condition	mean	min	max
4 h after light	7.191520000000001	6.57604	7.807
8 h after light	9.05185	8.67458	9.42912
12 h after light	11.723949999999999	11.3393	12.1086
4 h after dark	14.721766666666666	13.8402	15.4781
8 h after dark	12.810933333333333	11.5009	13.8753
12 h after dark	9.750946666666668	8.78001	11.0069