657  
CDUS43 KLSX 172233  
CLICOU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
533 PM CDT FRI OCT 17 2025  
   
...............................
 
 
   
..THE COLUMBIA ASOS CLIMATE SUMMARY FOR OCTOBER 17 2025
 
 
VALID AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1890 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 85 255 PM 90 2016 68 17 68  
MINIMUM 63 721 AM 26 1976 46 17 34  
AVERAGE 74 57 17 51  
 
PRECIPITATION (IN)  
TODAY 0.00 2.72 1946 0.12 -0.12 0.00  
MONTH TO DATE 0.47 1.98 -1.51 T  
SINCE SEP 1 2.53 5.81 -3.28 3.52  
SINCE JAN 1 29.12 35.17 -6.05 38.66  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 2015 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 9 -9 14  
MONTH TO DATE 20 108 -88 90  
SINCE SEP 1 31 155 -124 101  
SINCE JUL 1 32 156 -124 101  
 
COOLING  
TODAY 9 1 8 0  
MONTH TO DATE 96 27 69 32  
SINCE SEP 1 317 200 117 213  
SINCE JAN 1 1469 1438 31 1474    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 12.5  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 600 AM  
LOWEST 37 300 PM  
AVERAGE 61  
   
......................................................
 
 
THE COLUMBIA ASOS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 86 1953  
MINIMUM TEMPERATURE (F) 46 25 1952  
2022  
 
SUNRISE AND SUNSET  
OCTOBER 17 2025.......SUNRISE 721 AM CDT SUNSET 627 PM CDT  
OCTOBER 18 2025.......SUNRISE 722 AM CDT SUNSET 626 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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