097  
CDUS43 KLSX 200842  
CLICOU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
242 AM CST SAT DEC 20 2025  
   
...............................  
 
   
..THE COLUMBIA ASOS CLIMATE SUMMARY FOR DECEMBER 19 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 41 259 PM 75 1889 43 -2 52  
MINIMUM 20 746 AM -16 1901 26 -6 26  
AVERAGE 31 34 -3 39  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.45 1895 0.07 -0.07 0.00  
MONTH TO DATE 0.86 1.28 -0.42 2.10  
SINCE DEC 1 0.86 1.28 -0.42 2.10  
SINCE JAN 1 35.09 40.62 -5.53 46.70  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.7 1973 0.1 -0.1 0.0  
MONTH TO DATE 2.6 1.9 0.7 T  
SINCE DEC 1 2.6 1.9 0.7 T  
SINCE JUL 1 3.6 2.7 0.9 3.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 34 31 3 26  
MONTH TO DATE 636 540 96 558  
SINCE DEC 1 636 540 96 558  
SINCE JUL 1 1385 1447 -62 1231  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1469 1447 22 1500    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 11.8  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 65 300 AM  
LOWEST 27 200 PM  
AVERAGE 46  
   
......................................................  
 
THE COLUMBIA ASOS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 42 69 1949  
MINIMUM TEMPERATURE (F) 26 -23 1901  
 
SUNRISE AND SUNSET  
DECEMBER 20 2025......SUNRISE 723 AM CST SUNSET 450 PM CST  
DECEMBER 21 2025......SUNRISE 724 AM CST SUNSET 451 PM CST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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