condition mean min max 0 h after light 2.360225 2.35979 2.36066 2 h after light 1.59673 1.41982 1.77364 4 h after light 1.60043 1.48757 1.71329 8 h after light 2.041005 1.39311 2.6889 12 h after light 2.99087 2.70965 3.27209 2 h after dark 2.5759600000000002 2.54799 2.60393 4 h after dark 3.08162 2.35472 3.80852 8 h after dark 3.622265 3.12934 4.11519 12 h after dark 2.65165 2.42344 2.87986