condition	mean	min	max
4 h after light	2.635425	2.4912	2.77965
8 h after light	1.29793	1.07026	1.5256
12 h after light	1.178732	0.709804	1.64766
4 h after dark	0.9744265	0.708043	1.24081
8 h after dark	2.012985	1.77194	2.25403
12 h after dark	2.58134	2.25491	2.90777