condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 10 h after light 0.0 0.0 0.0 14 h after light 0.28109833333333334 0.0 1.68659 18 h after light 0.25971833333333333 0.0 1.55831 2 h after dark 0.0 0.0 0.0