709  
CDUS42 KKEY 180530  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
1230 AM EST THU JAN 18 2024  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR JANUARY 17 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 79  
MINIMUM MM MM 52 1958 64 MM 63  
2014  
AVERAGE MM 70 MM 71  
 
PRECIPITATION (IN)  
YESTERDAY 0.06 1.35 2011 0.05 0.01 0.00  
MONTH TO DATE 1.04 0.77 0.27 0.13  
SINCE DEC 1 9.62 2.97 6.65 3.37  
SINCE JAN 1 1.04 0.77 0.27 0.13  
 
DEGREE DAYS  
HEATING  
YESTERDAY MM 1 MM 0  
MONTH TO DATE MM 17 MM 16  
SINCE DEC 1 3 34 -31 44  
SINCE JUL 1 3 35 -32 44  
 
COOLING  
YESTERDAY MM 6 MM 6  
MONTH TO DATE MM 105 MM 134  
SINCE DEC 1 214 361 -147 450  
SINCE JAN 1 MM 105 MM 134    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 10.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
RAIN  
LIGHT RAIN  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST MM  
LOWEST MM  
AVERAGE MM  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 85 2017  
MINIMUM TEMPERATURE (F) 64 46 1965  
 
SUNRISE AND SUNSET  
JANUARY 18 2024.......SUNRISE 710 AM EST SUNSET 559 PM EST  
JANUARY 19 2024.......SUNRISE 710 AM EST SUNSET 600 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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