573  
CDUS43 KLOT 242138  
CLIMDW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
436 PM CDT THU SEP 24 2020  
 
   
...............................
 
 
   
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR SEPTEMBER 24 2020
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1928 TO 2020  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE  
VALUE (LST) VALUE VALUE FROM  
NORMAL    
...........................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 79 257 PM 92 2017 72 7  
MINIMUM 56 604 AM 30 1928 54 2  
AVERAGE 68 63 5  
 
PRECIPITATION (IN)  
TODAY 0.00 1.85 1977 0.11 -0.11  
MONTH TO DATE 2.58 2.70 -0.12  
SINCE SEP 1 2.58 2.70 -0.12  
SINCE JAN 1 27.93 29.25 -1.32  
 
DEGREE DAYS  
HEATING  
TODAY 0 4 -4  
MONTH TO DATE 26 47 -21  
SINCE SEP 1 26 47 -21  
SINCE JUL 1 26 52 -26  
 
COOLING  
TODAY 3 2 1  
MONTH TO DATE 86 109 -23  
SINCE SEP 1 86 109 -23  
SINCE JAN 1 1250 1019 231    
...........................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION SW (220)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 8.3  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
   
......................................................
 
 
 
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 92 2017  
MINIMUM TEMPERATURE (F) 53 30 1942  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 24 2020.....SUNRISE 641 AM CDT SUNSET 644 PM CDT  
SEPTEMBER 25 2020.....SUNRISE 642 AM CDT SUNSET 642 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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