575  
CDUS43 KLOT 010633  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
133 AM CDT THU JUL 01 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR JUNE 30 2021...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1997 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 83 3:51 PM 94 2019 84 -1 88  
MINIMUM 70 10:42 PM 49 2007 62 8 69  
AVERAGE 77 73 4 79  
 
PRECIPITATION (IN)  
YESTERDAY 0.50 1.83 0.10 0.40 0.00  
MONTH TO DATE 6.71 3.65 3.06 0.50  
SINCE JUN 1 6.71 3.65 3.06 0.50  
SINCE JAN 1 11.86 15.91 -4.05 18.40  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 11 30 -19 16  
SINCE JUN 1 11 30 -19 16  
SINCE JUL 1 6215 6360 -145 6153  
 
COOLING  
YESTERDAY 12 8 4 14  
MONTH TO DATE 250 175 75 235  
SINCE JUN 1 250 175 75 235  
SINCE JAN 1 331 231 100 286    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 4.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
HAZE  
   
......................................................
 
 
THE DU PAGE 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 2021..........SUNRISE 5:22 AM CDT SUNSET 8:32 PM CDT  
JULY 2 2021..........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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