953  
CDUS42 KKEY 280535  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
135 AM EDT FRI AUG 28 2026  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR AUGUST 27 2026
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1950 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 90 526 PM 96 2022 91 -1 91  
MINIMUM 84 639 AM 67 1957 79 5 79  
AVERAGE 87 85 2 85  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.85 2000 0.19 -0.19 0.06  
MONTH TO DATE 0.45 4.50 -4.05 2.63  
SINCE JUN 1 4.96 12.50 -7.54 10.31  
SINCE JAN 1 15.81 22.64 -6.83 15.75  
 
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 22 20 2 20  
MONTH TO DATE 573 562 11 575  
SINCE JUN 1 1817 1769 48 1782  
SINCE JAN 1 3389 3392 -3 3466    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 6.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82  
LOWEST 65  
AVERAGE 74  
   
......................................................
 
 
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 2026........SUNRISE 704 AM EDT SUNSET 747 PM EDT  
AUGUST 29 2026........SUNRISE 704 AM EDT SUNSET 746 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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