473  
CDUS43 KLOT 132153  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
446 PM CDT SUN MAY 13 2012  
 
   
...............................
 
 
   
..THE WEST CHICAGO CLIMATE SUMMARY FOR MAY 13 2012
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1997 TO 2012  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE  
VALUE (LST) VALUE VALUE FROM  
NORMAL    
...........................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 71 1231 PM 80 2011 70 1  
MINIMUM 46 531 AM 39 2007 47 -1  
AVERAGE 59 59 0  
 
PRECIPITATION (IN)  
TODAY 0.00 1.80 2010 0.15 -0.15  
MONTH TO DATE 1.86 1.94 -0.08  
SINCE JAN 1 7.62 10.38 -2.76  
 
DEGREE DAYS  
HEATING  
TODAY 6 8 -2  
MONTH TO DATE 73 119 -46  
 
COOLING  
TODAY 0 1 -1  
MONTH TO DATE 13 8 5  
SINCE JAN 1 44 12 32    
...........................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION NE (40)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 8.9  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
   
......................................................
 
 
 
THE WEST CHICAGO CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 89 2007  
MINIMUM TEMPERATURE (F) 47 37 2000  
 
 
SUNRISE AND SUNSET  
MAY 13 2012...........SUNRISE 534 AM CDT SUNSET 805 PM CDT  
MAY 14 2012...........SUNRISE 533 AM CDT SUNSET 806 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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