condition mean min max 0 h after light 1.56488 1.54427 1.58549 2 h after light 1.5805 1.55049 1.61051 4 h after light 1.3003 1.25812 1.34248 8 h after light 1.3415985 0.896667 1.78653 12 h after light 2.1138950000000003 1.85779 2.37 2 h after dark 1.498995 1.47683 1.52116 4 h after dark 1.438345 1.28026 1.59643 8 h after dark 1.89106 1.57101 2.21111 12 h after dark 1.75693 1.69243 1.82143