condition mean min max 4 h after light 0.53748 0.0 1.07496 8 h after light 0.53042 0.0 1.06084 12 h after light 0.5080665 0.095724 0.920409 4 h after dark 0.924571 0.470815 1.33003 8 h after dark 1.7716043333333333 0.460003 4.18359 12 h after dark 1.9416446666666667 0.819844 3.93224