529  
CDUS43 KLOT 130638  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
138 AM CDT TUE JUL 13 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR JULY 12 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 74 4:45 PM 90 2012 84 -10 80  
MINIMUM 66 5:30 AM 54 2002 63 3 63  
AVERAGE 70 74 -4 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.19 1.10 0.12 0.07 T  
MONTH TO DATE 0.48 1.33 -0.85 0.17  
SINCE JUN 1 7.19 4.98 2.21 0.67  
SINCE JAN 1 12.34 17.24 -4.90 18.57  
 
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 5 9 -4 7  
MONTH TO DATE 81 104 -23 156  
SINCE JUN 1 331 279 52 391  
SINCE JAN 1 412 335 77 442    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION NE (50)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 7.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 95 2019  
MINIMUM TEMPERATURE (F) 63 52 2002  
2007  
 
SUNRISE AND SUNSET  
JULY 13 2021..........SUNRISE 5:30 AM CDT SUNSET 8:28 PM CDT  
JULY 14 2021..........SUNRISE 5:30 AM CDT SUNSET 8:27 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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