262  
CDUS42 KKEY 182019  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
419 PM EDT WED SEP 18 2024  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR SEPTEMBER 18 2024
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1950 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 91 203 PM 95 1989 90 1 94  
MINIMUM 79 444 AM 68 1956 78 1 83  
AVERAGE 85 84 1 89  
 
PRECIPITATION (IN)  
TODAY 0.32 2.89 1985 0.24 0.08 0.00  
MONTH TO DATE 1.11 3.74 -2.63 0.88  
SINCE SEP 1 1.11 3.74 -2.63 0.88  
SINCE JAN 1 36.24 27.20 9.04 24.44  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 20 19 1 24  
MONTH TO DATE 398 352 46 410  
SINCE SEP 1 398 352 46 410  
SINCE JAN 1 4066 3822 244 4719    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 4.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
HEAVY RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94  
LOWEST 66  
AVERAGE 80  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 90 96 2023  
MINIMUM TEMPERATURE (F) 78 67 1954  
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2024.....SUNRISE 712 AM EDT SUNSET 724 PM EDT  
SEPTEMBER 19 2024.....SUNRISE 712 AM EDT SUNSET 723 PM EDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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