266  
CDUS42 KKEY 152024  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
424 PM EDT FRI AUG 15 2025  
   
...............................  
 
   
..THE MARATHON CLIMATE SUMMARY FOR AUGUST 15 2025  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1950 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 91 1259 PM 98 1964 92 -1 94  
MINIMUM 82 503 AM 70 1963 80 2 82  
AVERAGE 87 86 1 88  
 
PRECIPITATION (IN)  
TODAY 0.00 2.45 2009 0.18 -0.18 0.03  
MONTH TO DATE 2.41 2.38 0.03 1.63  
SINCE JUN 1 10.09 10.38 -0.29 12.34  
SINCE JAN 1 15.53 20.52 -4.99 27.95  
 
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 22 21 1 23  
MONTH TO DATE 313 315 -2 325  
SINCE JUN 1 1520 1522 -2 1580  
SINCE JAN 1 3204 3145 59 3346    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 6.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79  
LOWEST 57  
AVERAGE 68  
   
......................................................  
 
THE MARATHON CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 92 95 1989  
1993  
MINIMUM TEMPERATURE (F) 80 70 1952  
 
SUNRISE AND SUNSET  
AUGUST 15 2025........SUNRISE 659 AM EDT SUNSET 758 PM EDT  
AUGUST 16 2025........SUNRISE 659 AM EDT SUNSET 757 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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