condition mean min max 0 h after light 1.4643650000000001 0.79978 2.12895 4 h after light 1.604985 1.31189 1.89808 8 h after light 2.4075949999999997 2.10627 2.70892 4 h after dark 2.2277750000000003 1.30681 3.14874 8 h after dark 1.578085 1.32151 1.83466 12 h after dark 1.1785565 0.797283 1.55983