condition mean min max 0 h after light 22.8899 22.6049 23.1749 4 h after light 21.9538 19.6654 24.2422 8 h after light 40.5782 36.7503 44.4061 4 h after dark 54.6183 45.62 63.6166 8 h after dark 35.1044 34.8917 35.3171 12 h after dark 27.5804 24.5548 30.606