799  
CDUS43 KLOT 212136  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
436 PM CDT FRI MAY 21 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR MAY 21 2021...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1997 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE  
VALUE (LST) VALUE VALUE FROM  
NORMAL    
............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 86 12:34 PM 87 2009 73 13  
MINIMUM 62 4:51 AM 26 2002 51 11  
AVERAGE 74 62 12  
 
PRECIPITATION (IN)  
TODAY 0.00 1.48 2018 0.14 -0.14  
MONTH TO DATE 1.04 3.03 -1.99  
SINCE MAR 1 2.85 8.44 -5.59  
SINCE JAN 1 4.01 10.95 -6.94  
 
DEGREE DAYS  
HEATING  
TODAY 0 5 -5  
MONTH TO DATE 202 170 32  
SINCE MAR 1 1345 1512 -167  
SINCE JUL 1 6144 6289 -145  
 
COOLING  
TODAY 9 2 7  
MONTH TO DATE 30 22 8  
SINCE MAR 1 40 28 12  
SINCE JAN 1 40 28 12    
............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 10.6  
 
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) 73 88 2011  
MINIMUM TEMPERATURE (F) 51 34 2006  
 
SUNRISE AND SUNSET  
MAY 21 2021...........SUNRISE 5:27 AM CDT SUNSET 8:13 PM CDT  
MAY 22 2021...........SUNRISE 5:26 AM CDT SUNSET 8:14 PM CDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab IL Page
The Nexlab IN Page Main Text Page