190  
CDUS43 KLOT 232134  
CLIMDW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
434 PM CDT MON SEP 23 2024  
   
...............................  
 
   
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR SEPTEMBER 23 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 68 2:33 PM 95 2017 74 -6 78  
MINIMUM 63 6:03 AM 35 1947 56 7 64  
1974  
AVERAGE 66 65 1 71  
 
PRECIPITATION (IN)  
TODAY 0.00 2.09 1961 0.10 -0.10 0.00  
MONTH TO DATE 0.82 2.16 -1.34 2.97  
SINCE SEP 1 0.82 2.16 -1.34 2.97  
SINCE JAN 1 30.29 26.19 4.10 28.58  
 
DEGREE DAYS  
HEATING  
TODAY 0 3 -3 0  
MONTH TO DATE 10 30 -20 15  
SINCE SEP 1 10 30 -20 15  
SINCE JUL 1 10 34 -24 16  
 
COOLING  
TODAY 1 3 -2 6  
MONTH TO DATE 189 119 70 114  
SINCE SEP 1 189 119 70 114  
SINCE JAN 1 1312 1075 237 1076    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 10.9  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79 12:00 AM  
LOWEST 52 12:00 PM  
AVERAGE 66  
   
......................................................  
 
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 92 2017  
MINIMUM TEMPERATURE (F) 56 30 1928  
 
SUNRISE AND SUNSET  
SEPTEMBER 23 2024.....SUNRISE 6:40 AM CDT SUNSET 6:45 PM CDT  
SEPTEMBER 24 2024.....SUNRISE 6:41 AM CDT SUNSET 6:44 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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