296  
CDUS43 KLOT 110639  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1239 AM CST SUN FEB 11 2024  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR FEBRUARY 10 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 42 3:50 PM 63 1876 34 8 38  
MINIMUM 30 11:54 PM -18 1899 20 10 27  
AVERAGE 36 27 9 33  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.96 1960 0.07 -0.07 0.00  
MONTH TO DATE 0.02 0.60 -0.58 0.91  
SINCE DEC 1 6.49 4.70 1.79 5.67  
SINCE JAN 1 3.52 2.59 0.93 3.51  
 
SNOWFALL (IN)  
YESTERDAY 0.0 9.7 1981 0.4 -0.4 0.0  
MONTH TO DATE T 4.2 -4.2 T  
SINCE DEC 1 17.3 23.1 -5.8 13.1  
SINCE JUL 1 20.0 25.1 -5.1 14.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 29 38 -9 32  
MONTH TO DATE 246 390 -144 359  
SINCE DEC 1 2237 2693 -456 2465  
SINCE JUL 1 3201 3844 -643 3530  
 
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 16 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 8.0  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 3:00 AM  
LOWEST 53 3:00 PM  
AVERAGE 67  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 34 70 1999  
MINIMUM TEMPERATURE (F) 21 -14 1885  
 
SUNRISE AND SUNSET  
FEBRUARY 11 2024......SUNRISE 6:53 AM CST SUNSET 5:19 PM CST  
FEBRUARY 12 2024......SUNRISE 6:52 AM CST SUNSET 5:20 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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