778  
CDUS43 KLOT 192148  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
448 PM CDT WED JUL 19 2023  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR JULY 19 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1871 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 84 3:00 PM 101 1930 85 -1 90  
MINIMUM 63 MM 50 1873 67 -4 71  
AVERAGE 74 76 -2 81  
 
PRECIPITATION (IN)  
TODAY 0.00 1.96 1963 0.12 -0.12 0.00  
MONTH TO DATE 5.77 2.17 3.60 2.41  
SINCE JUN 1 8.13 6.27 1.86 5.07  
SINCE JAN 1 21.09 20.92 0.17 20.97  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE JUN 1 0.0 0.0 0.0 T  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 25 31 -6 7  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 9 11 -2 16  
MONTH TO DATE 187 200 -13 191  
SINCE JUN 1 392 399 -7 423  
SINCE JAN 1 485 469 16 568    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED 3.4  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 73 2:00 AM  
LOWEST 40 3:00 PM  
AVERAGE 57  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 101 1980  
MINIMUM TEMPERATURE (F) 67 53 1970  
 
SUNRISE AND SUNSET  
JULY 19 2023..........SUNRISE 5:33 AM CDT SUNSET 8:23 PM CDT  
JULY 20 2023..........SUNRISE 5:33 AM CDT SUNSET 8:22 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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