condition mean min max 0 h after light 0.0384133 0.0 0.0768266 2 h after light 0.0400611 0.0 0.0801222 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.035838 0.0 0.071676 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