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"interpolated":397.63,"trend":401.09,"num_days":25},{"year":2015,"month":10,"decimal_date":2015.792,"average":398.29,"interpolated":398.29,"trend":401.65,"num_days":28},{"year":2015,"month":11,"decimal_date":2015.875,"average":400.16,"interpolated":400.16,"trend":402.22,"num_days":27},{"year":2015,"month":12,"decimal_date":2015.958,"average":401.85,"interpolated":401.85,"trend":402.63,"num_days":30},{"year":2016,"month":1,"decimal_date":2016.042,"average":402.52,"interpolated":402.52,"trend":402.37,"num_days":27},{"year":2016,"month":2,"decimal_date":2016.125,"average":404.04,"interpolated":404.04,"trend":403.26,"num_days":26},{"year":2016,"month":3,"decimal_date":2016.208,"average":404.83,"interpolated":404.83,"trend":403.23,"num_days":29},{"year":2016,"month":4,"decimal_date":2016.292,"average":407.42,"interpolated":407.42,"trend":404.54,"num_days":25},{"year":2016,"month":5,"decimal_date":2016.375,"average":407.7,"interpolated":407.7,"trend":404.31,"num_days":29},{"year":2016,"month":6,"decimal_date":2016.458,"average":406.81,"interpolated":406.81,"trend":404.48,"num_days":26},{"year":2016,"month":7,"decimal_date":2016.542,"average":404.39,"interpolated":404.39,"trend":404.01,"num_days":28},{"year":2016,"month":8,"decimal_date":2016.625,"average":402.25,"interpolated":402.25,"trend":404.09,"num_days":23},{"year":2016,"month":9,"decimal_date":2016.708,"average":401.03,"interpolated":401.03,"trend":404.48,"num_days":24},{"year":2016,"month":10,"decimal_date":2016.792,"average":401.57,"interpolated":401.57,"trend":404.93,"num_days":29},{"year":2016,"month":11,"decimal_date":2016.875,"average":403.53,"interpolated":403.53,"trend":405.6,"num_days":27}];

var yly_data = [{"year":1959,"mean":315.97,"unc":0.12},{"year":1960,"mean":316.91,"unc":0.12},{"year":1961,"mean":317.64,"unc":0.12},{"year":1962,"mean":318.45,"unc":0.12},{"year":1963,"mean":318.99,"unc":0.12},{"year":1964,"mean":319.62,"unc":0.12},{"year":1965,"mean":320.04,"unc":0.12},{"year":1966,"mean":321.38,"unc":0.12},{"year":1967,"mean":322.16,"unc":0.12},{"year":1968,"mean":323.04,"unc":0.12},{"year":1969,"mean":324.62,"unc":0.12},{"year":1970,"mean":325.68,"unc":0.12},{"year":1971,"mean":326.32,"unc":0.12},{"year":1972,"mean":327.45,"unc":0.12},{"year":1973,"mean":329.68,"unc":0.12},{"year":1974,"mean":330.18,"unc":0.12},{"year":1975,"mean":331.08,"unc":0.12},{"year":1976,"mean":332.05,"unc":0.12},{"year":1977,"mean":333.78,"unc":0.12},{"year":1978,"mean":335.41,"unc":0.12},{"year":1979,"mean":336.78,"unc":0.12},{"year":1980,"mean":338.68,"unc":0.12},{"year":1981,"mean":340.1,"unc":0.12},{"year":1982,"mean":341.44,"unc":0.12},{"year":1983,"mean":343.03,"unc":0.12},{"year":1984,"mean":344.58,"unc":0.12},{"year":1985,"mean":346.04,"unc":0.12},{"year":1986,"mean":347.39,"unc":0.12},{"year":1987,"mean":349.16,"unc":0.12},{"year":1988,"mean":351.56,"unc":0.12},{"year":1989,"mean":353.07,"unc":0.12},{"year":1990,"mean":354.35,"unc":0.12},{"year":1991,"mean":355.57,"unc":0.12},{"year":1992,"mean":356.38,"unc":0.12},{"year":1993,"mean":357.07,"unc":0.12},{"year":1994,"mean":358.82,"unc":0.12},{"year":1995,"mean":360.8,"unc":0.12},{"year":1996,"mean":362.59,"unc":0.12},{"year":1997,"mean":363.71,"unc":0.12},{"year":1998,"mean":366.65,"unc":0.12},{"year":1999,"mean":368.33,"unc":0.12},{"year":2000,"mean":369.52,"unc":0.12},{"year":2001,"mean":371.13,"unc":0.12},{"year":2002,"mean":373.22,"unc":0.12},{"year":2003,"mean":375.77,"unc":0.12},{"year":2004,"mean":377.49,"unc":0.12},{"year":2005,"mean":379.8,"unc":0.12},{"year":2006,"mean":381.9,"unc":0.12},{"year":2007,"mean":383.77,"unc":0.12},{"year":2008,"mean":385.59,"unc":0.12},{"year":2009,"mean":387.37,"unc":0.12},{"year":2010,"mean":389.85,"unc":0.12},{"year":2011,"mean":391.63,"unc":0.12},{"year":2012,"mean":393.82,"unc":0.12},{"year":2013,"mean":396.48,"unc":0.12},{"year":2014,"mean":398.61,"unc":0.12},{"year":2015,"mean":400.83,"unc":0.12}];

	var CO2_yearly = [];
	var CO2_monthly = [];


	function makeDate (month, year) {
		var decimal = month/12;
		var fractional_year = year + decimal;

		var month_string = month.toString();
		//stringify the month
		switch (month_string) {
			case "1":
				var month_name = "January";
				break;
			case "2":
				var month_name = "February";
				break;
			case "3":
				var month_name = "March";
				break;
			case "4":
				var month_name = "April";
				break;
			case "5":
				var month_name = "May";
				break;
			case "6":
				var month_name = "June";
				break;
			case "7":
				var month_name = "July";
				break;
			case "8":
				var month_name = "August";
				break;
			case "9":
				var month_name = "September";
				break;
			case "10":
				var month_name = "October";
				break;
			case "11":
				var month_name = "November";
				break;
			case "12":
				var month_name = "December";
				break;
		}

		return [fractional_year, month_name];
	}

	for (i = 0; i < yly_data.length; i++) {

		var year = yly_data[i].year;
		var CO2 = yly_data[i].mean;
		//yearly data is less than monthly data; check for nulls
		if (!!year){
			CO2_yearly.push({ x : year, y : CO2});
		}

	}
	for (i = 0; i < mly_data.length; i++) {

		var year_for_month = mly_data[i].year;
		var month = mly_data[i].month;
		var CO2_month = mly_data[i].interpolated;

		var date_vars = makeDate(month, year_for_month);
		var final_year = date_vars[0];
		var month_name = date_vars[1];

		CO2_monthly.push({ x : final_year, y : CO2_month, z: month_name, year: year_for_month});
	}

$('#highchartIntro').html( '' );
$('#highchartHeader').html( "Global carbon dioxide is <strong>rising</strong>" );

	var chart;
	$(document).ready(function() {
		chart = new Highcharts.Chart({
			chart: {
				renderTo: 'highchartContainer',
				// renderTo: divID,
				zoomType: document.ontouchstart === undefined ? 'x' : null,
				// spacingBottom:25
			},
				//-----------------------------------------------------------------------------------

			title: {
				text: null,
			},
			subtitle: {
//				text: "Keeling Curve",
			},
			xAxis: {
				labels: {
					style: {
					}
				},
				title: {
					text: null,
					style: {
					}
				}
				// type: 'datetime',
				 // minRange: 10
			},
			yAxis: { //Primary -- used for temps
				maxPadding: 0,
				max: 410,
				endOnTick: false,
				labels: {
					// format: '{value} ppm',
					style: {
					}
				},
				title: {
					useHTML: true,
					text: 'CO<sub>2</sub> concentration (ppm)',
					style: {color: 'white'}
				},
			},
			legend: {
//				 enabled: false
			},
			credits:{
				enabled:false
			},
			tooltip: {
				followTouchMove: false
			},
			plotOptions: {
				series:{
					point: {
						events: {
							mouseOver: function () {
								ga('send', 'event', 'climate_chart_indicator', 'mouseover',  "co2 level - " + this.series.name + " x:" + this.x + ", y:" + this.y);
							}
						}
					}
				}
			},

			series: [

			{
				name: 'Monthly Values',
				type: 'line',
				// type: 'scatter',
				// color: 'rgba(255, 255, 255, 0.97)',
				// color: '#D44B35',
				color: '#ED322E',
				// yAxis: 1,
				lineWidth: 2,
				// dashStyle: 'shortDash',
				marker: {
					radius: 0
					},
				animation: {
					duration: 5000,
				},
				data: CO2_monthly,
				tooltip: {
					// shared: true,
					useHTML: true,
					headerFormat: ' ',
					// headerFormat: '{point.key:.0f}<table>',
					pointFormat: '{point.year} <span style="color:{point.color}">\u25CF</span> {point.z}: <b>{point.y}</b><br/>',
					// footerFormat: '</table>',
					valueDecimals: 2
					// {point.percentage:.0f}
				},
			},

			{
				name: 'Annual Average',
				type: 'line',
				// type: 'scatter',
				// color: '#FCD003',
				color: '#FFFFFF',
				// yAxis: 1,
				lineWidth: 4,
				// dashStyle: 'shortDash',
				marker: {
					radius: 0
					},
				animation: {
					duration: 5500,
				},
				data: CO2_yearly,
				// tooltip: {
				// 	valueDecimals: 2,
				// },
				tooltip: {
					// shared: true,
					useHTML: true,
					headerFormat: ' {point.key:.0f} ',
					// headerFormat: '{point.key:.0f}<table>',
					// pointFormat:'<b>{point.y}</b>',
					// footerFormat: '</table>',
					valueDecimals: 2
					// {point.percentage:.0f}
				},
			}



			]

		});

	});