575  
CDUS42 KKEY 070543  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
1243 AM EST THU DEC 07 2023  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR DECEMBER 6 2023
 
 
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)  
YESTERDAY  
MAXIMUM 73 1244 AM 88 2016 79 -6 83  
MINIMUM 65 1159 PM 53 1959 69 -4 74  
2010  
AVERAGE 69 74 -5 79  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 3.25 2015 0.08 -0.08 0.00  
MONTH TO DATE 0.00 0.46 -0.46 0.05  
SINCE DEC 1 0.00 0.46 -0.46 0.05  
SINCE JAN 1 43.98 37.98 6.00 31.54  
 
DEGREE DAYS  
HEATING  
YESTERDAY 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  
YESTERDAY 4 9 -5 14  
MONTH TO DATE 76 57 19 86  
SINCE DEC 1 76 57 19 86  
SINCE JAN 1 5946 4928 1018 5568    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 12.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84  
LOWEST 44  
AVERAGE 64  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 86 1971  
1972  
MINIMUM TEMPERATURE (F) 69 50 2010  
 
SUNRISE AND SUNSET  
DECEMBER 7 2023......SUNRISE 656 AM EST SUNSET 536 PM EST  
DECEMBER 8 2023......SUNRISE 656 AM EST SUNSET 536 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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