condition mean min max 3 h after light 1.9966165 0.999208 3.13436 7 h after light 2.233388 0.860276 3.31498 11 h after light 2.995289166666667 1.79007 4.56186 2 h after dark 2.5474308333333333 1.24416 3.67128 6 h after dark 2.170434166666667 1.12912 3.08062 10 h after dark 2.3178 1.32952 3.49015