condition mean min max 2 h after light 0.06750616666666666 0.0 0.405037 6 h after light 0.0 0.0 0.0 10 h after light 0.0 0.0 0.0 14 h after light 0.0 0.0 0.0 18 h after light 0.065755 0.0 0.39453 2 h after dark 0.0 0.0 0.0