311  
CDUS43 KLOT 150639  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
139 AM CDT MON MAR 15 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR MARCH 14 2021...  
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
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 49 10:22 AM 80 2012 47 2 39  
MINIMUM 31 4:53 AM 16 1999 28 3 32  
2017  
AVERAGE 40 37 3 36  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.23 0.07 -0.07 T  
MONTH TO DATE 0.03 0.99 -0.96 0.95  
SINCE MAR 1 0.03 0.99 -0.96 0.95  
SINCE JAN 1 1.19 3.72 -2.53 3.60  
 
DEGREE DAYS  
HEATING  
YESTERDAY 25 28 -3 29  
MONTH TO DATE 345 422 -77 346  
SINCE MAR 1 345 422 -77 346  
SINCE JUL 1 5144 5177 -33 4936  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION NE (50)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 12.2  
 
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) 48 80 2012  
MINIMUM TEMPERATURE (F) 28 15 2017  
 
SUNRISE AND SUNSET  
MARCH 15 2021.........SUNRISE 7:04 AM CDT SUNSET 7:00 PM CDT  
MARCH 16 2021.........SUNRISE 7:03 AM CDT SUNSET 7:01 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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