394  
CDUS43 KLOT 190632  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1232 AM CST SUN JAN 19 2025  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR JANUARY 18 2025
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1871 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 40 12:14 AM 61 1996 31 9 28  
MINIMUM 14 11:59 PM -21 1994 18 -4 12  
AVERAGE 27 25 2 20  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.51 1876 0.06 -0.06 0.06  
MONTH TO DATE 0.20 1.21 -1.01 2.18  
SINCE DEC 1 2.13 3.32 -1.19 5.15  
SINCE JAN 1 0.20 1.21 -1.01 2.18  
 
SNOWFALL (IN)  
YESTERDAY 0.0 5.3 1943 0.4 -0.4 0.8  
MONTH TO DATE 3.9 6.1 -2.2 15.0  
SINCE DEC 1 6.3 13.7 -7.4 16.2  
SINCE JUL 1 9.2 15.7 -6.5 18.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 38 40 -2 45  
MONTH TO DATE 752 708 44 741  
SINCE DEC 1 1765 1777 -12 1539  
SINCE JUL 1 2532 2928 -396 2503  
 
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 25 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 13.5  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 70 12:00 AM  
LOWEST 36 11:00 PM  
AVERAGE 53  
   
......................................................
 
 
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 2025.......SUNRISE 7:15 AM CST SUNSET 4:51 PM CST  
JANUARY 20 2025.......SUNRISE 7:14 AM CST SUNSET 4:52 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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