839  
CDUS42 KKEY 280529  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
129 AM EDT THU AUG 28 2025  
   
...............................  
 
   
..THE MARATHON CLIMATE SUMMARY FOR AUGUST 27 2025  
 
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)  
YESTERDAY  
MAXIMUM 91 116 PM 96 2022 91 0 91  
MINIMUM 79 416 AM 67 1957 79 0 79  
AVERAGE 85 85 0 85  
 
PRECIPITATION (IN)  
YESTERDAY 0.06 2.85 2000 0.19 -0.13 0.19  
MONTH TO DATE 2.63 4.50 -1.87 5.80  
SINCE JUN 1 10.31 12.50 -2.19 16.51  
SINCE JAN 1 15.75 22.64 -6.89 32.12  
 
DEGREE DAYS  
HEATING  
YESTERDAY 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  
YESTERDAY 20 20 0 20  
MONTH TO DATE 575 562 13 575  
SINCE JUN 1 1782 1769 13 1830  
SINCE JAN 1 3466 3392 74 3596    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 7.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90  
LOWEST 61  
AVERAGE 76  
   
......................................................  
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 91 96 2022  
MINIMUM TEMPERATURE (F) 79 72 1957  
 
SUNRISE AND SUNSET  
AUGUST 28 2025........SUNRISE 704 AM EDT SUNSET 746 PM EDT  
AUGUST 29 2025........SUNRISE 704 AM EDT SUNSET 745 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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