933  
CDUS43 KLOT 100636  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1236 AM CST SUN MAR 10 2024  
   
...............................  
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MARCH 9 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 45 2:53 PM 69 1974 44 1 40  
2021  
MINIMUM 33 11:34 PM 5 1932 29 4 33  
1984  
AVERAGE 39 37 2 37  
 
PRECIPITATION (IN)  
YESTERDAY T 1.60 1998 0.07 -0.07 0.31  
MONTH TO DATE 1.73 0.70 1.03 0.79  
SINCE MAR 1 1.73 0.70 1.03 0.79  
SINCE JAN 1 5.88 4.66 1.22 7.22  
 
SNOWFALL (IN)  
YESTERDAY 0.0 6.5 1998 0.2 -0.2 0.3  
MONTH TO DATE 0.0 2.3 -2.3 0.3  
SINCE MAR 1 0.0 2.3 -2.3 0.3  
SINCE JUL 1 21.2 33.9 -12.7 18.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 26 28 -2 28  
MONTH TO DATE 171 269 -98 216  
SINCE MAR 1 171 269 -98 216  
SINCE JUL 1 3859 4738 -879 4251  
 
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 22 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 12.7  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 3:00 AM  
LOWEST 46 4:00 PM  
AVERAGE 68  
   
......................................................  
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 45 70 1955  
MINIMUM TEMPERATURE (F) 29 2 2003  
 
SUNRISE AND SUNSET  
MARCH 10 2024.........SUNRISE 7:11 AM CDT SUNSET 6:53 PM CDT  
MARCH 11 2024.........SUNRISE 7:09 AM CDT SUNSET 6:54 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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