001  
CDUS43 KLOT 100637  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1237 AM CST SAT FEB 10 2024  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR FEBRUARY 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 56R 2:13 PM 56 1886 34 22 42  
MINIMUM 36 11:59 PM -21 1899 20 16 36  
AVERAGE 46 27 19 39  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.56 1876 0.06 -0.06 0.91  
MONTH TO DATE 0.02 0.53 -0.51 0.91  
SINCE DEC 1 6.49 4.63 1.86 5.67  
SINCE JAN 1 3.52 2.52 1.00 3.51  
 
SNOWFALL (IN)  
YESTERDAY 0.0 12.6 2010 0.4 -0.4 T  
MONTH TO DATE T 3.8 -3.8 T  
SINCE DEC 1 17.3 22.7 -5.4 13.1  
SINCE JUL 1 20.0 24.7 -4.7 14.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 19 38 -19 26  
MONTH TO DATE 217 352 -135 327  
SINCE DEC 1 2208 2655 -447 2433  
SINCE JUL 1 3172 3806 -634 3498  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 13.2  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 12:00 AM  
LOWEST 47 12:00 PM  
AVERAGE 64  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 34 63 1876  
MINIMUM TEMPERATURE (F) 20 -18 1899  
 
SUNRISE AND SUNSET  
FEBRUARY 10 2024......SUNRISE 6:55 AM CST SUNSET 5:18 PM CST  
FEBRUARY 11 2024......SUNRISE 6:53 AM CST SUNSET 5:19 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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