546  
CDUS43 KLOT 260641  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
141 AM CDT SAT OCT 26 2024  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR OCTOBER 25 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 67 1:30 PM 79 1963 59 8 69  
MINIMUM 48 11:56 PM 14 1887 42 6 61  
AVERAGE 58 50 8 65  
 
PRECIPITATION (IN)  
YESTERDAY 0.63 1.94 1883 0.11 0.52 0.10  
MONTH TO DATE 1.15 2.79 -1.64 2.06  
SINCE SEP 1 2.47 5.98 -3.51 5.42  
SINCE JAN 1 29.33 32.69 -3.36 29.68  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.3 1962 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.1 -0.1 0.0  
SINCE SEP 1 0.0 0.1 -0.1 0.0  
SINCE JUL 1 0.0 0.1 -0.1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 7 15 -8 0  
MONTH TO DATE 145 260 -115 188  
SINCE SEP 1 160 337 -177 201  
SINCE JUL 1 160 343 -183 203  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 16 12 4 52  
SINCE SEP 1 206 128 78 207  
SINCE JAN 1 1192 1000 192 1141    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 8.1  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 7:00 AM  
LOWEST 45 3:00 PM  
AVERAGE 71  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 84 1963  
MINIMUM TEMPERATURE (F) 42 22 1887  
1942  
 
SUNRISE AND SUNSET  
OCTOBER 26 2024.......SUNRISE 7:18 AM CDT SUNSET 5:53 PM CDT  
OCTOBER 27 2024.......SUNRISE 7:19 AM CDT SUNSET 5:51 PM CDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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