245  
CDUS43 KLOT 242240  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
440 PM CST WED JAN 24 2024  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR JANUARY 24 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 38 2:06 PM 65 1967 31 7 36  
MINIMUM 34 8:15 AM -15 1897 18 16 28  
AVERAGE 36 24 12 32  
 
PRECIPITATION (IN)  
TODAY 0.11 0.76 1938 0.06 0.05 0.00  
MONTH TO DATE 2.72 1.59 1.13 2.01  
SINCE DEC 1 5.69 3.70 1.99 4.17  
SINCE JAN 1 2.72 1.59 1.13 2.01  
 
SNOWFALL (IN)  
TODAY MM 5.7 1893 0.4 MM 0.0  
MONTH TO DATE 16.1 8.5 7.6 1.9  
SINCE DEC 1 17.3 16.1 1.2 5.1  
SINCE JUL 1 20.0 18.1 1.9 6.2  
SNOW DEPTH 3  
 
DEGREE DAYS  
HEATING  
TODAY 29 40 -11 33  
MONTH TO DATE 1000 948 52 700  
SINCE DEC 1 1798 2017 -219 1801  
SINCE JUL 1 2762 3168 -406 2866  
 
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 12 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 5.3  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 5:00 AM  
LOWEST 92 1:00 AM  
AVERAGE 96  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 31 67 1950  
MINIMUM TEMPERATURE (F) 18 -20 1897  
 
SUNRISE AND SUNSET  
JANUARY 24 2024.......SUNRISE 7:12 AM CST SUNSET 4:56 PM CST  
JANUARY 25 2024.......SUNRISE 7:11 AM CST SUNSET 4:57 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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