condition mean min max 2 h after light 0.5111125 0.0 0.990568 6 h after light 0.2637355 0.0 0.884691 10 h after light 0.5732966666666667 0.251225 1.31907 14 h after light 0.422817 0.0 1.1487 18 h after light 0.5414815 0.0 2.35087 2 h after dark 0.4806568333333333 0.0 1.10401