978  
CDUS43 KLOT 090640  
CLIMDW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1240 AM CST THU JAN 09 2025  
   
...............................
 
 
   
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR JANUARY 8 2025
 
 
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)  
YESTERDAY  
MAXIMUM 28 1:04 PM 63 1965 33 -5 38  
MINIMUM 15 7:42 AM -12 1875 20 -5 32  
1942  
AVERAGE 22 26 -4 35  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.48 2008 0.06 -0.06 0.06  
MONTH TO DATE 0.01 0.43 -0.42 0.15  
SINCE DEC 1 1.94 2.22 -0.28 2.82  
SINCE JAN 1 0.01 0.43 -0.42 0.15  
 
DEGREE DAYS  
HEATING  
YESTERDAY 43 39 4 30  
MONTH TO DATE 320 305 15 250  
SINCE DEC 1 1288 1349 -61 1005  
SINCE JUL 1 1994 2433 -439 1957  
 
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 14 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 6.8  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 70 6:00 AM  
LOWEST 42 5:00 PM  
AVERAGE 56  
   
......................................................
 
 
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 33 57 1939  
MINIMUM TEMPERATURE (F) 20 -17 1982  
 
SUNRISE AND SUNSET  
JANUARY 9 2025.......SUNRISE 7:18 AM CST SUNSET 4:39 PM CST  
JANUARY 10 2025.......SUNRISE 7:18 AM CST SUNSET 4:40 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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