236  
CDUS42 KKEY 170528  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
128 AM EDT SAT MAY 17 2025  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR MAY 16 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 86 314 PM 92 1985 88 -2 91  
MINIMUM 78 200 AM 67 1951 76 2 83  
AVERAGE 82 82 0 87  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.34 2019 0.10 -0.10 0.00  
MONTH TO DATE 1.71 1.51 0.20 T  
SINCE MAR 1 2.32 4.95 -2.63 4.53  
SINCE JAN 1 4.82 8.29 -3.47 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 17 0 22  
MONTH TO DATE 264 253 11 292  
SINCE MAR 1 964 954 10 1057  
SINCE JAN 1 1386 1360 26 1462    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 7.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82  
LOWEST 70  
AVERAGE 76  
   
......................................................
 
 
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 2025...........SUNRISE 639 AM EDT SUNSET 802 PM EDT  
MAY 18 2025...........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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