condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.081121 0.0 0.243363 12 h after light 0.13720733333333332 0.0 0.411622 4 h after dark 0.10191233333333333 0.0 0.305737 8 h after dark 0.0 0.0 0.0 12 h after dark 0.18820166666666668 0.0 0.564605