492  
CDUS43 KLOT 042233  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
433 PM CST WED MAR 04 2026  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR MARCH 4 2026...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 47 1:02 PM 72 2024 42 5 48  
MINIMUM 32 1:52 AM -9 2002 24 8 43  
AVERAGE 40 33 7 46  
 
PRECIPITATION (IN)  
TODAY 0.00 0.84 2011 0.05 -0.05 0.64  
MONTH TO DATE T 0.23 -0.23 0.64  
SINCE MAR 1 T 0.23 -0.23 0.64  
SINCE JAN 1 1.25 2.74 -1.49 2.21  
 
DEGREE DAYS  
HEATING  
TODAY 25 32 -7 19  
MONTH TO DATE 123 130 -7 124  
SINCE MAR 1 123 130 -7 124  
SINCE JUL 1 4765 4907 -142 4445  
 
COOLING  
TODAY 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 14 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 7.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 12:00 AM  
LOWEST 65 12:00 PM  
AVERAGE 83  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 42 69 2000  
MINIMUM TEMPERATURE (F) 25 0 2015  
 
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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