condition mean min max 2 h after light 1.5434256666666668 0.0 6.2507 6 h after light 2.521496 0.0 8.77265 10 h after light 2.5391898333333334 0.0 11.0981 14 h after light 2.0897345 0.0 8.7881 18 h after light 1.8187133333333332 0.0 6.16498 2 h after dark 1.7913416666666666 0.0 8.49488