140  
CDUS42 KKEY 190633  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
133 AM EST MON JAN 19 2026  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR JANUARY 18 2026
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1950 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM MM MM 85 2017 76 MM 78  
2024  
MINIMUM MM MM 46 1965 64 MM 72  
AVERAGE MM 70 MM 75  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 1.72 1970 0.05 -0.04 T  
MONTH TO DATE 0.42 0.82 -0.40 0.25  
SINCE DEC 1 1.84 3.02 -1.18 3.03  
SINCE JAN 1 0.42 0.82 -0.40 0.25  
 
DEGREE DAYS  
HEATING  
YESTERDAY MM 1 MM 0  
MONTH TO DATE 12 18 -6 13  
SINCE DEC 1 18 35 -17 14  
SINCE JUL 1 23 36 -13 14  
 
COOLING  
YESTERDAY MM 6 MM 10  
MONTH TO DATE 112 111 1 80  
SINCE DEC 1 414 367 47 310  
SINCE JAN 1 112 111 1 80    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 6.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78  
LOWEST 70  
AVERAGE 74  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 84 2008  
MINIMUM TEMPERATURE (F) 64 45 1997  
 
SUNRISE AND SUNSET  
JANUARY 19 2026.......SUNRISE 710 AM EST SUNSET 600 PM EST  
JANUARY 20 2026.......SUNRISE 710 AM EST SUNSET 601 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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