150  
CDUS43 KLOT 270632  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
132 AM CDT THU MAY 27 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR MAY 26 2021...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1997 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 81 3:34 PM 90 2018 75 6 86  
MINIMUM 55 11:59 PM 37 2002 52 3 64  
AVERAGE 68 64 4 75  
 
PRECIPITATION (IN)  
YESTERDAY 0.48 1.49 0.13 0.35 0.00  
MONTH TO DATE 1.65 3.71 -2.06 7.43  
SINCE MAR 1 3.46 9.12 -5.66 14.99  
SINCE JAN 1 4.62 11.63 -7.01 17.64  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 4 -4 0  
MONTH TO DATE 202 193 9 244  
SINCE MAR 1 1345 1535 -190 1536  
SINCE JUL 1 6144 6312 -168 6126  
 
COOLING  
YESTERDAY 3 3 0 10  
MONTH TO DATE 71 33 38 32  
SINCE MAR 1 81 39 42 33  
SINCE JAN 1 81 39 42 33    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION W (280)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 11.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 96 2012  
MINIMUM TEMPERATURE (F) 53 43 2008  
 
SUNRISE AND SUNSET  
MAY 27 2021...........SUNRISE 5:23 AM CDT SUNSET 8:18 PM CDT  
MAY 28 2021...........SUNRISE 5:22 AM CDT SUNSET 8:19 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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