486  
CDUS42 KKEY 030528  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
128 AM EDT THU SEP 03 2026  
   
...............................  
 
   
..THE MARATHON CLIMATE SUMMARY FOR SEPTEMBER 2 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 89 526 PM 96 2022 91 -2 89  
MINIMUM 83 641 AM 70 1954 79 4 81  
AVERAGE 86 85 1 85  
 
PRECIPITATION (IN)  
YESTERDAY 0.09 0.68 2005 0.20 -0.11 0.07  
MONTH TO DATE 0.09 0.40 -0.31 0.82  
SINCE SEP 1 0.09 0.40 -0.31 0.82  
SINCE JAN 1 15.96 23.86 -7.90 17.42  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 21 20 1 20  
MONTH TO DATE 43 40 3 38  
SINCE SEP 1 43 40 3 38  
SINCE JAN 1 3516 3510 6 3586    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 2.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88  
LOWEST 68  
AVERAGE 78  
   
......................................................  
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 91 95 1952  
MINIMUM TEMPERATURE (F) 79 68 1950  
 
SUNRISE AND SUNSET  
SEPTEMBER 3 2026.....SUNRISE 706 AM EDT SUNSET 741 PM EDT  
SEPTEMBER 4 2026.....SUNRISE 707 AM EDT SUNSET 740 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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