195  
CDUS42 KKEY 172023  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
423 PM EDT TUE SEP 17 2024  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR SEPTEMBER 17 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 88 303 PM 97 2023 90 -2 97  
MINIMUM 82 615 AM 71 1957 78 4 82  
AVERAGE 85 84 1 90  
 
PRECIPITATION (IN)  
TODAY 0.02 2.17 2022 0.22 -0.20 0.00  
MONTH TO DATE 0.79 3.50 -2.71 0.88  
SINCE SEP 1 0.79 3.50 -2.71 0.88  
SINCE JAN 1 35.92 26.96 8.96 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 25  
MONTH TO DATE 377 333 44 386  
SINCE SEP 1 377 333 44 386  
SINCE JAN 1 4045 3803 242 4695    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 4.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83  
LOWEST 72  
AVERAGE 78  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 90 95 1989  
MINIMUM TEMPERATURE (F) 78 68 1956  
 
SUNRISE AND SUNSET  
SEPTEMBER 17 2024.....SUNRISE 711 AM EDT SUNSET 725 PM EDT  
SEPTEMBER 18 2024.....SUNRISE 712 AM EDT SUNSET 724 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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