condition	mean	min	max
4 h after light	1.847615	1.56914	2.12609
8 h after light	1.690465	1.57296	1.80797
12 h after light	3.157625	3.15568	3.15957
4 h after dark	3.4769699999999997	3.29912	3.65482
8 h after dark	3.387445	3.32887	3.44602
12 h after dark	2.67851	2.6616	2.69542