650  
CDUS42 KKEY 010533  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
133 AM EDT SUN OCT 01 2023  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR SEPTEMBER 30 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 90 944 AM 92 1958 89 1 81  
MINIMUM 81 458 PM 70 1953 78 3 73  
AVERAGE 86 83 3 77  
 
PRECIPITATION (IN)  
YESTERDAY 0.04 4.08 1994 0.22 -0.18 0.00  
MONTH TO DATE 7.49 6.37 1.12 6.80  
SINCE SEP 1 7.49 6.37 1.12 6.80  
SINCE JAN 1 31.05 29.83 1.22 27.65  
 
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 21 18 3 12  
MONTH TO DATE 655 574 81 634  
SINCE SEP 1 655 574 81 634  
SINCE JAN 1 4964 4044 920 4508    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 7.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 91  
LOWEST 72  
AVERAGE 82  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 92 1959  
1987  
2014  
MINIMUM TEMPERATURE (F) 78 69 1953  
1954  
 
SUNRISE AND SUNSET  
OCTOBER 1 2023.......SUNRISE 716 AM EDT SUNSET 711 PM EDT  
OCTOBER 2 2023.......SUNRISE 717 AM EDT SUNSET 710 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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