condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.03654835 0.0 0.0730967 8 h after light 0.038506 0.0 0.077012 12 h after light 0.0 0.0 0.0 2 h after dark 0.076772 0.0 0.153544 4 h after dark 0.0 0.0 0.0 8 h after dark 0.04044285 0.0 0.0808857 12 h after dark 0.0 0.0 0.0