407  
CDUS43 KLOT 310638  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
138 AM CDT MON MAY 31 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR MAY 30 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 71 3:41 PM 90 2010 76 -5 72  
MINIMUM 36R 2:15 AM 43 2005 54 -18 48  
AVERAGE 54 65 -11 60  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.64 0.12 -0.12 0.00  
MONTH TO DATE 2.18 4.21 -2.03 7.69  
SINCE MAR 1 3.99 9.62 -5.63 15.25  
SINCE JAN 1 5.15 12.13 -6.98 17.90  
 
DEGREE DAYS  
HEATING  
YESTERDAY 11 3 8 5  
MONTH TO DATE 257 208 49 250  
SINCE MAR 1 1400 1550 -150 1542  
SINCE JUL 1 6199 6327 -128 6132  
 
COOLING  
YESTERDAY 0 3 -3 0  
MONTH TO DATE 71 45 26 50  
SINCE MAR 1 81 51 30 51  
SINCE JAN 1 81 51 30 51    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION E (100)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 2.6  
 
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 88 2014  
MINIMUM TEMPERATURE (F) 54 36 2003  
 
SUNRISE AND SUNSET  
MAY 31 2021...........SUNRISE 5:21 AM CDT SUNSET 8:21 PM CDT  
JUNE 1 2021..........SUNRISE 5:20 AM CDT SUNSET 8:22 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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