condition mean min max 4 h after light 3.3387900000000004 2.63486 4.04272 8 h after light 3.49645 3.37735 3.61555 12 h after light 3.45472 3.3232 3.58624 4 h after dark 3.591483333333333 3.44567 3.81133 8 h after dark 2.3797266666666665 2.03728 2.60844 12 h after dark 3.946946666666667 3.01589 4.90499