condition	mean	min	max
4 h after light	3.83332	3.45692	4.20972
8 h after light	6.41751	6.40563	6.42939
12 h after light	7.554074999999999	7.30371	7.80444
4 h after dark	7.097905	6.49552	7.70029
8 h after dark	6.355475	5.85116	6.85979
12 h after dark	5.260095	5.11073	5.40946