993  
CDUS42 KKEY 122017  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
417 PM EDT TUE SEP 12 2023  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR SEPTEMBER 12 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 94 255 PM 96 2022 90 4 96  
MINIMUM 84 630 AM 71 1953 79 5 83  
1956  
AVERAGE 89 84 5 90  
 
PRECIPITATION (IN)  
TODAY 0.00 8.13 2020 0.21 -0.21 0.00  
MONTH TO DATE 0.88 2.44 -1.56 0.59  
SINCE SEP 1 0.88 2.44 -1.56 0.59  
SINCE JAN 1 24.44 25.90 -1.46 21.44  
 
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 19 5 25  
MONTH TO DATE 264 238 26 283  
SINCE SEP 1 264 238 26 283  
SINCE JAN 1 4573 3708 865 4157    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 6.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77  
LOWEST 58  
AVERAGE 68  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 90 95 2015  
2022  
MINIMUM TEMPERATURE (F) 79 68 1954  
 
SUNRISE AND SUNSET  
SEPTEMBER 12 2023.....SUNRISE 709 AM EDT SUNSET 732 PM EDT  
SEPTEMBER 13 2023.....SUNRISE 710 AM EDT SUNSET 730 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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