condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.19319866666666666 0.0 0.300618 9 h after light 0.0 0.0 0.0 12 h after light 0.296053 0.0 0.888159 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0