condition	mean	min	max
0 h after light	3.87423	3.52896	4.2195
4 h after light	2.16067	1.73988	2.58146
8 h after light	2.3381	2.08583	2.59037
4 h after dark	3.9785000000000004	3.13048	4.82652
8 h after dark	2.985715	2.46655	3.50488
12 h after dark	3.262185	3.11383	3.41054