return MONTH_NAMES[(int) (tickValue - 1)];
}
}));
// >>>>>>> You need make the grid hoverable <<<<<<<<<
plotOptions.setGridOptions(new GridOptions().setHoverable(true));
// >>>>>>>>>>>>>>>>>>><<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
// create a series
SeriesHandler handler = model.addSeries("Ottawa's Month Temperatures (Daily Average in °C)", "#007f00");