166  
CDUS43 KLOT 090635  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
135 AM CDT FRI APR 09 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR APRIL 8 2021...  
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
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 63 3:58 AM 77 2001 58 5 72  
MINIMUM 50 9:55 PM 18 2018 35 15 46  
AVERAGE 57 47 10 59  
 
PRECIPITATION (IN)  
YESTERDAY 0.37 0.98 0.09 0.28 0.13  
MONTH TO DATE 0.57 0.72 -0.15 0.33  
SINCE MAR 1 1.46 3.08 -1.62 3.82  
SINCE JAN 1 2.62 5.81 -3.19 6.47  
 
DEGREE DAYS  
HEATING  
YESTERDAY 8 18 -10 6  
MONTH TO DATE 90 157 -67 115  
SINCE MAR 1 795 993 -198 868  
SINCE JUL 1 5594 5748 -154 5458  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 4 0 4 1  
SINCE MAR 1 4 0 4 1  
SINCE JAN 1 4 0 4 1    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION S (180)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 10.2  
 
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) 58 75 2017  
MINIMUM TEMPERATURE (F) 36 21 2003  
 
SUNRISE AND SUNSET  
APRIL 9 2021.........SUNRISE 6:22 AM CDT SUNSET 7:28 PM CDT  
APRIL 10 2021.........SUNRISE 6:20 AM CDT SUNSET 7:29 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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