074  
CDUS43 KLOT 290634  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
134 AM CDT SAT MAY 29 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR MAY 28 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 49 12:33 AM 93 2018 75 -26 81  
MINIMUM 44R 10:40 PM 44 2004 53 -9 60  
AVERAGE 47 64 -17 71  
 
PRECIPITATION (IN)  
YESTERDAY 0.46 0.75 0.12 0.34 0.13  
MONTH TO DATE 2.18 3.96 -1.78 7.69  
SINCE MAR 1 3.99 9.37 -5.38 15.25  
SINCE JAN 1 5.15 11.88 -6.73 17.90  
 
DEGREE DAYS  
HEATING  
YESTERDAY 18 4 14 0  
MONTH TO DATE 230 201 29 244  
SINCE MAR 1 1373 1543 -170 1536  
SINCE JUL 1 6172 6320 -148 6126  
 
COOLING  
YESTERDAY 0 3 -3 6  
MONTH TO DATE 71 39 32 50  
SINCE MAR 1 81 45 36 51  
SINCE JAN 1 81 45 36 51    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 17 RESULTANT WIND DIRECTION NE (40)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 16.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 90 2006  
MINIMUM TEMPERATURE (F) 54 40 2008  
 
SUNRISE AND SUNSET  
MAY 29 2021...........SUNRISE 5:22 AM CDT SUNSET 8:20 PM CDT  
MAY 30 2021...........SUNRISE 5:21 AM CDT SUNSET 8:21 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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