condition	mean	min	max
4 h after light	9.057	9.00392	9.11008
8 h after light	5.658735	5.21508	6.10239
12 h after light	5.41065	5.17836	5.64294
4 h after dark	5.747395	5.56994	5.92485
8 h after dark	6.035880000000001	6.00919	6.06257
12 h after dark	6.4625	6.12163	6.80337