089  
CDUS43 KLOT 292135  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
435 PM CDT THU JUL 29 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR JULY 29 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 90 2:29 PM 95 1999 84 6  
MINIMUM 70 4:12 AM 52 1997 63 7  
2003  
2013  
AVERAGE 80 74 6  
 
PRECIPITATION (IN)  
TODAY 0.19 0.53 2016 0.11 0.08  
MONTH TO DATE 2.49 3.37 -0.88  
SINCE JUN 1 9.20 7.02 2.18  
SINCE JAN 1 14.35 19.28 -4.93  
 
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 15 9 6  
MONTH TO DATE 257 257 0  
SINCE JUN 1 507 432 75  
SINCE JAN 1 588 488 100    
............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 40 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 65 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 13.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
HEAVY RAIN  
LIGHT RAIN  
FOG  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 98 1999  
MINIMUM TEMPERATURE (F) 63 49 1997  
 
SUNRISE AND SUNSET  
JULY 29 2021..........SUNRISE 5:44 AM CDT SUNSET 8:14 PM CDT  
JULY 30 2021..........SUNRISE 5:45 AM CDT SUNSET 8:13 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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