861  
CDUS42 KKEY 200547  
CLIEYW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
1247 AM EST WED DEC 20 2023  
   
...............................  
 
   
..THE KEY WEST CLIMATE SUMMARY FOR DECEMBER 19 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 67 1211 AM 85 2016 77 -10 80  
MINIMUM 63 810 AM 51 1901 68 -5 70  
AVERAGE 65 73 -8 75  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.95 1905 0.06 -0.06 0.00  
MONTH TO DATE 3.32 1.36 1.96 0.83  
SINCE DEC 1 3.32 1.36 1.96 0.83  
SINCE JAN 1 34.46 39.64 -5.18 36.19  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 0 8 -8 10  
MONTH TO DATE 172 170 2 224  
SINCE DEC 1 172 170 2 224  
SINCE JAN 1 5737 5032 705 5187    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 13.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78  
LOWEST 54  
AVERAGE 66  
   
......................................................  
 
THE KEY WEST CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 84 1986  
2018  
MINIMUM TEMPERATURE (F) 68 50 1981  
 
SUNRISE AND SUNSET  
DECEMBER 20 2023......SUNRISE 706 AM EST SUNSET 543 PM EST  
DECEMBER 21 2023......SUNRISE 706 AM EST SUNSET 544 PM EST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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