condition mean min max 3 h after light 0.09588 0.0 0.17577 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.036017825 0.0 0.0738279 3 h after dark 0.030165333333333332 0.0 0.090496 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0348913 0.0 0.0697826