condition	mean	min	max
4 h after light	4.213635	2.84992	5.57735
8 h after light	2.94648	2.75418	3.13878
12 h after light	2.33111	1.6219	3.04032
4 h after dark	3.72963	2.51999	4.93927
8 h after dark	2.63692	2.57653	2.69731
12 h after dark	2.894015	2.30858	3.47945