condition	mean	min	max
4 h after light	3.168015	2.97329	3.36274
8 h after light	3.6521299999999997	3.60118	3.70308
12 h after light	4.118185	4.01931	4.21706
4 h after dark	6.985225	6.3828	7.58765
8 h after dark	5.61051	5.52105	5.69997
12 h after dark	4.976665	4.70238	5.25095