641  
CDUS43 KLOT 020632  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
132 AM CDT FRI JUL 02 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR JULY 1 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 80 10:59 AM 92 2018 84 -4 88  
MINIMUM 57 11:59 PM 48 2001 62 -5 69  
AVERAGE 69 73 -4 79  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.19 0.10 -0.10 0.00  
MONTH TO DATE 0.00 0.10 -0.10 0.00  
SINCE JUN 1 6.71 3.75 2.96 0.50  
SINCE JAN 1 11.86 16.01 -4.15 18.40  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 11 33 -22 16  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 4 8 -4 14  
MONTH TO DATE 4 8 -4 14  
SINCE JUN 1 254 183 71 249  
SINCE JAN 1 335 239 96 300    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION NE (30)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 10.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 95 2012  
MINIMUM TEMPERATURE (F) 63 42 2001  
 
SUNRISE AND SUNSET  
JULY 2 2021..........SUNRISE 5:22 AM CDT SUNSET 8:32 PM CDT  
JULY 3 2021..........SUNRISE 5:23 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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