condition	mean	min	max
4 h after light	1.774245	1.73693	1.81156
8 h after light	1.586845	1.51719	1.6565
12 h after light	1.7179	1.60297	1.83283
4 h after dark	1.835395	1.79563	1.87516
8 h after dark	2.1132150000000003	1.90625	2.32018
12 h after dark	2.145485	1.98023	2.31074