condition mean min max 0 h after light 0.0945335 0.0 0.189067 2 h after light 0.0 0.0 0.0 4 h after light 0.0430387 0.0 0.0860774 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.147438 0.0 0.294876 4 h after dark 0.0844 0.0 0.1688 8 h after dark 0.04762475 0.0 0.0952495 12 h after dark 0.0 0.0 0.0