condition	mean	min	max
4 h after light	1.407925	1.19426	1.62159
8 h after light	1.862885	1.84152	1.88425
12 h after light	3.525405	3.42079	3.63002
4 h after dark	4.266605	3.69494	4.83827
8 h after dark	3.159365	3.07841	3.24032
12 h after dark	2.35855	2.30328	2.41382