condition	mean	min	max
4 h after light	1.72045	1.52043	1.92047
8 h after light	1.2643	1.23776	1.29084
12 h after light	1.21441	1.00284	1.42598
4 h after dark	2.19073	1.94096	2.43711
8 h after dark	1.6924166666666667	1.32241	2.07541
12 h after dark	2.1999066666666667	1.74505	2.60872