condition mean min max 4 h after light 4.771386666666666 4.73771 4.83831 8 h after light 4.811506666666667 4.761430000000001 4.83861 12 h after light 4.820453333333333 4.68492 4.9192800000000005 4 h after dark 4.79725 4.72924 4.8882 8 h after dark 4.924573333333333 4.81693 5.03263 12 h after dark 4.925529999999999 4.8032699999999995 5.13592