condition mean min max 2 h after light 1.0205155 0.569303 1.25742 6 h after light 0.5765891666666667 0.0 2.09414 10 h after light 0.6028593333333333 0.0 0.990676 14 h after light 0.7568846666666667 0.238537 1.35881 18 h after light 1.1744135 0.627729 1.86529 2 h after dark 0.7985575 0.276055 1.52059