140  
CDUS43 KLOT 302141  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
441 PM CDT TUE MAY 30 2023  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR MAY 30 2023...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1997 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 89 2:57 PM 90 2010 76 13 87  
MINIMUM 53 4:47 AM 36 2021 54 -1 68  
AVERAGE 71 65 6 78  
 
PRECIPITATION (IN)  
TODAY 0.00 1.64 2004 0.12 -0.12 0.00  
MONTH TO DATE 1.21 4.21 -3.00 4.08  
SINCE MAR 1 5.49 9.62 -4.13 12.14  
SINCE JAN 1 10.53 12.13 -1.60 14.40  
 
DEGREE DAYS  
HEATING  
TODAY 0 3 -3 0  
MONTH TO DATE 159 208 -49 187  
SINCE MAR 1 1447 1550 -103 1539  
SINCE JUL 1 5797 6327 -530 6100  
 
COOLING  
TODAY 6 3 3 13  
MONTH TO DATE 27 45 -18 105  
SINCE MAR 1 38 51 -13 109  
SINCE JAN 1 38 51 -13 109    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 3.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 72 5:00 AM  
LOWEST 29 3:00 PM  
AVERAGE 51  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 88 2014  
MINIMUM TEMPERATURE (F) 54 36 2003  
 
SUNRISE AND SUNSET  
MAY 30 2023...........SUNRISE 5:21 AM CDT SUNSET 8:20 PM CDT  
MAY 31 2023...........SUNRISE 5:21 AM CDT SUNSET 8:21 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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