720  
CDUS43 KLOT 112145  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
445 PM CDT MON MAR 11 2024  
   
...............................  
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MARCH 11 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 67 2:34 PM 74 1990 45 22 39  
MINIMUM 33 3:43 AM 3 1979 30 3 32  
AVERAGE 50 37 13 36  
 
PRECIPITATION (IN)  
TODAY 0.00 0.92 1957 0.07 -0.07 0.13  
MONTH TO DATE 1.73 0.85 0.88 1.07  
SINCE MAR 1 1.73 0.85 0.88 1.07  
SINCE JAN 1 5.88 4.81 1.07 7.50  
 
SNOWFALL (IN)  
TODAY 0.0 4.4 1941 0.2 -0.2 0.2  
MONTH TO DATE 0.0 2.8 -2.8 1.4  
SINCE MAR 1 0.0 2.8 -2.8 1.4  
SINCE JUL 1 21.2 34.4 -13.2 19.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 15 28 -13 29  
MONTH TO DATE 212 325 -113 275  
SINCE MAR 1 212 325 -113 275  
SINCE JUL 1 3900 4794 -894 4310  
 
COOLING  
TODAY 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 28 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 13.4  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 63 3:00 AM  
LOWEST 32 3:00 PM  
AVERAGE 48  
   
......................................................  
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 46 81 1990  
MINIMUM TEMPERATURE (F) 30 1 1948  
 
SUNRISE AND SUNSET  
MARCH 11 2024.........SUNRISE 7:09 AM CDT SUNSET 6:54 PM CDT  
MARCH 12 2024.........SUNRISE 7:08 AM CDT SUNSET 6:55 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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