464  
CDUS42 KKEY 152020  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
420 PM EDT SUN SEP 15 2024  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR SEPTEMBER 15 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 93 1257 PM 94 2022 90 3 94  
2023  
MINIMUM 81 253 PM 68 1954 78 3 83  
AVERAGE 87 84 3 89  
 
PRECIPITATION (IN)  
TODAY T 2.24 1966 0.21 -0.21 0.00  
MONTH TO DATE 0.58 3.06 -2.48 0.88  
SINCE SEP 1 0.58 3.06 -2.48 0.88  
SINCE JAN 1 35.71 26.52 9.19 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 22 19 3 24  
MONTH TO DATE 335 295 40 336  
SINCE SEP 1 335 295 40 336  
SINCE JAN 1 4003 3765 238 4645    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 5.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83  
LOWEST 68  
AVERAGE 76  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 90 97 2023  
MINIMUM TEMPERATURE (F) 78 71 1952  
1965  
 
SUNRISE AND SUNSET  
SEPTEMBER 15 2024.....SUNRISE 711 AM EDT SUNSET 728 PM EDT  
SEPTEMBER 16 2024.....SUNRISE 711 AM EDT SUNSET 726 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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