condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.021836233333333333 0.0 0.0655087 12 h after dark 0.02205623333333333 0.0 0.0661687