795  
CDUS43 KLOT 302133  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
433 PM CDT FRI JUL 30 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR JULY 30 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 76 12:18 PM 98 1999 84 -8  
MINIMUM 60 4:36 AM 49 1997 63 -3  
AVERAGE 68 74 -6  
 
PRECIPITATION (IN)  
TODAY 0.00 0.84 2000 0.13 -0.13  
MONTH TO DATE 2.49 3.50 -1.01  
SINCE JUN 1 9.20 7.15 2.05  
SINCE JAN 1 14.35 19.41 -5.06  
 
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 8 -5  
MONTH TO DATE 257 265 -8  
SINCE JUN 1 507 440 67  
SINCE JAN 1 588 496 92    
............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION NE (30)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 8.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 98 2006  
MINIMUM TEMPERATURE (F) 63 50 1997  
 
SUNRISE AND SUNSET  
JULY 30 2021..........SUNRISE 5:45 AM CDT SUNSET 8:13 PM CDT  
JULY 31 2021..........SUNRISE 5:46 AM CDT SUNSET 8:12 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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