173  
CDUS42 KKEY 182023  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
423 PM EDT FRI JUL 18 2025  
   
...............................  
 
   
..THE MARATHON CLIMATE SUMMARY FOR JULY 18 2025  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 90 244 PM 98 2023 91 -1 91  
MINIMUM 84 614 AM 69 1952 79 5 84  
AVERAGE 87 85 2 88  
 
PRECIPITATION (IN)  
TODAY 0.00 2.19 2013 0.12 -0.12 0.00  
MONTH TO DATE 1.18 2.09 -0.91 0.84  
SINCE JUN 1 6.81 6.32 0.49 10.51  
SINCE JAN 1 12.25 16.46 -4.21 26.12  
 
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 22 20 2 23  
MONTH TO DATE 356 360 -4 385  
SINCE JUN 1 935 942 -7 963  
SINCE JAN 1 2619 2565 54 2729    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 13.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80  
LOWEST 66  
AVERAGE 73  
   
......................................................  
 
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 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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