condition	mean	min	max
4 h after light	1.994725	1.79401	2.19544
8 h after light	3.864865	2.82507	4.90466
12 h after light	3.461925	3.19472	3.72913
4 h after dark	3.03672	2.94602	3.12742
8 h after dark	1.83971	1.6644	2.01502
12 h after dark	3.274145	2.69093	3.85736