713  
CDUS43 KLOT 010636  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
136 AM CDT WED APR 01 2026  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR MARCH 31 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 67 2:40 AM 78 2010 54 13 48  
MINIMUM 40 11:59 PM 19 2011 33 7 30  
AVERAGE 54 43 11 39  
 
PRECIPITATION (IN)  
YESTERDAY 0.09 0.59 2008 0.08 0.01 T  
MONTH TO DATE 4.57 1.97 2.60 2.90  
SINCE MAR 1 4.57 1.97 2.60 2.90  
SINCE JAN 1 5.82 4.48 1.34 4.47  
 
DEGREE DAYS  
HEATING  
YESTERDAY 11 22 -11 26  
MONTH TO DATE 672 849 -177 662  
SINCE MAR 1 672 849 -177 662  
SINCE JUL 1 5314 5626 -312 4983  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 2 -2 0  
SINCE MAR 1 0 2 -2 0  
SINCE JAN 1 0 2 -2 0    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 12.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 6:00 PM  
LOWEST 73 3:00 AM  
AVERAGE 82  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 54 83 2010  
MINIMUM TEMPERATURE (F) 33 22 2018  
 
SUNRISE AND SUNSET  
APRIL 1 2026.........SUNRISE 6:36 AM CDT SUNSET 7:19 PM CDT  
APRIL 2 2026.........SUNRISE 6:34 AM CDT SUNSET 7:20 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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