condition mean min max 0 h after light 2.7622549999999997 2.59732 2.92719 4 h after light 3.40925 2.97728 3.84122 8 h after light 5.66974 5.58898 5.7505 4 h after dark 5.144765 4.65538 5.63415 8 h after dark 3.4676299999999998 3.41796 3.5173 12 h after dark 2.24488 2.22016 2.2696