773  
CDUS43 KLOT 020730  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
230 AM CDT SUN MAY 02 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR MAY 1 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 85R 5:13 PM 85 2018 66 19 67  
MINIMUM 38 3:00 AM 30 2005 43 -5 34  
AVERAGE 62 55 7 51  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.97 0.15 -0.15 0.00  
MONTH TO DATE 0.00 0.15 -0.15 0.00  
SINCE MAR 1 1.81 5.86 -4.05 7.56  
SINCE JAN 1 2.97 8.59 -5.62 10.21  
 
DEGREE DAYS  
HEATING  
YESTERDAY 3 11 -8 14  
MONTH TO DATE 3 11 -8 14  
SINCE MAR 1 1146 1322 -176 1306  
SINCE JUL 1 5945 6077 -132 5896  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 10 4 6 1  
SINCE JAN 1 10 4 6 1    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 16 RESULTANT WIND DIRECTION SW (210)  
HIGHEST WIND SPEED 36 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 51 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 18.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 84 2018  
MINIMUM TEMPERATURE (F) 43 30 2004  
 
SUNRISE AND SUNSET  
MAY 2 2021...........SUNRISE 5:47 AM CDT SUNSET 7:53 PM CDT  
MAY 3 2021...........SUNRISE 5:46 AM CDT SUNSET 7:54 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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