condition mean min max 4 h after light 1.197965 1.04043 1.3555 8 h after light 1.381375 1.31756 1.44519 12 h after light 1.5169700000000002 1.3159 1.71804 4 h after dark 3.02107 2.59782 3.5776 8 h after dark 0.876592 0.861164 0.889647 12 h after dark 2.061523333333333 1.71356 2.50418