condition mean min max 2 h after light 0.348735 0.0 2.09241 6 h after light 0.2676866666666667 0.0 1.60612 10 h after light 0.0 0.0 0.0 14 h after light 0.0 0.0 0.0 18 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0