condition mean min max 4 h after light 0.435282 0.340163 0.530401 8 h after light 0.3024345 0.26365 0.341219 12 h after light 0.969188 0.705246 1.23313 4 h after dark 3.683825 3.5304 3.83725 8 h after dark 2.7280499999999996 2.42209 3.03401 12 h after dark 1.330915 1.23029 1.43154