599  
CDUS43 KLOT 250638  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
138 AM CDT TUE MAY 25 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR MAY 24 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 90 2:20 PM 91 2010 74 16 87  
MINIMUM 57 3:47 AM 34 2013 52 5 59  
AVERAGE 74 63 11 73  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.37 0.13 -0.13 0.00  
MONTH TO DATE 1.04 3.45 -2.41 7.24  
SINCE MAR 1 2.85 8.86 -6.01 14.80  
SINCE JAN 1 4.01 11.37 -7.36 17.45  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 5 -5 0  
MONTH TO DATE 202 185 17 244  
SINCE MAR 1 1345 1527 -182 1536  
SINCE JUL 1 6144 6304 -160 6126  
 
COOLING  
YESTERDAY 9 2 7 8  
MONTH TO DATE 56 28 28 12  
SINCE MAR 1 66 34 32 13  
SINCE JAN 1 66 34 32 13    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 7.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 89 2010  
2018  
MINIMUM TEMPERATURE (F) 52 39 2002  
 
SUNRISE AND SUNSET  
MAY 25 2021...........SUNRISE 5:24 AM CDT SUNSET 8:16 PM CDT  
MAY 26 2021...........SUNRISE 5:23 AM CDT SUNSET 8:17 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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