condition	mean	min	max
4 h after light	4.132795	3.92416	4.34143
8 h after light	2.8635149999999996	2.83965	2.88738
12 h after light	3.111805	3.06898	3.15463
4 h after dark	3.2426766666666667	2.32586	4.42717
8 h after dark	4.141413333333333	3.46727	4.49859
12 h after dark	3.5797100000000004	3.18501	4.18221