condition mean min max 4 h after light 4.077305 3.46976 4.68485 8 h after light 4.1593350000000004 4.1053 4.21337 12 h after light 2.972 2.23842 3.70558 4 h after dark 2.59786 1.87311 3.15964 8 h after dark 2.1919166666666667 1.672 3.08709 12 h after dark 4.527136666666666 3.69461 5.72808