494  
CDUS43 KLOT 182135  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
435 PM CDT THU MAR 18 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR MARCH 18 2021...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1997 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE  
VALUE (LST) VALUE VALUE FROM  
NORMAL    
............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 45 2:59 PM 79 2012 49 -4  
MINIMUM 36 8:03 AM 18 2001 29 7  
2006  
AVERAGE 41 39 2  
 
PRECIPITATION (IN)  
TODAY 0.01 0.34 2020 0.08 -0.07  
MONTH TO DATE 0.51 1.29 -0.78  
SINCE MAR 1 0.51 1.29 -0.78  
SINCE JAN 1 1.67 4.02 -2.35  
 
DEGREE DAYS  
HEATING  
TODAY 24 26 -2  
MONTH TO DATE 459 529 -70  
SINCE MAR 1 459 529 -70  
SINCE JUL 1 5258 5284 -26  
 
COOLING  
TODAY 0 0 0  
MONTH TO DATE 0 0 0  
SINCE MAR 1 0 0 0  
SINCE JAN 1 0 0 0    
............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 25 RESULTANT WIND DIRECTION NE (40)  
HIGHEST WIND SPEED 37 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 52 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 25.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 49 78 2012  
MINIMUM TEMPERATURE (F) 29 16 2013  
 
SUNRISE AND SUNSET  
MARCH 18 2021.........SUNRISE 6:59 AM CDT SUNSET 7:03 PM CDT  
MARCH 19 2021.........SUNRISE 6:58 AM CDT SUNSET 7:04 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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