267  
CDUS43 KLOT 300631  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
131 AM CDT WED JUN 30 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR JUNE 29 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 86 2:37 PM 93 2018 83 3 91  
MINIMUM 70 4:32 AM 50 2016 62 8 69  
AVERAGE 78 73 5 80  
 
PRECIPITATION (IN)  
YESTERDAY 0.73 0.94 0.10 0.63 MM  
MONTH TO DATE 6.21 3.55 2.66 0.50  
SINCE JUN 1 6.21 3.55 2.66 0.50  
SINCE JAN 1 11.36 15.81 -4.45 18.40  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 11 30 -19 16  
SINCE JUN 1 11 30 -19 16  
SINCE JUL 1 6215 6360 -145 6153  
 
COOLING  
YESTERDAY 13 8 5 15  
MONTH TO DATE 238 168 70 221  
SINCE JUN 1 238 168 70 221  
SINCE JAN 1 319 224 95 272    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SW (220)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 6.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 94 2019  
MINIMUM TEMPERATURE (F) 62 49 2007  
 
SUNRISE AND SUNSET  
JUNE 30 2021..........SUNRISE 5:21 AM CDT SUNSET 8:32 PM CDT  
JULY 1 2021..........SUNRISE 5:22 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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