456  
CDUS43 KLOT 222140  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
440 PM CDT FRI OCT 22 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 22 2021...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1997 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE  
VALUE (LST) VALUE VALUE FROM  
NORMAL    
............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 56 1:24 PM 76 2020 60 -4  
MINIMUM 37 6:34 AM 25 2013 40 -3  
AVERAGE 47 50 -3  
 
PRECIPITATION (IN)  
TODAY 0.00 1.45 2020 0.09 -0.09  
MONTH TO DATE 2.75 2.21 0.54  
SINCE SEP 1 3.68 5.21 -1.53  
SINCE JAN 1 20.09 28.58 -8.49  
 
DEGREE DAYS  
HEATING  
TODAY 18 15 3  
MONTH TO DATE 102 250 -148  
SINCE SEP 1 126 350 -224  
SINCE JUL 1 126 361 -235  
 
COOLING  
TODAY 0 0 0  
MONTH TO DATE 46 9 37  
SINCE SEP 1 174 97 77  
SINCE JAN 1 1085 821 264    
............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION NW (320)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 4.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 75 2004  
MINIMUM TEMPERATURE (F) 40 28 2005  
 
SUNRISE AND SUNSET  
OCTOBER 22 2021.......SUNRISE 7:14 AM CDT SUNSET 6:00 PM CDT  
OCTOBER 23 2021.......SUNRISE 7:15 AM CDT SUNSET 5:59 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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