condition mean min max 3 h after light 1.6003321666666668 0.453853 3.40207 7 h after light 0.5248670166666667 0.0492332 1.41579 11 h after light 0.59592075 0.265997 0.984088 2 h after dark 2.5306985833333333 0.909283 4.45451 6 h after dark 1.9165358333333333 0.431585 5.27086 10 h after dark 3.047955583333333 0.409618 8.05134