condition mean min max 0 h after light 1.809415 1.71407 1.90476 2 h after light 1.177548 0.803166 1.55193 4 h after light 1.87895 1.70728 2.05062 8 h after light 1.752865 1.5928 1.91293 12 h after light 5.761335 5.08081 6.44186 2 h after dark 6.508275 5.8063 7.21025 4 h after dark 5.056615 4.57032 5.54291 8 h after dark 3.625605 2.36327 4.88794 12 h after dark 1.958105 1.70289 2.21332