080  
CDUS43 KLOT 290633  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
133 AM CDT FRI MAY 29 2026  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR MAY 28 2026...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1997 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 75 1:23 PM 93 2018 75 0 63  
MINIMUM 48 11:56 PM 44 2004 53 -5 51  
2021  
AVERAGE 62 64 -2 57  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.75 2019 0.12 -0.12 0.21  
MONTH TO DATE 1.33 3.96 -2.63 1.59  
SINCE MAR 1 11.63 9.37 2.26 6.49  
SINCE JAN 1 12.88 11.88 1.00 8.06  
 
DEGREE DAYS  
HEATING  
YESTERDAY 3 4 -1 8  
MONTH TO DATE 229 201 28 221  
SINCE MAR 1 1263 1543 -280 1325  
SINCE JUL 1 5905 6320 -415 5646  
 
COOLING  
YESTERDAY 0 3 -3 0  
MONTH TO DATE 46 39 7 27  
SINCE MAR 1 58 45 13 33  
SINCE JAN 1 58 45 13 33    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 10.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 11:00 PM  
LOWEST 37 2:00 PM  
AVERAGE 57  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 90 2006  
MINIMUM TEMPERATURE (F) 54 35 2021  
 
SUNRISE AND SUNSET  
MAY 29 2026...........SUNRISE 5:22 AM CDT SUNSET 8:20 PM CDT  
MAY 30 2026...........SUNRISE 5:21 AM CDT SUNSET 8:20 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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