condition mean min max 4 h after light 120.6279135 102.951063 138.304764 8 h after light 136.287694 131.113764 141.461624 12 h after light 151.066937 146.171725 155.962149 4 h after dark 153.3252985 147.341617 159.30898 8 h after dark 137.57585 125.06321 150.08849 12 h after dark 100.488885 100.488885 100.488885