179  
CDUS42 KKEY 170540  
CLIEYW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
1240 AM EST SUN DEC 17 2023  
   
...............................
 
 
   
..THE KEY WEST CLIMATE SUMMARY FOR DECEMBER 16 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 76 1155 PM 85 1880 78 -2 81  
1947  
MINIMUM 69 1208 AM 51 2010 68 1 75  
AVERAGE 73 73 0 78  
 
PRECIPITATION (IN)  
YESTERDAY 1.90 2.61 1964 0.06 1.84 0.32  
MONTH TO DATE 3.19 1.15 2.04 0.32  
SINCE DEC 1 3.19 1.15 2.04 0.32  
SINCE JAN 1 34.33 39.43 -5.10 35.68  
 
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 8 8 0 13  
MONTH TO DATE 155 146 9 191  
SINCE DEC 1 155 146 9 191  
SINCE JAN 1 5720 5008 712 5154    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 39 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 52 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 19.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96  
LOWEST 82  
AVERAGE 89  
   
......................................................
 
 
THE KEY WEST CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 84 1948  
1956  
MINIMUM TEMPERATURE (F) 68 51 1916  
1968  
 
SUNRISE AND SUNSET  
DECEMBER 17 2023......SUNRISE 704 AM EST SUNSET 542 PM EST  
DECEMBER 18 2023......SUNRISE 705 AM EST SUNSET 542 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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