condition mean min max 2 h after light 0.144551 0.0 0.331831 6 h after light 0.18986248333333333 0.0 0.384723 10 h after light 0.06556916666666666 0.0 0.224421 14 h after light 0.2261865 0.0 0.410457 18 h after light 0.14563979999999999 0.0954568 0.214162 2 h after dark 0.4089415 0.098622 0.749284