348  
CDUS42 KKEY 110528  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
128 AM EDT SAT MAY 11 2024  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR MAY 10 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 88 240 PM 92 2019 87 1 90  
MINIMUM 79 1159 PM 61 1963 75 4 76  
AVERAGE 84 81 3 83  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.81 2020 0.10 -0.10 0.00  
MONTH TO DATE T 0.88 -0.88 T  
SINCE MAR 1 4.53 4.32 0.21 3.93  
SINCE JAN 1 8.50 7.66 0.84 5.41  
 
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 19 16 3 18  
MONTH TO DATE 170 156 14 164  
SINCE MAR 1 935 857 78 1133  
SINCE JAN 1 1340 1263 77 1803    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 5.9  
 
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 82  
LOWEST 68  
AVERAGE 75  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 92 2008  
2019  
MINIMUM TEMPERATURE (F) 75 64 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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