661  
CDUS43 KLSX 180735  
CLIUIN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
235 AM CDT FRI SEP 18 2026  
   
...............................
 
 
   
..THE QUINCY IL CLIMATE SUMMARY FOR SEPTEMBER 17 2026
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1901 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 94 406 PM 99 1927 78 16 91  
MINIMUM 72 605 AM 39 1903 56 16 61  
AVERAGE 83 67 16 76  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.32 1944 0.09 -0.09 0.00  
MONTH TO DATE 2.20 1.81 0.39 0.01  
SINCE SEP 1 2.20 1.81 0.39 0.01  
SINCE JAN 1 34.25 27.89 6.36 21.23  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 0 21 -21 29  
SINCE SEP 1 0 21 -21 29  
SINCE JUL 1 0 26 -26 35  
 
COOLING  
YESTERDAY 18 4 14 11  
MONTH TO DATE 230 95 135 105  
SINCE SEP 1 230 95 135 105  
SINCE JAN 1 1370 1091 279 1147    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 6.7  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94 1100 PM  
LOWEST 52 200 PM  
AVERAGE 73  
   
......................................................
 
 
THE QUINCY IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 98 1925  
MINIMUM TEMPERATURE (F) 55 33 1901  
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2026.....SUNRISE 649 AM CDT SUNSET 708 PM CDT  
SEPTEMBER 19 2026.....SUNRISE 650 AM CDT SUNSET 707 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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