403  
CDUS42 KKEY 110529  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
129 AM EDT TUE JUL 11 2023  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR JULY 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 97R 144 PM 94 1991 91 6 93  
1998  
2020  
MINIMUM 85 1159 PM 68 1950 79 6 83  
AVERAGE 91 85 6 88  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.87 2020 0.12 -0.12 T  
MONTH TO DATE 0.43 1.12 -0.69 0.65  
SINCE JUN 1 4.05 5.35 -1.30 9.57  
SINCE JAN 1 13.19 15.49 -2.30 16.41  
 
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 26 20 6 23  
MONTH TO DATE 235 200 35 225  
SINCE JUN 1 861 782 79 801  
SINCE JAN 1 3054 2405 649 2715    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 5.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75  
LOWEST 54  
AVERAGE 65  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 91 96 1991  
MINIMUM TEMPERATURE (F) 79 68 1953  
 
SUNRISE AND SUNSET  
JULY 11 2023..........SUNRISE 643 AM EDT SUNSET 817 PM EDT  
JULY 12 2023..........SUNRISE 643 AM EDT SUNSET 817 PM EDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLR  
 
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