condition mean min max 4 h after light 0.18044315 0.0882343 0.272652 8 h after light 0.1798825147 2.94e-08 0.359765 12 h after light 0.0 0.0 0.0 4 h after dark 1.0066666666666665e-07 0.0 3.02e-07 8 h after dark 1.055944 0.0 2.25769 12 h after dark 0.3196594 7.82e-05 0.946485