condition mean min max 3 h after light 1.65451575 0.356129 3.23891 7 h after light 1.7363645 0.178306 3.24869 11 h after light 1.8473134166666667 0.864167 3.24064 2 h after dark 2.1672651666666667 0.873002 3.77279 6 h after dark 2.0063595833333334 0.21773 3.35449 10 h after dark 1.6913405 0.527305 3.42008