condition	mean	min	max
4 h after light	2.91111	2.39266	3.42956
8 h after light	4.59685	4.34854	4.84516
12 h after light	3.831945	3.35503	4.30886
4 h after dark	2.76822	2.52416	3.15271
8 h after dark	2.66825	2.23234	2.99739
12 h after dark	2.728206666666667	2.49188	3.04949