condition mean min max 4 h after light 145.91692849999998 137.388109 154.445748 8 h after light 169.839114 153.138279 186.539949 12 h after light 183.9423075 180.232057 187.652558 4 h after dark 159.6104065 148.616672 170.604141 8 h after dark 198.4024825 170.30898 226.495985 12 h after dark 162.423176 162.423176 162.423176