328  
CDUS43 KLOT 150635  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
135 AM CDT THU APR 15 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR APRIL 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 52 1:47 PM 85 2003 60 -8 41  
MINIMUM 31 5:31 AM 26 2020 37 -6 26  
AVERAGE 42 49 -7 34  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.66 0.11 -0.11 T  
MONTH TO DATE 0.87 1.35 -0.48 0.67  
SINCE MAR 1 1.76 3.71 -1.95 4.16  
SINCE JAN 1 2.92 6.44 -3.52 6.81  
 
DEGREE DAYS  
HEATING  
YESTERDAY 23 16 7 31  
MONTH TO DATE 187 260 -73 242  
SINCE MAR 1 892 1096 -204 995  
SINCE JUL 1 5691 5851 -160 5585  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 4 0 4 1  
SINCE MAR 1 4 0 4 1  
SINCE JAN 1 4 0 4 1    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION W (280)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 11.1  
 
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) 61 87 2002  
MINIMUM TEMPERATURE (F) 38 23 2014  
 
SUNRISE AND SUNSET  
APRIL 15 2021.........SUNRISE 6:12 AM CDT SUNSET 7:34 PM CDT  
APRIL 16 2021.........SUNRISE 6:11 AM CDT SUNSET 7:35 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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