condition mean min max 4 h after light 60.384083000000004 59.008015 61.760151 8 h after light 58.568079 53.677806 63.458352 12 h after light 46.1764915 42.288273 50.06471 4 h after dark 58.554815500000004 50.930384 66.179247 8 h after dark 58.83280549999999 50.207485 67.458126 12 h after dark 42.493058 42.493058 42.493058