condition mean min max 3 h after light 22.503291666666666 15.844 30.2752 7 h after light 38.679024999999996 26.875 54.5235 11 h after light 56.949200000000005 36.1164 70.8262 2 h after dark 36.649816666666666 27.691 44.547 6 h after dark 27.731416666666668 22.1581 34.6521 10 h after dark 22.650475 18.5193 32.7086