409  
CDUS43 KLOT 280641  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
141 AM CDT FRI MAY 28 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR MAY 27 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 62 11:32 AM 96 2012 75 -13 85  
MINIMUM 48 2:44 PM 43 2008 53 -5 68  
AVERAGE 55 64 -9 77  
 
PRECIPITATION (IN)  
YESTERDAY 0.07 1.51 0.13 -0.06 0.13  
MONTH TO DATE 1.72 3.84 -2.12 7.56  
SINCE MAR 1 3.53 9.25 -5.72 15.12  
SINCE JAN 1 4.69 11.76 -7.07 17.77  
 
DEGREE DAYS  
HEATING  
YESTERDAY 10 4 6 0  
MONTH TO DATE 212 197 15 244  
SINCE MAR 1 1355 1539 -184 1536  
SINCE JUL 1 6154 6316 -162 6126  
 
COOLING  
YESTERDAY 0 3 -3 12  
MONTH TO DATE 71 36 35 44  
SINCE MAR 1 81 42 39 45  
SINCE JAN 1 81 42 39 45    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 15 RESULTANT WIND DIRECTION NE (50)  
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 15.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 93 2018  
MINIMUM TEMPERATURE (F) 53 44 2004  
 
SUNRISE AND SUNSET  
MAY 28 2021...........SUNRISE 5:22 AM CDT SUNSET 8:19 PM CDT  
MAY 29 2021...........SUNRISE 5:22 AM CDT SUNSET 8:20 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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