944  
CDUS43 KLOT 300631  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1231 AM CST THU JAN 30 2025  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JANUARY 29 2025...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1997 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 47 3:46 PM 62 2013 31 16 37  
MINIMUM 26 11:59 PM -12 2019 16 10 29  
AVERAGE 37 23 14 33  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.34 2013 0.04 -0.04 T  
MONTH TO DATE 0.08 1.19 -1.11 2.07  
SINCE DEC 1 1.15 2.86 -1.71 4.33  
SINCE JAN 1 0.08 1.19 -1.11 2.07  
 
DEGREE DAYS  
HEATING  
YESTERDAY 28 42 -14 32  
MONTH TO DATE 1293 1209 84 1195  
SINCE DEC 1 2248 2343 -95 2047  
SINCE JUL 1 3162 3629 -467 3213  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 11.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 72 11:00 PM  
LOWEST 35 3:00 PM  
AVERAGE 54  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 31 58 1999  
MINIMUM TEMPERATURE (F) 16 -24 2019  
 
SUNRISE AND SUNSET  
JANUARY 30 2025.......SUNRISE 7:07 AM CST SUNSET 5:06 PM CST  
JANUARY 31 2025.......SUNRISE 7:06 AM CST SUNSET 5:07 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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