971  
CDUS42 KKEY 142143  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
443 PM EST THU DEC 14 2023  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR DECEMBER 14 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 73 917 AM 87 2018 78 -5 84  
MINIMUM 69 133 AM 44 1962 68 1 74  
2010  
AVERAGE 71 73 -2 79  
 
PRECIPITATION (IN)  
TODAY 0.12 0.56 2003 0.08 0.04 0.00  
MONTH TO DATE 0.58 1.09 -0.51 0.05  
SINCE DEC 1 0.58 1.09 -0.51 0.05  
SINCE JAN 1 44.56 38.61 5.95 31.54  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1 0  
MONTH TO DATE 0 2 -2 0  
SINCE DEC 1 0 2 -2 0  
SINCE JUL 1 0 3 -3 0  
 
COOLING  
TODAY 6 9 -3 14  
MONTH TO DATE 135 129 6 181  
SINCE DEC 1 135 129 6 181  
SINCE JAN 1 6005 5000 1005 5663    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 16.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100  
LOWEST 93  
AVERAGE 97  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 87 1972  
MINIMUM TEMPERATURE (F) 68 45 2010  
 
SUNRISE AND SUNSET  
DECEMBER 14 2023......SUNRISE 700 AM EST SUNSET 538 PM EST  
DECEMBER 15 2023......SUNRISE 701 AM EST SUNSET 538 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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