295  
CDUS43 KLOT 100636  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
134 AM CDT THU MAY 10 2012  
 
   
...............................  
 
   
..THE WEST CHICAGO CLIMATE SUMMARY FOR MAY 9 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 62 153 PM 86 69 -7 MM  
MINIMUM 44 1159 PM 35 45 -1 MM  
AVERAGE 53 57 -4 MM  
 
PRECIPITATION (IN)  
YESTERDAY T 1.15 0.14 -0.14 MM  
MONTH TO DATE 1.86 1.34 0.52 MM  
SINCE JAN 1 7.62 9.78 -2.16 MM  
 
SNOWFALL (IN)  
YESTERDAY MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 12 9 3 MM  
MONTH TO DATE 45 87 -42 MM  
 
COOLING  
YESTERDAY 0 1 -1 MM  
MONTH TO DATE 13 4 9 MM  
SINCE JAN 1 44 8 36 MM    
..............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION N (350)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 6.9  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
   
......................................................  
 
 
THE WEST CHICAGO CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 90 2011  
MINIMUM TEMPERATURE (F) 46 37 2008  
 
 
SUNRISE AND SUNSET  
MAY 10 2012...........SUNRISE 538 AM CDT SUNSET 802 PM CDT  
MAY 11 2012...........SUNRISE 536 AM CDT SUNSET 803 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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