condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 10 h after light 0.0 0.0 0.0 14 h after light 0.044070500000000006 0.0 0.264423 18 h after light 0.0 0.0 0.0 2 h after dark 0.04998316666666667 0.0 0.299899