066  
CDUS42 KKEY 110527  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
127 AM EDT FRI AUG 11 2023  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR AUGUST 10 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 97 202 PM 98 1987 92 5 92  
MINIMUM 87 1105 PM 71 1953 80 7 82  
AVERAGE 92 86 6 87  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.86 2010 0.16 -0.16 T  
MONTH TO DATE 1.61 1.55 0.06 1.38  
SINCE JUN 1 8.74 9.55 -0.81 12.97  
SINCE JAN 1 17.88 19.69 -1.81 19.81  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 27 21 6 22  
MONTH TO DATE 245 210 35 218  
SINCE JUN 1 1636 1417 219 1480  
SINCE JAN 1 3829 3040 789 3394    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 5.2  
 
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 60  
AVERAGE 69  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 92 97 1985  
1987  
MINIMUM TEMPERATURE (F) 80 70 1953  
 
SUNRISE AND SUNSET  
AUGUST 11 2023........SUNRISE 657 AM EDT SUNSET 802 PM EDT  
AUGUST 12 2023........SUNRISE 657 AM EDT SUNSET 801 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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