258  
CDUS43 KLOT 160639  
CLIMDW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
139 AM CDT SAT OCT 16 2021  
   
...............................
 
 
   
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR OCTOBER 15 2021
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1928 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 64 10:40 AM 88 1947 64 0 64  
MINIMUM 52 11:58 PM 29 1937 47 5 42  
AVERAGE 58 55 3 53  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 1.66 1967 0.12 -0.11 T  
MONTH TO DATE 2.75 1.72 1.03 0.76  
SINCE SEP 1 3.66 4.49 -0.83 3.67  
SINCE JAN 1 21.12 28.52 -7.40 29.02  
 
DEGREE DAYS  
HEATING  
YESTERDAY 7 10 -3 12  
MONTH TO DATE 12 115 -103 109  
SINCE SEP 1 25 174 -149 160  
SINCE JUL 1 25 178 -153 160  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 77 17 60 6  
SINCE SEP 1 294 153 141 104  
SINCE JAN 1 1460 1109 351 1268    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION NW (330)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 7.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
   
......................................................
 
 
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 87 1963  
MINIMUM TEMPERATURE (F) 46 30 1944  
 
SUNRISE AND SUNSET  
OCTOBER 16 2021.......SUNRISE 7:05 AM CDT SUNSET 6:08 PM CDT  
OCTOBER 17 2021.......SUNRISE 7:06 AM CDT SUNSET 6:06 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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