condition mean min max 2 h after light 1.1410676666666666 0.387089 2.02926 6 h after light 0.8172311666666666 0.0 1.56307 10 h after light 0.87446 0.0 3.10036 14 h after light 1.2718536666666667 0.303746 2.15149 18 h after light 1.285926 0.349033 2.2516 2 h after dark 0.265446 0.0 0.740509