326  
CDUS43 KLOT 262133  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
433 PM CDT SUN SEP 26 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 26 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 84 2:37 PM 91 2017 72 12  
MINIMUM 50 5:16 AM 38 2000 50 0  
AVERAGE 67 61 6  
 
PRECIPITATION (IN)  
TODAY 0.00 0.91 2011 0.10 -0.10  
MONTH TO DATE 0.93 2.62 -1.69  
SINCE SEP 1 0.93 2.62 -1.69  
SINCE JAN 1 17.34 25.99 -8.65  
 
DEGREE DAYS  
HEATING  
TODAY 0 6 -6  
MONTH TO DATE 23 74 -51  
SINCE SEP 1 23 74 -51  
SINCE JUL 1 23 85 -62  
 
COOLING  
TODAY 2 2 0  
MONTH TO DATE 114 84 30  
SINCE SEP 1 114 84 30  
SINCE JAN 1 1025 808 217    
............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION SW (220)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION SW (230)  
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) 71 84 1998  
MINIMUM TEMPERATURE (F) 49 39 2001  
2012  
 
SUNRISE AND SUNSET  
SEPTEMBER 26 2021.....SUNRISE 6:45 AM CDT SUNSET 6:43 PM CDT  
SEPTEMBER 27 2021.....SUNRISE 6:46 AM CDT SUNSET 6:41 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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