197  
CDUS43 KLOT 010649  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
149 AM CDT WED NOV 01 2023  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 31 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 35 1:13 PM 70 2000 55 -20 58  
2008  
MINIMUM 22R 2:39 AM 23 2019 37 -15 45  
AVERAGE 29 46 -17 52  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 0.88 2013 0.08 -0.06 0.03  
MONTH TO DATE 2.65 2.99 -0.34 1.80  
SINCE SEP 1 5.42 5.99 -0.57 4.15  
SINCE JAN 1 27.87 29.36 -1.49 28.88  
 
DEGREE DAYS  
HEATING  
YESTERDAY 36 19 17 13  
MONTH TO DATE 354 407 -53 420  
SINCE SEP 1 401 507 -106 518  
SINCE JUL 1 404 518 -114 518  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 27 11 16 9  
SINCE SEP 1 128 99 29 131  
SINCE JAN 1 802 823 -21 954    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 12.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
SNOW  
LIGHT SNOW  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 6:00 PM  
LOWEST 61 10:00 AM  
AVERAGE 77  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 55 76 2016  
MINIMUM TEMPERATURE (F) 36 20 2019  
 
SUNRISE AND SUNSET  
NOVEMBER 1 2023......SUNRISE 7:25 AM CDT SUNSET 5:47 PM CDT  
NOVEMBER 2 2023......SUNRISE 7:26 AM CDT SUNSET 5:46 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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