456  
CDUS43 KLOT 252134  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
434 PM CDT TUE MAY 25 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR MAY 25 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 86 1:07 PM 89 2010 74 12  
2018  
MINIMUM 68 3:00 AM 39 2002 52 16  
AVERAGE 77 63 14  
 
PRECIPITATION (IN)  
TODAY T 1.04 2011 0.13 -0.13  
MONTH TO DATE 1.04 3.58 -2.54  
SINCE MAR 1 2.85 8.99 -6.14  
SINCE JAN 1 4.01 11.50 -7.49  
 
DEGREE DAYS  
HEATING  
TODAY 0 4 -4  
MONTH TO DATE 202 189 13  
SINCE MAR 1 1345 1531 -186  
SINCE JUL 1 6144 6308 -164  
 
COOLING  
TODAY 12 2 10  
MONTH TO DATE 68 30 38  
SINCE MAR 1 78 36 42  
SINCE JAN 1 78 36 42    
............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 13 RESULTANT WIND DIRECTION SW (220)  
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 13.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 90 2018  
MINIMUM TEMPERATURE (F) 52 37 2002  
 
SUNRISE AND SUNSET  
MAY 25 2021...........SUNRISE 5:24 AM CDT SUNSET 8:16 PM CDT  
MAY 26 2021...........SUNRISE 5:23 AM CDT SUNSET 8:17 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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