700  
CDUS43 KLOT 122138  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
438 PM CDT MON APR 12 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR APRIL 12 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 62 12:04 PM 80 2014 60 2  
MINIMUM 50 6:11 AM 23 2004 37 13  
AVERAGE 56 48 8  
 
PRECIPITATION (IN)  
TODAY 0.00 0.81 2005 0.11 -0.11  
MONTH TO DATE 0.87 1.14 -0.27  
SINCE MAR 1 1.76 3.50 -1.74  
SINCE JAN 1 2.92 6.23 -3.31  
 
DEGREE DAYS  
HEATING  
TODAY 9 17 -8  
MONTH TO DATE 143 227 -84  
SINCE MAR 1 848 1063 -215  
SINCE JUL 1 5647 5818 -171  
 
COOLING  
TODAY 0 0 0  
MONTH TO DATE 4 0 4  
SINCE MAR 1 4 0 4  
SINCE JAN 1 4 0 4    
............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 13 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 13.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 80 2006  
MINIMUM TEMPERATURE (F) 37 26 2004  
 
SUNRISE AND SUNSET  
APRIL 12 2021.........SUNRISE 6:17 AM CDT SUNSET 7:31 PM CDT  
APRIL 13 2021.........SUNRISE 6:15 AM CDT SUNSET 7:32 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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