556  
CDUS42 KKEY 042120  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
420 PM EST MON DEC 04 2023  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR DECEMBER 4 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 83 1256 PM 88 2018 79 4 82  
MINIMUM 72 636 AM 48 1959 69 3 73  
AVERAGE 78 74 4 78  
 
PRECIPITATION (IN)  
TODAY 0.00 1.90 1994 0.08 -0.08 0.00  
MONTH TO DATE 0.00 0.30 -0.30 0.05  
SINCE DEC 1 0.00 0.30 -0.30 0.05  
SINCE JAN 1 43.98 37.82 6.16 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 13 9 4 13  
MONTH TO DATE 60 39 21 60  
SINCE DEC 1 60 39 21 60  
SINCE JAN 1 5930 4910 1020 5542    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 7 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 10 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 1.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100  
LOWEST 82  
AVERAGE 91  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 86 1964  
1972  
2016  
MINIMUM TEMPERATURE (F) 69 50 1957  
 
SUNRISE AND SUNSET  
DECEMBER 4 2023......SUNRISE 654 AM EST SUNSET 535 PM EST  
DECEMBER 5 2023......SUNRISE 654 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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