493  
CDUS43 KLOT 222135  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
435 PM CDT THU JUL 22 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR JULY 22 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 85 2:59 PM 94 2001 84 1  
MINIMUM 61 2:20 AM 53 2000 64 -3  
2007  
AVERAGE 73 74 -1  
 
PRECIPITATION (IN)  
TODAY 0.00 1.01 2011 0.13 -0.13  
MONTH TO DATE 1.89 2.53 -0.64  
SINCE JUN 1 8.60 6.18 2.42  
SINCE JAN 1 13.75 18.44 -4.69  
 
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 8 9 -1  
MONTH TO DATE 156 194 -38  
SINCE JUN 1 406 369 37  
SINCE JAN 1 487 425 62    
............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 3.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 93 1999  
MINIMUM TEMPERATURE (F) 64 48 2000  
 
SUNRISE AND SUNSET  
JULY 22 2021..........SUNRISE 5:37 AM CDT SUNSET 8:21 PM CDT  
JULY 23 2021..........SUNRISE 5:38 AM CDT SUNSET 8:20 PM CDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab IL Page
The Nexlab IN Page Main Text Page