426  
CDUS43 KLOT 180635  
CLIMDW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
133 AM CDT WED SEP 18 2019  
 
   
...............................
 
 
   
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR SEPTEMBER 17 2019
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1928 TO 2019  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 79 141 PM 93 1955 75 4 92  
MINIMUM 66 301 AM 39 1937 57 9 69  
AVERAGE 73 66 7 81  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.20 1978 0.10 -0.10 0.00  
MONTH TO DATE 2.51 1.91 0.60 1.48  
SINCE SEP 1 2.51 1.91 0.60 1.48  
SINCE JAN 1 32.42 28.46 3.96 27.28  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 0 23 -23 0  
SINCE SEP 1 0 23 -23 0  
SINCE JUL 1 0 28 -28 0  
 
COOLING  
YESTERDAY 8 3 5 16  
MONTH TO DATE 111 91 20 154  
SINCE SEP 1 111 91 20 154  
SINCE JAN 1 1029 1001 28 1319    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION E (90)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 7.3  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
   
......................................................
 
 
 
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 94 1955  
MINIMUM TEMPERATURE (F) 57 39 1929  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2019.....SUNRISE 634 AM CDT SUNSET 656 PM CDT  
SEPTEMBER 19 2019.....SUNRISE 635 AM CDT SUNSET 654 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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