condition mean min max 0 h after light 0.064679 0.0 0.129358 2 h after light 0.0 0.0 0.0 4 h after light 0.0657185 0.0 0.131437 8 h after light 0.1333385 0.133085 0.133592 12 h after light 0.07383 0.0 0.14766 2 h after dark 0.066588 0.0 0.133176 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