945  
CDUS43 KLOT 010636  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
136 AM CDT TUE JUN 01 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR MAY 31 2021...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
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 70 11:28 AM 88 2014 76 -6 73  
MINIMUM 49 11:59 PM 36 2003 54 -5 46  
AVERAGE 60 65 -5 60  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.81 0.13 -0.13 0.00  
MONTH TO DATE 2.18 4.34 -2.16 7.69  
SINCE MAR 1 3.99 9.75 -5.76 15.25  
SINCE JAN 1 5.15 12.26 -7.11 17.90  
 
DEGREE DAYS  
HEATING  
YESTERDAY 5 3 2 5  
MONTH TO DATE 262 211 51 255  
SINCE MAR 1 1405 1553 -148 1547  
SINCE JUL 1 6204 6330 -126 6137  
 
COOLING  
YESTERDAY 0 3 -3 0  
MONTH TO DATE 71 50 21 50  
SINCE MAR 1 81 56 25 51  
SINCE JAN 1 81 56 25 51    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SW (210)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 5.8  
 
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) 77 89 2014  
MINIMUM TEMPERATURE (F) 55 34 2003  
 
SUNRISE AND SUNSET  
JUNE 1 2021..........SUNRISE 5:20 AM CDT SUNSET 8:22 PM CDT  
JUNE 2 2021..........SUNRISE 5:20 AM CDT SUNSET 8:23 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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