333  
CDUS43 KLOT 192156  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
456 PM CDT WED MAY 19 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR MAY 19 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 75 1:08 PM 91 2012 72 3  
MINIMUM 64 7:59 AM 37 2002 50 14  
2008  
AVERAGE 70 61 9  
 
PRECIPITATION (IN)  
TODAY 0.01 1.37 2005 0.15 -0.14  
MONTH TO DATE 1.03 2.75 -1.72  
SINCE MAR 1 2.84 8.16 -5.32  
SINCE JAN 1 4.00 10.67 -6.67  
 
DEGREE DAYS  
HEATING  
TODAY 0 6 -6  
MONTH TO DATE 202 159 43  
SINCE MAR 1 1345 1501 -156  
SINCE JUL 1 6144 6278 -134  
 
COOLING  
TODAY 5 2 3  
MONTH TO DATE 11 18 -7  
SINCE MAR 1 21 24 -3  
SINCE JAN 1 21 24 -3    
............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION S (160)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 12.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 91 2012  
MINIMUM TEMPERATURE (F) 50 32 2002  
 
SUNRISE AND SUNSET  
MAY 19 2021...........SUNRISE 5:29 AM CDT SUNSET 8:11 PM CDT  
MAY 20 2021...........SUNRISE 5:28 AM CDT SUNSET 8:12 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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