411  
CDUS42 KKEY 060528  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
1228 AM EST WED DEC 06 2023  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR DECEMBER 5 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 81 145 PM 86 1964 79 2 81  
1972  
2016  
MINIMUM 73 1159 PM 50 1957 69 4 72  
AVERAGE 77 74 3 77  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.70 1997 0.08 -0.08 0.00  
MONTH TO DATE 0.00 0.38 -0.38 0.05  
SINCE DEC 1 0.00 0.38 -0.38 0.05  
SINCE JAN 1 43.98 37.90 6.08 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 12 9 3 12  
MONTH TO DATE 72 48 24 72  
SINCE DEC 1 72 48 24 72  
SINCE JAN 1 5942 4919 1023 5554    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 7.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94  
LOWEST 54  
AVERAGE 74  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 88 2016  
MINIMUM TEMPERATURE (F) 69 53 1959  
2010  
 
SUNRISE AND SUNSET  
DECEMBER 6 2023......SUNRISE 655 AM EST SUNSET 535 PM EST  
DECEMBER 7 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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