762  
CDUS43 KLOT 162140  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
440 PM CDT SAT OCT 16 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 16 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 60 2:15 PM 78 1998 62 -2  
MINIMUM 42 6:24 AM 29 2018 42 0  
AVERAGE 51 52 -1  
 
PRECIPITATION (IN)  
TODAY 0.00 0.65 2007 0.10 -0.10  
MONTH TO DATE 2.75 1.66 1.09  
SINCE SEP 1 3.68 4.66 -0.98  
SINCE JAN 1 20.09 28.03 -7.94  
 
DEGREE DAYS  
HEATING  
TODAY 14 13 1  
MONTH TO DATE 41 164 -123  
SINCE SEP 1 65 264 -199  
SINCE JUL 1 65 275 -210  
 
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 11 RESULTANT WIND DIRECTION W (290)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 11.9  
 
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) 62 83 2016  
MINIMUM TEMPERATURE (F) 42 28 2004  
 
SUNRISE AND SUNSET  
OCTOBER 16 2021.......SUNRISE 7:07 AM CDT SUNSET 6:09 PM CDT  
OCTOBER 17 2021.......SUNRISE 7:08 AM CDT SUNSET 6:08 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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