condition	mean	min	max
4 h after light	4.530445	4.49018	4.57071
8 h after light	3.583115	3.1689	3.99733
12 h after light	5.46443	5.2878	5.64106
4 h after dark	7.75916	6.96308	8.55524
8 h after dark	5.91761	5.72463	6.11059
12 h after dark	6.129135	5.91883	6.33944