529  
CDUS43 KLOT 190643  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
143 AM CDT FRI JUL 19 2024  
   
...............................  
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR JULY 18 2024  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1871 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 75 4:48 PM 100 1946 85 -10 81  
MINIMUM 61 5:11 AM 53 1979 67 -6 63  
AVERAGE 68 76 -8 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.90 1993 0.11 -0.11 0.00  
MONTH TO DATE 5.55 2.05 3.50 5.77  
SINCE JUN 1 8.65 6.15 2.50 8.13  
SINCE JAN 1 23.92 20.80 3.12 21.09  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1992 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE JUN 1 T 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 6 31 -25 25  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 3 11 -8 7  
MONTH TO DATE 187 189 -2 178  
SINCE JUN 1 465 388 77 383  
SINCE JAN 1 545 458 87 476    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 9.2  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 5:00 AM  
LOWEST 42 12:00 PM  
AVERAGE 60  
   
......................................................  
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 101 1930  
MINIMUM TEMPERATURE (F) 67 50 1873  
 
SUNRISE AND SUNSET  
JULY 19 2024..........SUNRISE 5:33 AM CDT SUNSET 8:22 PM CDT  
JULY 20 2024..........SUNRISE 5:34 AM CDT SUNSET 8:21 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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