702  
CDUS42 KKEY 120527  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
127 AM EDT TUE SEP 12 2023  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR SEPTEMBER 11 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 102 PM 96 2022 90 6 96  
MINIMUM 83 555 AM 69 1956 79 4 79  
AVERAGE 90 84 6 88  
 
PRECIPITATION (IN)  
YESTERDAY T 1.66 1963 0.20 -0.20 0.05  
MONTH TO DATE 0.88 2.23 -1.35 0.59  
SINCE SEP 1 0.88 2.23 -1.35 0.59  
SINCE JAN 1 24.44 25.69 -1.25 21.44  
 
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 23  
MONTH TO DATE 240 219 21 258  
SINCE SEP 1 240 219 21 258  
SINCE JAN 1 4549 3689 860 4132    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 5.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85  
LOWEST 64  
AVERAGE 75  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 90 96 2022  
MINIMUM TEMPERATURE (F) 79 71 1953  
1956  
 
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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