condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.03649375 0.0 0.0729875 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.04450266666666666 0.0 0.133508 12 h after dark 0.0 0.0 0.0