condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.043611000000000004 0.0 0.130833 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.064146 0.0 0.192438 12 h after dark 0.0 0.0 0.0