054  
CDUS43 KLOT 090634  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1234 AM CST TUE JAN 09 2024  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR JANUARY 8 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 36 9:45 PM 63 1965 32 4 33  
MINIMUM 30 2:27 AM -11 1875 20 10 26  
1942  
AVERAGE 33 26 7 30  
 
PRECIPITATION (IN)  
YESTERDAY 0.08 1.18 1935 0.07 0.01 0.00  
MONTH TO DATE 0.32 0.54 -0.22 1.30  
SINCE DEC 1 3.29 2.65 0.64 3.46  
SINCE JAN 1 0.32 0.54 -0.22 1.30  
 
SNOWFALL (IN)  
YESTERDAY 0.4 3.6 1974 0.3 0.1 0.0  
MONTH TO DATE 3.9 2.5 1.4 0.2  
SINCE DEC 1 5.1 10.1 -5.0 3.4  
SINCE JUL 1 7.8 12.1 -4.3 4.5  
SNOW DEPTH 1  
 
DEGREE DAYS  
HEATING  
YESTERDAY 32 39 -7 35  
MONTH TO DATE 261 309 -48 235  
SINCE DEC 1 1059 1378 -319 1336  
SINCE JUL 1 2023 2529 -506 2401  
 
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 18 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 8.9  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 11:00 PM  
LOWEST 73 2:00 PM  
AVERAGE 85  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 32 60 1880  
MINIMUM TEMPERATURE (F) 19 -20 1875  
 
SUNRISE AND SUNSET  
JANUARY 9 2024.......SUNRISE 7:19 AM CST SUNSET 4:38 PM CST  
JANUARY 10 2024.......SUNRISE 7:19 AM CST SUNSET 4:39 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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