condition mean min max 3 h after light 1.3338770833333333 0.397758 2.3722 7 h after light 1.5480334166666667 0.376224 3.25942 11 h after light 1.5741861666666666 0.439628 4.01643 2 h after dark 2.01079975 0.474137 4.18501 6 h after dark 2.1439711666666668 0.174943 4.60084 10 h after dark 1.08969225 0.126753 2.40954