689  
CDUS42 KKEY 150546  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
146 AM EDT SUN SEP 15 2024  
   
...............................  
 
   
..THE MARATHON CLIMATE SUMMARY FOR SEPTEMBER 14 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 93 405 PM 95 2023 90 3 95  
MINIMUM 85 1006 PM 67 1954 78 7 82  
AVERAGE 89 84 5 89  
 
PRECIPITATION (IN)  
YESTERDAY T 1.80 1990 0.20 -0.20 0.00  
MONTH TO DATE 0.58 2.85 -2.27 0.88  
SINCE SEP 1 0.58 2.85 -2.27 0.88  
SINCE JAN 1 35.71 26.31 9.40 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 24 19 5 24  
MONTH TO DATE 313 276 37 312  
SINCE SEP 1 313 276 37 312  
SINCE JAN 1 3981 3746 235 4621    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 4.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83  
LOWEST 64  
AVERAGE 74  
   
......................................................  
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 90 94 2022  
2023  
MINIMUM TEMPERATURE (F) 78 68 1954  
 
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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