478  
CDUS43 KLOT 040639  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1239 AM CST MON MAR 04 2024  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MARCH 3 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 73 2:42 PM 80 1974 42 31 38  
MINIMUM 43 3:53 AM -6 1873 27 16 33  
AVERAGE 58 34 24 36  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.21 1966 0.09 -0.09 0.00  
MONTH TO DATE 0.00 0.25 -0.25 0.28  
SINCE MAR 1 0.00 0.25 -0.25 0.28  
SINCE JAN 1 4.15 4.21 -0.06 6.71  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.9 1960 0.3 -0.3 0.0  
MONTH TO DATE 0.0 0.8 -0.8 0.0  
SINCE MAR 1 0.0 0.8 -0.8 0.0  
SINCE JUL 1 21.2 32.4 -11.2 17.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 7 31 -24 29  
MONTH TO DATE 50 93 -43 75  
SINCE MAR 1 50 93 -43 75  
SINCE JUL 1 3738 4562 -824 4110  
 
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 30 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 18.4  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 7:00 AM  
LOWEST 30 4:00 PM  
AVERAGE 58  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 42 73 1983  
MINIMUM TEMPERATURE (F) 27 -12 1873  
 
SUNRISE AND SUNSET  
MARCH 4 2024.........SUNRISE 6:21 AM CST SUNSET 5:46 PM CST  
MARCH 5 2024.........SUNRISE 6:19 AM CST SUNSET 5:47 PM CST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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