942  
CDUS43 KLOT 040712  
CLIARR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
208 AM CDT FRI MAY 4 2012  
   
...............................
 
   
..THE AURORA CLIMATE SUMMARY FOR MAY 3 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 85 356 PM 86 2001 66 19 MM  
MINIMUM 63 455 AM 21 2005 42 21 MM  
AVERAGE 74 55 19 MM  
 
PRECIPITATION (IN)  
YESTERDAY 0.14R 0.14 2012 0.14 0.00 MM  
MONTH TO DATE 0.32 0.40 -0.08 MM  
SINCE JAN 1 5.57 9.02 -3.45 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 11 -11 MM  
MONTH TO DATE 11 33 -22 MM  
 
COOLING  
YESTERDAY 9 0 9 MM  
MONTH TO DATE 13 0 13 MM  
SINCE JAN 1 39 3 36 MM    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 12.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 400 AM  
LOWEST 55 300 PM  
AVERAGE 74    
......................................................
 
 
 
THE AURORA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 81 1999  
MINIMUM TEMPERATURE (F) 43 27 2005  
 
SUNRISE AND SUNSET  
MAY 4 2012...........SUNRISE 546 AM CDT SUNSET 756 PM CDT  
MAY 5 2012...........SUNRISE 545 AM CDT SUNSET 757 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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