condition	mean	min	max
4 h after light	4.7432	4.07604	5.41036
8 h after light	8.371955	6.92169	9.82222
12 h after light	11.67935	11.6601	11.6986
4 h after dark	12.62885	12.2182	13.0395
8 h after dark	8.265905	7.97716	8.55465
12 h after dark	6.553825	6.41271	6.69494