condition mean min max 2 h after light 0.6440575 0.240344 1.25412 6 h after light 1.8291681666666668 0.388109 5.70035 10 h after light 1.1542928333333333 0.478951 1.83603 14 h after light 1.0047331666666666 0.270657 1.56078 18 h after light 0.8447884999999999 0.289375 1.62872 2 h after dark 0.2697251666666667 0.0 0.613939