580  
CDUS43 KLOT 210641  
CLIARR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
140 AM CDT THU JUN 21 2012  
 
   
...............................
 
 
   
..THE AURORA CLIMATE SUMMARY FOR JUNE 20 2012
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1998 TO 2012  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 93R 328 PM 92 2002 82 11 MM  
MINIMUM 71 446 AM 47 2004 59 12 MM  
2003  
AVERAGE 82 70 12 MM  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.75 2000 0.09 -0.09 MM  
MONTH TO DATE 0.56 3.03 -2.47 MM  
SINCE JAN 1 9.09 15.91 -6.82 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 MM  
MONTH TO DATE 26 37 -11 MM  
 
COOLING  
YESTERDAY 17 6 11 MM  
MONTH TO DATE 129 88 41 MM  
SINCE JAN 1 261 129 132 MM    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 13 RESULTANT WIND DIRECTION S (190)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 13.5  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 73 500 AM  
LOWEST 41 300 PM  
AVERAGE 57  
   
......................................................
 
 
 
THE AURORA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 92 2002  
MINIMUM TEMPERATURE (F) 59 45 2003  
 
 
SUNRISE AND SUNSET  
JUNE 21 2012..........SUNRISE 519 AM CDT SUNSET 832 PM CDT  
JUNE 22 2012..........SUNRISE 520 AM CDT SUNSET 832 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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