579  
CDUS42 KKEY 190529  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
129 AM EDT WED JUL 19 2023  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR JULY 18 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1950 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 98R 125 PM 95 1991 91 7 93  
2014  
MINIMUM 87 1159 PM 69 1952 79 8 84  
AVERAGE 93 85 8 89  
 
PRECIPITATION (IN)  
YESTERDAY T 2.19 2013 0.12 -0.12 T  
MONTH TO DATE 0.43 2.09 -1.66 1.85  
SINCE JUN 1 4.05 6.32 -2.27 10.77  
SINCE JAN 1 13.19 16.46 -3.27 17.61  
 
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 28 20 8 24  
MONTH TO DATE 450 360 90 403  
SINCE JUN 1 1076 942 134 979  
SINCE JAN 1 3269 2565 704 2893    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 7.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 73  
LOWEST 53  
AVERAGE 63  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 91 96 2018  
MINIMUM TEMPERATURE (F) 79 71 1953  
1972  
 
SUNRISE AND SUNSET  
JULY 19 2023..........SUNRISE 646 AM EDT SUNSET 815 PM EDT  
JULY 20 2023..........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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