340  
CDUS43 KLOT 230636  
CLIMDW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
136 AM CDT SUN APR 23 2017  
 
   
...............................
 
 
   
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR APRIL 22 2017
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1928 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 58 439 PM 91 1980 62 -4 58  
MINIMUM 44 357 AM 25 1936 44 0 44  
AVERAGE 51 53 -2 51  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.50 1999 0.12 -0.12 0.00  
MONTH TO DATE 2.97 2.64 0.33 1.15  
SINCE MAR 1 7.14 5.36 1.78 4.03  
SINCE JAN 1 12.25 9.36 2.89 4.81  
 
DEGREE DAYS  
HEATING  
YESTERDAY 14 13 1 14  
MONTH TO DATE 242 361 -119 361  
SINCE MAR 1 1016 1173 -157 965  
SINCE JUL 1 4662 5684 -1022 4603  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 11 4 7 4  
SINCE MAR 1 11 5 6 5  
SINCE JAN 1 11 5 6 5    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION NE (40)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 10.5  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
   
......................................................
 
 
 
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 88 1960  
MINIMUM TEMPERATURE (F) 44 28 1936  
 
 
SUNRISE AND SUNSET  
APRIL 23 2017.........SUNRISE 558 AM CDT SUNSET 741 PM CDT  
APRIL 24 2017.........SUNRISE 557 AM CDT SUNSET 742 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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