264  
CDUS43 KLOT 312137  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
437 PM CDT MON MAY 31 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR MAY 31 2021...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1997 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE  
VALUE (LST) VALUE VALUE FROM  
NORMAL    
............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 70 11:28 AM 88 2014 76 -6  
MINIMUM 51 4:05 AM 36 2003 54 -3  
AVERAGE 61 65 -4  
 
PRECIPITATION (IN)  
TODAY 0.00 0.81 2010 0.13 -0.13  
MONTH TO DATE 2.18 4.34 -2.16  
SINCE MAR 1 3.99 9.75 -5.76  
SINCE JAN 1 5.15 12.26 -7.11  
 
DEGREE DAYS  
HEATING  
TODAY 4 3 1  
MONTH TO DATE 261 211 50  
SINCE MAR 1 1404 1553 -149  
SINCE JUL 1 6203 6330 -127  
 
COOLING  
TODAY 0 3 -3  
MONTH TO DATE 71 50 21  
SINCE MAR 1 81 56 25  
SINCE JAN 1 81 56 25    
............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SW (210)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 5.1  
 
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) 77 89 2014  
MINIMUM TEMPERATURE (F) 55 34 2003  
 
SUNRISE AND SUNSET  
MAY 31 2021...........SUNRISE 5:21 AM CDT SUNSET 8:21 PM CDT  
JUNE 1 2021..........SUNRISE 5:20 AM CDT SUNSET 8:22 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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