141  
CDUS42 KKEY 050531  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
131 AM EDT WED AUG 05 2026  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR AUGUST 4 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 1231 PM 96 1982 92 -2 90  
2002  
MINIMUM 82 327 AM 70 1952 80 2 84  
AVERAGE 86 86 0 87  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.00 1984 0.16 -0.16 0.00  
MONTH TO DATE 0.01 0.62 -0.61 0.00  
SINCE JUN 1 4.52 8.62 -4.10 7.68  
SINCE JAN 1 15.37 18.76 -3.39 13.12  
 
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 21 21 0 22  
MONTH TO DATE 85 84 1 90  
SINCE JUN 1 1329 1291 38 1297  
SINCE JAN 1 2901 2914 -13 2981    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 4.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82  
LOWEST 59  
AVERAGE 71  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 92 96 2002  
MINIMUM TEMPERATURE (F) 80 71 1971  
 
SUNRISE AND SUNSET  
AUGUST 5 2026........SUNRISE 654 AM EDT SUNSET 806 PM EDT  
AUGUST 6 2026........SUNRISE 655 AM EDT SUNSET 805 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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