840  
CDUS42 KKEY 210528  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
128 AM EDT SAT OCT 21 2023  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR OCTOBER 20 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 81 1253 PM 92 1989 86 -5 75  
MINIMUM 73 625 AM 63 1955 75 -2 66  
1964  
AVERAGE 77 80 -3 71  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 4.33 2014 0.17 -0.16 T  
MONTH TO DATE 4.52 4.17 0.35 1.88  
SINCE SEP 1 12.01 10.54 1.47 8.68  
SINCE JAN 1 35.57 34.00 1.57 29.53  
 
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 12 15 -3 6  
MONTH TO DATE 356 339 17 338  
SINCE SEP 1 1011 913 98 972  
SINCE JAN 1 5320 4383 937 4846    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 6.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90  
LOWEST 71  
AVERAGE 81  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 90 1960  
2013  
2019  
MINIMUM TEMPERATURE (F) 75 58 1989  
 
SUNRISE AND SUNSET  
OCTOBER 21 2023.......SUNRISE 725 AM EDT SUNSET 652 PM EDT  
OCTOBER 22 2023.......SUNRISE 726 AM EDT SUNSET 652 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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