condition	mean	min	max
4 h after light	6.810359999999999	5.47221	8.14851
8 h after light	2.75122	2.67818	2.82426
12 h after light	3.3410249999999997	2.1994	4.48265
4 h after dark	2.7547366666666666	1.27807	4.43252
8 h after dark	3.31836	1.71398	6.12565
12 h after dark	4.88296	3.89191	6.48207