condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.021861533333333336 0.0 0.0655846 9 h after light 0.0 0.0 0.0 12 h after light 0.028422533333333333 0.0 0.0497559 3 h after dark 0.011717833333333332 0.0 0.0351535 6 h after dark 0.008966433333333334 0.0 0.0268993 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0