condition mean min max 0 h after light 0.2203645 0.0 0.440729 2 h after light 0.1415165 0.0 0.283033 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 2 h after dark 0.1750775 0.0 0.350155 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