529  
CDUS42 KKEY 082022  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
422 PM EDT MON SEP 08 2025  
   
...............................  
 
   
..THE MARATHON CLIMATE SUMMARY FOR SEPTEMBER 8 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 89 107 PM 95 2022 91 -2 90  
MINIMUM 79 424 AM 71 1956 79 0 85  
AVERAGE 84 85 -1 88  
 
PRECIPITATION (IN)  
TODAY 0.00 1.25 2007 0.21 -0.21 0.00  
MONTH TO DATE 3.33 1.63 1.70 0.56  
SINCE SEP 1 3.33 1.63 1.70 0.56  
SINCE JAN 1 19.93 25.09 -5.16 35.69  
 
DEGREE DAYS  
HEATING  
TODAY 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  
TODAY 19 20 -1 23  
MONTH TO DATE 90 160 -70 173  
SINCE SEP 1 90 160 -70 173  
SINCE JAN 1 3638 3630 8 3841    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 4.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85  
LOWEST 67  
AVERAGE 76  
   
......................................................  
 
THE MARATHON CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 90 95 1987  
MINIMUM TEMPERATURE (F) 79 71 1954  
1988  
1991  
 
SUNRISE AND SUNSET  
SEPTEMBER 8 2025.....SUNRISE 708 AM EDT SUNSET 735 PM EDT  
SEPTEMBER 9 2025.....SUNRISE 708 AM EDT SUNSET 734 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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