051  
CDUS43 KLOT 172216  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
516 PM CDT SAT APR 17 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR APRIL 17 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 2:13 PM 84 2002 62 -3  
MINIMUM 30 4:49 AM 26 2018 38 -8  
AVERAGE 45 50 -5  
 
PRECIPITATION (IN)  
TODAY 0.00 1.59 2013 0.12 -0.12  
MONTH TO DATE 0.87 1.68 -0.81  
SINCE MAR 1 1.76 4.04 -2.28  
SINCE JAN 1 2.92 6.77 -3.85  
 
DEGREE DAYS  
HEATING  
TODAY 20 15 5  
MONTH TO DATE 245 307 -62  
SINCE MAR 1 950 1143 -193  
SINCE JUL 1 5749 5898 -149  
 
COOLING  
TODAY 0 0 0  
MONTH TO DATE 4 0 4  
SINCE MAR 1 4 0 4  
SINCE JAN 1 4 0 4    
............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION N (10)  
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 TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 88 2002  
MINIMUM TEMPERATURE (F) 38 26 2018  
 
SUNRISE AND SUNSET  
APRIL 17 2021.........SUNRISE 6:09 AM CDT SUNSET 7:37 PM CDT  
APRIL 18 2021.........SUNRISE 6:08 AM CDT SUNSET 7:38 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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