424  
CDUS43 KLOT 180635  
CLIPWK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
133 AM CDT WED SEP 18 2019  
 
   
...............................
 
 
   
..THE CHICAGO EXECUTIVE CLIMATE SUMMARY FOR SEPTEMBER 17 2019
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1996 TO 2019  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 76 144 PM 92 2018 74 2 92  
MINIMUM 66 629 AM 45 2014 54 12 65  
1999  
AVERAGE 71 64 7 79  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.27 2015 0.09 -0.09 0.00  
MONTH TO DATE 4.24 1.78 2.46 3.89  
SINCE SEP 1 4.24 1.78 2.46 3.89  
SINCE JAN 1 33.56 24.26 9.30 36.55  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 3 -3 0  
MONTH TO DATE 2 29 -27 0  
SINCE SEP 1 2 29 -27 0  
SINCE JUL 1 2 39 -37 0  
 
COOLING  
YESTERDAY 6 2 4 14  
MONTH TO DATE 98 62 36 131  
SINCE SEP 1 98 62 36 131  
SINCE JAN 1 905 759 146 1126    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION E (90)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 3.8  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
   
......................................................
 
 
 
THE CHICAGO EXECUTIVE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 89 2007  
MINIMUM TEMPERATURE (F) 53 42 2012  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2019.....SUNRISE 635 AM CDT SUNSET 656 PM CDT  
SEPTEMBER 19 2019.....SUNRISE 636 AM CDT SUNSET 654 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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