489  
CDUS43 KLOT 010638  
CLIMDW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
138 AM CDT SAT AUG 01 2026  
   
...............................  
 
   
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR JULY 31 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 82 10:17 AM 99 1945 84 -2 78  
2006  
MINIMUM 71 9:47 PM 50 1936 68 3 69  
AVERAGE 77 76 1 74  
 
PRECIPITATION (IN)  
YESTERDAY 0.05 1.20 1986 0.12 -0.07 0.08  
MONTH TO DATE 6.18 3.55 2.63 6.66  
SINCE JUN 1 13.52 7.56 5.96 12.03  
SINCE JAN 1 27.41 20.04 7.37 21.60  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 3 24 -21 9  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 12 11 1 9  
MONTH TO DATE 394 353 41 444  
SINCE JUN 1 587 575 12 768  
SINCE JAN 1 671 657 14 819    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 9.2  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 8:00 PM  
LOWEST 52 11:00 AM  
AVERAGE 65  
   
......................................................  
 
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 100 1988  
MINIMUM TEMPERATURE (F) 68 52 1947  
 
SUNRISE AND SUNSET  
AUGUST 1 2026........SUNRISE 5:45 AM CDT SUNSET 8:09 PM CDT  
AUGUST 2 2026........SUNRISE 5:46 AM CDT SUNSET 8:08 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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