233  
CDUS43 KLOT 302134  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
434 PM CDT FRI APR 30 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR APRIL 30 2021...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1997 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE  
VALUE (LST) VALUE VALUE FROM  
NORMAL    
............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 59 12:36 PM 84 2013 66 -7  
MINIMUM 43 3:01 AM 31 2008 42 1  
AVERAGE 51 54 -3  
 
PRECIPITATION (IN)  
TODAY 0.00 2.12 2003 0.17 -0.17  
MONTH TO DATE 0.92 3.35 -2.43  
SINCE MAR 1 1.81 5.71 -3.90  
SINCE JAN 1 2.97 8.44 -5.47  
 
DEGREE DAYS  
HEATING  
TODAY 14 11 3  
MONTH TO DATE 436 476 -40  
SINCE MAR 1 1141 1312 -171  
SINCE JUL 1 5940 6067 -127  
 
COOLING  
TODAY 0 0 0  
MONTH TO DATE 10 4 6  
SINCE MAR 1 10 4 6  
SINCE JAN 1 10 4 6    
............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION N (340)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 11.5  
 
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) 66 85 2018  
MINIMUM TEMPERATURE (F) 43 30 2005  
 
SUNRISE AND SUNSET  
APRIL 30 2021.........SUNRISE 5:50 AM CDT SUNSET 7:51 PM CDT  
MAY 1 2021...........SUNRISE 5:49 AM CDT SUNSET 7:52 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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