340  
CDUS43 KLOT 302232  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
432 PM CST TUE JAN 30 2024  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR JANUARY 30 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 41 2:43 PM 55 1988 32 9 18  
MINIMUM 37 8:22 AM -23 2019 18 19 5  
AVERAGE 39 25 14 12  
 
PRECIPITATION (IN)  
TODAY T 0.97 1939 0.05 -0.05 0.02  
MONTH TO DATE 3.50 1.93 1.57 2.60  
SINCE DEC 1 6.47 4.04 2.43 4.76  
SINCE JAN 1 3.50 1.93 1.57 2.60  
 
SNOWFALL (IN)  
TODAY 0.0 14.9 1939 0.4 -0.4 0.4  
MONTH TO DATE 16.1 10.9 5.2 9.9  
SINCE DEC 1 17.3 18.5 -1.2 13.1  
SINCE JUL 1 20.0 20.5 -0.5 14.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 26 40 -14 53  
MONTH TO DATE 1165 1188 -23 946  
SINCE DEC 1 1963 2257 -294 2047  
SINCE JUL 1 2927 3408 -481 3112  
 
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 17 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 10.2  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 5:00 AM  
LOWEST 67 2:00 PM  
AVERAGE 82  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 32 65 1989  
MINIMUM TEMPERATURE (F) 18 -21 2019  
 
SUNRISE AND SUNSET  
JANUARY 30 2024.......SUNRISE 7:07 AM CST SUNSET 5:03 PM CST  
JANUARY 31 2024.......SUNRISE 7:06 AM CST SUNSET 5:05 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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