415  
CDUS42 KKEY 042038  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
438 PM EDT MON SEP 04 2023  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR SEPTEMBER 4 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 93 138 PM 95 2002 91 2 94  
MINIMUM 78 821 AM 66 1953 79 -1 83  
AVERAGE 86 85 1 89  
 
PRECIPITATION (IN)  
TODAY 0.38 2.15 2010 0.20 0.18 0.04  
MONTH TO DATE 0.88 0.80 0.08 0.40  
SINCE SEP 1 0.88 0.80 0.08 0.40  
SINCE JAN 1 24.44 24.26 0.18 21.25  
 
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 21 20 1 24  
MONTH TO DATE 84 80 4 94  
SINCE SEP 1 84 80 4 94  
SINCE JAN 1 4393 3550 843 3968    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 11.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90  
LOWEST 61  
AVERAGE 76  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 91 94 2001  
2007  
2022  
MINIMUM TEMPERATURE (F) 79 69 1953  
 
SUNRISE AND SUNSET  
SEPTEMBER 4 2023.....SUNRISE 706 AM EDT SUNSET 740 PM EDT  
SEPTEMBER 5 2023.....SUNRISE 707 AM EDT SUNSET 739 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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