condition mean min max 2 h after light 0.5843665 0.0 1.33685 6 h after light 0.559372 0.197342 1.15731 10 h after light 1.2740488333333333 0.801009 1.73221 14 h after light 1.5160011666666666 0.618239 2.63144 18 h after light 1.3824005000000001 0.220332 4.65889 2 h after dark 1.0441005 0.309913 2.03957