871  
CDUS43 KLOT 182135  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
435 PM CDT SAT MAY 18 2024  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR MAY 18 2024...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 85 1:44 PM 89 1998 72 13 74  
MINIMUM 56 4:48 AM 30 2002 49 7 40  
AVERAGE 71 61 10 57  
 
PRECIPITATION (IN)  
TODAY 0.00 0.41 2004 0.14 -0.14 0.00  
MONTH TO DATE 2.07 2.60 -0.53 1.14  
SINCE MAR 1 8.84 8.01 0.83 5.42  
SINCE JAN 1 11.29 10.52 0.77 10.46  
 
DEGREE DAYS  
HEATING  
TODAY 0 6 -6 8  
MONTH TO DATE 71 153 -82 115  
SINCE MAR 1 1162 1495 -333 1403  
SINCE JUL 1 5223 6272 -1049 5753  
 
COOLING  
TODAY 6 2 4 0  
MONTH TO DATE 15 16 -1 15  
SINCE MAR 1 23 22 1 26  
SINCE JAN 1 23 22 1 26    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 5.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 4:00 AM  
LOWEST 44 3:00 PM  
AVERAGE 67  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 91 2012  
MINIMUM TEMPERATURE (F) 50 37 2002  
2008  
 
SUNRISE AND SUNSET  
MAY 18 2024...........SUNRISE 5:29 AM CDT SUNSET 8:10 PM CDT  
MAY 19 2024...........SUNRISE 5:29 AM CDT SUNSET 8:11 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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