condition	mean	min	max
0 h after light	2.6637750000000002	2.43781	2.88974
4 h after light	1.899505	1.5497	2.24931
8 h after light	2.19209	1.85784	2.52634
4 h after dark	2.14544	2.04143	2.24945
8 h after dark	2.648745	2.44659	2.8509
12 h after dark	2.0094700000000003	1.99378	2.02516