820  
CDUS43 KLOT 200631  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
131 AM CDT MON MAY 20 2024  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR MAY 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 78 3:01 PM 91 2012 72 6 74  
MINIMUM 60 11:59 PM 37 2002 50 10 50  
2008  
AVERAGE 69 61 8 62  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.37 2005 0.15 -0.15 0.07  
MONTH TO DATE 2.07 2.75 -0.68 1.21  
SINCE MAR 1 8.84 8.16 0.68 5.49  
SINCE JAN 1 11.29 10.67 0.62 10.53  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 6 -6 3  
MONTH TO DATE 71 159 -88 118  
SINCE MAR 1 1162 1501 -339 1406  
SINCE JUL 1 5223 6278 -1055 5756  
 
COOLING  
YESTERDAY 4 2 2 0  
MONTH TO DATE 19 18 1 15  
SINCE MAR 1 27 24 3 26  
SINCE JAN 1 27 24 3 26    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 7.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 5:00 AM  
LOWEST 37 11:00 AM  
AVERAGE 59  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 91 2012  
MINIMUM TEMPERATURE (F) 50 32 2002  
 
SUNRISE AND SUNSET  
MAY 20 2024...........SUNRISE 5:28 AM CDT SUNSET 8:12 PM CDT  
MAY 21 2024...........SUNRISE 5:27 AM CDT SUNSET 8:13 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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