324  
CDUS43 KLOT 152134  
CLIMDW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
434 PM CDT SUN OCT 15 2023  
   
...............................
 
 
   
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR OCTOBER 15 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 59 2:59 PM 88 1947 64 -5 55  
MINIMUM 46 7:16 AM 29 1937 47 -1 37  
AVERAGE 53 55 -2 46  
 
PRECIPITATION (IN)  
TODAY T 1.66 1967 0.12 -0.12 0.00  
MONTH TO DATE 2.05 1.72 0.33 1.14  
SINCE SEP 1 5.65 4.49 1.16 3.20  
SINCE JAN 1 31.26 28.52 2.74 27.12  
 
DEGREE DAYS  
HEATING  
TODAY 12 10 2 19  
MONTH TO DATE 116 115 1 108  
SINCE SEP 1 131 174 -43 162  
SINCE JUL 1 132 178 -46 162  
 
COOLING  
TODAY 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 17 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 12.9  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 3:00 AM  
LOWEST 51 3:00 PM  
AVERAGE 71  
   
......................................................
 
 
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 87 1963  
MINIMUM TEMPERATURE (F) 46 30 1944  
 
SUNRISE AND SUNSET  
OCTOBER 15 2023.......SUNRISE 7:03 AM CDT SUNSET 6:10 PM CDT  
OCTOBER 16 2023.......SUNRISE 7:04 AM CDT SUNSET 6:08 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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