395  
CDUS43 KLOT 210636  
CLIPWK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
135 AM CDT SAT APR 21 2018  
 
   
...............................
 
 
   
..THE CHICAGO EXECUTIVE CLIMATE SUMMARY FOR APRIL 20 2018
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1996 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 60 255 PM 78 2014 60 0 71  
MINIMUM 29R 516 AM 29 2013 39 -10 46  
AVERAGE 45 49 -4 59  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.00 2000 0.10 -0.10 0.03  
MONTH TO DATE 2.57 1.69 0.88 3.35  
SINCE MAR 1 3.81 3.94 -0.13 6.56  
SINCE JAN 1 6.97 6.52 0.45 10.01  
 
DEGREE DAYS  
HEATING  
YESTERDAY 20 16 4 6  
MONTH TO DATE 560 383 177 260  
SINCE MAR 1 1452 1236 216 1102  
SINCE JUL 1 5914 5974 -60 5091  
 
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 2 RESULTANT WIND DIRECTION E (70)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 2.6  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
   
......................................................
 
 
 
THE CHICAGO EXECUTIVE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 82 2001  
MINIMUM TEMPERATURE (F) 39 31 2011  
 
 
SUNRISE AND SUNSET  
APRIL 21 2018.........SUNRISE 602 AM CDT SUNSET 740 PM CDT  
APRIL 22 2018.........SUNRISE 600 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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