955  
CDUS43 KLOT 210633  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
132 AM CDT SUN JUL 21 2019  
 
   
...............................
 
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR JULY 20 2019...  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1997 TO 2019  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 96 306 PM 97 2011 85 11 76  
MINIMUM 77 1159 PM 54 2009 63 14 67  
AVERAGE 87 74 13 72  
 
PRECIPITATION (IN)  
YESTERDAY T 1.21 0.16 -0.16 0.62  
MONTH TO DATE 3.51 2.39 1.12 1.05  
SINCE JUN 1 6.62 6.28 0.34 6.33  
SINCE JAN 1 24.40 19.30 5.10 18.77  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 15 36 -21 10  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 22 9 13 7  
MONTH TO DATE 300 180 120 195  
SINCE JUN 1 456 358 98 391  
SINCE JAN 1 490 404 86 505    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION S (190)  
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 44 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 10.9  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
   
......................................................
 
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 97 2011  
MINIMUM TEMPERATURE (F) 63 52 2007  
 
 
SUNRISE AND SUNSET  
JULY 21 2019..........SUNRISE 536 AM CDT SUNSET 822 PM CDT  
JULY 22 2019..........SUNRISE 537 AM CDT SUNSET 822 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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