420  
CDUS43 KLOT 050638  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
138 AM CDT FRI MAY 05 2023  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR MAY 4 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 73 3:47 PM 80 1999 67 6 58  
2000  
2010  
MINIMUM 38 4:41 AM 30 2005 44 -6 36  
AVERAGE 56 55 1 47  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.22 2003 0.14 -0.14 0.00  
MONTH TO DATE 0.04 0.59 -0.55 0.97  
SINCE MAR 1 4.32 6.00 -1.68 9.03  
SINCE JAN 1 9.36 8.51 0.85 11.29  
 
DEGREE DAYS  
HEATING  
YESTERDAY 9 10 -1 18  
MONTH TO DATE 59 42 17 64  
SINCE MAR 1 1347 1384 -37 1416  
SINCE JUL 1 5697 6161 -464 5977  
 
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 17 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 6.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 5:00 AM  
LOWEST 29 4:00 PM  
AVERAGE 58  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 83 2000  
MINIMUM TEMPERATURE (F) 45 34 2005  
 
SUNRISE AND SUNSET  
MAY 5 2023...........SUNRISE 5:44 AM CDT SUNSET 7:56 PM CDT  
MAY 6 2023...........SUNRISE 5:43 AM CDT SUNSET 7:57 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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