828  
CDUS42 KKEY 252020  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
420 PM EDT MON SEP 25 2023  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR SEPTEMBER 25 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 94 259 PM 96 1988 89 5 94  
MINIMUM 81 119 AM 67 1953 78 3 80  
AVERAGE 88 84 4 87  
 
PRECIPITATION (IN)  
TODAY 0.01 1.77 1968 0.22 -0.21 0.00  
MONTH TO DATE 5.41 5.32 0.09 4.38  
SINCE SEP 1 5.41 5.32 0.09 4.38  
SINCE JAN 1 28.97 28.78 0.19 25.23  
 
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 23 19 4 22  
MONTH TO DATE 553 485 68 552  
SINCE SEP 1 553 485 68 552  
SINCE JAN 1 4862 3955 907 4426    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 7.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82  
LOWEST 64  
AVERAGE 73  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 93 1951  
2002  
2006  
MINIMUM TEMPERATURE (F) 78 69 1957  
 
SUNRISE AND SUNSET  
SEPTEMBER 25 2023.....SUNRISE 714 AM EDT SUNSET 718 PM EDT  
SEPTEMBER 26 2023.....SUNRISE 714 AM EDT SUNSET 717 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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