217  
CDUS43 KLOT 042147  
CLIMDW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
445 PM CDT FRI MAY 4 2012  
 
   
...............................
 
 
   
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR MAY 4 2012
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1928 TO 2012  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE  
VALUE (LST) VALUE VALUE FROM  
NORMAL    
...........................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 72 1213 AM MM MM 66 6  
MINIMUM 61 246 PM MM MM 48 13  
AVERAGE 67 57 10  
 
PRECIPITATION (IN)  
TODAY 0.27 MM MM 0.12 0.15  
MONTH TO DATE 0.66 0.49 0.17  
SINCE JAN 1 7.42 10.85 -3.43  
 
DEGREE DAYS  
HEATING  
TODAY 0 9 -9  
MONTH TO DATE 7 37 -30  
 
COOLING  
TODAY 2 1 1  
MONTH TO DATE 19 4 15  
SINCE JAN 1 73 17 56    
...........................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION N (0)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 9.4  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
   
......................................................
 
 
 
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 94 1949  
MINIMUM TEMPERATURE (F) 48 34 1954  
1944  
1929  
 
 
SUNRISE AND SUNSET  
MAY 4 2012...........SUNRISE 543 AM CDT SUNSET 753 PM CDT  
MAY 5 2012...........SUNRISE 542 AM CDT SUNSET 754 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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