527  
CDUS43 KLOT 012232  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
432 PM CST THU FEB 01 2024  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR FEBRUARY 1 2024
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 55 2:32 PM 56 1968 32 23 27  
MINIMUM 35 7:45 AM -14 1985 19 16 6  
AVERAGE 45 25 20 17  
 
PRECIPITATION (IN)  
TODAY 0.00 0.87 2015 0.06 -0.06 0.00  
MONTH TO DATE 0.00 0.06 -0.06 0.00  
SINCE DEC 1 6.47 4.16 2.31 4.76  
SINCE JAN 1 3.50 2.05 1.45 2.60  
 
SNOWFALL (IN)  
TODAY 0.0 16.2 2015 0.4 -0.4 0.0  
MONTH TO DATE 0.0 0.4 -0.4 0.0  
SINCE DEC 1 17.3 19.3 -2.0 13.1  
SINCE JUL 1 20.0 21.3 -1.3 14.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 20 40 -20 48  
MONTH TO DATE 20 40 -20 48  
SINCE DEC 1 2011 2343 -332 2154  
SINCE JUL 1 2975 3494 -519 3219  
 
COOLING  
TODAY 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 NE (30)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 8.6  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 12:00 AM  
LOWEST 59 2:00 PM  
AVERAGE 74  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 32 52 2020  
MINIMUM TEMPERATURE (F) 19 -16 1996  
 
SUNRISE AND SUNSET  
FEBRUARY 1 2024......SUNRISE 7:05 AM CST SUNSET 5:06 PM CST  
FEBRUARY 2 2024......SUNRISE 7:04 AM CST SUNSET 5:07 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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