condition mean min max 0 h after light 27.773400000000002 27.0352 28.5116 4 h after light 6.839815 5.21684 8.46279 8 h after light 7.979369999999999 7.44911 8.50963 4 h after dark 11.267205 8.72581 13.8086 8 h after dark 18.50375 17.864 19.1435 12 h after dark 19.75265 12.2858 27.2195