689  
CDUS43 KLOT 120632  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
132 AM CDT FRI MAY 12 2023  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR MAY 11 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 82 3:55 PM 92 2022 69 13 92  
MINIMUM 48 1:42 AM 33 2021 47 1 71  
AVERAGE 65 58 7 82  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.07 2002 0.15 -0.15 0.00  
MONTH TO DATE 0.33 1.62 -1.29 1.33  
SINCE MAR 1 4.61 7.03 -2.42 9.39  
SINCE JAN 1 9.65 9.54 0.11 11.65  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 8 -8 0  
MONTH TO DATE 80 105 -25 119  
SINCE MAR 1 1368 1447 -79 1471  
SINCE JUL 1 5718 6224 -506 6032  
 
COOLING  
YESTERDAY 0 1 -1 17  
MONTH TO DATE 13 7 6 34  
SINCE MAR 1 24 13 11 38  
SINCE JAN 1 24 13 11 38    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 6.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 2:00 AM  
LOWEST 28 1:00 PM  
AVERAGE 53  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 91 2022  
MINIMUM TEMPERATURE (F) 47 30 2021  
 
SUNRISE AND SUNSET  
MAY 12 2023...........SUNRISE 5:36 AM CDT SUNSET 8:03 PM CDT  
MAY 13 2023...........SUNRISE 5:35 AM CDT SUNSET 8:04 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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