176  
CDUS43 KLOT 190632  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
132 AM CDT SAT JUN 19 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR JUNE 18 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 91 5:05 PM 93 2018 82 9 89  
MINIMUM 66 11:14 PM 45 1999 60 6 57  
2005  
AVERAGE 79 71 8 73  
 
PRECIPITATION (IN)  
YESTERDAY 0.23 1.97 0.12 0.11 0.00  
MONTH TO DATE 0.86 2.33 -1.47 0.46  
SINCE JUN 1 0.86 2.33 -1.47 0.46  
SINCE JAN 1 6.01 14.59 -8.58 18.36  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 4 29 -25 16  
SINCE JUN 1 4 29 -25 16  
SINCE JUL 1 6208 6359 -151 6153  
 
COOLING  
YESTERDAY 14 6 8 8  
MONTH TO DATE 156 87 69 114  
SINCE JUN 1 156 87 69 114  
SINCE JAN 1 237 143 94 165    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION SW (230)  
HIGHEST WIND SPEED 37 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 51 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 8.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
RAIN  
LIGHT RAIN  
FOG  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 93 2012  
MINIMUM TEMPERATURE (F) 60 45 2003  
 
SUNRISE AND SUNSET  
JUNE 19 2021..........SUNRISE 5:18 AM CDT SUNSET 8:31 PM CDT  
JUNE 20 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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