How can I plot vertical lines which indicates seasons in a single time series?

Hi, I have wind speed values of 2012. I used timeseries feature and I can plot them. x-axis:time (Date and hour , Cell array format) y-axis:values. And I want to draw vertical lines which indicates summer,fall,winter and spring. How can I plot this four vertical lines on a graph?

Answer 1

[Image Analyst]

Try this:

yl = ylim;
line([xValue, xValue], [yl(1), yl(2)]);

You can also add options like the color of the line and its width.