463  
CDUS43 KLOT 210640  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1240 AM CST TUE NOV 21 2023  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR NOVEMBER 20 2023...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1997 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 51 12:50 PM 64 2003 46 5 34  
MINIMUM 34 1:39 AM 11 2022 29 5 11  
AVERAGE 43 38 5 23  
 
PRECIPITATION (IN)  
YESTERDAY 0.11 0.26 2007 0.08 0.03 0.00  
MONTH TO DATE 0.13 1.50 -1.37 0.69  
SINCE SEP 1 5.55 7.49 -1.94 4.84  
SINCE JAN 1 28.00 30.86 -2.86 29.57  
 
DEGREE DAYS  
HEATING  
YESTERDAY 22 28 -6 42  
MONTH TO DATE 412 471 -59 441  
SINCE SEP 1 813 978 -165 959  
SINCE JUL 1 816 989 -173 959  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 1  
SINCE SEP 1 128 99 29 132  
SINCE JAN 1 802 823 -21 955    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 11.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 11:00 PM  
LOWEST 52 12:00 PM  
AVERAGE 73  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 45 60 2010  
MINIMUM TEMPERATURE (F) 29 6 2014  
 
SUNRISE AND SUNSET  
NOVEMBER 21 2023......SUNRISE 6:50 AM CST SUNSET 4:28 PM CST  
NOVEMBER 22 2023......SUNRISE 6:51 AM CST SUNSET 4:27 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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