719  
CDUS43 KLOT 282239  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
439 PM CST TUE JAN 28 2025  
   
...............................  
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR JANUARY 28 2025  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 48 3:59 PM 60 1876 31 17 39  
1914  
MINIMUM 28 7:55 AM -13 1963 18 10 33  
1977  
AVERAGE 38 25 13 36  
 
PRECIPITATION (IN)  
TODAY 0.00 0.71 1909 0.06 -0.06 0.04  
MONTH TO DATE 0.23 1.82 -1.59 3.50  
SINCE DEC 1 2.16 3.93 -1.77 6.47  
SINCE JAN 1 0.23 1.82 -1.59 3.50  
 
SNOWFALL (IN)  
TODAY 0.0 5.0 2019 0.4 -0.4 0.0  
MONTH TO DATE 4.6 10.1 -5.5 16.1  
SINCE DEC 1 7.0 17.7 -10.7 17.3  
SINCE JUL 1 9.9 19.7 -9.8 20.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 27 40 -13 29  
MONTH TO DATE 1226 1108 118 1109  
SINCE DEC 1 2239 2177 62 1907  
SINCE JUL 1 3006 3328 -322 2871  
 
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 30 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 11.2  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 69 8:00 AM  
LOWEST 42 2:00 PM  
AVERAGE 56  
   
......................................................  
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 32 63 2013  
MINIMUM TEMPERATURE (F) 18 -16 1873  
1966  
 
SUNRISE AND SUNSET  
JANUARY 28 2025.......SUNRISE 7:08 AM CST SUNSET 5:02 PM CST  
JANUARY 29 2025.......SUNRISE 7:07 AM CST SUNSET 5:03 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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