736  
CDUS42 KKEY 182134  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
534 PM EDT SAT JUL 18 2026  
   
...............................  
 
   
..THE MARATHON CLIMATE SUMMARY FOR JULY 18 2026  
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1950 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 89 1202 PM 98 2023 91 -2 90  
MINIMUM 82 812 AM 69 1952 79 3 84  
AVERAGE 86 85 1 87  
 
PRECIPITATION (IN)  
TODAY 0.13 2.19 2013 0.12 0.01 0.01  
MONTH TO DATE 1.78 2.09 -0.31 1.19  
SINCE JUN 1 3.51 6.32 -2.81 6.82  
SINCE JAN 1 14.36 16.46 -2.10 12.26  
 
DEGREE DAYS  
HEATING  
TODAY 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  
TODAY 21 20 1 22  
MONTH TO DATE 388 360 28 356  
SINCE JUN 1 973 942 31 935  
SINCE JAN 1 2545 2565 -20 2619    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 7.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HEAVY RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85  
LOWEST 65  
AVERAGE 75  
   
......................................................  
 
THE MARATHON CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 91 96 2018  
2023  
MINIMUM TEMPERATURE (F) 79 71 1953  
1972  
 
SUNRISE AND SUNSET  
JULY 18 2026..........SUNRISE 646 AM EDT SUNSET 815 PM EDT  
JULY 19 2026..........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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