599  
CDUS42 KKEY 300526  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
126 AM EDT SAT MAY 30 2026  
   
...............................  
 
   
..THE MARATHON CLIMATE SUMMARY FOR MAY 29 2026  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1950 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 86 845 AM 95 1952 89 -3 88  
MINIMUM 80 602 AM 69 1953 77 3 83  
AVERAGE 83 83 0 86  
 
PRECIPITATION (IN)  
YESTERDAY 0.14 2.40 2013 0.13 0.01 0.00  
MONTH TO DATE 4.89 3.10 1.79 2.33  
SINCE MAR 1 9.98 6.54 3.44 2.94  
SINCE JAN 1 10.85 9.88 0.97 5.44  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 5 -5 0  
SINCE JUL 1 112 71 41 31  
 
COOLING  
YESTERDAY 18 18 0 21  
MONTH TO DATE 493 480 13 521  
SINCE MAR 1 1230 1181 49 1221  
SINCE JAN 1 1532 1587 -55 1643    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 2.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90  
LOWEST 72  
AVERAGE 81  
   
......................................................  
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 92 2005  
2019  
MINIMUM TEMPERATURE (F) 77 62 1963  
 
SUNRISE AND SUNSET  
MAY 30 2026...........SUNRISE 635 AM EDT SUNSET 809 PM EDT  
MAY 31 2026...........SUNRISE 635 AM EDT SUNSET 809 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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