823  
CDUS42 KKEY 250534  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
134 AM EDT MON SEP 25 2023  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR SEPTEMBER 24 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1950 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 92 123 PM 96 1987 89 3 92  
MINIMUM 76 945 PM 68 1953 78 -2 78  
AVERAGE 84 84 0 85  
 
PRECIPITATION (IN)  
YESTERDAY 0.98 1.56 1953 0.21 0.77 0.00  
MONTH TO DATE 5.40 5.10 0.30 4.38  
SINCE SEP 1 5.40 5.10 0.30 4.38  
SINCE JAN 1 28.96 28.56 0.40 25.23  
 
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 19 19 0 20  
MONTH TO DATE 530 466 64 530  
SINCE SEP 1 530 466 64 530  
SINCE JAN 1 4839 3936 903 4404    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 8.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97  
LOWEST 64  
AVERAGE 81  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 96 1988  
MINIMUM TEMPERATURE (F) 78 67 1953  
 
SUNRISE AND SUNSET  
SEPTEMBER 25 2023.....SUNRISE 714 AM EDT SUNSET 718 PM EDT  
SEPTEMBER 26 2023.....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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