470  
CDUS42 KKEY 112017  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
417 PM EDT SAT MAY 11 2024  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR MAY 11 2024
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 88 256 PM 92 2008 87 1 91  
2019  
MINIMUM 78 1256 AM 64 1960 75 3 77  
AVERAGE 83 81 2 84  
 
PRECIPITATION (IN)  
TODAY 0.00 0.91 1985 0.11 -0.11 0.00  
MONTH TO DATE T 0.99 -0.99 T  
SINCE MAR 1 4.53 4.43 0.10 3.93  
SINCE JAN 1 8.50 7.77 0.73 5.41  
 
DEGREE DAYS  
HEATING  
TODAY 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  
TODAY 18 16 2 19  
MONTH TO DATE 188 172 16 183  
SINCE MAR 1 953 873 80 1152  
SINCE JAN 1 1358 1279 79 1822    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 4.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87  
LOWEST 70  
AVERAGE 79  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 95 2019  
MINIMUM TEMPERATURE (F) 75 66 1960  
 
SUNRISE AND SUNSET  
MAY 11 2024...........SUNRISE 642 AM EDT SUNSET 759 PM EDT  
MAY 12 2024...........SUNRISE 642 AM EDT SUNSET 800 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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