924  
CDUS43 KLOT 240638  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
138 AM CDT SAT JUL 24 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR JULY 23 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 88 3:19 PM 93 1999 84 4 81  
MINIMUM 71 5:25 AM 48 2000 64 7 62  
AVERAGE 80 74 6 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.28 0.12 -0.12 0.00  
MONTH TO DATE 1.89 2.65 -0.76 1.29  
SINCE JUN 1 8.60 6.30 2.30 1.79  
SINCE JAN 1 13.75 18.56 -4.81 19.69  
 
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 15 9 6 7  
MONTH TO DATE 172 203 -31 263  
SINCE JUN 1 422 378 44 498  
SINCE JAN 1 503 434 69 549    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION SW (220)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 8.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 100 2005  
MINIMUM TEMPERATURE (F) 64 49 2000  
 
SUNRISE AND SUNSET  
JULY 24 2021..........SUNRISE 5:39 AM CDT SUNSET 8:19 PM CDT  
JULY 25 2021..........SUNRISE 5:40 AM CDT SUNSET 8:18 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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