887  
CDUS42 KKEY 230531  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
131 AM EDT MON SEP 23 2024  
   
...............................  
 
   
..THE MARATHON CLIMATE SUMMARY FOR SEPTEMBER 22 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 92 225 PM 94 1987 89 3 89  
MINIMUM 78 210 AM 66 1959 78 0 79  
AVERAGE 85 84 1 84  
 
PRECIPITATION (IN)  
YESTERDAY 0.04 4.70 1959 0.23 -0.19 0.00  
MONTH TO DATE 1.74 4.66 -2.92 2.49  
SINCE SEP 1 1.74 4.66 -2.92 2.49  
SINCE JAN 1 36.87 28.12 8.75 26.05  
 
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 20 19 1 19  
MONTH TO DATE 474 428 46 495  
SINCE SEP 1 474 428 46 495  
SINCE JAN 1 4142 3898 244 4804    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 5.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88  
LOWEST 57  
AVERAGE 73  
   
......................................................  
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 93 1951  
2020  
MINIMUM TEMPERATURE (F) 78 70 1953  
 
SUNRISE AND SUNSET  
SEPTEMBER 23 2024.....SUNRISE 714 AM EDT SUNSET 719 PM EDT  
SEPTEMBER 24 2024.....SUNRISE 714 AM EDT SUNSET 718 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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