405  
CDUS43 KLOT 112140  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
440 PM CDT SUN JUL 11 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR JULY 11 2021...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1997 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE  
VALUE (LST) VALUE VALUE FROM  
NORMAL    
............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 69 10:57 AM 90 2005 84 -15  
MINIMUM 66 8:07 AM 50 1997 63 3  
AVERAGE 68 74 -6  
 
PRECIPITATION (IN)  
TODAY 0.05 0.93 2010 0.12 -0.07  
MONTH TO DATE 0.29 1.21 -0.92  
SINCE JUN 1 7.00 4.86 2.14  
SINCE JAN 1 12.15 17.12 -4.97  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0  
MONTH TO DATE 0 0 0  
SINCE JUN 1 11 33 -22  
SINCE JUL 1 0 0 0  
 
COOLING  
TODAY 3 9 -6  
MONTH TO DATE 76 95 -19  
SINCE JUN 1 326 270 56  
SINCE JAN 1 407 326 81    
............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION NE (50)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 11.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
LIGHT RAIN  
FOG  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 90 2012  
MINIMUM TEMPERATURE (F) 63 54 2002  
 
SUNRISE AND SUNSET  
JULY 11 2021..........SUNRISE 5:28 AM CDT SUNSET 8:29 PM CDT  
JULY 12 2021..........SUNRISE 5:29 AM CDT SUNSET 8:28 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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