886  
CDUS43 KLOT 232147  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
447 PM CDT SUN SEP 23 2018  
 
   
...............................
 
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 23 2018...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1997 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE  
VALUE (LST) VALUE VALUE FROM  
NORMAL    
...........................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 73 259 PM 94 2017 73 0  
MINIMUM 42 518 AM 36 2012 50 -8  
AVERAGE 58 61 -3  
 
PRECIPITATION (IN)  
TODAY 0.00 1.26 2001 0.11 -0.11  
MONTH TO DATE 2.43 2.47 -0.04  
SINCE SEP 1 2.43 2.47 -0.04  
SINCE JAN 1 25.80 28.10 -2.30  
 
DEGREE DAYS  
HEATING  
TODAY 7 5 2  
MONTH TO DATE 21 56 -35  
SINCE SEP 1 21 56 -35  
SINCE JUL 1 22 65 -43  
 
COOLING  
TODAY 0 1 -1  
MONTH TO DATE 143 71 72  
SINCE SEP 1 143 71 72  
SINCE JAN 1 997 795 202    
...........................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION NE (60)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 3.1  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
   
......................................................
 
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 91 2017  
2007  
MINIMUM TEMPERATURE (F) 49 32 2012  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 23 2018.....SUNRISE 641 AM CDT SUNSET 648 PM CDT  
SEPTEMBER 24 2018.....SUNRISE 642 AM CDT SUNSET 647 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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