366  
CDUS43 KLOT 110635  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
135 AM CDT SUN APR 11 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR APRIL 10 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 56 12:32 PM 83 2011 59 -3 50  
MINIMUM 40 3:46 AM 22 2003 36 4 31  
AVERAGE 48 47 1 41  
 
PRECIPITATION (IN)  
YESTERDAY 0.27 0.74 0.11 0.16 0.00  
MONTH TO DATE 0.86 0.93 -0.07 0.33  
SINCE MAR 1 1.75 3.29 -1.54 3.82  
SINCE JAN 1 2.91 6.02 -3.11 6.47  
 
DEGREE DAYS  
HEATING  
YESTERDAY 17 18 -1 24  
MONTH TO DATE 119 193 -74 163  
SINCE MAR 1 824 1029 -205 916  
SINCE JUL 1 5623 5784 -161 5506  
 
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 6 RESULTANT WIND DIRECTION NE (60)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 8.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
LIGHT RAIN  
FOG  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 78 2005  
MINIMUM TEMPERATURE (F) 36 25 2004  
 
SUNRISE AND SUNSET  
APRIL 11 2021.........SUNRISE 6:19 AM CDT SUNSET 7:30 PM CDT  
APRIL 12 2021.........SUNRISE 6:17 AM CDT SUNSET 7:31 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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