176  
CDUS43 KLOT 220634  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
134 AM CDT TUE JUN 22 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR JUNE 21 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 72 3:40 PM 90 2005 82 -10 85  
MINIMUM 51 11:51 PM 46 2003 61 -10 65  
AVERAGE 62 71 -9 75  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.93 0.11 -0.11 0.00  
MONTH TO DATE 2.29 2.67 -0.38 0.46  
SINCE JUN 1 2.29 2.67 -0.38 0.46  
SINCE JAN 1 7.44 14.93 -7.49 18.36  
 
DEGREE DAYS  
HEATING  
YESTERDAY 3 0 3 0  
MONTH TO DATE 7 30 -23 16  
SINCE JUN 1 7 30 -23 16  
SINCE JUL 1 6211 6360 -149 6153  
 
COOLING  
YESTERDAY 0 7 -7 10  
MONTH TO DATE 172 107 65 148  
SINCE JUN 1 172 107 65 148  
SINCE JAN 1 253 163 90 199    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION NW (310)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 12.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 91 2002  
2009  
MINIMUM TEMPERATURE (F) 61 51 2001  
 
SUNRISE AND SUNSET  
JUNE 22 2021..........SUNRISE 5:18 AM CDT SUNSET 8:32 PM CDT  
JUNE 23 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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