486  
CDUS43 KLOT 090639  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1239 AM CST SAT MAR 09 2024  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MARCH 8 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 46 2:26 AM 78 2000 44 2 47  
MINIMUM 39 11:59 PM -7 1943 29 10 36  
AVERAGE 43 36 7 42  
 
PRECIPITATION (IN)  
YESTERDAY 0.91 1.67 2009 0.07 0.84 0.00  
MONTH TO DATE 1.73 0.63 1.10 0.48  
SINCE MAR 1 1.73 0.63 1.10 0.48  
SINCE JAN 1 5.88 4.59 1.29 6.91  
 
SNOWFALL (IN)  
YESTERDAY 0.0 5.3 1931 0.3 -0.3 0.0  
MONTH TO DATE 0.0 2.1 -2.1 0.0  
SINCE MAR 1 0.0 2.1 -2.1 0.0  
SINCE JUL 1 21.2 33.7 -12.5 17.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 22 29 -7 23  
MONTH TO DATE 145 241 -96 188  
SINCE MAR 1 145 241 -96 188  
SINCE JUL 1 3833 4710 -877 4223  
 
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 20 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 11.8  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 3:00 PM  
LOWEST 76 12:00 AM  
AVERAGE 86  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 44 69 1974  
2021  
MINIMUM TEMPERATURE (F) 29 5 1932  
1984  
 
SUNRISE AND SUNSET  
MARCH 9 2024.........SUNRISE 6:13 AM CST SUNSET 5:52 PM CST  
MARCH 10 2024.........SUNRISE 7:11 AM CDT SUNSET 6:53 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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