186  
CDUS42 KKEY 170529  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
129 AM EDT FRI MAY 17 2024  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR MAY 16 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 91 236 PM 92 1985 88 3 91  
MINIMUM 83 1159 PM 67 1951 76 7 77  
AVERAGE 87 82 5 84  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.34 2019 0.10 -0.10 0.00  
MONTH TO DATE T 1.51 -1.51 T  
SINCE MAR 1 4.53 4.95 -0.42 3.93  
SINCE JAN 1 8.50 8.29 0.21 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 22 17 5 19  
MONTH TO DATE 292 253 39 281  
SINCE MAR 1 1057 954 103 1250  
SINCE JAN 1 1462 1360 102 1920    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 8.7  
 
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 88  
LOWEST 65  
AVERAGE 77  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 94 2010  
MINIMUM TEMPERATURE (F) 76 63 1951  
 
SUNRISE AND SUNSET  
MAY 17 2024...........SUNRISE 639 AM EDT SUNSET 802 PM EDT  
MAY 18 2024...........SUNRISE 639 AM EDT SUNSET 803 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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