659  
CDUS42 KKEY 100526  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
126 AM EDT FRI MAY 10 2024  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR MAY 9 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 85 235 PM 92 2019 87 -2 92  
2023  
MINIMUM 80 1159 PM 63 1992 75 5 76  
AVERAGE 83 81 2 84  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.93 1968 0.10 -0.10 0.00  
MONTH TO DATE T 0.78 -0.78 T  
SINCE MAR 1 4.53 4.22 0.31 3.93  
SINCE JAN 1 8.50 7.56 0.94 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 18 16 2 19  
MONTH TO DATE 151 140 11 146  
SINCE MAR 1 916 841 75 1115  
SINCE JAN 1 1321 1247 74 1785    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 9.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82  
LOWEST 70  
AVERAGE 76  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 92 2019  
MINIMUM TEMPERATURE (F) 75 61 1963  
 
SUNRISE AND SUNSET  
MAY 10 2024...........SUNRISE 643 AM EDT SUNSET 759 PM EDT  
MAY 11 2024...........SUNRISE 642 AM EDT SUNSET 759 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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