condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.39433866666666667 0.0 0.602457 3 h after dark 0.36115600000000003 0.0 0.596381 6 h after dark 0.0 0.0 0.0 9 h after dark 0.26060500000000003 0.0 0.781815 12 h after dark 0.0 0.0 0.0