994  
CDUS42 KKEY 272117  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
417 PM EST WED DEC 27 2023  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR DECEMBER 27 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 MM MM 85 1971 77 MM 68  
2007  
2016  
MINIMUM MM MM 40 1983 66 MM 57  
AVERAGE MM 71 MM 63  
 
PRECIPITATION (IN)  
TODAY 0.00 0.52 1958 0.05 -0.05 0.05  
MONTH TO DATE 7.64 1.98 5.66 3.24  
SINCE DEC 1 7.64 1.98 5.66 3.24  
SINCE JAN 1 51.62 39.50 12.12 34.73  
 
DEGREE DAYS  
HEATING  
TODAY MM 1 MM 2  
MONTH TO DATE 1 13 -12 28  
SINCE DEC 1 1 13 -12 28  
SINCE JUL 1 1 14 -13 28  
 
COOLING  
TODAY MM 7 MM 0  
MONTH TO DATE 190 228 -38 284  
SINCE DEC 1 190 228 -38 284  
SINCE JAN 1 6060 5099 961 5766    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 5.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST MM  
LOWEST MM  
AVERAGE MM  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 85 2007  
2016  
2018  
MINIMUM TEMPERATURE (F) 66 44 2010  
 
SUNRISE AND SUNSET  
DECEMBER 27 2023......SUNRISE 707 AM EST SUNSET 544 PM EST  
DECEMBER 28 2023......SUNRISE 707 AM EST SUNSET 544 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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