348  
CDUS43 KLOT 012139  
CLIMDW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
439 PM CDT SUN OCT 01 2023  
   
...............................
 
 
   
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR OCTOBER 1 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 85 2:08 PM 92 1971 70 15 70  
MINIMUM 63 6:10 AM 32 1974 53 10 52  
AVERAGE 74 62 12 61  
 
PRECIPITATION (IN)  
TODAY 0.00 1.29 2016 0.11 -0.11 0.00  
MONTH TO DATE 0.00 0.11 -0.11 0.00  
SINCE SEP 1 3.60 2.88 0.72 2.06  
SINCE JAN 1 29.21 26.91 2.30 25.98  
 
DEGREE DAYS  
HEATING  
TODAY 0 5 -5 4  
MONTH TO DATE 0 5 -5 4  
SINCE SEP 1 15 64 -49 58  
SINCE JUL 1 16 68 -52 58  
 
COOLING  
TODAY 9 2 7 0  
MONTH TO DATE 9 2 7 0  
SINCE SEP 1 146 138 8 214  
SINCE JAN 1 1108 1094 14 1486    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 3.0  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 6:00 AM  
LOWEST 38 2:00 PM  
AVERAGE 60  
   
......................................................
 
 
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 91 1971  
MINIMUM TEMPERATURE (F) 52 28 1974  
 
SUNRISE AND SUNSET  
OCTOBER 1 2023.......SUNRISE 6:48 AM CDT SUNSET 6:33 PM CDT  
OCTOBER 2 2023.......SUNRISE 6:49 AM CDT SUNSET 6:31 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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