864  
CDUS42 KKEY 200528  
CLIEYW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
128 AM EDT WED MAY 20 2026  
   
...............................  
 
   
..THE KEY WEST CLIMATE SUMMARY FOR MAY 19 2026  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1871 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 88 1232 PM 92 1881 86 2 86  
2024  
MINIMUM 80 851 AM 66 2006 77 3 80  
AVERAGE 84 81 3 83  
 
PRECIPITATION (IN)  
YESTERDAY 0.12 5.83 1904 0.10 0.02 0.00  
MONTH TO DATE 0.60 1.66 -1.06 1.40  
SINCE MAR 1 4.38 5.26 -0.88 6.49  
SINCE JAN 1 5.06 8.63 -3.57 11.87  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 4 -4 0  
SINCE JUL 1 77 46 31 19  
 
COOLING  
YESTERDAY 19 16 3 18  
MONTH TO DATE 379 295 84 319  
SINCE MAR 1 1215 978 237 1009  
SINCE JAN 1 1546 1389 157 1425    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 14.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79  
LOWEST 63  
AVERAGE 71  
   
......................................................  
 
THE KEY WEST CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 91 1884  
1886  
MINIMUM TEMPERATURE (F) 77 67 2006  
 
SUNRISE AND SUNSET  
MAY 20 2026...........SUNRISE 641 AM EDT SUNSET 806 PM EDT  
MAY 21 2026...........SUNRISE 641 AM EDT SUNSET 807 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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