condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.42113666666666666 0.0 1.26341 12 h after light 2.3931675 0.0 4.48703 3 h after dark 3.96048 0.0 6.83743 6 h after dark 0.7648799999999999 0.0 2.29464 9 h after dark 1.2162266666666666 0.0 2.38982 12 h after dark 0.52539 0.0 1.05078