condition	mean	min	max
4 h after light	0.9502325	0.946538	0.953927
8 h after light	1.16161	1.0351	1.28812
12 h after light	1.046635	0.83471	1.25856
4 h after dark	1.66199	1.65006	1.67392
8 h after dark	2.39842	1.7916	3.00524
12 h after dark	2.913175	2.17086	3.65549