486  
CDUS43 KLOT 202133  
CLIMDW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
433 PM CDT SAT JUL 20 2024  
   
...............................
 
 
   
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR JULY 20 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 81 2:29 PM 103 1934 85 -4 88  
MINIMUM 64 5:12 AM 50 1941 68 -4 71  
AVERAGE 73 77 -4 80  
 
PRECIPITATION (IN)  
TODAY 0.00 3.03 1978 0.12 -0.12 T  
MONTH TO DATE 5.24 2.25 2.99 9.80  
SINCE JUN 1 8.68 6.26 2.42 11.88  
SINCE JAN 1 24.66 18.74 5.92 21.41  
 
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 8 12 -4 15  
MONTH TO DATE 225 230 -5 204  
SINCE JUN 1 547 452 95 426  
SINCE JAN 1 660 534 126 525    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 5.0  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 73 6:00 AM  
LOWEST 38 12:00 PM  
AVERAGE 56  
   
......................................................
 
 
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 108 1934  
MINIMUM TEMPERATURE (F) 68 51 1970  
 
SUNRISE AND SUNSET  
JULY 20 2024..........SUNRISE 5:34 AM CDT SUNSET 8:20 PM CDT  
JULY 21 2024..........SUNRISE 5:35 AM CDT SUNSET 8:19 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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