International tourists in Hawaii

Use this diagram to show how deseasonalised values are obtained by subtracting the seasonal effect from each raw value in the series.

Click on any value to show the adjustment applied to the raw values for that month in every year.

Note that deseasonalising:

Tourist numbers in February and March 1991 were unusually low (compared to what is normally expected in these months)


The data set gives the numbers of international tourists in Hawaii each month from 1990 to 1999.