899  
CDUS42 KKEY 310529  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
129 AM EDT FRI MAY 31 2024  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR MAY 30 2024
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1950 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 90 401 PM 92 2005 89 1 91  
2019  
MINIMUM 81 540 AM 62 1963 77 4 74  
AVERAGE 86 83 3 83  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 5.30 1960 0.13 -0.13 0.11  
MONTH TO DATE 7.11 3.23 3.88 3.22  
SINCE MAR 1 11.64 6.67 4.97 7.15  
SINCE JAN 1 15.61 10.01 5.60 8.63  
 
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 8 71 -63 44  
 
COOLING  
YESTERDAY 21 18 3 18  
MONTH TO DATE 574 498 76 535  
SINCE MAR 1 1339 1199 140 1504  
SINCE JAN 1 1744 1605 139 2174    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 6.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88  
LOWEST 59  
AVERAGE 74  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 93 2005  
MINIMUM TEMPERATURE (F) 77 68 1960  
 
SUNRISE AND SUNSET  
MAY 31 2024...........SUNRISE 635 AM EDT SUNSET 809 PM EDT  
JUNE 1 2024..........SUNRISE 635 AM EDT SUNSET 810 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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