condition mean min max 0 h after light 2.583155 1.48824 3.67807 2 h after light 1.097985 0.0 2.19597 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 2.15178 0.0 4.30356 2 h after dark 2.08616095 0.0622219 4.1101 4 h after dark 0.0 0.0 0.0 8 h after dark 3.46637 3.31668 3.61606 12 h after dark 0.0 0.0 0.0