141  
CDUS42 KKEY 272024  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
424 PM EDT TUE MAY 27 2025  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR MAY 27 2025
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 88 300 PM 93 2017 89 -1 89  
MINIMUM 83 645 AM 64 1959 77 6 81  
AVERAGE 86 83 3 85  
 
PRECIPITATION (IN)  
TODAY 0.00 6.60 1959 0.13 -0.13 0.00  
MONTH TO DATE 2.33 2.84 -0.51 7.11  
SINCE MAR 1 2.94 6.28 -3.34 11.64  
SINCE JAN 1 5.44 9.62 -4.18 15.61  
 
DEGREE DAYS  
HEATING  
TODAY 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  
TODAY 21 18 3 20  
MONTH TO DATE 479 444 35 511  
SINCE MAR 1 1179 1145 34 1276  
SINCE JAN 1 1601 1551 50 1681    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 9.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79  
LOWEST 63  
AVERAGE 71  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 93 2017  
MINIMUM TEMPERATURE (F) 77 70 1964  
1967  
1970  
 
SUNRISE AND SUNSET  
MAY 27 2025...........SUNRISE 636 AM EDT SUNSET 807 PM EDT  
MAY 28 2025...........SUNRISE 636 AM EDT SUNSET 808 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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