Dual-Y Annotated Timeline of Google Chart Tools

timeline.html (partial)

<div id="target"></div>
<script src="https://www.gstatic.com/charts/loader.js"></script>
<script>
    (function() {
        'use strict';
        function drawChart() {
            var query = new google.visualization.Query('https://docs.google.com/spreadsheets/d/1BzKIB93LvvdmWmxdKAk99V7vWDKBOq6P3HqQeQnwLpI/edit?usp=sharing');
            query.send(handleQueryResponse);
        }
        function handleQueryResponse(response){
            var target = document.getElementById('target');
            var data;
            var options = {
                title: 'Weight & Fat Timeline',
                width: 500,
                height: 300,
                scaleColumns: [0, 1]
            };
            var chart = new google.visualization.AnnotatedTimeLine(target);
            data = response.getDataTable();
            chart.draw(data, options);
        }
        google.charts.load('current', {packages: ['annotatedtimeline']});
        google.charts.setOnLoadCallback(drawChart);
    })();
</script>