135  
CDUS42 KKEY 110528  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
128 AM EDT WED SEP 11 2024  
   
...............................  
 
   
..THE MARATHON CLIMATE SUMMARY FOR SEPTEMBER 10 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 90 223 PM 95 1993 90 0 94  
MINIMUM 85 919 PM 67 1953 79 6 81  
AVERAGE 88 84 4 88  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.63 1956 0.20 -0.20 0.00  
MONTH TO DATE 0.56 2.03 -1.47 0.88  
SINCE SEP 1 0.56 2.03 -1.47 0.88  
SINCE JAN 1 35.69 25.49 10.20 24.44  
 
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 23 20 3 23  
MONTH TO DATE 219 200 19 215  
SINCE SEP 1 219 200 19 215  
SINCE JAN 1 3887 3670 217 4524    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 5.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85  
LOWEST 72  
AVERAGE 79  
   
......................................................  
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 90 96 2022  
2023  
MINIMUM TEMPERATURE (F) 79 69 1956  
 
SUNRISE AND SUNSET  
SEPTEMBER 11 2024.....SUNRISE 709 AM EDT SUNSET 732 PM EDT  
SEPTEMBER 12 2024.....SUNRISE 710 AM EDT SUNSET 731 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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