427  
CDUS42 KKEY 300533  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
133 AM EDT TUE MAY 30 2023  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR MAY 29 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1950 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 87 235 PM 95 1952 89 -2 90  
MINIMUM 76 1159 PM 69 1953 77 -1 77  
AVERAGE 82 83 -1 84  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.40 2013 0.13 -0.13 0.05  
MONTH TO DATE 3.11 3.10 0.01 2.07  
SINCE MAR 1 7.04 6.54 0.50 4.03  
SINCE JAN 1 8.52 9.88 -1.36 6.26  
 
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 44 71 -27 30  
 
COOLING  
YESTERDAY 17 18 -1 19  
MONTH TO DATE 517 480 37 519  
SINCE MAR 1 1486 1181 305 1404  
SINCE JAN 1 2156 1587 569 1880    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 3.9  
 
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 76  
LOWEST 53  
AVERAGE 65  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 92 2005  
2019  
MINIMUM TEMPERATURE (F) 77 62 1963  
 
SUNRISE AND SUNSET  
MAY 30 2023...........SUNRISE 635 AM EDT SUNSET 808 PM EDT  
MAY 31 2023...........SUNRISE 635 AM EDT SUNSET 809 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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