169  
CDUS43 KLOT 220635  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1235 AM CST THU FEB 22 2024  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR FEBRUARY 21 2024...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1997 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 63 12:44 PM 65 2017 37 26 38  
MINIMUM 40 4:24 AM 5 2008 21 19 23  
AVERAGE 52 29 23 31  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.19 2010 0.05 -0.05 T  
MONTH TO DATE 0.10 0.87 -0.77 1.22  
SINCE DEC 1 4.43 3.81 0.62 4.99  
SINCE JAN 1 2.17 2.14 0.03 3.08  
 
DEGREE DAYS  
HEATING  
YESTERDAY 13 36 -23 34  
MONTH TO DATE 614 821 -207 717  
SINCE DEC 1 2717 3247 -530 2917  
SINCE JUL 1 3883 4533 -650 4148  
 
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 21 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 9.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 73 2:00 AM  
LOWEST 39 1:00 PM  
AVERAGE 56  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 37 67 2017  
MINIMUM TEMPERATURE (F) 21 2 2015  
 
SUNRISE AND SUNSET  
FEBRUARY 22 2024......SUNRISE 6:39 AM CST SUNSET 5:34 PM CST  
FEBRUARY 23 2024......SUNRISE 6:38 AM CST SUNSET 5:35 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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