Monthly temperatures in Boulder, Colorado

Use this diagram to explain the four components of a time series,

Deseasonalised  =   Trend   +   Cyclical   +   Residual

Use the checkboxes to subtract components from the top diagram and add them to the bottom one.

Show the sum of the seasonal, trend and cyclical components in the bottom diagram. Mention that each of these can be forecast into the future.

Mention that there is minimal trend or autocorrelation, so the trend and cyclical components are very small.


The data set gives the mean monthly temperature in Boulder Colorado between 1998 and 2007.