671  
CDUS42 KKEY 120528  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
128 AM EDT MON MAY 12 2025  
   
...............................  
 
   
..THE MARATHON CLIMATE SUMMARY FOR MAY 11 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 86 205 PM 92 2008 87 -1 88  
2019  
MINIMUM 78 1100 PM 64 1960 75 3 78  
AVERAGE 82 81 1 83  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 0.91 1985 0.11 -0.10 0.00  
MONTH TO DATE 0.02 0.99 -0.97 T  
SINCE MAR 1 0.63 4.43 -3.80 4.53  
SINCE JAN 1 3.13 7.77 -4.64 8.50  
 
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 31 71 -40 8  
 
COOLING  
YESTERDAY 17 16 1 18  
MONTH TO DATE 184 172 12 188  
SINCE MAR 1 884 873 11 953  
SINCE JAN 1 1306 1279 27 1358    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 13.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85  
LOWEST 68  
AVERAGE 77  
   
......................................................  
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 95 2019  
MINIMUM TEMPERATURE (F) 75 66 1960  
 
SUNRISE AND SUNSET  
MAY 12 2025...........SUNRISE 642 AM EDT SUNSET 800 PM EDT  
MAY 13 2025...........SUNRISE 641 AM EDT SUNSET 800 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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