139  
CDUS43 KLOT 110635  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
135 AM CDT THU MAY 11 2023  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR MAY 10 2023...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1997 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 78 4:28 PM 90 2011 69 9 89  
MINIMUM 44 2:59 AM 35 2021 47 -3 66  
AVERAGE 61 58 3 78  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.97 2001 0.14 -0.14 0.00  
MONTH TO DATE 0.33 1.47 -1.14 1.33  
SINCE MAR 1 4.61 6.88 -2.27 9.39  
SINCE JAN 1 9.65 9.39 0.26 11.65  
 
DEGREE DAYS  
HEATING  
YESTERDAY 4 8 -4 0  
MONTH TO DATE 80 97 -17 119  
SINCE MAR 1 1368 1439 -71 1471  
SINCE JUL 1 5718 6216 -498 6032  
 
COOLING  
YESTERDAY 0 1 -1 13  
MONTH TO DATE 13 6 7 17  
SINCE MAR 1 24 12 12 21  
SINCE JAN 1 24 12 12 21    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 4.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 3:00 AM  
LOWEST 31 4:00 PM  
AVERAGE 60  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 92 2022  
MINIMUM TEMPERATURE (F) 47 33 2021  
 
SUNRISE AND SUNSET  
MAY 11 2023...........SUNRISE 5:37 AM CDT SUNSET 8:02 PM CDT  
MAY 12 2023...........SUNRISE 5:36 AM CDT SUNSET 8:03 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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