204  
CDUS43 KLOT 160637  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
137 AM CDT TUE MAR 16 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR MARCH 15 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 39 1:05 AM 80 2012 48 -9 43  
MINIMUM 28 12:06 PM 15 2017 28 0 26  
AVERAGE 34 38 -4 35  
 
PRECIPITATION (IN)  
YESTERDAY 0.19 0.42 0.07 0.12 T  
MONTH TO DATE 0.22 1.06 -0.84 0.95  
SINCE MAR 1 0.22 1.06 -0.84 0.95  
SINCE JAN 1 1.38 3.79 -2.41 3.60  
 
DEGREE DAYS  
HEATING  
YESTERDAY 31 27 4 30  
MONTH TO DATE 376 449 -73 376  
SINCE MAR 1 376 449 -73 376  
SINCE JUL 1 5175 5204 -29 4966  
 
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 14 RESULTANT WIND DIRECTION E (90)  
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 14.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LT FREEZING RAIN  
SNOW  
LIGHT SNOW  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
HAZE  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 48 80 2012  
MINIMUM TEMPERATURE (F) 28 12 2014  
 
SUNRISE AND SUNSET  
MARCH 16 2021.........SUNRISE 7:03 AM CDT SUNSET 7:01 PM CDT  
MARCH 17 2021.........SUNRISE 7:01 AM CDT SUNSET 7:02 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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