046  
CDUS43 KLOT 122131  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
431 PM CDT WED MAY 12 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR MAY 12 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 63 1:54 PM 88 2011 70 -7  
MINIMUM 30R 4:30 AM 34 2020 47 -17  
AVERAGE 47 58 -11  
 
PRECIPITATION (IN)  
TODAY 0.00 1.26 2016 0.14 -0.14  
MONTH TO DATE 0.82 1.76 -0.94  
SINCE MAR 1 2.63 7.17 -4.54  
SINCE JAN 1 3.79 9.68 -5.89  
 
DEGREE DAYS  
HEATING  
TODAY 18 8 10  
MONTH TO DATE 163 113 50  
SINCE MAR 1 1306 1455 -149  
SINCE JUL 1 6105 6232 -127  
 
COOLING  
TODAY 0 1 -1  
MONTH TO DATE 6 8 -2  
SINCE MAR 1 16 14 2  
SINCE JAN 1 16 14 2    
............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION N (20)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 3.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 80 2011  
2017  
MINIMUM TEMPERATURE (F) 48 32 2013  
 
SUNRISE AND SUNSET  
MAY 12 2021...........SUNRISE 5:36 AM CDT SUNSET 8:04 PM CDT  
MAY 13 2021...........SUNRISE 5:35 AM CDT SUNSET 8:05 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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