771  
CDUS42 KKEY 130530  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
130 AM EDT WED SEP 13 2023  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR SEPTEMBER 12 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 94 255 PM 96 2022 90 4 96  
MINIMUM 84 555 PM 71 1953 79 5 83  
1956  
AVERAGE 89 84 5 90  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 8.13 2020 0.21 -0.21 0.00  
MONTH TO DATE 0.88 2.44 -1.56 0.59  
SINCE SEP 1 0.88 2.44 -1.56 0.59  
SINCE JAN 1 24.44 25.90 -1.46 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 24 19 5 25  
MONTH TO DATE 264 238 26 283  
SINCE SEP 1 264 238 26 283  
SINCE JAN 1 4573 3708 865 4157    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 6.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77  
LOWEST 58  
AVERAGE 68  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 90 95 2015  
2022  
MINIMUM TEMPERATURE (F) 79 68 1954  
 
SUNRISE AND SUNSET  
SEPTEMBER 13 2023.....SUNRISE 710 AM EDT SUNSET 730 PM EDT  
SEPTEMBER 14 2023.....SUNRISE 710 AM EDT SUNSET 729 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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