988  
CDUS42 KKEY 170531  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
131 AM EDT THU JUL 17 2025  
   
...............................  
 
   
..THE MARATHON CLIMATE SUMMARY FOR JULY 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 88 353 PM 98 2023 91 -3 91  
MINIMUM 78 1259 AM 72 1950 79 -1 83  
AVERAGE 83 85 -2 87  
 
PRECIPITATION (IN)  
YESTERDAY 0.09 0.64 1972 0.12 -0.03 0.00  
MONTH TO DATE 1.18 1.85 -0.67 0.84  
SINCE JUN 1 6.81 6.08 0.73 10.51  
SINCE JAN 1 12.25 16.22 -3.97 26.12  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 18 20 -2 22  
MONTH TO DATE 313 320 -7 339  
SINCE JUN 1 892 902 -10 917  
SINCE JAN 1 2576 2525 51 2683    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 8.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94  
LOWEST 72  
AVERAGE 83  
   
......................................................  
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 91 98 2023  
MINIMUM TEMPERATURE (F) 79 68 1952  
 
SUNRISE AND SUNSET  
JULY 17 2025..........SUNRISE 646 AM EDT SUNSET 815 PM EDT  
JULY 18 2025..........SUNRISE 646 AM EDT SUNSET 815 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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