402  
CDUS43 KLOT 100632  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1232 AM CST MON FEB 10 2025  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR FEBRUARY 9 2025
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1871 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 32 4:17 PM 56 1886 34 -2 56  
MINIMUM 22 11:59 PM -21 1899 20 2 36  
AVERAGE 27 27 0 46  
 
PRECIPITATION (IN)  
YESTERDAY T 1.56 1876 0.06 -0.06 0.00  
MONTH TO DATE 0.06 0.53 -0.47 0.02  
SINCE DEC 1 3.97 4.63 -0.66 6.49  
SINCE JAN 1 2.04 2.52 -0.48 3.52  
 
SNOWFALL (IN)  
YESTERDAY T 12.6 2010 0.4 -0.4 0.0  
MONTH TO DATE 0.1 3.8 -3.7 T  
SINCE DEC 1 7.1 22.7 -15.6 17.3  
SINCE JUL 1 10.0 24.7 -14.7 20.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 38 38 0 19  
MONTH TO DATE 308 352 -44 217  
SINCE DEC 1 2627 2655 -28 2208  
SINCE JUL 1 3394 3806 -412 3172  
 
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 (310)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 7.8  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 12:00 AM  
LOWEST 47 4:00 PM  
AVERAGE 63  
   
......................................................
 
 
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 2025......SUNRISE 6:54 AM CST SUNSET 5:19 PM CST  
FEBRUARY 11 2025......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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