385  
CDUS43 KLOT 150631  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
131 AM CDT MON MAY 15 2023  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR MAY 14 2023...  
 
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)  
YESTERDAY  
MAXIMUM 62 9:58 AM 91 2013 70 -8 87  
MINIMUM 53 11:59 PM 37 2000 48 5 62  
AVERAGE 58 59 -1 75  
 
PRECIPITATION (IN)  
YESTERDAY 0.07 3.69 2020 0.14 -0.07 0.00  
MONTH TO DATE 1.14 2.05 -0.91 1.33  
SINCE MAR 1 5.42 7.46 -2.04 9.39  
SINCE JAN 1 10.46 9.97 0.49 11.65  
 
DEGREE DAYS  
HEATING  
YESTERDAY 7 7 0 0  
MONTH TO DATE 89 127 -38 119  
SINCE MAR 1 1377 1469 -92 1471  
SINCE JUL 1 5727 6246 -519 6032  
 
COOLING  
YESTERDAY 0 1 -1 10  
MONTH TO DATE 15 10 5 71  
SINCE MAR 1 26 16 10 75  
SINCE JAN 1 26 16 10 75    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 10.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 5:00 PM  
LOWEST 51 11:00 AM  
AVERAGE 63  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 87 2001  
MINIMUM TEMPERATURE (F) 48 34 2016  
 
SUNRISE AND SUNSET  
MAY 15 2023...........SUNRISE 5:33 AM CDT SUNSET 8:06 PM CDT  
MAY 16 2023...........SUNRISE 5:32 AM CDT SUNSET 8:07 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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