443  
CDUS42 KKEY 220540  
CLIEYW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
140 AM EDT MON SEP 22 2025  
   
...............................  
 
   
..THE KEY WEST CLIMATE SUMMARY FOR SEPTEMBER 21 2025  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1871 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 87 500 PM 93 2020 89 -2 91  
MINIMUM 80 105 PM 70 1890 79 1 79  
AVERAGE 84 84 0 85  
 
PRECIPITATION (IN)  
YESTERDAY 0.63 4.53 1948 0.26 0.37 0.74  
MONTH TO DATE 9.17 5.19 3.98 1.68  
SINCE SEP 1 9.17 5.19 3.98 1.68  
SINCE JAN 1 33.37 28.51 4.86 37.67  
 
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 19 19 0 20  
MONTH TO DATE 386 408 -22 457  
SINCE SEP 1 386 408 -22 457  
SINCE JAN 1 3915 3844 71 4166    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 6.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100  
LOWEST 77  
AVERAGE 89  
   
......................................................  
 
THE KEY WEST CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 93 1987  
1989  
MINIMUM TEMPERATURE (F) 79 70 1908  
1954  
 
SUNRISE AND SUNSET  
SEPTEMBER 22 2025.....SUNRISE 716 AM EDT SUNSET 723 PM EDT  
SEPTEMBER 23 2025.....SUNRISE 716 AM EDT SUNSET 722 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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