740  
CDUS43 KLOT 030643  
CLIMDW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1243 AM CST FRI JAN 03 2025  
   
...............................  
 
   
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR JANUARY 2 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 33 3:54 PM 61 2000 34 -1 41  
2004  
MINIMUM 25 7:56 AM -13 1979 21 4 28  
AVERAGE 29 27 2 35  
 
PRECIPITATION (IN)  
YESTERDAY T 1.22 1951 0.05 -0.05 0.00  
MONTH TO DATE T 0.11 -0.11 T  
SINCE DEC 1 1.93 1.90 0.03 2.67  
SINCE JAN 1 T 0.11 -0.11 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 36 38 -2 30  
MONTH TO DATE 70 76 -6 63  
SINCE DEC 1 1038 1120 -82 818  
SINCE JUL 1 1744 2204 -460 1770  
 
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 18 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 10.0  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 6:00 PM  
LOWEST 43 1:00 PM  
AVERAGE 61  
   
......................................................  
 
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 33 60 1874  
1950  
MINIMUM TEMPERATURE (F) 21 -12 1979  
 
SUNRISE AND SUNSET  
JANUARY 3 2025.......SUNRISE 7:18 AM CST SUNSET 4:33 PM CST  
JANUARY 4 2025.......SUNRISE 7:18 AM CST SUNSET 4:34 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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