334  
CDUS43 KLOT 212133  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
433 PM CDT SUN JUL 21 2024  
   
...............................  
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR JULY 21 2024  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 84 2:44 PM 103 1901 85 -1 82  
MINIMUM 66 5:35 AM 51 1970 67 -1 64  
AVERAGE 75 76 -1 73  
 
PRECIPITATION (IN)  
TODAY 0.00 1.78 1999 0.13 -0.13 0.00  
MONTH TO DATE 5.55 2.42 3.13 5.77  
SINCE JUN 1 8.65 6.52 2.13 8.13  
SINCE JAN 1 23.92 21.17 2.75 21.09  
 
SNOWFALL (IN)  
TODAY 0.0 T 1963 0.0 0.0 0.0  
1978  
2017  
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  
TODAY 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  
TODAY 10 11 -1 8  
MONTH TO DATE 209 222 -13 209  
SINCE JUN 1 487 421 66 414  
SINCE JAN 1 567 491 76 507    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 2.6  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 6:00 AM  
LOWEST 48 2:00 PM  
AVERAGE 66  
   
......................................................  
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 101 1934  
1991  
MINIMUM TEMPERATURE (F) 67 49 1947  
 
SUNRISE AND SUNSET  
JULY 21 2024..........SUNRISE 5:35 AM CDT SUNSET 8:21 PM CDT  
JULY 22 2024..........SUNRISE 5:36 AM CDT SUNSET 8:20 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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