558  
CDUS43 KLOT 260639  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1239 AM CST FRI JAN 26 2024  
   
...............................  
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR JANUARY 25 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 38 11:59 PM 67 1950 31 7 34  
MINIMUM 35 7:27 AM -20 1897 18 17 31  
AVERAGE 37 25 12 33  
 
PRECIPITATION (IN)  
YESTERDAY 0.28 1.12 1990 0.06 0.22 0.30  
MONTH TO DATE 3.07 1.65 1.42 2.31  
SINCE DEC 1 6.04 3.76 2.28 4.47  
SINCE JAN 1 3.07 1.65 1.42 2.31  
 
SNOWFALL (IN)  
YESTERDAY 0.0 5.0 1898 0.4 -0.4 3.6  
MONTH TO DATE 16.1 8.9 7.2 5.5  
SINCE DEC 1 17.3 16.5 0.8 8.7  
SINCE JUL 1 20.0 18.5 1.5 9.8  
SNOW DEPTH 1  
 
DEGREE DAYS  
HEATING  
YESTERDAY 28 40 -12 32  
MONTH TO DATE 1028 988 40 732  
SINCE DEC 1 1826 2057 -231 1833  
SINCE JUL 1 2790 3208 -418 2898  
 
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 16 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 9.0  
 
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 12:00 AM  
LOWEST 96 3:00 AM  
AVERAGE 98  
   
......................................................  
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 31 62 1944  
MINIMUM TEMPERATURE (F) 18 -16 1897  
 
SUNRISE AND SUNSET  
JANUARY 26 2024.......SUNRISE 7:10 AM CST SUNSET 4:58 PM CST  
JANUARY 27 2024.......SUNRISE 7:09 AM CST SUNSET 5:00 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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