condition	mean	min	max
4 h after light	3.1060600000000003	2.92502	3.2871
8 h after light	2.99977	2.7756	3.22394
12 h after light	3.83717	3.55616	4.11818
4 h after dark	5.640183333333333	5.1982	6.05054
8 h after dark	4.62343	4.15288	5.22131
12 h after dark	4.254426666666666	3.84007	4.78706