condition	mean	min	max
4 h after light	5.552885	5.17716	5.92861
8 h after light	3.65857	1.38396	5.93318
12 h after light	3.86317	0.0	7.72634
4 h after dark	16.322366666666667	13.3717	20.1544
8 h after dark	9.10456	5.42066	13.45
12 h after dark	19.01043	5.02569	38.2601