249  
CDUS43 KLOT 040631  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
131 AM CDT SUN APR 04 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR APRIL 3 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 71 4:04 PM 75 1999 56 15 70  
2011  
MINIMUM 36 5:46 AM 18 2013 34 2 45  
AVERAGE 54 45 9 58  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.56 0.09 -0.09 0.01  
MONTH TO DATE 0.00 0.26 -0.26 0.01  
SINCE MAR 1 0.89 2.62 -1.73 3.50  
SINCE JAN 1 2.05 5.35 -3.30 6.15  
 
DEGREE DAYS  
HEATING  
YESTERDAY 11 20 -9 7  
MONTH TO DATE 73 62 11 45  
SINCE MAR 1 778 898 -120 798  
SINCE JUL 1 5577 5653 -76 5388  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION SW (220)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 12.4  
 
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) 56 76 2005  
2010  
MINIMUM TEMPERATURE (F) 34 23 2013  
 
SUNRISE AND SUNSET  
APRIL 4 2021.........SUNRISE 6:30 AM CDT SUNSET 7:22 PM CDT  
APRIL 5 2021.........SUNRISE 6:29 AM CDT SUNSET 7:23 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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