623  
CDUS43 KLOT 102134  
CLIMDW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
434 PM CDT TUE OCT 10 2023  
   
...............................
 
 
   
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR OCTOBER 10 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 63 2:59 PM 87 1938 66 -3 76  
MINIMUM 40 5:41 AM 27 1964 49 -9 50  
AVERAGE 52 58 -6 63  
 
PRECIPITATION (IN)  
TODAY 0.00 3.94 1954 0.12 -0.12 0.00  
MONTH TO DATE 0.45 1.11 -0.66 0.10  
SINCE SEP 1 4.05 3.88 0.17 2.16  
SINCE JAN 1 29.66 27.91 1.75 26.08  
 
DEGREE DAYS  
HEATING  
TODAY 13 8 5 2  
MONTH TO DATE 66 68 -2 52  
SINCE SEP 1 81 127 -46 106  
SINCE JUL 1 82 131 -49 106  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 42 14 28 1  
SINCE SEP 1 179 150 29 215  
SINCE JAN 1 1141 1106 35 1487    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 9.6  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 67 6:00 AM  
LOWEST 33 1:00 PM  
AVERAGE 50  
   
......................................................
 
 
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 88 1928  
MINIMUM TEMPERATURE (F) 48 29 2009  
 
SUNRISE AND SUNSET  
OCTOBER 10 2023.......SUNRISE 6:57 AM CDT SUNSET 6:18 PM CDT  
OCTOBER 11 2023.......SUNRISE 6:59 AM CDT SUNSET 6:16 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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