Monthly temperatures in Boulder, Colorado
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:
There is no obvious trend towards higher or lower temperatures over this decade.
November 2000 was particularly cold (for a November) but November 1999 was a very warm November
The data set gives the mean monthly temperature in Boulder Colorado between 1998 and 2007.