561  
CDUS43 KLOT 222240  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
440 PM CST FRI JAN 22 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR JANUARY 22 2021...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1997 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE  
VALUE (LST) VALUE VALUE FROM  
NORMAL    
............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 27 12:30 AM 54 2018 31 -4  
MINIMUM 11 7:59 AM -3 2013 15 -4  
2014  
AVERAGE 19 23 -4  
 
PRECIPITATION (IN)  
TODAY 0.00 0.83 2018 0.04 -0.04  
MONTH TO DATE 0.52 0.90 -0.38  
SINCE DEC 1 2.37 2.62 -0.25  
SINCE JAN 1 0.52 0.90 -0.38  
 
DEGREE DAYS  
HEATING  
TODAY 46 42 4  
MONTH TO DATE 815 922 -107  
SINCE DEC 1 1888 2095 -207  
SINCE JUL 1 3059 3349 -290  
 
COOLING  
TODAY 0 0 0  
MONTH TO DATE 0 0 0  
SINCE DEC 1 0 0 0  
SINCE JAN 1 0 0 0    
............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 14 RESULTANT WIND DIRECTION NW (310)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 14.4  
 
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) 32 46 2002  
MINIMUM TEMPERATURE (F) 16 -7 2014  
 
SUNRISE AND SUNSET  
JANUARY 22 2021.......SUNRISE 7:14 AM CST SUNSET 4:56 PM CST  
JANUARY 23 2021.......SUNRISE 7:13 AM CST SUNSET 4:57 PM CST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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