condition	mean	min	max
4 h after light	2.7043150000000002	2.66107	2.74756
8 h after light	1.9947000000000001	1.81977	2.16963
12 h after light	2.399035	2.25529	2.54278
4 h after dark	2.71355	2.37572	2.93174
8 h after dark	4.094546666666666	3.50425	4.73518
12 h after dark	1.9493233333333333	1.46435	2.43558