520  
CDUS43 KLOT 232148  
CLIMDW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
444 PM CDT MON JUL 23 2012  
 
   
...............................  
 
   
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR JULY 23 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 97 238 PM 109 1934 84 13  
MINIMUM 81 628 AM 51 1947 68 13  
AVERAGE 89 76 13  
 
PRECIPITATION (IN)  
TODAY 0.01 2.31 2011 0.14 -0.13  
MONTH TO DATE 2.02 2.89 -0.87  
SINCE JAN 1 12.46 21.44 -8.98  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0  
MONTH TO DATE 0 0 0  
SINCE JUN 1 14 31 -17  
SINCE JUL 1 0 0 0  
 
COOLING  
TODAY 24 11 13  
MONTH TO DATE 421 251 170  
SINCE JUN 1 718 461 257  
SINCE JAN 1 907 535 372    
...........................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 11.9  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
   
......................................................  
 
 
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 107 1934  
MINIMUM TEMPERATURE (F) 68 55 1938  
1931  
 
 
SUNRISE AND SUNSET  
JULY 23 2012..........SUNRISE 537 AM CDT SUNSET 818 PM CDT  
JULY 24 2012..........SUNRISE 538 AM CDT SUNSET 817 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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