condition mean min max 4 h after light 107.312512 91.607538 123.017486 8 h after light 121.92849000000001 105.149075 138.707905 12 h after light 96.279117 81.764466 110.793768 4 h after dark 69.808754 56.84661 82.770898 8 h after dark 64.40766149999999 59.193529 69.621794 12 h after dark 49.970529 49.970529 49.970529