843  
CDUS43 KLOT 190632  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
132 AM CDT MON APR 19 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR APRIL 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 62 1:27 PM 88 2002 62 0 58  
MINIMUM 36 5:51 AM 26 2018 38 -2 30  
AVERAGE 49 50 -1 44  
 
PRECIPITATION (IN)  
YESTERDAY T 2.34 0.12 -0.12 0.00  
MONTH TO DATE 0.87 1.80 -0.93 1.04  
SINCE MAR 1 1.76 4.16 -2.40 4.53  
SINCE JAN 1 2.92 6.89 -3.97 7.18  
 
DEGREE DAYS  
HEATING  
YESTERDAY 16 15 1 21  
MONTH TO DATE 261 322 -61 354  
SINCE MAR 1 966 1158 -192 1107  
SINCE JUL 1 5765 5913 -148 5697  
 
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 5 RESULTANT WIND DIRECTION SW (230)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 6.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 79 2005  
MINIMUM TEMPERATURE (F) 39 30 1999  
2010  
2014  
 
SUNRISE AND SUNSET  
APRIL 19 2021.........SUNRISE 6:06 AM CDT SUNSET 7:39 PM CDT  
APRIL 20 2021.........SUNRISE 6:04 AM CDT SUNSET 7:40 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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