condition	mean	min	max
4 h after light	4.09168	3.20141	4.98195
8 h after light	7.04411	7.03482	7.0534
12 h after light	9.936035	8.15817	11.7139
4 h after dark	12.50835	11.8852	13.1315
8 h after dark	9.02458	8.08177	9.96739
12 h after dark	8.087275	7.75403	8.42052