673  
CDUS42 KKEY 012017  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
417 PM EDT FRI SEP 01 2023  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR SEPTEMBER 1 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 94 300 PM 95 2022 91 3 95  
MINIMUM 83 628 AM 70 1951 79 4 82  
AVERAGE 89 85 4 89  
 
PRECIPITATION (IN)  
TODAY 0.00 2.21 1971 0.20 -0.20 0.00  
MONTH TO DATE 0.00 0.20 -0.20 0.00  
SINCE SEP 1 0.00 0.20 -0.20 0.00  
SINCE JAN 1 23.56 23.66 -0.10 20.85  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 24 20 4 24  
MONTH TO DATE 24 20 4 24  
SINCE SEP 1 24 20 4 24  
SINCE JAN 1 4333 3490 843 3898    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 3.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88  
LOWEST 66  
AVERAGE 77  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 91 96 2022  
MINIMUM TEMPERATURE (F) 79 70 1954  
 
SUNRISE AND SUNSET  
SEPTEMBER 1 2023.....SUNRISE 705 AM EDT SUNSET 743 PM EDT  
SEPTEMBER 2 2023.....SUNRISE 706 AM EDT SUNSET 742 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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