condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 2.43317 1.74761 3.11873 4 h after light 0.0 0.0 0.0 8 h after light 0.627475 0.0 1.25495 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0