condition mean min max 0 h after light 1.963485 1.43786 2.48911 4 h after light 3.2201649999999997 2.59071 3.84962 8 h after light 2.078955 1.98998 2.16793 4 h after dark 3.2824549999999997 3.19501 3.3699 8 h after dark 3.543255 3.0031 4.08341 12 h after dark 1.90084 1.10156 2.70012