MM  
LOWEST MM  
AVERAGE MM  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 85 2019  
MINIMUM TEMPERATURE (F) 64 41 2003  
 
SUNRISE AND SUNSET  
JANUARY 24 2024.......SUNRISE 709 AM EST SUNSET 604 PM EST  
JANUARY 25 2024.......SUNRISE 709 AM EST SUNSET 604 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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