922  
CDUS43 KLOT 200637  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
137 AM CDT SAT JUL 20 2024  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JULY 19 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 80 1:48 PM 97 2011 84 -4 84  
MINIMUM 57 3:18 AM 54 2014 64 -7 56  
AVERAGE 69 74 -5 70  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.44 2008 0.11 -0.11 0.00  
MONTH TO DATE 4.11 2.15 1.96 5.27  
SINCE JUN 1 9.14 5.80 3.34 6.44  
SINCE JAN 1 21.78 18.06 3.72 16.97  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 3 0 3 0  
SINCE JUN 1 16 33 -17 29  
SINCE JUL 1 3 0 3 0  
 
COOLING  
YESTERDAY 4 9 -5 5  
MONTH TO DATE 164 167 -3 144  
SINCE JUN 1 406 342 64 295  
SINCE JAN 1 460 398 62 346    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 2.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 1:00 AM  
LOWEST 39 2:00 PM  
AVERAGE 63  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 97 2011  
MINIMUM TEMPERATURE (F) 64 54 2009  
 
SUNRISE AND SUNSET  
JULY 20 2024..........SUNRISE 5:36 AM CDT SUNSET 8:23 PM CDT  
JULY 21 2024..........SUNRISE 5:37 AM CDT SUNSET 8:22 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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