condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.031749 0.0 0.063498 4 h after light 0.0310661 0.0 0.0621322 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.065256 0.0 0.130512 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0338302 0.0 0.0676604