097  
CDUS42 KKEY 190529  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
129 AM EDT SAT AUG 19 2023  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR AUGUST 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 94 941 AM 96 1991 92 2 94  
MINIMUM 85 1021 AM 70 2007 80 5 80  
AVERAGE 90 86 4 87  
 
PRECIPITATION (IN)  
YESTERDAY 0.08 6.61 2008 0.17 -0.09 0.00  
MONTH TO DATE 3.18 2.90 0.28 1.69  
SINCE JUN 1 10.31 10.90 -0.59 13.28  
SINCE JAN 1 19.45 21.04 -1.59 20.12  
 
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 25 21 4 22  
MONTH TO DATE 434 378 56 392  
SINCE JUN 1 1825 1585 240 1654  
SINCE JAN 1 4018 3208 810 3568    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 7.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82  
LOWEST 60  
AVERAGE 71  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 92 96 2022  
MINIMUM TEMPERATURE (F) 80 73 1955  
1963  
1989  
 
SUNRISE AND SUNSET  
AUGUST 19 2023........SUNRISE 700 AM EDT SUNSET 755 PM EDT  
AUGUST 20 2023........SUNRISE 701 AM EDT SUNSET 754 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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