295  
CDUS42 KKEY 200528  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
128 AM EDT WED SEP 20 2023  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR SEPTEMBER 19 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 96R 140 PM 95 1989 90 6 92  
MINIMUM 83 927 PM 67 1954 78 5 76  
AVERAGE 90 84 6 84  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 3.56 2001 0.22 -0.22 0.33  
MONTH TO DATE 0.88 3.96 -3.08 4.28  
SINCE SEP 1 0.88 3.96 -3.08 4.28  
SINCE JAN 1 24.44 27.42 -2.98 25.13  
 
DEGREE DAYS  
HEATING  
YESTERDAY 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  
YESTERDAY 25 19 6 19  
MONTH TO DATE 435 371 64 429  
SINCE SEP 1 435 371 64 429  
SINCE JAN 1 4744 3841 903 4303    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 4.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82  
LOWEST 56  
AVERAGE 69  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 90 95 1987  
MINIMUM TEMPERATURE (F) 78 69 1956  
 
SUNRISE AND SUNSET  
SEPTEMBER 20 2023.....SUNRISE 712 AM EDT SUNSET 723 PM EDT  
SEPTEMBER 21 2023.....SUNRISE 713 AM EDT SUNSET 722 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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