459  
CDUS42 KKEY 210536  
CLIEYW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
136 AM EDT THU SEP 21 2023  
   
...............................
 
 
   
..THE KEY WEST CLIMATE SUMMARY FOR SEPTEMBER 20 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1871 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 89 241 PM 95 2018 89 0 90  
MINIMUM 79 1159 PM 70 1890 79 0 79  
AVERAGE 84 84 0 85  
 
PRECIPITATION (IN)  
YESTERDAY 0.06 4.86 1963 0.26 -0.20 0.17  
MONTH TO DATE 2.42 4.93 -2.51 5.36  
SINCE SEP 1 2.42 4.93 -2.51 5.36  
SINCE JAN 1 19.04 28.25 -9.21 24.48  
 
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 439 389 50 377  
SINCE SEP 1 439 389 50 377  
SINCE JAN 1 4438 3825 613 3872    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 8.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90  
LOWEST 67  
AVERAGE 79  
   
......................................................
 
 
THE KEY WEST CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 93 2020  
MINIMUM TEMPERATURE (F) 79 70 1890  
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2023.....SUNRISE 715 AM EDT SUNSET 725 PM EDT  
SEPTEMBER 22 2023.....SUNRISE 716 AM EDT SUNSET 724 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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