condition mean min max 4 h after light 3.287782 3.142332 3.437592 8 h after light 2.3682453333333333 1.538513 2.8409619999999998 12 h after light 3.017794 1.785996 3.8685629999999995 16 h after light 3.1717806666666664 2.746828 3.642893 4 h after dark 2.639410333333333 2.3029319999999998 3.093141 8 h after dark 1.8899313333333332 1.7128430000000001 2.230666