965  
CDUS43 KLOT 200639  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
137 AM CDT FRI APR 20 2018  
 
   
...............................
 
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR APRIL 19 2018...  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1997 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 54 324 PM 79 2005 62 -8 68  
MINIMUM 31 1159 PM 30 2014 39 -8 46  
2010  
1999  
AVERAGE 43 51 -8 57  
 
PRECIPITATION (IN)  
YESTERDAY T 0.65 0.11 -0.11 0.06  
MONTH TO DATE 1.42 1.91 -0.49 2.48  
SINCE MAR 1 3.12 4.27 -1.15 5.79  
SINCE JAN 1 5.32 7.00 -1.68 9.20  
 
DEGREE DAYS  
HEATING  
YESTERDAY 22 15 7 8  
MONTH TO DATE 562 337 225 231  
SINCE MAR 1 1448 1173 275 1050  
SINCE JUL 1 6320 5928 392 5149  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 6  
SINCE MAR 1 0 0 0 6  
SINCE JAN 1 0 0 0 6    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION N (350)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 8.7  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
HAZE  
 
   
......................................................
 
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 80 2014  
MINIMUM TEMPERATURE (F) 39 27 2013  
 
 
SUNRISE AND SUNSET  
APRIL 20 2018.........SUNRISE 605 AM CDT SUNSET 740 PM CDT  
APRIL 21 2018.........SUNRISE 603 AM CDT SUNSET 741 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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