236  
CDUS43 KLOT 190643  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
143 AM CDT FRI MAR 19 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR MARCH 18 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 46 3:38 PM 79 2012 49 -3 45  
MINIMUM 35 11:59 PM 18 2001 29 6 36  
2006  
AVERAGE 41 39 2 41  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 0.34 0.08 -0.07 0.34  
MONTH TO DATE 0.51 1.29 -0.78 1.33  
SINCE MAR 1 0.51 1.29 -0.78 1.33  
SINCE JAN 1 1.67 4.02 -2.35 3.98  
 
DEGREE DAYS  
HEATING  
YESTERDAY 24 26 -2 24  
MONTH TO DATE 459 529 -70 458  
SINCE MAR 1 459 529 -70 458  
SINCE JUL 1 5258 5284 -26 5048  
 
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 23 RESULTANT WIND DIRECTION NE (30)  
HIGHEST WIND SPEED 37 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 52 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 22.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 49 78 2012  
MINIMUM TEMPERATURE (F) 29 16 2013  
 
SUNRISE AND SUNSET  
MARCH 19 2021.........SUNRISE 6:58 AM CDT SUNSET 7:04 PM CDT  
MARCH 20 2021.........SUNRISE 6:56 AM CDT SUNSET 7:06 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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