197  
CDUS43 KLSX 200729  
CLIUIN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
229 AM CDT WED AUG 20 2025  
   
...............................
 
 
   
..THE QUINCY IL CLIMATE SUMMARY FOR AUGUST 19 2025
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1901 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 86 144 PM 106 1936 84 2 84  
MINIMUM 70 1154 PM 46 1950 64 6 62  
AVERAGE 78 74 4 73  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.00 2009 0.13 -0.13 0.00  
MONTH TO DATE 1.19 2.31 -1.12 1.70  
SINCE JUN 1 11.24 10.30 0.94 9.09  
SINCE JAN 1 21.22 24.46 -3.24 25.06  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 1 14 -13 0  
SINCE JUL 1 0 1 -1 0  
 
COOLING  
YESTERDAY 13 9 4 8  
MONTH TO DATE 216 197 19 183  
SINCE JUN 1 904 792 112 881  
SINCE JAN 1 985 895 90 1010    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 6.1  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 500 AM  
LOWEST 63 1200 PM  
AVERAGE 80  
   
......................................................
 
 
THE QUINCY IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 104 1936  
MINIMUM TEMPERATURE (F) 64 42 1950  
 
SUNRISE AND SUNSET  
AUGUST 20 2025........SUNRISE 622 AM CDT SUNSET 754 PM CDT  
AUGUST 21 2025........SUNRISE 623 AM CDT SUNSET 752 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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