817  
CDUS43 KLOT 270632  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1232 AM CST MON JAN 27 2025  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JANUARY 26 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 33 2:59 PM 53 2002 31 2 39  
MINIMUM 16 7:57 AM -17 2019 16 0 34  
AVERAGE 25 23 2 37  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.35 2024 0.04 -0.04 0.35  
MONTH TO DATE 0.08 1.08 -1.00 2.07  
SINCE DEC 1 1.15 2.75 -1.60 4.33  
SINCE JAN 1 0.08 1.08 -1.00 2.07  
 
DEGREE DAYS  
HEATING  
YESTERDAY 40 42 -2 28  
MONTH TO DATE 1201 1083 118 1105  
SINCE DEC 1 2156 2217 -61 1957  
SINCE JUL 1 3070 3503 -433 3123  
 
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 17 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 8.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 73 8:00 AM  
LOWEST 39 3:00 PM  
AVERAGE 56  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 31 58 2002  
MINIMUM TEMPERATURE (F) 16 -14 2019  
 
SUNRISE AND SUNSET  
JANUARY 27 2025.......SUNRISE 7:10 AM CST SUNSET 5:02 PM CST  
JANUARY 28 2025.......SUNRISE 7:09 AM CST SUNSET 5:03 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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