condition mean min max 4 h after light 1818.684 1453.886 2251.448 8 h after light 2929.938 1807.515 3615.922 12 h after light 1923.8509999999999 1637.372 2204.0029999999997 16 h after light 4497.430666666666 3721.926 6002.281999999999 4 h after dark 2518.8926666666666 2372.877 2794.022 8 h after dark 1433.554 1250.22 1604.601