942  
CDUS43 KLOT 210635  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
135 AM CDT MON JUN 21 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR JUNE 20 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 81 5:57 PM 93 2012 82 -1 88  
MINIMUM 59 3:54 AM 43 2003 60 -1 66  
AVERAGE 70 71 -1 77  
 
PRECIPITATION (IN)  
YESTERDAY 1.43R 0.83 0.12 1.31 T  
MONTH TO DATE 2.29 2.56 -0.27 0.46  
SINCE JUN 1 2.29 2.56 -0.27 0.46  
SINCE JAN 1 7.44 14.82 -7.38 18.36  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 4 30 -26 16  
SINCE JUN 1 4 30 -26 16  
SINCE JUL 1 6208 6360 -152 6153  
 
COOLING  
YESTERDAY 5 7 -2 12  
MONTH TO DATE 172 100 72 138  
SINCE JUN 1 172 100 72 138  
SINCE JAN 1 253 156 97 189    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION S (180)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 6.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 90 2005  
MINIMUM TEMPERATURE (F) 61 46 2003  
 
SUNRISE AND SUNSET  
JUNE 21 2021..........SUNRISE 5:18 AM CDT SUNSET 8:32 PM CDT  
JUNE 22 2021..........SUNRISE 5:18 AM CDT SUNSET 8:32 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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