235  
CDUS43 KLOT 152132  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
432 PM CDT SAT MAY 15 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR MAY 15 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 59 2:06 PM 87 2001 71 -12  
MINIMUM 50 4:39 AM 34 2016 48 2  
AVERAGE 55 60 -5  
 
PRECIPITATION (IN)  
TODAY 0.02 0.54 2009 0.14 -0.12  
MONTH TO DATE 0.84 2.19 -1.35  
SINCE MAR 1 2.65 7.60 -4.95  
SINCE JAN 1 3.81 10.11 -6.30  
 
DEGREE DAYS  
HEATING  
TODAY 10 7 3  
MONTH TO DATE 194 134 60  
SINCE MAR 1 1337 1476 -139  
SINCE JUL 1 6136 6253 -117  
 
COOLING  
TODAY 0 1 -1  
MONTH TO DATE 6 11 -5  
SINCE MAR 1 16 17 -1  
SINCE JAN 1 16 17 -1    
............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION S (190)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 8.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 88 2001  
MINIMUM TEMPERATURE (F) 49 34 2011  
 
SUNRISE AND SUNSET  
MAY 15 2021...........SUNRISE 5:32 AM CDT SUNSET 8:07 PM CDT  
MAY 16 2021...........SUNRISE 5:32 AM CDT SUNSET 8:08 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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