928  
CDUS43 KLOT 190649  
CLIMDW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
149 AM CDT THU OCT 19 2023  
   
...............................
 
 
   
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR OCTOBER 18 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1928 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 67 4:10 PM 87 1950 63 4 50  
MINIMUM 46 6:03 AM 20 1948 46 0 37  
AVERAGE 57 54 3 44  
 
PRECIPITATION (IN)  
YESTERDAY 0.12 3.18 1985 0.11 0.01 0.00  
MONTH TO DATE 2.17 2.07 0.10 1.14  
SINCE SEP 1 5.77 4.84 0.93 3.20  
SINCE JAN 1 31.38 28.87 2.51 27.12  
 
DEGREE DAYS  
HEATING  
YESTERDAY 8 11 -3 21  
MONTH TO DATE 153 147 6 167  
SINCE SEP 1 168 206 -38 221  
SINCE JUL 1 169 210 -41 221  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 42 17 25 1  
SINCE SEP 1 179 153 26 215  
SINCE JAN 1 1141 1109 32 1487    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 10.3  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 11:00 PM  
LOWEST 47 4:00 PM  
AVERAGE 65  
   
......................................................
 
 
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 84 1971  
MINIMUM TEMPERATURE (F) 45 24 1930  
 
SUNRISE AND SUNSET  
OCTOBER 19 2023.......SUNRISE 7:08 AM CDT SUNSET 6:04 PM CDT  
OCTOBER 20 2023.......SUNRISE 7:09 AM CDT SUNSET 6:02 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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