578  
CDUS43 KLOT 030638  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
138 AM CDT WED MAY 03 2023  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR MAY 2 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 57 11:54 AM 84 2018 66 -9 54  
2021  
MINIMUM 42 11:59 PM 30 2004 44 -2 47  
AVERAGE 50 55 -5 51  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.15 2018 0.15 -0.15 0.00  
MONTH TO DATE 0.04 0.30 -0.26 0.01  
SINCE MAR 1 4.32 5.71 -1.39 8.07  
SINCE JAN 1 9.36 8.22 1.14 10.33  
 
DEGREE DAYS  
HEATING  
YESTERDAY 15 11 4 14  
MONTH TO DATE 34 22 12 27  
SINCE MAR 1 1322 1364 -42 1379  
SINCE JUL 1 5672 6141 -469 5940  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 11 6 5 4  
SINCE JAN 1 11 6 5 4    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 16.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 67 5:00 AM  
LOWEST 41 2:00 PM  
AVERAGE 54  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 84 2001  
2012  
MINIMUM TEMPERATURE (F) 44 27 2004  
 
SUNRISE AND SUNSET  
MAY 3 2023...........SUNRISE 5:47 AM CDT SUNSET 7:54 PM CDT  
MAY 4 2023...........SUNRISE 5:46 AM CDT SUNSET 7:55 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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