908  
CDUS42 KKEY 080528  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
128 AM EDT FRI SEP 08 2023  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR SEPTEMBER 7 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 92 253 PM 95 2022 91 1 95  
MINIMUM 79 431 AM 71 1952 79 0 81  
1955  
1956  
AVERAGE 86 85 1 88  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.42 1966 0.21 -0.21 0.00  
MONTH TO DATE 0.88 1.42 -0.54 0.48  
SINCE SEP 1 0.88 1.42 -0.54 0.48  
SINCE JAN 1 24.44 24.88 -0.44 21.33  
 
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 20 1 23  
MONTH TO DATE 152 140 12 166  
SINCE SEP 1 152 140 12 166  
SINCE JAN 1 4461 3610 851 4040    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 5.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74  
LOWEST 54  
AVERAGE 64  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 91 95 2022  
MINIMUM TEMPERATURE (F) 79 71 1956  
 
SUNRISE AND SUNSET  
SEPTEMBER 8 2023.....SUNRISE 708 AM EDT SUNSET 736 PM EDT  
SEPTEMBER 9 2023.....SUNRISE 708 AM EDT SUNSET 735 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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