638  
CDUS43 KLOT 230640  
CLIPWK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
139 AM CDT SUN JUL 23 2017  
 
   
...............................
 
 
   
..THE CHICAGO EXECUTIVE CLIMATE SUMMARY FOR JULY 22 2017
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1996 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 85 326 PM 93 2001 83 2 91  
MINIMUM 71 630 AM 54 1996 64 7 71  
AVERAGE 78 74 4 81  
 
PRECIPITATION (IN)  
YESTERDAY 0.56 2.77 2011 0.14 0.42 0.01  
MONTH TO DATE 7.39 2.31 5.08 1.68  
SINCE JUN 1 13.27 6.02 7.25 5.86  
SINCE JAN 1 29.85 17.51 12.34 18.22  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 2  
SINCE JUN 1 14 52 -38 20  
SINCE JUL 1 0 0 0 2  
 
COOLING  
YESTERDAY 13 9 4 16  
MONTH TO DATE 183 192 -9 211  
SINCE JUN 1 368 346 22 397  
SINCE JAN 1 392 388 4 466    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION S (190)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 5.8  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
FOG  
 
   
......................................................
 
 
 
THE CHICAGO EXECUTIVE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 97 2012  
MINIMUM TEMPERATURE (F) 64 53 2000  
 
 
SUNRISE AND SUNSET  
JULY 23 2017..........SUNRISE 536 AM CDT SUNSET 819 PM CDT  
JULY 24 2017..........SUNRISE 537 AM CDT SUNSET 818 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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