541  
CDUS43 KLOT 090655  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
155 AM CDT SUN MAY 09 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR MAY 8 2021...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
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 2:20 PM 89 2014 68 -12 48  
MINIMUM 30 6:11 AM 29 2020 46 -16 29  
AVERAGE 43 57 -14 39  
 
PRECIPITATION (IN)  
YESTERDAY 0.45 1.17 0.15 0.30 0.00  
MONTH TO DATE 0.59 1.18 -0.59 0.16  
SINCE MAR 1 2.40 6.59 -4.19 7.72  
SINCE JAN 1 3.56 9.10 -5.54 10.37  
 
DEGREE DAYS  
HEATING  
YESTERDAY 22 9 13 26  
MONTH TO DATE 89 80 9 116  
SINCE MAR 1 1232 1422 -190 1408  
SINCE JUL 1 6031 6199 -168 5998  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 6 4 2 0  
SINCE MAR 1 16 10 6 1  
SINCE JAN 1 16 10 6 1    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION E (100)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 4.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 86 2004  
MINIMUM TEMPERATURE (F) 46 26 2020  
 
SUNRISE AND SUNSET  
MAY 9 2021...........SUNRISE 5:39 AM CDT SUNSET 8:01 PM CDT  
MAY 10 2021...........SUNRISE 5:38 AM CDT SUNSET 8:02 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