condition	mean	min	max
4 h after light	15.148674	15.10044	15.196908
8 h after light	15.0912795	13.732968	16.449591
12 h after light	14.667545	14.008223	15.326867
4 h after dark	14.723693	14.712702	14.734684
8 h after dark	16.2677605	15.465933	17.069588
12 h after dark	17.860977	17.860977	17.860977