500  
CDUS43 KLOT 292233  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
433 PM CST MON JAN 29 2024  
   
...............................  
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR JANUARY 29 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 39 2:59 PM 63 2013 32 7 31  
MINIMUM 30 9:23 AM -16 1873 18 12 18  
1966  
AVERAGE 35 25 10 25  
 
PRECIPITATION (IN)  
TODAY 0.00 1.33 2013 0.06 -0.06 0.02  
MONTH TO DATE 3.50 1.88 1.62 2.58  
SINCE DEC 1 6.47 3.99 2.48 4.74  
SINCE JAN 1 3.50 1.88 1.62 2.58  
 
SNOWFALL (IN)  
TODAY 0.0 5.3 1909 0.4 -0.4 0.2  
MONTH TO DATE 16.1 10.5 5.6 9.5  
SINCE DEC 1 17.3 18.1 -0.8 12.7  
SINCE JUL 1 20.0 20.1 -0.1 13.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 30 40 -10 40  
MONTH TO DATE 1139 1148 -9 893  
SINCE DEC 1 1937 2217 -280 1994  
SINCE JUL 1 2901 3368 -467 3059  
 
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 16 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 9.3  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 7:00 AM  
LOWEST 79 1:00 PM  
AVERAGE 86  
   
......................................................  
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 32 55 1988  
MINIMUM TEMPERATURE (F) 18 -23 2019  
 
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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