861  
CDUS43 KLOT 012135  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
435 PM CDT SAT MAY 01 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR MAY 1 2021...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1997 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE  
VALUE (LST) VALUE VALUE FROM  
NORMAL    
............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 83 3:59 PM 85 2018 66 17  
MINIMUM 38 3:00 AM 30 2005 43 -5  
AVERAGE 61 55 6  
 
PRECIPITATION (IN)  
TODAY 0.00 0.97 2003 0.15 -0.15  
MONTH TO DATE 0.00 0.15 -0.15  
SINCE MAR 1 1.81 5.86 -4.05  
SINCE JAN 1 2.97 8.59 -5.62  
 
DEGREE DAYS  
HEATING  
TODAY 4 11 -7  
MONTH TO DATE 4 11 -7  
SINCE MAR 1 1147 1322 -175  
SINCE JUL 1 5946 6077 -131  
 
COOLING  
TODAY 0 0 0  
MONTH TO DATE 0 0 0  
SINCE MAR 1 10 4 6  
SINCE JAN 1 10 4 6    
............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 16 RESULTANT WIND DIRECTION S (190)  
HIGHEST WIND SPEED 33 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 44 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 17.3  
 
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 84 2018  
MINIMUM TEMPERATURE (F) 43 30 2004  
 
SUNRISE AND SUNSET  
MAY 1 2021...........SUNRISE 5:49 AM CDT SUNSET 7:52 PM CDT  
MAY 2 2021...........SUNRISE 5:47 AM CDT SUNSET 7:53 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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