044  
CDUS43 KLOT 222232  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
432 PM CST SAT FEB 22 2025  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR FEBRUARY 22 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 33 3:59 PM 68 1922 38 -5 61  
2017  
MINIMUM 15 7:20 AM -14 1873 24 -9 42  
AVERAGE 24 31 -7 52  
 
PRECIPITATION (IN)  
TODAY 0.00 1.20 2023 0.07 -0.07 T  
MONTH TO DATE 0.41 1.47 -1.06 0.10  
SINCE DEC 1 4.32 5.57 -1.25 6.57  
SINCE JAN 1 2.39 3.46 -1.07 3.60  
 
SNOWFALL (IN)  
TODAY 0.0 4.6 1950 0.3 -0.3 0.0  
MONTH TO DATE 4.9 8.8 -3.9 T  
SINCE DEC 1 11.9 27.7 -15.8 17.3  
SINCE JUL 1 14.8 29.7 -14.9 20.0  
SNOW DEPTH 2  
 
DEGREE DAYS  
HEATING  
TODAY 41 34 7 13  
MONTH TO DATE 919 820 99 580  
SINCE DEC 1 3238 3123 115 2571  
SINCE JUL 1 4005 4274 -269 3535  
 
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 22 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 12.9  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 70 6:00 AM  
LOWEST 39 1:00 PM  
AVERAGE 55  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 39 66 2000  
MINIMUM TEMPERATURE (F) 24 -18 1873  
 
SUNRISE AND SUNSET  
FEBRUARY 22 2025......SUNRISE 6:37 AM CST SUNSET 5:34 PM CST  
FEBRUARY 23 2025......SUNRISE 6:35 AM CST SUNSET 5:35 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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