condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 10 h after light 0.414509 0.0 1.19731 14 h after light 0.11969116666666667 0.0 0.718147 18 h after light 0.0 0.0 0.0 2 h after dark 0.24939166666666668 0.0 1.49635