923  
CDUS43 KLOT 200643  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1242 AM CST SUN JAN 20 2019  
 
   
...............................
 
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR JANUARY 19 2019...  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1997 TO 2019  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 28 408 AM 55 2006 31 -3 38  
MINIMUM 10 1159 PM -5 2008 15 -5 22  
AVERAGE 19 23 -4 30  
 
PRECIPITATION (IN)  
YESTERDAY 0.07R T 0.04 0.03 0.00  
MONTH TO DATE 0.61 0.78 -0.17 0.28  
SINCE DEC 1 3.14 2.50 0.64 0.91  
SINCE JAN 1 0.61 0.78 -0.17 0.28  
 
DEGREE DAYS  
HEATING  
YESTERDAY 46 42 4 35  
MONTH TO DATE 682 796 -114 952  
SINCE DEC 1 1716 1969 -253 2192  
SINCE JUL 1 3231 3223 8 3402  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 18 RESULTANT WIND DIRECTION NE (30)  
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 19.3  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY SNOW  
SNOW  
LIGHT SNOW  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
HAZE  
BLOWING SNOW  
 
   
......................................................
 
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 31 45 2017  
MINIMUM TEMPERATURE (F) 15 -7 2008  
 
 
SUNRISE AND SUNSET  
JANUARY 20 2019.......SUNRISE 716 AM CST SUNSET 453 PM CST  
JANUARY 21 2019.......SUNRISE 715 AM CST SUNSET 454 PM CST  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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