condition	mean	min	max
4 h after light	2.192605	1.70293	2.68228
8 h after light	2.99043	2.8	3.18086
12 h after light	3.413325	3.2492	3.57745
4 h after dark	5.24365	4.91402	5.75265
8 h after dark	5.21663	4.78406	5.49122
12 h after dark	4.139356666666667	3.97569	4.44653