956  
CDUS43 KLOT 012134  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
434 PM CDT MON MAY 01 2023  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR MAY 1 2023...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 46 2:59 PM 85 2018 65 -19 55  
2021  
MINIMUM 40 4:44 AM 30 2005 43 -3 49  
AVERAGE 43 54 -11 52  
 
PRECIPITATION (IN)  
TODAY 0.04 0.97 2003 0.15 -0.11 0.01  
MONTH TO DATE 0.04 0.15 -0.11 0.01  
SINCE MAR 1 4.32 5.56 -1.24 8.07  
SINCE JAN 1 9.36 8.07 1.29 10.33  
 
DEGREE DAYS  
HEATING  
TODAY 22 11 11 13  
MONTH TO DATE 22 11 11 13  
SINCE MAR 1 1310 1353 -43 1365  
SINCE JUL 1 5660 6130 -470 5926  
 
COOLING  
TODAY 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 28 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 17.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 3:00 AM  
LOWEST 73 5:00 AM  
AVERAGE 80  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 84 2018  
2021  
MINIMUM TEMPERATURE (F) 44 30 2004  
 
SUNRISE AND SUNSET  
MAY 1 2023...........SUNRISE 5:49 AM CDT SUNSET 7:51 PM CDT  
MAY 2 2023...........SUNRISE 5:48 AM CDT SUNSET 7:53 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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