081  
CDUS42 KKEY 172017  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
417 PM EDT THU AUG 17 2023  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR AUGUST 17 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 95 310 PM 96 1993 92 3 93  
MINIMUM 83 548 AM 70 1953 80 3 81  
AVERAGE 89 86 3 87  
 
PRECIPITATION (IN)  
TODAY T 0.60 1989 0.17 -0.17 0.00  
MONTH TO DATE 3.10 2.73 0.37 1.69  
SINCE JUN 1 10.23 10.73 -0.50 13.28  
SINCE JAN 1 19.37 20.87 -1.50 20.12  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 24 21 3 22  
MONTH TO DATE 409 357 52 370  
SINCE JUN 1 1800 1564 236 1632  
SINCE JAN 1 3993 3187 806 3546    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 2.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79  
LOWEST 60  
AVERAGE 70  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 92 96 1991  
MINIMUM TEMPERATURE (F) 80 70 2007  
 
SUNRISE AND SUNSET  
AUGUST 17 2023........SUNRISE 659 AM EDT SUNSET 757 PM EDT  
AUGUST 18 2023........SUNRISE 700 AM EDT SUNSET 756 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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