356  
CDUS42 KKEY 180529  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
129 AM EDT FRI JUL 18 2025  
   
...............................  
 
   
..THE MARATHON CLIMATE SUMMARY FOR JULY 17 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 89 340 PM 98 2023 91 -2 90  
MINIMUM 82 221 AM 68 1952 79 3 85  
AVERAGE 86 85 1 88  
 
PRECIPITATION (IN)  
YESTERDAY T 2.64 1966 0.12 -0.12 0.00  
MONTH TO DATE 1.18 1.97 -0.79 0.84  
SINCE JUN 1 6.81 6.20 0.61 10.51  
SINCE JAN 1 12.25 16.34 -4.09 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 21 20 1 23  
MONTH TO DATE 334 340 -6 362  
SINCE JUN 1 913 922 -9 940  
SINCE JAN 1 2597 2545 52 2706    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 174 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 10.6  
 
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 85  
LOWEST 70  
AVERAGE 78  
   
......................................................  
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 91 98 2023  
MINIMUM TEMPERATURE (F) 79 69 1952  
 
SUNRISE AND SUNSET  
JULY 18 2025..........SUNRISE 646 AM EDT SUNSET 815 PM EDT  
JULY 19 2025..........SUNRISE 647 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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