963  
CDUS42 KKEY 210528  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
128 AM EDT SUN JUL 21 2024  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR JULY 20 2024
 
 
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)  
YESTERDAY  
MAXIMUM 91 256 PM 98 2023 91 0 98  
MINIMUM 85 901 PM 70 1959 80 5 84  
1972  
AVERAGE 88 85 3 91  
 
PRECIPITATION (IN)  
YESTERDAY 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  
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 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 26 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 10.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82  
LOWEST 64  
AVERAGE 73  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 91 97 2023  
MINIMUM TEMPERATURE (F) 80 69 1953  
 
SUNRISE AND SUNSET  
JULY 21 2024..........SUNRISE 648 AM EDT SUNSET 814 PM EDT  
JULY 22 2024..........SUNRISE 648 AM EDT SUNSET 813 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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