832  
CDUS43 KLOT 190637  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1237 AM CST FRI JAN 19 2024  
   
...............................  
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR JANUARY 18 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 28 1:31 PM 61 1996 31 -3 41  
MINIMUM 12 11:59 PM -21 1994 18 -6 36  
AVERAGE 20 25 -5 39  
 
PRECIPITATION (IN)  
YESTERDAY 0.06 1.51 1876 0.06 0.00 0.24  
MONTH TO DATE 2.18 1.21 0.97 1.74  
SINCE DEC 1 5.15 3.32 1.83 3.90  
SINCE JAN 1 2.18 1.21 0.97 1.74  
 
SNOWFALL (IN)  
YESTERDAY 0.8 5.3 1943 0.4 0.4 T  
MONTH TO DATE 15.0 6.1 8.9 0.4  
SINCE DEC 1 16.2 13.7 2.5 3.6  
SINCE JUL 1 18.9 15.7 3.2 4.7  
SNOW DEPTH 4  
 
DEGREE DAYS  
HEATING  
YESTERDAY 45 40 5 26  
MONTH TO DATE 741 708 33 498  
SINCE DEC 1 1539 1777 -238 1599  
SINCE JUL 1 2503 2928 -425 2664  
 
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 16 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 6.4  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 3:00 AM  
LOWEST 50 2:00 PM  
AVERAGE 69  
   
......................................................  
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 31 57 1933  
MINIMUM TEMPERATURE (F) 18 -23 1985  
 
SUNRISE AND SUNSET  
JANUARY 19 2024.......SUNRISE 7:15 AM CST SUNSET 4:50 PM CST  
JANUARY 20 2024.......SUNRISE 7:15 AM CST SUNSET 4:51 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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