condition mean min max 0 h after light 3.630585 3.17019 4.09098 2 h after light 2.1562 2.0765 2.2359 4 h after light 1.886795 1.83264 1.94095 8 h after light 2.06335 2.02801 2.09869 12 h after light 2.35618 2.18389 2.52847 2 h after dark 2.703785 2.67796 2.72961 4 h after dark 2.490975 2.26569 2.71626 8 h after dark 3.81282 3.68002 3.94562 12 h after dark 3.61091 3.36232 3.8595