202  
CDUS42 KKEY 310527  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
127 AM EDT SAT MAY 31 2025  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR MAY 30 2025
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1950 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 88 109 PM 92 2005 89 -1 90  
2019  
MINIMUM 82 1159 PM 62 1963 77 5 81  
AVERAGE 85 83 2 86  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 5.30 1960 0.13 -0.13 0.00  
MONTH TO DATE 2.33 3.23 -0.90 7.11  
SINCE MAR 1 2.94 6.67 -3.73 11.64  
SINCE JAN 1 5.44 10.01 -4.57 15.61  
 
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 31 71 -40 8  
 
COOLING  
YESTERDAY 20 18 2 21  
MONTH TO DATE 541 498 43 574  
SINCE MAR 1 1241 1199 42 1339  
SINCE JAN 1 1663 1605 58 1744    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 6.0  
 
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 79  
LOWEST 59  
AVERAGE 69  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 93 2005  
MINIMUM TEMPERATURE (F) 77 68 1960  
 
SUNRISE AND SUNSET  
MAY 31 2025...........SUNRISE 635 AM EDT SUNSET 809 PM EDT  
JUNE 1 2025..........SUNRISE 635 AM EDT SUNSET 810 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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