233  
CDUS43 KLOT 040635  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1235 AM CST SUN FEB 04 2024  
   
...............................  
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR FEBRUARY 3 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 42 12:56 PM 59 1992 32 10 11  
MINIMUM 29 7:11 AM -19 1996 19 10 -1  
AVERAGE 36 26 10 5  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.52 1896 0.06 -0.06 0.00  
MONTH TO DATE 0.00 0.17 -0.17 0.00  
SINCE DEC 1 6.47 4.27 2.20 4.76  
SINCE JAN 1 3.50 2.16 1.34 2.60  
 
SNOWFALL (IN)  
YESTERDAY 0.0 11.0 1896 0.4 -0.4 0.0  
MONTH TO DATE 0.0 1.3 -1.3 0.0  
SINCE DEC 1 17.3 20.2 -2.9 13.1  
SINCE JUL 1 20.0 22.2 -2.2 14.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 29 40 -11 60  
MONTH TO DATE 77 120 -43 151  
SINCE DEC 1 2068 2423 -355 2257  
SINCE JUL 1 3032 3574 -542 3322  
 
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 13 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 6.9  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 9:00 PM  
LOWEST 64 1:00 PM  
AVERAGE 78  
   
......................................................  
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 33 59 1890  
MINIMUM TEMPERATURE (F) 19 -14 1996  
 
SUNRISE AND SUNSET  
FEBRUARY 4 2024......SUNRISE 7:02 AM CST SUNSET 5:10 PM CST  
FEBRUARY 5 2024......SUNRISE 7:00 AM CST SUNSET 5:11 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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