615  
CDUS42 KKEY 202024  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
424 PM EDT SAT JUL 20 2024  
   
...............................  
 
   
..THE MARATHON CLIMATE SUMMARY FOR JULY 20 2024  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1950 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 91 256 PM 98 2023 91 0 98  
MINIMUM 85 556 AM 70 1959 80 5 84  
1972  
AVERAGE 88 85 3 91  
 
PRECIPITATION (IN)  
TODAY 0.00 2.16 1959 0.14 -0.14 0.01  
MONTH TO DATE 0.84 2.36 -1.52 0.44  
SINCE JUN 1 10.51 6.59 3.92 4.06  
SINCE JAN 1 26.12 16.73 9.39 13.20  
 
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 23 20 3 26  
MONTH TO DATE 431 400 31 501  
SINCE JUN 1 1009 982 27 1127  
SINCE JAN 1 2775 2605 170 3320    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 10.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82  
LOWEST 68  
AVERAGE 75  
   
......................................................  
 
THE MARATHON CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 91 97 2023  
MINIMUM TEMPERATURE (F) 80 69 1953  
 
SUNRISE AND SUNSET  
JULY 20 2024..........SUNRISE 647 AM EDT SUNSET 814 PM EDT  
JULY 21 2024..........SUNRISE 648 AM EDT SUNSET 814 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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