condition	mean	min	max
4 h after light	6.97631	6.29707	7.65555
8 h after light	5.021045	4.98618	5.05591
12 h after light	6.304145	6.06854	6.53975
4 h after dark	6.05229	5.87335	6.23123
8 h after dark	7.565245	7.287	7.84349
12 h after dark	7.44602	7.19435	7.69769