258  
CDUS43 KLOT 272135  
CLIMDW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
435 PM CDT FRI SEP 27 2024  
   
...............................  
 
   
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR SEPTEMBER 27 2024  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1928 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 73 12:04 PM 91 1971 72 1 70  
MINIMUM 68 7:01 AM 31 1942 54 14 63  
AVERAGE 71 63 8 67  
 
PRECIPITATION (IN)  
TODAY 0.00 2.96 2019 0.09 -0.09 0.01  
MONTH TO DATE 1.78 2.52 -0.74 3.60  
SINCE SEP 1 1.78 2.52 -0.74 3.60  
SINCE JAN 1 31.25 26.55 4.70 29.21  
 
DEGREE DAYS  
HEATING  
TODAY 0 4 -4 0  
MONTH TO DATE 10 45 -35 15  
SINCE SEP 1 10 45 -35 15  
SINCE JUL 1 10 49 -39 16  
 
COOLING  
TODAY 6 2 4 2  
MONTH TO DATE 201 129 72 128  
SINCE SEP 1 201 129 72 128  
SINCE JAN 1 1324 1085 239 1090    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 17.2  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 70 2:00 AM  
LOWEST 51 12:00 PM  
AVERAGE 61  
   
......................................................  
 
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 92 1953  
MINIMUM TEMPERATURE (F) 54 29 1942  
 
SUNRISE AND SUNSET  
SEPTEMBER 27 2024.....SUNRISE 6:44 AM CDT SUNSET 6:39 PM CDT  
SEPTEMBER 28 2024.....SUNRISE 6:45 AM CDT SUNSET 6:37 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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