707  
CDUS42 KKEY 310536  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
136 AM EDT THU JUL 31 2025  
   
...............................  
 
   
..THE MARATHON CLIMATE SUMMARY FOR JULY 30 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 90 411 PM 97 1987 91 -1 91  
MINIMUM 83 624 AM 67 1953 80 3 82  
AVERAGE 87 86 1 87  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.79 1983 0.12 -0.12 0.10  
MONTH TO DATE 2.05 3.64 -1.59 1.00  
SINCE JUN 1 7.68 7.87 -0.19 10.67  
SINCE JAN 1 13.12 18.01 -4.89 26.28  
 
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 22 21 1 22  
MONTH TO DATE 605 602 3 654  
SINCE JUN 1 1184 1184 0 1232  
SINCE JAN 1 2868 2807 61 2998    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 5.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75  
LOWEST 63  
AVERAGE 69  
   
......................................................  
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 92 97 1993  
MINIMUM TEMPERATURE (F) 80 70 1954  
 
SUNRISE AND SUNSET  
JULY 31 2025..........SUNRISE 652 AM EDT SUNSET 809 PM EDT  
AUGUST 1 2025........SUNRISE 653 AM EDT SUNSET 808 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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