condition mean min max 2 h after light 0.5390746666666667 0.0 1.13659 6 h after light 0.0 0.0 0.0 10 h after light 0.609509 0.0 1.30637 2 h after dark 0.0 0.0 0.0 6 h after dark 0.17402399999999998 0.0 0.522072 10 h after dark 0.851821 0.0 1.96502