788  
CDUS43 KLOT 010636  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
136 AM CDT MON MAY 01 2023  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR APRIL 30 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 48 10:21 AM 84 2013 65 -17 70  
MINIMUM 38 4:27 AM 31 2008 43 -5 51  
AVERAGE 43 54 -11 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.10 2.12 2003 0.16 -0.06 1.18  
MONTH TO DATE 2.46 3.44 -0.98 5.00  
SINCE MAR 1 4.28 5.41 -1.13 8.06  
SINCE JAN 1 9.32 7.92 1.40 10.32  
 
DEGREE DAYS  
HEATING  
YESTERDAY 22 11 11 4  
MONTH TO DATE 458 491 -33 565  
SINCE MAR 1 1288 1341 -53 1352  
SINCE JUL 1 5638 6118 -480 5913  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 11 4 7 4  
SINCE MAR 1 11 6 5 4  
SINCE JAN 1 11 6 5 4    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 13.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 10:00 PM  
LOWEST 63 9:00 AM  
AVERAGE 75  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 65 85 2018  
2021  
MINIMUM TEMPERATURE (F) 43 30 2005  
 
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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