condition mean min max 0 h after light 2.636645 2.42518 2.84811 2 h after light 1.1466905 0.993881 1.2995 4 h after light 1.153355 1.06407 1.24264 8 h after light 2.129495 1.59381 2.66518 12 h after light 2.40071 2.15895 2.64247 2 h after dark 1.686525 1.64559 1.72746 4 h after dark 2.453455 2.3641 2.54281 8 h after dark 4.175925 3.82624 4.52561 12 h after dark 3.77715 3.70662 3.84768