condition mean min max 4 h after light 1.537275 1.23556 1.83899 8 h after light 1.19099 1.00553 1.37645 12 h after light 1.981995 1.82444 2.13955 4 h after dark 3.0276750000000003 2.93868 3.11667 8 h after dark 3.03098 2.74449 3.31747 12 h after dark 1.858855 1.05442 2.66329