condition mean min max 4 h after light 1.985595 1.76331 2.20788 8 h after light 0.784172 0.564854 1.00349 12 h after light 1.1878515 0.848173 1.52753 4 h after dark 5.863105 4.70901 7.0172 8 h after dark 3.6515050000000002 3.53985 3.76316 12 h after dark 2.9045449999999997 2.23651 3.57258