193  
CDUS43 KLOT 010633  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
133 AM CDT SAT JUL 01 2023  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JUNE 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 88 11:24 AM 94 2019 84 4 91  
MINIMUM 66 3:24 AM 49 2007 62 4 69  
AVERAGE 77 73 4 80  
 
PRECIPITATION (IN)  
YESTERDAY T 1.83 2014 0.10 -0.10 0.00  
MONTH TO DATE 1.17 3.65 -2.48 1.95  
SINCE JUN 1 1.17 3.65 -2.48 1.95  
SINCE JAN 1 11.70 15.91 -4.21 16.63  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 29 30 -1 13  
SINCE JUN 1 29 30 -1 13  
SINCE JUL 1 5826 6360 -534 6113  
 
COOLING  
YESTERDAY 12 8 4 15  
MONTH TO DATE 151 175 -24 196  
SINCE JUN 1 151 175 -24 196  
SINCE JAN 1 202 231 -29 317    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 4.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 3:00 AM  
LOWEST 51 11:00 AM  
AVERAGE 76  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 92 2018  
MINIMUM TEMPERATURE (F) 62 48 2001  
 
SUNRISE AND SUNSET  
JULY 1 2023..........SUNRISE 5:21 AM CDT SUNSET 8:32 PM CDT  
JULY 2 2023..........SUNRISE 5:22 AM CDT SUNSET 8:32 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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