condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.05400716666666667 0.0 0.324043 10 h after light 0.0 0.0 0.0 14 h after light 0.0 0.0 0.0 18 h after light 0.054811 0.0 0.328866 2 h after dark 0.0 0.0 0.0