684  
CDUS42 KKEY 190534  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
134 AM EDT SUN MAY 19 2024  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR MAY 18 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 92 452 PM 94 1989 88 4 93  
MINIMUM 84 635 AM 69 1951 76 8 77  
1955  
2001  
AVERAGE 88 82 6 85  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.52 1994 0.11 -0.11 0.00  
MONTH TO DATE T 1.72 -1.72 0.09  
SINCE MAR 1 4.53 5.16 -0.63 4.02  
SINCE JAN 1 8.50 8.50 0.00 5.50  
 
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 23 17 6 20  
MONTH TO DATE 336 287 49 319  
SINCE MAR 1 1101 988 113 1288  
SINCE JAN 1 1506 1394 112 1958    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 7.5  
 
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 61  
AVERAGE 75  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 94 1957  
MINIMUM TEMPERATURE (F) 76 68 1951  
 
SUNRISE AND SUNSET  
MAY 19 2024...........SUNRISE 638 AM EDT SUNSET 803 PM EDT  
MAY 20 2024...........SUNRISE 638 AM EDT SUNSET 804 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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