124  
CDUS42 KKEY 240530  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
130 AM EDT TUE SEP 24 2024  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR SEPTEMBER 23 2024
 
 
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)  
YESTERDAY  
MAXIMUM 91 218 PM 93 1951 89 2 88  
2020  
MINIMUM 81 635 AM 70 1953 78 3 74  
AVERAGE 86 84 2 81  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.93 2023 0.23 -0.23 1.93  
MONTH TO DATE 1.74 4.89 -3.15 4.42  
SINCE SEP 1 1.74 4.89 -3.15 4.42  
SINCE JAN 1 36.87 28.35 8.52 27.98  
 
DEGREE DAYS  
HEATING  
YESTERDAY 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  
YESTERDAY 21 19 2 16  
MONTH TO DATE 495 447 48 511  
SINCE SEP 1 495 447 48 511  
SINCE JAN 1 4163 3917 246 4820    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 9.2  
 
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 82  
LOWEST 62  
AVERAGE 72  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 96 1987  
MINIMUM TEMPERATURE (F) 78 68 1953  
 
SUNRISE AND SUNSET  
SEPTEMBER 24 2024.....SUNRISE 714 AM EDT SUNSET 718 PM EDT  
SEPTEMBER 25 2024.....SUNRISE 714 AM EDT SUNSET 717 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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