177  
CDUS42 KKEY 200531  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST, FL  
129 AM EDT WED SEP 20 2017  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR SEPTEMBER 19 2017
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
 
WEATHER ITEM OBSERVED TIME NORMAL DEPARTURE LAST  
VALUE (LST) VALUE FROM YEAR  
NORMAL    
..................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 89 106 PM 89 0 91  
MINIMUM 78 636 AM 79 -1 82  
AVERAGE 84 84 0 87  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.29 -0.29 0.00  
MONTH TO DATE 2.05 5.27 -3.22 0.58  
SINCE SEP 1 2.05 5.27 -3.22 0.58  
SINCE JAN 1 20.72 34.09 -13.37 29.77  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 0.0  
SINCE SEP 1 0.0  
SINCE JUL 1 0.0  
SNOW DEPTH 0  
 
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 19 19 0 22  
MONTH TO DATE 346 364 -18 392  
SINCE SEP 1 346 364 -18 392  
SINCE JAN 1 4293 3750 543 3872    
..................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 3.4  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85  
LOWEST 63  
AVERAGE 74  
   
......................................................
 
 
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL  
MAXIMUM TEMPERATURE (F) 89  
MINIMUM TEMPERATURE (F) 79  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 20 2017.....SUNRISE 712 AM EDT SUNSET 723 PM EDT  
SEPTEMBER 21 2017.....SUNRISE 713 AM EDT SUNSET 721 PM EDT  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
BWC  
 
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