condition	mean	min	max
4 h after light	5.54291	5.50371	5.59035
8 h after light	5.4924333333333335	5.3274300000000006	5.76532
12 h after light	5.683126666666666	5.47466	5.83326
4 h after dark	5.347989999999999	5.215269999999999	5.55893
8 h after dark	5.42774	5.36189	5.49787
12 h after dark	5.30608	5.12022	5.65071