condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.3763435 0.0 0.752687 4 h after light 0.1995535 0.13624 0.262867 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0