Created with Highcharts 4.0.3Chart context menuHighcharts extended heat mapTemperature variation by day and hour through 2013-10℃0℃10℃20℃JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecemberJanuary0:006:0012:0018:00Highcharts.com