302  
CDUS42 KKEY 200546  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
146 AM EDT SUN JUL 20 2025  
   
...............................  
 
   
..THE MARATHON CLIMATE SUMMARY FOR JULY 19 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 89 409 PM 96 2018 91 -2 90  
2023  
MINIMUM 80 332 AM 71 1953 79 1 85  
1972  
AVERAGE 85 85 0 88  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 1.22 1992 0.13 -0.12 0.00  
MONTH TO DATE 1.20 2.22 -1.02 0.84  
SINCE JUN 1 6.83 6.45 0.38 10.51  
SINCE JAN 1 12.27 16.59 -4.32 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 20 20 0 23  
MONTH TO DATE 376 380 -4 408  
SINCE JUN 1 955 962 -7 986  
SINCE JAN 1 2639 2585 54 2752    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 10.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90  
LOWEST 63  
AVERAGE 77  
   
......................................................  
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 91 98 2023  
MINIMUM TEMPERATURE (F) 80 70 1959  
1972  
 
SUNRISE AND SUNSET  
JULY 20 2025..........SUNRISE 647 AM EDT SUNSET 814 PM EDT  
JULY 21 2025..........SUNRISE 647 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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