condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.1366895 0.0 0.511782 10 h after light 0.0 0.0 0.0 14 h after light 0.15984866666666667 0.0 0.332998 18 h after light 0.08689383333333334 0.0 0.273511 2 h after dark 0.0 0.0 0.0