778  
CDUS43 KLOT 312134  
CLIMDW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
434 PM CDT WED JUL 31 2024  
   
...............................
 
 
   
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR JULY 31 2024
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1928 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 92 2:59 PM 99 1945 84 8 82  
2006  
MINIMUM 73 5:39 AM 50 1936 68 5 64  
AVERAGE 83 76 7 73  
 
PRECIPITATION (IN)  
TODAY 0.00 1.20 1986 0.12 -0.12 0.00  
MONTH TO DATE 6.31 3.55 2.76 11.28  
SINCE JUN 1 9.75 7.56 2.19 13.36  
SINCE JAN 1 25.73 20.04 5.69 22.89  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 3 24 -21 16  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 18 11 7 8  
MONTH TO DATE 352 353 -1 345  
SINCE JUN 1 674 575 99 567  
SINCE JAN 1 787 657 130 666    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 7.0  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 6:00 AM  
LOWEST 40 2:00 PM  
AVERAGE 64  
   
......................................................
 
 
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 100 1988  
MINIMUM TEMPERATURE (F) 68 52 1947  
 
SUNRISE AND SUNSET  
JULY 31 2024..........SUNRISE 5:45 AM CDT SUNSET 8:09 PM CDT  
AUGUST 1 2024........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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