840  
CDUS43 KLOT 300631  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
131 AM CDT SUN MAY 30 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR MAY 29 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 62 1:52 PM 90 2006 76 -14 74  
MINIMUM 35R 5:00 AM 40 2008 54 -19 54  
AVERAGE 49 64 -15 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.82 0.13 -0.13 T  
MONTH TO DATE 2.18 4.09 -1.91 7.69  
SINCE MAR 1 3.99 9.50 -5.51 15.25  
SINCE JAN 1 5.15 12.01 -6.86 17.90  
 
DEGREE DAYS  
HEATING  
YESTERDAY 16 4 12 1  
MONTH TO DATE 246 205 41 245  
SINCE MAR 1 1389 1547 -158 1537  
SINCE JUL 1 6188 6324 -136 6127  
 
COOLING  
YESTERDAY 0 3 -3 0  
MONTH TO DATE 71 42 29 50  
SINCE MAR 1 81 48 33 51  
SINCE JAN 1 81 48 33 51    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION NE (50)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 9.9  
 
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) 76 90 2010  
MINIMUM TEMPERATURE (F) 54 43 2005  
 
SUNRISE AND SUNSET  
MAY 30 2021...........SUNRISE 5:21 AM CDT SUNSET 8:21 PM CDT  
MAY 31 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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