condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.02760315 0.0 0.0552063 8 h after light 0.08702415 0.0581633 0.115885 12 h after light 0.0604266 0.056565 0.0642882 2 h after dark 0.02899105 0.0 0.0579821 4 h after dark 0.0270653 0.0 0.0541306 8 h after dark 0.0927624 0.0633468 0.122178 12 h after dark 0.0 0.0 0.0