408  
CDUS43 KLOT 280634  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1234 AM CST SUN JAN 28 2024  
   
...............................  
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR JANUARY 27 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 41 1:40 PM 62 1916 31 10 36  
MINIMUM 36 8:14 AM -10 1955 18 18 13  
AVERAGE 39 25 14 25  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 0.74 1967 0.05 -0.04 0.06  
MONTH TO DATE 3.46 1.76 1.70 2.41  
SINCE DEC 1 6.43 3.87 2.56 4.57  
SINCE JAN 1 3.46 1.76 1.70 2.41  
 
SNOWFALL (IN)  
YESTERDAY 0.0 6.6 1967 0.4 -0.4 0.8  
MONTH TO DATE 16.1 9.7 6.4 7.1  
SINCE DEC 1 17.3 17.3 -0.0 10.3  
SINCE JUL 1 20.0 19.3 0.7 11.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 26 40 -14 40  
MONTH TO DATE 1080 1068 12 813  
SINCE DEC 1 1878 2137 -259 1914  
SINCE JUL 1 2842 3288 -446 2979  
 
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 17 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 7.5  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 3:00 AM  
LOWEST 92 3:00 AM  
AVERAGE 96  
   
......................................................  
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 31 60 1876  
1914  
MINIMUM TEMPERATURE (F) 18 -13 1963  
1977  
 
SUNRISE AND SUNSET  
JANUARY 28 2024.......SUNRISE 7:09 AM CST SUNSET 5:01 PM CST  
JANUARY 29 2024.......SUNRISE 7:08 AM CST SUNSET 5:02 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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