condition	mean	min	max
4 h after light	7.170803333333333	3.17141	13.806
8 h after light	5.31231	1.2998	7.3728
12 h after light	7.41223	4.05754	13.7929
4 h after dark	22.9232	10.4934	37.3283
8 h after dark	17.8552	10.9218	22.768
12 h after dark	11.8887	8.2845	16.2203