293  
CDUS43 KLOT 080637  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
137 AM CDT FRI OCT 08 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 7 2021...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1997 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 76 3:05 PM 88 2007 67 9 75  
MINIMUM 62 11:59 PM 27 2001 45 17 45  
AVERAGE 69 56 13 60  
 
PRECIPITATION (IN)  
YESTERDAY 0.47 0.72 0.10 0.37 0.00  
MONTH TO DATE 1.22 0.73 0.49 0.17  
SINCE SEP 1 2.15 3.73 -1.58 4.13  
SINCE JAN 1 18.56 27.10 -8.54 25.18  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 10 -10 5  
MONTH TO DATE 0 60 -60 96  
SINCE SEP 1 24 160 -136 201  
SINCE JUL 1 24 171 -147 205  
 
COOLING  
YESTERDAY 4 1 3 0  
MONTH TO DATE 26 7 19 0  
SINCE SEP 1 154 95 59 48  
SINCE JAN 1 1065 819 246 941    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION E (110)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 4.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 87 2007  
MINIMUM TEMPERATURE (F) 45 27 2012  
 
SUNRISE AND SUNSET  
OCTOBER 8 2021.......SUNRISE 6:58 AM CDT SUNSET 6:22 PM CDT  
OCTOBER 9 2021.......SUNRISE 6:59 AM CDT SUNSET 6:21 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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