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 0.08428533333333334 0.0 0.252856 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.09229033333333332 0.0 0.276871 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0