803  
CDUS43 KLOT 180632  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
132 AM CDT SUN APR 18 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR APRIL 17 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 59 2:13 PM 84 2002 62 -3 41  
MINIMUM 30 4:49 AM 26 2018 38 -8 32  
AVERAGE 45 50 -5 37  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.59 0.12 -0.12 0.30  
MONTH TO DATE 0.87 1.68 -0.81 1.04  
SINCE MAR 1 1.76 4.04 -2.28 4.53  
SINCE JAN 1 2.92 6.77 -3.85 7.18  
 
DEGREE DAYS  
HEATING  
YESTERDAY 20 15 5 28  
MONTH TO DATE 245 307 -62 333  
SINCE MAR 1 950 1143 -193 1086  
SINCE JUL 1 5749 5898 -149 5676  
 
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 4 RESULTANT WIND DIRECTION NE (30)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 5.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 88 2002  
MINIMUM TEMPERATURE (F) 38 26 2018  
 
SUNRISE AND SUNSET  
APRIL 18 2021.........SUNRISE 6:08 AM CDT SUNSET 7:38 PM CDT  
APRIL 19 2021.........SUNRISE 6:06 AM CDT SUNSET 7:39 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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