639  
CDUS43 KLOT 250641  
CLIARR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
135 AM CDT MON SEP 25 2017  
 
   
...............................
 
 
 
...THE AURORA MUNICIPAL AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 24 2017...  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1998 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 90 306 PM 92 2007 72 18 79  
MINIMUM 67 614 AM 29 2012 47 20 65  
AVERAGE 79 59 20 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.24 2005 0.13 -0.13 0.00  
MONTH TO DATE 1.64 2.63 -0.99 1.57  
SINCE SEP 1 1.64 2.63 -0.99 1.57  
SINCE JAN 1 30.02 27.83 2.19 28.40  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 7 -7 0  
MONTH TO DATE 66 79 -13 2  
SINCE SEP 1 66 79 -13 2  
SINCE JUL 1 91 103 -12 5  
 
COOLING  
YESTERDAY 14 1 13 7  
MONTH TO DATE 101 58 43 146  
SINCE SEP 1 101 58 43 146  
SINCE JAN 1 670 642 28 1000    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION S (160)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 5.5  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 600 AM  
LOWEST 38 300 PM  
AVERAGE 66  
   
......................................................
 
 
 
THE AURORA MUNICIPAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 90 2016  
MINIMUM TEMPERATURE (F) 46 36 2003  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 25 2017.....SUNRISE 645 AM CDT SUNSET 645 PM CDT  
SEPTEMBER 26 2017.....SUNRISE 646 AM CDT SUNSET 644 PM CDT  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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