condition	mean	min	max
0 h after light	6.11218	5.57032	6.65404
4 h after light	13.674199999999999	13.3871	13.9613
8 h after light	14.250350000000001	12.3913	16.1094
4 h after dark	15.4916	13.8336	17.1496
8 h after dark	11.00385	10.3788	11.6289
12 h after dark	7.599195	6.51647	8.68192