condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 4 h after dark 0.3444865 0.0 0.688973 8 h after dark 0.0 0.0 0.0 12 h after dark 0.143093 0.0 0.286186