677  
CDUS42 KKEY 012117  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
417 PM EST FRI DEC 01 2023  
   
...............................  
 
   
..THE MARATHON CLIMATE SUMMARY FOR DECEMBER 1 2023  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1950 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 86 1227 PM 88 1986 80 6 85  
2016  
MINIMUM 72 351 AM 52 1957 69 3 76  
AVERAGE 79 74 5 81  
 
PRECIPITATION (IN)  
TODAY 0.00 0.73 2010 0.07 -0.07 0.05  
MONTH TO DATE 0.00 0.07 -0.07 0.05  
SINCE DEC 1 0.00 0.07 -0.07 0.05  
SINCE JAN 1 43.98 37.59 6.39 31.54  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JUL 1 0 1 -1 0  
 
COOLING  
TODAY 14 10 4 16  
MONTH TO DATE 14 10 4 16  
SINCE DEC 1 14 10 4 16  
SINCE JAN 1 5884 4881 1003 5498    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 7.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94  
LOWEST 74  
AVERAGE 84  
   
......................................................  
 
THE MARATHON CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 86 2015  
2018  
MINIMUM TEMPERATURE (F) 69 54 1956  
 
SUNRISE AND SUNSET  
DECEMBER 1 2023......SUNRISE 652 AM EST SUNSET 535 PM EST  
DECEMBER 2 2023......SUNRISE 652 AM EST SUNSET 535 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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