453  
CDUS43 KLOT 040643  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1243 AM CST WED MAR 04 2026  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR MARCH 3 2026...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1997 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 44 3:35 PM 72 2024 41 3 49  
MINIMUM 29 12:24 AM -7 2014 24 5 30  
AVERAGE 37 33 4 40  
 
PRECIPITATION (IN)  
YESTERDAY T 0.30 2008 0.06 -0.06 T  
MONTH TO DATE T 0.18 -0.18 T  
SINCE MAR 1 T 0.18 -0.18 T  
SINCE JAN 1 1.25 2.69 -1.44 1.57  
 
DEGREE DAYS  
HEATING  
YESTERDAY 28 32 -4 25  
MONTH TO DATE 98 98 0 105  
SINCE MAR 1 98 98 0 105  
SINCE JUL 1 4740 4875 -135 4426  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 5.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 10:00 PM  
LOWEST 56 3:00 AM  
AVERAGE 76  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 42 72 2024  
MINIMUM TEMPERATURE (F) 24 -9 2002  
 
SUNRISE AND SUNSET  
MARCH 4 2026.........SUNRISE 6:23 AM CST SUNSET 5:47 PM CST  
MARCH 5 2026.........SUNRISE 6:21 AM CST SUNSET 5:48 PM CST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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