374  
CDUS43 KLSX 110735  
CLICOU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
235 AM CDT THU SEP 11 2025  
   
...............................  
 
   
..THE COLUMBIA ASOS CLIMATE SUMMARY FOR SEPTEMBER 10 2025  
 
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)  
YESTERDAY  
MAXIMUM 87 228 PM 99 1938 82 5 83  
MINIMUM 59 620 AM 44 1976 61 -2 49  
AVERAGE 73 71 2 66  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.79 1911 0.13 -0.13 0.00  
MONTH TO DATE 0.43 1.32 -0.89 T  
SINCE SEP 1 0.43 1.32 -0.89 T  
SINCE JAN 1 27.02 30.68 -3.66 35.14  
 
SNOWFALL (IN)  
YESTERDAY 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 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 11 1 10 10  
SINCE SEP 1 11 1 10 10  
SINCE JUL 1 12 2 10 10  
 
COOLING  
YESTERDAY 8 7 1 1  
MONTH TO DATE 32 81 -49 33  
SINCE SEP 1 32 81 -49 33  
SINCE JAN 1 1184 1319 -135 1294    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 4.4  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 76 1100 PM  
LOWEST 39 100 PM  
AVERAGE 58  
   
......................................................  
 
THE COLUMBIA ASOS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 100 1936  
MINIMUM TEMPERATURE (F) 60 39 1940  
 
SUNRISE AND SUNSET  
SEPTEMBER 11 2025.....SUNRISE 647 AM CDT SUNSET 723 PM CDT  
SEPTEMBER 12 2025.....SUNRISE 648 AM CDT SUNSET 721 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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