621  
CDUS43 KLOT 040634  
CLIMDW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
134 AM CDT SUN OCT 04 2026  
   
...............................  
 
   
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR OCTOBER 3 2026  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1928 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 70 3:50 PM 91 1954 70 0 90  
MINIMUM 49 5:50 AM 29 1974 52 -3 66  
AVERAGE 60 61 -1 78  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 3.95 1954 0.11 -0.11 0.00  
MONTH TO DATE 1.40 0.34 1.06 0.00  
SINCE SEP 1 6.80 3.11 3.69 0.56  
SINCE JAN 1 38.94 27.14 11.80 25.38  
 
DEGREE DAYS  
HEATING  
YESTERDAY 5 6 -1 0  
MONTH TO DATE 10 17 -7 0  
SINCE SEP 1 37 76 -39 21  
SINCE JUL 1 37 80 -43 23  
 
COOLING  
YESTERDAY 0 2 -2 13  
MONTH TO DATE 2 6 -4 26  
SINCE SEP 1 206 142 64 230  
SINCE JAN 1 1177 1098 79 1371    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 5.6  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 6:00 AM  
LOWEST 42 2:00 PM  
AVERAGE 64  
   
......................................................  
 
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 90 1951  
MINIMUM TEMPERATURE (F) 51 34 1989  
 
SUNRISE AND SUNSET  
OCTOBER 4 2026.......SUNRISE 6:51 AM CDT SUNSET 6:27 PM CDT  
OCTOBER 5 2026.......SUNRISE 6:52 AM CDT SUNSET 6:26 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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