444  
CDUS43 KLOT 042201  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
501 PM CDT TUE MAY 04 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR MAY 4 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 59 12:09 AM 80 1999 67 -8  
2000  
2010  
MINIMUM 52 3:59 PM 30 2005 44 8  
AVERAGE 56 55 1  
 
PRECIPITATION (IN)  
TODAY 0.00 1.22 2003 0.14 -0.14  
MONTH TO DATE 0.12 0.59 -0.47  
SINCE MAR 1 1.93 6.00 -4.07  
SINCE JAN 1 3.09 8.51 -5.42  
 
DEGREE DAYS  
HEATING  
TODAY 9 10 -1  
MONTH TO DATE 12 42 -30  
SINCE MAR 1 1155 1384 -229  
SINCE JUL 1 5954 6161 -207  
 
COOLING  
TODAY 0 0 0  
MONTH TO DATE 6 0 6  
SINCE MAR 1 16 6 10  
SINCE JAN 1 16 6 10    
............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION N (340)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 10.3  
 
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) 67 83 2000  
MINIMUM TEMPERATURE (F) 45 34 2005  
 
SUNRISE AND SUNSET  
MAY 4 2021...........SUNRISE 5:45 AM CDT SUNSET 7:55 PM CDT  
MAY 5 2021...........SUNRISE 5:44 AM CDT SUNSET 7:56 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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