296  
CDUS43 KLOT 290636  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1236 AM CST MON JAN 29 2024  
   
...............................  
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR JANUARY 28 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 39 12:46 PM 60 1876 31 8 31  
1914  
MINIMUM 33 11:59 PM -13 1963 18 15 19  
1977  
AVERAGE 36 25 11 25  
 
PRECIPITATION (IN)  
YESTERDAY 0.04 0.71 1909 0.06 -0.02 0.15  
MONTH TO DATE 3.50 1.82 1.68 2.56  
SINCE DEC 1 6.47 3.93 2.54 4.72  
SINCE JAN 1 3.50 1.82 1.68 2.56  
 
SNOWFALL (IN)  
YESTERDAY 0.0 5.0 2019 0.4 -0.4 2.2  
MONTH TO DATE 16.1 10.1 6.0 9.3  
SINCE DEC 1 17.3 17.7 -0.4 12.5  
SINCE JUL 1 20.0 19.7 0.3 13.6  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 29 40 -11 40  
MONTH TO DATE 1109 1108 1 853  
SINCE DEC 1 1907 2177 -270 1954  
SINCE JUL 1 2871 3328 -457 3019  
 
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 21 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 11.4  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 7:00 AM  
LOWEST 75 4:00 PM  
AVERAGE 88  
   
......................................................  
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 32 63 2013  
MINIMUM TEMPERATURE (F) 18 -16 1873  
1966  
 
SUNRISE AND SUNSET  
JANUARY 29 2024.......SUNRISE 7:08 AM CST SUNSET 5:02 PM CST  
JANUARY 30 2024.......SUNRISE 7:07 AM CST SUNSET 5:03 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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