condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.18330100000000002 0.0 0.549903 12 h after light 0.24094833333333332 0.0 0.722845 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