387  
CDUS42 KKEY 310545  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
145 AM EDT THU AUG 31 2023  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR AUGUST 30 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 94R 157 PM 94 1952 91 3 93  
1968  
2004  
MINIMUM 83 448 PM 70 1988 79 4 83  
AVERAGE 89 85 4 88  
 
PRECIPITATION (IN)  
YESTERDAY 0.14 2.57 1960 0.20 -0.06 0.00  
MONTH TO DATE 7.29 5.11 2.18 2.42  
SINCE JUN 1 14.42 13.11 1.31 14.01  
SINCE JAN 1 23.56 23.25 0.31 20.85  
 
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 24 20 4 23  
MONTH TO DATE 700 622 78 675  
SINCE JUN 1 2091 1829 262 1937  
SINCE JAN 1 4284 3452 832 3851    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 11.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88  
LOWEST 68  
AVERAGE 78  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 91 94 2004  
2007  
2022  
MINIMUM TEMPERATURE (F) 79 69 1955  
1988  
 
SUNRISE AND SUNSET  
AUGUST 31 2023........SUNRISE 705 AM EDT SUNSET 744 PM EDT  
SEPTEMBER 1 2023.....SUNRISE 705 AM EDT SUNSET 743 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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