897  
CDUS43 KLOT 182234  
CLIMDW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
434 PM CST TUE FEB 18 2025  
   
...............................
 
 
   
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR FEBRUARY 18 2025
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1928 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 16 2:51 PM 70 2017 38 -22 47  
MINIMUM -2 7:42 AM -16 1936 23 -25 24  
AVERAGE 7 30 -23 36  
 
PRECIPITATION (IN)  
TODAY 0.00 0.84 1951 0.06 -0.06 0.00  
MONTH TO DATE 0.16 0.86 -0.70 0.20  
SINCE DEC 1 3.25 4.13 -0.88 5.16  
SINCE JAN 1 1.32 2.34 -1.02 2.49  
 
DEGREE DAYS  
HEATING  
TODAY 58 34 24 29  
MONTH TO DATE 692 661 31 483  
SINCE DEC 1 2920 2912 8 2387  
SINCE JUL 1 3626 3996 -370 3339  
 
COOLING  
TODAY 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 17 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 9.1  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 53 6:00 AM  
LOWEST 33 4:00 PM  
AVERAGE 43  
   
......................................................
 
 
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 67 2017  
MINIMUM TEMPERATURE (F) 24 -8 1936  
 
SUNRISE AND SUNSET  
FEBRUARY 18 2025......SUNRISE 6:42 AM CST SUNSET 5:28 PM CST  
FEBRUARY 19 2025......SUNRISE 6:40 AM CST SUNSET 5:30 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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