811  
CDUS43 KLSX 212229  
CLICOU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
529 PM CDT THU AUG 21 2025  
   
...............................
 
 
   
..THE COLUMBIA ASOS CLIMATE SUMMARY FOR AUGUST 21 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 84 237 PM 105 2003 87 -3 76  
MINIMUM 70 742 AM 48 1950 66 4 59  
1956  
AVERAGE 77 77 0 68  
 
PRECIPITATION (IN)  
TODAY 0.00 2.91 1944 0.14 -0.14 0.00  
MONTH TO DATE 0.07 2.77 -2.70 2.85  
SINCE JUN 1 13.29 11.13 2.16 18.59  
SINCE JAN 1 26.55 27.99 -1.44 34.53  
 
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 JUN 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 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 0 6 -6 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 12 12 0 3  
MONTH TO DATE 281 274 7 212  
SINCE JUN 1 1015 987 28 944  
SINCE JAN 1 1106 1133 -27 1132    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 8.8  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 400 AM  
LOWEST 46 100 PM  
AVERAGE 73  
   
......................................................
 
 
THE COLUMBIA ASOS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 104 1936  
MINIMUM TEMPERATURE (F) 66 53 1956  
 
SUNRISE AND SUNSET  
AUGUST 21 2025........SUNRISE 628 AM CDT SUNSET 755 PM CDT  
AUGUST 22 2025........SUNRISE 629 AM CDT SUNSET 753 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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