717  
CDUS43 KLOT 220633  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
133 AM CDT FRI MAR 22 2024  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MARCH 21 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 41 1:53 PM 87 2012 49 -8 54  
MINIMUM 27 4:29 AM 9 1885 33 -6 37  
1888  
AVERAGE 34 41 -7 46  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.07 2007 0.08 -0.08 T  
MONTH TO DATE 2.16 1.62 0.54 1.40  
SINCE MAR 1 2.16 1.62 0.54 1.40  
SINCE JAN 1 6.31 5.58 0.73 7.83  
 
SNOWFALL (IN)  
YESTERDAY 0.0 8.5 1992 0.1 -0.1 0.0  
MONTH TO DATE T 4.5 -4.5 1.8  
SINCE MAR 1 T 4.5 -4.5 1.8  
SINCE JUL 1 21.2 36.1 -14.9 19.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 31 24 7 19  
MONTH TO DATE 416 583 -167 579  
SINCE MAR 1 416 583 -167 579  
SINCE JUL 1 4104 5052 -948 4614  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 5.2  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 69 6:00 AM  
LOWEST 39 1:00 PM  
AVERAGE 54  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 49 83 2012  
MINIMUM TEMPERATURE (F) 33 -1 1888  
 
SUNRISE AND SUNSET  
MARCH 22 2024.........SUNRISE 6:51 AM CDT SUNSET 7:07 PM CDT  
MARCH 23 2024.........SUNRISE 6:49 AM CDT SUNSET 7:08 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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